CN113107345A - Ladder with adjustable telescopic height - Google Patents
Ladder with adjustable telescopic height Download PDFInfo
- Publication number
- CN113107345A CN113107345A CN202110397990.7A CN202110397990A CN113107345A CN 113107345 A CN113107345 A CN 113107345A CN 202110397990 A CN202110397990 A CN 202110397990A CN 113107345 A CN113107345 A CN 113107345A
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- Prior art keywords
- block
- elastic
- ladder
- side beam
- arc
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000001681 protective effect Effects 0.000 claims description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 230000008602 contraction Effects 0.000 claims description 21
- 238000001125 extrusion Methods 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 16
- 239000003381 stabilizer Substances 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 10
- 230000009471 action Effects 0.000 description 16
- 239000012634 fragment Substances 0.000 description 5
- 230000005484 gravity Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
- E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
- E06C1/12—Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/02—Extending means
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/06—Securing devices or hooks for parts of extensible ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
- E06C7/46—Non-skid equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses a ladder with adjustable telescopic height, which comprises a first side beam, a first pedal plate, a second side beam, a second pedal plate and a support beam, wherein the first pedal plate is arranged on the outer surface of the first side beam, the second side beam is arranged in the first side beam, the second pedal plate is arranged on the outer surface of the second side beam, the support beam is arranged on the back surface of the first side beam, the bottom of the first side beam is fixedly connected with a base, the second side beam comprises a sliding groove, an inner groove, a clamping head, a telescopic spring and a clamping groove, the sliding groove is arranged on the left side and the right side of the second side beam, the inner groove is arranged in the second side beam, the clamping head is arranged in the inner groove, one end of the telescopic spring is fixedly connected with the inner wall of the inner groove, the invention adopts the supporting leg that the ground is uneven, the shaking degree is reduced, and the potential safety hazard is improved.
Description
Technical Field
The invention relates to the technical field of ladders, in particular to a ladder with adjustable telescopic height.
Background
The ladder is mainly used for assisting people to ascend a height, and extensive use is in the occasion that needs ascended a height, people are in the life of working, in order to conveniently take the material of placing at the eminence or when repairing the equipment of installing at the eminence, the ladder can be used to all, to general traditional ladder, only a fixed length, can not adjust, and current ladder is when some circumstances such as ground height unevenness, often very dangerous, and staff also hardly operates alone, bring very big inconvenience for the user, because ground unevenness, the staff can produce when using and rock phenomenons such as, there is the potential safety hazard.
Disclosure of Invention
The invention aims to provide a ladder with adjustable telescopic height, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a ladder with adjustable telescopic height comprises a first side beam, a first pedal, a second side beam, a second pedal and a support beam, wherein the first pedal is installed on the outer surface of the first side beam;
the side beam II comprises a sliding groove, an inner groove, a clamping head, an expansion spring and a clamping groove, the sliding groove is formed in the left side and the right side of the side beam II, the inner groove is formed in the side beam II, the clamping head is arranged in the inner groove, one end of the expansion spring is fixedly connected with the inner wall of the inner groove, the other end of the expansion spring is fixedly connected with the clamping head, and the clamping groove is formed in the left side and the right side of the side beam I.
Preferably, the base includes activity groove, stabilizer blade one, reset spring and stabilizer blade two, the activity groove sets up at base inner wall top, stabilizer blade one sets up in the activity groove below, reset spring top and activity inslot wall top fixed connection, reset spring bottom and stabilizer blade one top fixed connection, the stabilizer blade two is installed at base inner wall top.
Preferably, the stabilizer blade two includes protective sheath, elasticity slide bar, gyro wheel, elastic block, flexure strip, shrink piece and kicking block, the protective sheath cup joints in two outsides of stabilizer blade, elasticity slide bar quantity is two and sets up for the symmetry, two the two inner wall tops of stabilizer blade are all installed at elasticity slide bar top, the gyro wheel sets up in two elasticity slide bar bottoms, the flexure strip sets up in two insides of stabilizer blade, the flexure strip is installed in the flexure block left and right sides, the setting of shrink piece is in the flexure block below, the kicking block sets up in shrink piece below.
