CN109630005B - Liftable just convenient ladder that removes - Google Patents
Liftable just convenient ladder that removes Download PDFInfo
- Publication number
- CN109630005B CN109630005B CN201910014906.1A CN201910014906A CN109630005B CN 109630005 B CN109630005 B CN 109630005B CN 201910014906 A CN201910014906 A CN 201910014906A CN 109630005 B CN109630005 B CN 109630005B
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- China
- Prior art keywords
- ladder
- universal wheel
- spring
- pedal
- manual telescopic
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- 229910000639 Spring steel Inorganic materials 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000004033 plastic Substances 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 238000004806 packaging method and process Methods 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
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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
- E06C1/397—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 characterised by having wheels, rollers, or runners
-
- 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
- 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
-
- 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
- E06C7/16—Platforms on, or for use on, ladders, e.g. liftable or lowerable platforms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention relates to a liftable and conveniently movable ladder, and belongs to the field of ladders used in daily life. The invention comprises a ladder body, a lifting device and a moving device, wherein the ladder body comprises a manual telescopic rod, a pedal, a seat plate, a fixed support plate, a rotating shaft I and a rotary joint; the lifting device comprises a telescopic supporting ladder, a supporting ladder telescopic controller, a movable long pedal and a fixed long pedal, and the moving device comprises a universal wheel, a universal wheel locking device and a universal wheel locking controller. The pneumatic push rod device is arranged at the upper parts of four legs of the ladder; the manual telescopic part is a four-leg part of the ladder and a supporting part for pushing the ladder to move; the moving device is arranged at the bottoms of four legs of the ladder. The invention has simple structure, convenient use and carrying, can be contracted when not used, occupies small space, can be conveniently unfolded when used, can moderately raise the height of the ladder, and can move left and right.
Description
Technical Field
The invention relates to a liftable and conveniently movable ladder, and belongs to the field of ladders used in daily life.
Background
The ladder is an indispensable daily household tool of every family, but in reality the ladder, the function is too single, and actual use time is few, has heavy, occupation space big defect again simultaneously, is unfavorable for depositing, can often trouble because the height of ladder is not enough when using the ladder, still need frequent transport ladder and ladder of going up and down from one position to next position, extravagant manpower and time.
Disclosure of Invention
The invention aims to solve the technical problems that: the invention provides a liftable and conveniently movable ladder, which is used for solving the problems that the ladder in the prior art has too single function, large occupied space, inconvenient storage and inconvenient carrying, frequent carrying of the ladder and climbing up and down of the ladder are required from one position to the next position due to insufficient height of the ladder when the ladder is used, and labor and time are wasted.
The technical scheme adopted by the invention is as follows: the ladder capable of lifting and convenient to move comprises a ladder body, a lifting device and a moving device, wherein the ladder body comprises a manual telescopic rod 1, a pedal plate 2, a seat plate 8, a fixed support plate 4, a rotating shaft I9 and a rotating joint 14; the lifting device comprises a telescopic supporting ladder 5, a supporting ladder telescopic controller 13, a movable long pedal 21 and a fixed long pedal 19, and the moving device comprises a universal wheel 3, a universal wheel locking device 18 and a universal wheel locking controller 15;
the four manual telescopic rods 1 form four legs of a ladder, the lower part of the seat plate 8 is connected with the tops of the four legs of the ladder through two pin shafts, the rotating shaft I9 is arranged in the rotating drum and connected with the seat plate 8 through a bearing, the rotating drum is fixedly connected with the bearing, the rotary joint 14 is fixedly connected with the tops of the four legs of the ladder, the pedal plate 2 is arranged between the two manual telescopic rods 1 and can rotate in the direction, the fixed support plate 4 is connected with the two manual telescopic rods 1 at two sides through a fixed buckle, and the rotary joint 6 is arranged in the middle of the fixed support plate 4;
one end of the movable long pedal 21 is connected with one end of the fixed long pedal 19 through a rotating shaft II 20, the other end of the fixed long pedal 19 is fixedly connected with the uppermost pedal 2 on the right side of the ladder, one end of a spring pull rope 10 is fixed on the upper end face of the movable long pedal 21, the other end of the spring pull rope is fixedly connected on a rotary drum provided with a rotating shaft I9, the telescopic support ladder 5 is arranged on the lower portion of the movable long pedal 21 and is connected with the movable long pedal 21 through a spherical hinge 11, the support ladder telescopic controller 13 is arranged on the movable long pedal 21, a locking device is arranged in the support ladder telescopic controller 13 is connected with a spring 12 arranged at each joint inside the telescopic support ladder 5 through a connecting steel rope.