Preferably, the shrink piece includes arc, arc shell fragment, elastic wire, flexible cover and magnet, the arc is installed at shrink piece top, arc shell fragment top and elastic ball fixed connection, arc shell fragment bottom and shrink piece top fixed connection, elastic wire one end and arc shell fragment fixed connection, the elastic wire other end and arc fixed connection, flexible cover sets up inside the shrink piece, magnet quantity is two and vertical setting, is located the top magnet is inlayed at shrink piece inner wall top, is located the below magnet is inlayed at the kicking block top.
Preferably, the top block comprises an air bag and a pressing mechanism, the air bag is arranged inside the top block, and the pressing mechanism is arranged at the bottom of the air bag.
Preferably, the pressing mechanism comprises a rubber pad, a pressing block, a top seat, an extrusion piece and an elastic iron wire, the rubber pad is installed on the outer surface of the air bag, the pressing block is installed at the bottom of the rubber pad, the top seat is installed at the top of the inner wall of the pressing block, the top of the extrusion piece is fixedly connected with the bottom of the top seat, the bottom of the extrusion piece is fixedly connected with the bottom of the inner wall of the pressing block, and the elastic iron wire is installed on the left side and the right side of the top seat.
Compared with the prior art, the invention has the beneficial effects that:
1. the support legs are arranged, so that the ground is uneven, the pressing mechanism and the shrinkage block which are arranged in the support legs can be stably placed on the uneven ground, the safety in the use process is improved, the shaking degree is reduced, and the potential safety hazard is improved.
2. According to the invention, the contraction block is arranged, the elastic block can press the contraction block downwards under the action of the self gravity of the ladder, the bottom of the top block is contacted with the ground, so that an acting force is generated upwards at the bottom, the top block can also upwards extrude the contraction block, the telescopic sleeve arranged in the contraction block can contract, the arc-shaped plate and the arc-shaped elastic sheet can also be extruded and deformed when the arc-shaped plate and the arc-shaped elastic sheet are subjected to extrusion force, the elastic wire extends towards two sides, the extrusion force can be buffered and absorbed for one time, and the up-and-down extrusion force can be buffered and absorbed again under the action of the repulsion of the same poles of the two magnets, so that the damage caused.
3. According to the invention, the pressing mechanism is arranged, so that the bottom of the pressing block is contacted with the inner wall of the protective sleeve through the received force, the pressing block extends towards two sides, the extrusion sheet is pressed to deform under the stress, the elastic iron wire extends along with the deformation of the pressing block, the top seat is used for limiting the pressing block, the damage caused by excessive extrusion is avoided, the rubber pad is used for protecting the air bag from being damaged, finally, the contact surface of the bottom of the protective sleeve and the ground is wider under the action of the air bag, and the air bag can deform at will, so that the protective sleeve can be contacted with the concave-convex surface of the ground at will and the contact surface is wider on the uneven ground, and the ground can be contacted with the protective sleeve more tightly under the action of the pressing mechanism.
4. According to the invention, the elastic slide rod is arranged, so that the protective sleeve presses the elastic slide rod through the received extrusion force, the elastic slide rod inwards extrudes the elastic sheet and presses the elastic block, the roller slides on the top of the ejector block, and the side surface of the protective sleeve can be tightly attached to the raised part of the ground under the action of the reverse force of the elastic block and the elastic sheet.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention;
FIG. 4 is a right side sectional view of the base of the present invention;
FIG. 5 is a schematic sectional view of the front side of the stand bar of the present invention;
FIG. 6 is an enlarged view of B of FIG. 5 according to the present invention;
FIG. 7 is an enlarged view of R of FIG. 5 according to the present invention;
in the figure: 1. the pedal comprises a first side beam, a first 11 base, a 111 movable groove, a first 112 support leg, a second 113 return spring, a second 114 support leg, a a1. protective sleeve, a2 elastic sliding rod, a a3. roller, a a4. elastic block, a a5. elastic sheet, a a6. contraction block, an a61 arc-shaped plate, an a62 arc-shaped elastic sheet, an a63 elastic wire, an a64 expansion sleeve, an a65 magnet, a a7. top block, an a71 air bag, an a72 pressing mechanism, a w1. rubber pad, a w2. pressing block, a w3. top seat, an w4. extrusion sheet, a w5. elastic iron wire, a first 2 pedal, a second 3 side beam, a 31 sliding groove, a 32 inner groove, a 33 chuck, a 34 expansion spring, a 35 clamping groove, a second 4 pedal, and a5 support beam.