Preferably, the lifting device further comprises a pneumatic push rod device 7 and a pneumatic push rod controller 16, the four pneumatic push rod devices 7 are respectively arranged at the upper parts of the four manual telescopic rods 1, the lower end of each pneumatic push rod device 7 is embedded into a cavity corresponding to the next section of the manual telescopic rod 1 and is fixedly connected with the cavity corresponding to the previous section of the manual telescopic rod 1, an air pressure valve 26 is arranged at the upper end of each pneumatic push rod device 7, the pneumatic push rod controller 16 is arranged on a fixed long pedal 19, the pneumatic push rod controller 16 comprises a packaging shell and an air pressure valve control bracelet 27, the air pressure valve control bracelet 27 comprises handles at two ends and connecting rods for connecting the handles at the two ends, a spring card 31 is arranged at one end, close to the handles, of each handle, provided with a card button 28 for controlling the expansion of the spring card 31, the middle part of the packaging shell is connected with the connecting rod of the air pressure valve control bracelet 27 through a bearing, a through hole clamping groove disc 35 is arranged at the inner ring of the bearing, and a clamping groove for clamping the spring card 31 is arranged on the through hole clamping groove disc 35; the upper part of each manual telescopic rod 1 is provided with a supporting cylinder 30, one end of a spring steel ball 29 penetrates through the supporting cylinder 30, a connecting rod in the middle of a pneumatic valve control bracelet 27 is connected with one ends of four steel ropes 32 respectively, the other ends of the four steel ropes 32 penetrate through rope holes in a fixed long pedal 19 and then are connected with the supporting rods of the four spring steel balls 29 penetrating through the supporting cylinder 30 respectively, the spring steel balls 29 and the pneumatic valve 26 are positioned on the same axis, and the spring steel balls 29 just hit the pneumatic valve 26 when falling along with the steel ropes 32.
Preferably, the pedal plate 2 is connected with the manual telescopic rod 1 through a plastic snap ring 33, a rolling bearing 34 is arranged at the end part of the plastic snap ring 33, shafts extending out from two sides of the pedal plate 2 are connected with the plastic snap ring 33 through the rolling bearing 34, a sleeve spring 24 is arranged on the shafts extending out from the pedal plate 2, one end of the sleeve spring 24 is embedded in the plastic snap ring 33, the other end of the sleeve spring is embedded in a groove of the pedal plate 2, and a lock switch 25 of the manual telescopic rod 1 is arranged outside the plastic snap ring 33. The face of the pedal plate 2 is paved with a layer of anti-skid rubber.
Preferably, the universal wheel 3 is installed at the bottom of the manual telescopic rod 1, the universal wheel locking device 18 is fixed on a fixed support of the universal wheel 3, a push rod and a plurality of clamping grooves are arranged on the universal wheel locking controller 15, the hub of the universal wheel 3 is designed into a spiral toothed hub 17, a spring rope is arranged inside the universal wheel locking device 18, the locking end part of the universal wheel locking device 18 is provided with a spring pin 22, a pin spring 23 is arranged inside the spring pin 23, one end of the pin spring 23 is connected with the spring pin 22, the other end of the spring rope is connected with one end of the spring rope, the other end of the spring rope is connected with the push rod of the universal wheel locking controller 15 on the fixed long pedal 19 through the hollow of the manual telescopic rod 1, and the locking end part spring pin 22 of the universal wheel locking device 18 on the leg universal wheel 3 of a ladder is controlled to be inserted into the spiral toothed hub 17 of the universal wheel 3 through controlling the push rod of the universal wheel locking controller 15 to enter different clamping grooves, so that the universal wheel 3 in different directions can be locked.
Preferably, the universal wheel 3 is connected with the bottom of the manual telescopic rod 1 through bolts.
Preferably, a spring blocking device is arranged in the manual telescopic rod 1, and each telescopic section automatically locks one section.
The beneficial effects of the invention are as follows: the invention can realize that a user does not need to frequently go up and down the ladder through simple operation, and can stretch or shorten the ladder to a required height according to the needs of the user from one position to the next position, and the invention can ensure that the user can more comfortably perform various field operations through the design of the seat plate, thereby saving manpower, and being long in maintenance time and comfortable. The storage and movement are convenient, and the living cost and the storage space are saved for the user. The invention has simple structure, convenient use and carrying, can be contracted when not used, occupies small space, can be conveniently unfolded when used, can moderately raise the height of the ladder, and can move left and right.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic elevational view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic view of the structure of the universal wheel of the present invention;
FIG. 5 is a schematic view of a universal wheel locking device according to the present invention;
FIG. 6 is a schematic view of the telescopic controller of the support ladder of the present invention;
FIG. 7 is a schematic diagram of a universal wheel lock controller of the present invention;
FIG. 8 is a schematic diagram of a pneumatic push rod controller of the present invention;
FIG. 9 is a schematic view of the movable long pedal structure of the present invention;
FIG. 10 is a schematic view of the spring structure within the spring pin of the present invention;
FIG. 11 is a schematic view of a spherical hinge structure according to the present invention;
FIG. 12 is a schematic view of the pneumatic putter device of the present invention;
FIG. 13 is a schematic view of the pneumatic valve control bracelet according to the present invention;
FIG. 14 is a schematic view of a portion of the structure of an elastic steel ball of the present invention;
FIG. 15 is a schematic view of the plastic snap ring structure of the present invention;
FIG. 16 is a schematic view of a foot pedal structure of the present invention;
the reference numerals in the drawings: 1-manual telescopic rod, 2-pedal, 3-universal wheel, 4-fixed support plate, 5-telescopic support ladder, 6-rotary joint, 7-pneumatic push rod device, 8-seat plate, 9-rotary shaft I, 10-spring pull rope, 11-spherical hinge, 12-spring, 13-support ladder telescopic controller, 14-rotary joint, 15-universal wheel locking controller, 16-pneumatic push rod controller, 17-spiral toothed hub, 18-universal wheel locking device, 19-fixed long pedal, 20-rotary shaft II, 21-movable long pedal, 22-spring pin, 23-pin spring, 24-sleeve spring, 25-lock switch, 26-pneumatic valve, 27-pneumatic valve control bracelet, 28-card key, 29-spring disc steel ball, 30-support cylinder, 31-spring card, 32-steel rope, 33-plastic clasp, 34-rolling bearing, 35-through hole card slot.
Detailed Description
In order that the embodiments of the invention will become more readily apparent, a specific embodiment will be set forth below with reference to the accompanying drawings, it being apparent that the described embodiment is an aspect of the embodiments of the invention. Based on the embodiments described herein, other complementary structures to those described herein that would be available to one of ordinary skill in the art without undue burden are within the scope of the present invention. Thus, the following description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. In the description of the present invention, it should be understood that the controller described herein is merely for convenience in describing the present invention and for simplifying the description, and does not indicate or imply that the devices or elements referred to must have a specific structure, and thus should not be construed as limiting the present invention.
Example 1: 1-16, a ladder capable of lifting and convenient to move comprises a ladder body, a lifting device and a moving device, wherein the ladder body comprises a manual telescopic rod 1, a pedal plate 2, a seat plate 8, a fixed support plate 4, a rotating shaft I9 and a rotary joint 14; the lifting device comprises a telescopic supporting ladder 5, a supporting ladder telescopic controller 13, a movable long pedal 21 and a fixed long pedal 19, and the moving device comprises a universal wheel 3, a universal wheel locking device 18 and a universal wheel locking controller 15;
the four manual telescopic rods 1 form four legs of a ladder, the lower part of the seat plate 8 is connected with the tops of the four legs of the ladder through two pin shafts, the rotating shaft I9 is arranged in the rotating drum and connected with the seat plate 8 through a bearing, the rotating drum is fixedly connected with the bearing, the rotary joint 14 is fixedly connected with the tops of the four legs of the ladder, and a buckle is arranged to prevent the tops of the four legs of the ladder from rotating; the pedal plate 2 is arranged between the two manual telescopic rods 1 and can rotate, the fixed support plate 4 is connected with the two manual telescopic rods 1 on two sides through the fixed buckles, the rotary joint 6 is arranged in the middle of the fixed support plate 4, the rotary joint 6 is provided with a buckle, when two legs on the same side of the ladder are stretched to a certain safety angle, the fixed support plate 4 can be automatically straightened, and the rotary joint 6 is locked by the buckle.