Detailed Description
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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Example 1:
please refer to fig. 1-4:
the invention provides a technical scheme that: a ladder with adjustable telescopic height comprises a first side beam 1, a first pedal 2, a second side beam 3, a second pedal 4 and a support beam 5, wherein the first pedal 2 is arranged on the outer surface of the first side beam 1, the second side beam 3 is arranged in the first side beam 1, the second pedal 4 is arranged on the outer surface of the second side beam 3, the support beam 5 is arranged on the back surface of the first side beam 1, a base 11 is fixedly connected to the bottom of the first side beam 1, the second side beam 3 comprises a sliding groove 31, an inner groove 32, a clamping head 33, a telescopic spring 34 and a clamping groove 35, the sliding groove 31 is arranged on the left side and the right side of the second side beam 3, the inner groove 32 is arranged in the second side beam 3, the clamping head 33 is arranged in the inner groove 32, one end of the telescopic spring 34 is.
The base 11 comprises a movable groove 111, a first support leg 112, a return spring 113 and a second support leg 114, the movable groove 111 is arranged at the top of the inner wall of the base 11, the first support leg 112 is arranged below the movable groove 111, the top of the return spring 113 is fixedly connected with the top of the inner wall of the movable groove 111, the bottom of the return spring 113 is fixedly connected with the top of the first support leg 112, and the second support leg 114 is arranged at the top of the inner wall of the base 11.
The second leg 114 comprises a protective sleeve a1, a resilient slide bar a2, a roller a3, a resilient block a4, a resilient tab a5, a retraction block a6 and a top block a7, the protective sleeve a1 is sleeved outside the second leg 114, the resilient slide bars a2 are two in number and symmetrically arranged, the tops of the two resilient slide bars a2 are both installed on the top of the inner wall of the second leg 114, the roller a2 is arranged at the bottom of the two resilient slide bars a2, the resilient block a2 is arranged inside the second leg 114, the resilient tabs a2 are installed at the left and right sides of the resilient block a2, the retraction block a2 is arranged below the resilient block a2, the top block a2 is arranged below the retraction block a2, a fixing rod is arranged at the top of the resilient block a2, the roller a2 is in contact with the top of the top block a2, the resilient slide bar 2 is arranged by the resilient slide bars a2 pressed by the resilient slide bars a2, so that the resilient slide bars are pressed by the resilient slide bars a2, the resilient slide bars 2 are pressed inwardly to press, can make protective sheath a1 side can hug closely ground convex part again under the effect of the reverse force through elasticity piece a4 and flexure strip a5, because the unevenness on ground is through setting up supporting legs two 114, can place steadily on unevenness's subaerial through pressing means a72 and the shrink piece a6 that inside set up, improve the security in the use, reduced the degree of rocking, improved the potential safety hazard.