One end of the movable long pedal 21 is connected with one end of the fixed long pedal 19 through a rotating shaft II 20, the other end of the fixed long pedal 19 is fixedly connected with the uppermost pedal 2 on the right side of the ladder, one end of a spring pull rope 10 is fixed on the upper end face of the movable long pedal 21, the other end of the spring pull rope is fixedly connected on a rotary drum provided with a rotating shaft I9, the telescopic support ladder 5 is arranged on the lower portion of the movable long pedal 21 and is connected with the movable long pedal 21 through a spherical hinge 11, the support ladder telescopic controller 13 is arranged on the movable long pedal 21, a locking device is arranged in the support ladder telescopic controller 13 is connected with a spring 12 arranged at each joint inside the telescopic support ladder 5 through a connecting steel rope. When the supporting ladder telescoping controller 13 is not used for controlling, all joints are in a fully unfolded state, and the supporting ladder telescoping controller 13 controls the telescoping of one joint every time the supporting ladder telescoping controller 13 rotates one circle. The up-and-down rotation of the movable long pedal 21 is controlled by the expansion and contraction of the spring pull rope 10, so that the front-and-back movement of the telescopic support ladder 5 is controlled, the universal wheel 3 is further moved back and forth, and a user can change the current position.
Further, the lifting device further comprises a pneumatic push rod device 7 and a pneumatic push rod controller 16, the four pneumatic push rod devices 7 are respectively arranged at the upper parts of the four manual telescopic rods 1, the lower end of each pneumatic push rod device 7 is embedded into a cavity corresponding to the next section of the manual telescopic rod 1 and is fixedly connected with the cavity corresponding to the previous section of the manual telescopic rod 1, the upper end part of the pneumatic push rod device 7 is provided with an air pressure valve 26, the pneumatic push rod controller 16 is arranged on a fixed long pedal 19, the pneumatic push rod controller 16 comprises a packaging shell and an air pressure valve control bracelet 27, the air pressure valve control bracelet 27 comprises handles at two ends and connecting rods for connecting the handles at two ends, one end, close to the handles, of each connecting rod is provided with a spring card 31, the handles are provided with card keys 28 for controlling the expansion of the spring card 31, the middle part of the packaging shell is connected with the connecting rods of the air pressure valve control bracelet 27 through bearings, the inner rings of the bearings are provided with through hole clamping groove discs 35, and the through hole clamping groove discs 35 are provided with clamping grooves for clamping the spring cards 31; the upper part of each manual telescopic rod 1 is provided with a supporting cylinder 30, one end of a spring steel ball 29 penetrates through the supporting cylinder 30, a connecting rod in the middle of a pneumatic valve control bracelet 27 is connected with one ends of four steel ropes 32 respectively, the other ends of the four steel ropes 32 penetrate through rope holes in a fixed long pedal 19 and then are connected with the supporting rods of the four spring steel balls 29 penetrating through the supporting cylinder 30 respectively, the spring steel balls 29 and the pneumatic valve 26 are positioned on the same axis, and the spring steel balls 29 just hit the pneumatic valve 26 when falling along with the steel ropes 32. Pushing the pneumatic valve control bracelet 27 inwards to achieve locking prevents the pneumatic push rod device 7 from venting through the pneumatic valve 26.
The spring steel ball 29 and the air pressure valve 26 are arranged on the same axis, the air pressure valve 26 is arranged at the lower end part of the cavity of the uppermost section of the manual telescopic rod 1, the spring steel ball 29 is movably connected with the supporting cylinder 30, the supporting cylinder is arranged in the cavity of the manual telescopic rod 1 above the air pressure valve 26, a certain distance is reserved between the inner cavity of the manual telescopic rod 1 and the air pressure valve 26, one end of a supporting rod arranged at the end part of the spring steel ball 29 is fixedly connected with the spring steel ball 29, the other end of the supporting rod extends into the cavity of the supporting cylinder and is connected with the steel rope 32, the steel rope 32 is stretched and shortened by rotating the bracelet 27, the spring steel ball 29 and the supporting rod arranged on the spring steel ball 29 are rigid bodies, the spring steel ball 29 moves downwards and ascends along with the stretching and shortening of the steel rope 32, the spring steel ball 29 and the air pressure valve 26 just hits the air pressure valve 26 on the same axis, and the air pressure in the air pressure valve 26 is contracted inwards, so that the air pressure in the air pressure push rod device and the external air pressure form a pressure difference, and the air pressure push rod device is pushed to stretch upwards.
Further, the pedal plate 2 is connected with the manual telescopic rod 1 through a plastic snap ring 33, a rolling bearing 34 is arranged at the end part of the plastic snap ring 33, shafts extending out from two sides of the pedal plate 2 are connected with the plastic snap ring 33 through the rolling bearing 34, a sleeve spring 24 is arranged on the shafts extending out from the pedal plate 2, one end of the sleeve spring 24 is embedded in the plastic snap ring 33, the other end of the sleeve spring is embedded in a groove of the pedal plate 2, and a lock switch 25 of the manual telescopic rod 1 is arranged outside the plastic snap ring 33. The face of the pedal plate 2 is paved with a layer of anti-skid rubber.
Further, the universal wheel 3 is installed at the bottom of the manual telescopic rod 1, the universal wheel locking device 18 is fixed on a fixed support of the universal wheel 3, a push rod and a plurality of clamping grooves are arranged on the universal wheel locking controller 15, a hub of the universal wheel 3 is designed into a spiral toothed hub 17, a spring rope is arranged inside the universal wheel locking device 18, the locking end part of the universal wheel locking device 18 is provided with a spring pin 22, a pin spring 23 is arranged inside the spring pin 22, one end of the pin spring 23 is connected with the spring pin 22, the other end of the spring rope is connected with one end of the spring rope, the other end of the spring rope is connected with a push rod of the universal wheel locking controller 15 on a fixed long pedal 19 through the hollow of the manual telescopic rod 1, and the locking end part spring pin 22 of the universal wheel locking device 18 on the leg universal wheel 3 of a ladder is controlled to be inserted into the spiral toothed hub 17 of the universal wheel 3 through controlling the push rod of the universal wheel locking controller 15 to enter different clamping grooves, so that the universal wheel 3 in different directions can be locked. The universal wheel locking controller 15 is provided with a spring rope clamp device to prevent other wheels from being controlled when one wheel is controlled.
Further, the universal wheel 3 is connected with the bottom of the manual telescopic rod 1 through bolts, and the telescopic rod is simple in structure and convenient to replace.
Further, a spring blocking device is arranged in the manual telescopic rod 1, and each telescopic section can be automatically blocked and locked.
The working principle of the invention is as follows:
when the ladder is not used, the four legs of the ladder are in a fully contracted state, the push rod of the pneumatic push rod device 7 is contracted inwards to be attached to the end face of the middle part of the pneumatic push rod device 7, so that the lower end face of the section of the manual telescopic rod 1, which is close to the seat plate 8, on the upper part of the manual telescopic rod 1 is driven to be attached to the middle part of the pneumatic push rod device 7 and the upper end face of the section of the manual telescopic rod 1, which is embedded in the lower part of the pneumatic push rod device 7, the universal wheel 3 is in a locking state, the pedal plate 2 is reset to be parallel to the manual telescopic rod 1 due to the action of the sleeve spring 24, the direction is upward, but no interference occurs, the pedal plate 2 fixedly connected with the fixed long pedal 19 is downward, the movable long pedal 21 is pulled back to the inner space of the ladder by the spring pull rope, and the telescopic support ladder 5 is in a fully contracted state and is clamped on the movable long pedal 21. When the ladder is used, the lock of the universal wheel 3 is opened, the ladder is pulled to move to a designated position, then the universal wheel 3 is locked, the ladder is opened by a certain angle, the lock switch 25 on the plastic clamping ring 33 is shifted to push the spring lock into the inner cavity of the upper section of manual telescopic rod 1, the manual telescopic rod is lifted to a required height, the pedal plate 2 is shifted to enable the pedal plate 2 to automatically rebound to a normal use state, the pedal plate 2 connected with the fixed long pedal plate 19 is automatically reset due to the action of the force of the opened ladder, the movable long pedal plate 21 is reset to a certain angle through the rotating shaft I9, the universal wheel locking device 18 supporting the telescopic support ladder 13 is opened to enable the telescopic support ladder 5 to automatically extend to be in contact with the ground due to the action of the internal spring, then the universal wheel locking device 18 is locked, the lock of the universal wheel 3 is opened, and the telescopic support ladder 5 is driven to move left and right through the downward pressure of the foot of a person to the movable pedal plate 21 and the action of the spring pull rope 10, so that the universal wheel 3 is enabled to move left and right. When steering is needed, one universal wheel 3 is locked, so that the ladder can rotate around the locked universal wheel 3 for one circle. When the height of the ladder needs to be increased, the pressure valve control bracelet 27 of the pneumatic push rod controller 16 is pulled outwards, then the pneumatic valve control bracelet 27 is rotated, and the ascending height of the pneumatic push rod device 7 can be adjusted, so that the height needed by a user is achieved, and then the telescopic support ladder is contracted to be contacted with the ground through the support ladder telescopic controller 13.