Example 2:
please refer to fig. 5-7:
the contraction block a6 comprises an arc-shaped plate a61, an arc-shaped elastic sheet a62, an elastic wire a63, a telescopic sleeve a64 and a magnet a65, wherein an arc-shaped plate a61 is installed at the top of the contraction block a6, the top of the arc-shaped elastic sheet a62 is fixedly connected with an elastic ball a4, the bottom of the arc-shaped elastic sheet a62 is fixedly connected with the top of the contraction block a6, one end of the elastic wire a63 is fixedly connected with the arc-shaped elastic sheet a63, the other end of the elastic wire a63 is fixedly connected with the arc-shaped plate a63, the telescopic sleeve a63 is arranged inside the contraction block a63, the number of the magnets a63 is two, the magnets a63 are vertically arranged, the upper magnet a63 is embedded at the top of the inner wall of the contraction block a63, the lower magnet a63 is embedded at the top of the top block a63, the contraction block a63 is arranged by the action of the ladder, the action of the elastic block a63, and the contraction block a63 is pressed downwards, the contraction block a63 is, the inside flexible cover a64 that sets up of shrink piece a6 can contract, and arc a61 and arc shell fragment a62 also can be by extrusion deformation when receiving the extrusion force, and then elastic filament a63 extends to both sides, can once cushion and absorb the extrusion force, and the rethread two magnet a65 like poles repel each other under the effect can cushion the absorption again to extruded power from top to bottom, avoid the extrusion excessively to cause the damage.
The top block a7 comprises an air bag a71 and a pressing mechanism a72, the air bag a71 is arranged inside the top block a7, the pressing mechanism a72 is arranged at the bottom of the air bag a71, the air bag a71 is arranged to enable the protective sleeve a1 to be in contact with the concave-convex surface of the ground at will, the contact surface is wider, and the pressing mechanism a72 enables the protective sleeve a1 to be in close contact with the ground.
Pressing mechanism a72 comprises a rubber pad w1, a pressing block w2, a top seat w3, a pressing sheet w4 and an elastic iron wire w5, wherein the rubber pad w1 is arranged on the outer surface of the air bag a1, the pressing block w1 is arranged at the bottom of the rubber pad w1, the top seat w1 is arranged at the top of the inner wall of the pressing block w1, the top of the pressing sheet w1 is fixedly connected with the bottom of the top seat w1, the bottom of the pressing sheet w1 is fixedly connected with the bottom of the inner wall of the pressing block w1, the elastic iron wires w1 are arranged at the left side and the right side of the top seat w1, the other end of the elastic iron wire w1 is fixedly connected with the inner wall of the pressing block w1, the bottom of the pressing block w1 is contacted with the inner wall of the pressing protective sleeve a1 through the applied force, the pressing block w1 extends towards the two sides, the pressing sheet w1 is pressed and deformed, the elastic iron wire w1 is arranged to prevent the pressing block w1 from being damaged by the air bag w1, and the pressing block, finally, under the action of the air bag a71, the contact surface between the bottom of the protective sleeve a1 and the ground is wider, and the air bag a71 can deform at will, so that the protective sleeve a1 can be in contact with the concave-convex surface of the ground at will on the uneven ground, the contact surface is wider, and the ground can be in closer contact with the protective sleeve a1 under the action of the pressing mechanism a72.