The specific embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (4)
1. A liftable just convenient ladder that removes which characterized in that: the ladder comprises a ladder body, a lifting device and a moving device, wherein the ladder body comprises a manual telescopic rod (1), a pedal plate (2), a seat plate (8), a fixed support plate (4), a rotating shaft I (9) and a rotary joint (14); the lifting device comprises a telescopic supporting ladder (5), a supporting ladder telescopic controller (13), a movable long pedal (21) and a fixed long pedal (19), and the moving device comprises a universal wheel (3), a universal wheel locking device (18) and a universal wheel locking controller (15);
the four manual telescopic rods (1) form four legs of a ladder, the lower part of a seat plate (8) is connected with the tops of the four legs of the ladder through two pin shafts, a rotating shaft I (9) is arranged in a rotating drum and is connected with the seat plate (8) through a bearing, the rotating drum is fixedly connected with the bearing, a rotary joint (14) is fixedly connected with the tops of the four legs of the ladder, a pedal (2) is arranged between the two manual telescopic rods (1) and can rotate in directions, a fixed support plate (4) is connected with the two manual telescopic rods (1) on two sides through a fixed buckle, and a rotary joint (6) is arranged in the middle of the fixed support plate (4);
one end of the movable long pedal (21) is connected with one end of the fixed long pedal (19) through a rotating shaft II (20), the other end of the fixed long pedal (19) is fixedly connected with the uppermost pedal (2) on the right side of the ladder, one end of a spring pull rope (10) is fixed on the upper end face of the movable long pedal (21), the other end of the spring pull rope is fixedly connected on a rotating drum provided with a rotating shaft I (9), a telescopic support ladder (5) is arranged at the lower part of the movable long pedal (21) and is connected with the movable long pedal (21) through a spherical hinge (11), a support ladder telescopic controller (13) is arranged on the movable long pedal (21), a locking device is arranged in the support ladder telescopic controller (13) and is connected with a spring (12) arranged at each joint in the telescopic support ladder (5) through a connecting steel rope;
the lifting device further comprises pneumatic push rod devices (7) and pneumatic push rod controllers (16), the four pneumatic push rod devices (7) are respectively arranged at the upper parts of the four manual telescopic rods (1), the lower end of each pneumatic push rod device (7) is embedded into a cavity corresponding to the next section of the manual telescopic rod (1) to be fixed, the upper end part of each pneumatic push rod device (7) is fixedly connected with the cavity corresponding to the previous section of the manual telescopic rod (1), the pneumatic push rod devices (7) are provided with pneumatic valves (26) at the upper end parts, the pneumatic push rod controllers (16) are arranged on fixed long pedals (19), each pneumatic push rod controller (16) comprises a packaging shell and a pneumatic valve control bracelet (27), each pneumatic valve control bracelet (27) comprises handles at two ends and connecting rods connected with the two ends, one end, close to each handle, of each connecting rod is provided with a spring card (31), the middle part of the packaging shell is connected with a connecting rod of the pneumatic valve control bracelet (27) through a bearing, the middle part of the packaging shell is provided with a through hole clamping disc (35), and the through hole clamping disc (35) is provided with a clamping groove (31) in the clamping groove; a supporting cylinder (30) is arranged at the upper part of each manual telescopic rod (1), one end of a spring steel ball (29) is supported deep into the supporting cylinder (30), a connecting rod at the middle part of a pneumatic valve control bracelet (27) is respectively connected with one ends of four steel ropes (32), the other ends of the four steel ropes (32) are respectively connected with four supporting rods which pass through the spring steel ball (29) of the supporting cylinder (30) after passing through rope holes on a fixed long pedal (19), the spring steel ball (29) and the pneumatic valve (26) are positioned on the same axis, and the spring steel ball (29) just hits the pneumatic valve (26) when falling along with the steel ropes (32);
the manual telescopic rod (1) is internally provided with a spring clamping device, and each telescopic section can be automatically clamped with one section.