The working principle is as follows: when the ladder with the adjustable telescopic height is used, after the ladder is adjusted to the proper height by pulling the side beam II 3, the chuck 33 can eject the chuck 33 into the clamping groove 35 through the action of the telescopic spring 34 so as to fix the ladder, when the height of the ladder is required to be reduced, the side beam II 3 can be contracted through pressing the chuck 33 by a worker, then the height is adjusted, because the outdoor ground is uneven, when the ladder is placed outdoors for use, the base 11 can press the first support leg 112 through the self weight of the ladder, so that the first support leg 112 can move upwards through the action of the return spring 133, the top of the first support leg 112 is contacted with the inner wall of the base 11, the four corners at the bottom of the ladder are stable, because the uneven ground is, the convex place can press the second support leg 114, and then the elastic slide bar a2 is pressed through the protective sleeve a1, so that the elastic slide bar a2 can press the elastic piece a5 inwards and press the elastic block a4, the roller a3 slides on the top of the top block a7, and the side of the protective sleeve a1 can be tightly attached to the raised part of the ground under the reverse force action of the elastic block a4 and the elastic sheet a5, so that the elastic block a4 can press the contracting block a6 downwards under the action of the self gravity of the ladder by the top block a7 arranged at the bottom of the second leg 114, because the bottom of the top block a7 is in contact with the ground, so that the bottom also generates an acting force upwards, the top block a7 also presses the contracting block a6 upwards, the telescopic sleeve a64 arranged inside the contracting block a6 contracts, the arc-shaped plate a61 and the arc-shaped elastic sheet a62 are pressed and deformed when the pressing force is applied, the elastic wire a63 extends towards both sides to buffer and absorb the pressing force once, the pressing force can be buffered and absorbed again under the action of the like polarity repulsion of the two magnets a65, so as to avoid damage caused by excessive pressing, and the pressing mechanism 72 arranged at the bottom of the top block a7, the bottom of a pressing block w2 is contacted with the inner wall of a protective sleeve a1 through the received force, the pressing block w2 extends towards two sides, a pressing sheet w4 is pressed to deform under the stress, an elastic iron wire w5 extends along with the deformation of the pressing block w2, a top seat w3 is used for limiting the pressing block w2, the damage caused by excessive pressing is avoided, finally, the contact surface between the bottom of the protective sleeve a1 and the ground is wider under the action of an air bag a71, the air bag a71 can deform at will, so that the protective sleeve a1 can be contacted with the concave-convex surface of the ground at will on the concave-convex ground, the contact surface is wider, the ground can be contacted with the protective sleeve a1 more tightly under the action of a pressing mechanism a72, finally, the ladder can be stably used on the concave-convex ground through a supporting leg two 114, and the potential safety hazard caused by the shaking is avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an adjustable telescopic height's ladder, includes curb girder one (1), footboard one (2), curb girder two (3), footboard two (4) and a supporting beam (5), its characterized in that: the first pedal (2) is arranged on the outer surface of the first side beam (1), the second side beam (3) is arranged inside the first side beam (1), the second pedal (4) is arranged on the outer surface of the second side beam (3), the supporting beam (5) is arranged on the back surface of the first side beam (1), and the bottom of the first side beam (1) is fixedly connected with a base (11);
side roof beam two (3) include spout (31), inside groove (32), dop (33), expanding spring (34) and draw-in groove (35), spout (31) set up in side roof beam two (3) left and right sides, inside groove (32) set up inside side roof beam two (3), dop (33) set up inside groove (32), expanding spring (34) one end and inside groove (32) inner wall fixed connection, expanding spring (34) other end and dop (33) fixed connection, draw-in groove (35) set up in side roof beam one (1) left and right sides.
2. A ladder with adjustable telescopic height, according to claim 1, wherein: base (11) are including activity groove (111), stabilizer blade (112), reset spring (113) and stabilizer blade two (114), activity groove (111) set up at base (11) inner wall top, stabilizer blade (112) set up in activity groove (111) below, reset spring (113) top and activity groove (111) inner wall top fixed connection, reset spring (113) bottom and stabilizer blade (112) top fixed connection, install at base (11) inner wall top stabilizer blade two (114).
3. A ladder with adjustable telescopic height, according to claim 2, wherein: the second support leg (114) comprises a protective sleeve (a1), two elastic sliding rods (a2), a roller (a3), an elastic block (a4), two elastic sliding rods (a2) which are symmetrically arranged, a contraction block (a6) and a top block (a7), the protective sleeve (a1) is sleeved outside the second support leg (114), the tops of the two elastic sliding rods (a2) are mounted on the tops of the inner walls of the second support leg (114), the roller (a3) is arranged at the bottoms of the two elastic sliding rods (a2), the elastic block (a4) is arranged inside the second support leg (114), the elastic strips (a5) are mounted on the left side and the right side of the elastic block (a4), the contraction block (a6) is arranged below the elastic block (a4), and the top block (a7) is arranged below the contraction block (a 6).
4. A ladder as claimed in claim 3, wherein: the contraction block (a6) comprises an arc-shaped plate (a61), an arc-shaped elastic sheet (a62), an elastic wire (a63), a telescopic sleeve (a64) and a magnet (a65), wherein the arc-shaped plate (a61) is installed at the top of the contraction block (a6), the top of the arc-shaped elastic sheet (a62) is fixedly connected with an elastic ball (a4), the bottom of the arc-shaped elastic sheet (a62) is fixedly connected with the top of the contraction block (a6), one end of the elastic wire (a63) is fixedly connected with the arc-shaped elastic sheet (a62), the other end of the elastic wire (a63) is fixedly connected with the arc-shaped plate (a61), the telescopic sleeve (a64) is arranged inside the contraction block (a6), the magnets (a65) are vertically arranged, the magnet (a65) located above is embedded at the top of the inner wall of the contraction block (a6), and the magnet (a65) located below the top of the top block (7).
5. A ladder as claimed in claim 3, wherein: the top block (a7) comprises an air bag (a71) and a pressing mechanism (a72), wherein the air bag (a71) is arranged inside the top block (a7), and the pressing mechanism (a72) is arranged at the bottom of the air bag (a 71).
6. A ladder as claimed in claim 5, wherein: pressing means (a72) includes rubber pad (w1), presses down piece (w2), footstock (w3), extrusion piece (w4) and elasticity iron wire (w5), install at gasbag (a71) surface rubber pad (w1), press down piece (w2) and install in rubber pad (w1) bottom, footstock (w3) is installed and is being pressed down piece (w2) inner wall top, extrusion piece (w4) top and footstock (w3) bottom fixed connection, extrusion piece (w4) bottom and the bottom fixed connection of pressing down piece (w2) inner wall, elasticity iron wire (w5) are installed in the left and right sides of footstock (w 3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110397990.7A CN113107345A (en) | 2021-04-14 | 2021-04-14 | Ladder with adjustable telescopic height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110397990.7A CN113107345A (en) | 2021-04-14 | 2021-04-14 | Ladder with adjustable telescopic height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113107345A true CN113107345A (en) | 2021-07-13 |
Family
ID=76716509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110397990.7A Pending CN113107345A (en) | 2021-04-14 | 2021-04-14 | Ladder with adjustable telescopic height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113107345A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114005641A (en) * | 2021-11-04 | 2022-02-01 | 无锡普天铁心股份有限公司 | Flexible supporting system for transformer core |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798482A (en) * | 2018-06-14 | 2018-11-13 | 芜湖博康机电有限公司 | A kind of novel extension ladder |
| CN109184550A (en) * | 2018-09-13 | 2019-01-11 | 滁州金诚金属制品有限公司 | A kind of anti-skidding pedal lift |
| CN211777128U (en) * | 2019-10-24 | 2020-10-27 | 漳州市哲蕴机械制造有限公司 | Electrician who anti-skidding performance is good uses antiskid ladder |
| CN212898275U (en) * | 2020-05-22 | 2021-04-06 | 林汉然 | Cat ladder for preventing and treating brontispa longissima bag hanging |
-
2021
- 2021-04-14 CN CN202110397990.7A patent/CN113107345A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798482A (en) * | 2018-06-14 | 2018-11-13 | 芜湖博康机电有限公司 | A kind of novel extension ladder |
| CN109184550A (en) * | 2018-09-13 | 2019-01-11 | 滁州金诚金属制品有限公司 | A kind of anti-skidding pedal lift |
| CN211777128U (en) * | 2019-10-24 | 2020-10-27 | 漳州市哲蕴机械制造有限公司 | Electrician who anti-skidding performance is good uses antiskid ladder |
| CN212898275U (en) * | 2020-05-22 | 2021-04-06 | 林汉然 | Cat ladder for preventing and treating brontispa longissima bag hanging |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114005641A (en) * | 2021-11-04 | 2022-02-01 | 无锡普天铁心股份有限公司 | Flexible supporting system for transformer core |
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Application publication date: 20210713 |