2. A liftable and conveniently movable ladder according to claim 1, wherein: the pedal plate (2) is connected with the manual telescopic rod (1) through a plastic snap ring (33), a rolling bearing (34) is arranged at the end part of the plastic snap ring (33), shafts extending out of two sides of the pedal plate (2) are connected with the plastic snap ring (33) through the rolling bearing (34), sleeve springs (24) are arranged on the shafts extending out of the pedal plate (2), one ends of the sleeve springs (24) are embedded in the plastic snap ring (33), the other ends of the sleeve springs are embedded in grooves of the pedal plate (2), a lock switch (25) of the manual telescopic rod (1) is arranged outside the plastic snap ring (33), and a layer of anti-slip rubber is paved on the face of the pedal plate (2).
3. A liftable and conveniently movable ladder according to claim 1, wherein: the universal wheel (3) is installed in manual telescopic link (1) bottom, universal wheel locking device (18) is fixed on the fixed bolster of universal wheel (3), be equipped with push rod and a plurality of draw-in groove on universal wheel locking controller (15), spiral toothed wheel hub (17) are designed into to the wheel hub of universal wheel (3), spring rope has been settled inside universal wheel locking device (18), spring pin axle (22) are set up to the kayser tip of universal wheel locking device (18), pin axle spring (23) are settled to inside, pin axle spring (23) one end is connected with spring pin axle (22), the other end is connected with one end of spring rope, the other end of spring rope is connected with the push rod of fixed long footboard (19) on universal wheel locking controller (15) through the cavity of manual telescopic link (1), the spiral toothed wheel hub (17) of the control ladder shank universal wheel (3) are gone into to the kayser tip spring pin axle (22) of universal wheel locking device (18), thereby dead wheel (3) in different directions.
4. A liftable and conveniently movable ladder according to claim 1, wherein: the universal wheel (3) is connected with the bottom of the manual telescopic rod (1) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910014906.1A CN109630005B (en) | 2019-01-08 | 2019-01-08 | Liftable just convenient ladder that removes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910014906.1A CN109630005B (en) | 2019-01-08 | 2019-01-08 | Liftable just convenient ladder that removes |
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| Publication Number | Publication Date |
|---|---|
| CN109630005A CN109630005A (en) | 2019-04-16 |
| CN109630005B true CN109630005B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910014906.1A Active CN109630005B (en) | 2019-01-08 | 2019-01-08 | Liftable just convenient ladder that removes |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569552A (en) * | 2016-02-17 | 2016-05-11 | 浙江明峰工贸有限公司 | Automatic extension ladder |
| CN205277283U (en) * | 2015-12-23 | 2016-06-01 | 叶海涛 | Automatic double ladder that removes |
| CN208057025U (en) * | 2018-04-07 | 2018-11-06 | 福建纵腾网络有限公司 | A kind of high stable extension ladder of finger |
| CN108915573A (en) * | 2018-07-14 | 2018-11-30 | 黄崇华 | Mobile domestic folding ladder |
| CN109025781A (en) * | 2018-10-29 | 2018-12-18 | 中航鼎衡造船有限公司 | A kind of sliding-type double ladder |
| CN209908387U (en) * | 2019-01-08 | 2020-01-07 | 昆明理工大学 | Ladder capable of lifting and conveniently moving |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7121381B2 (en) * | 2002-06-13 | 2006-10-17 | Moti Shai | Move-on ladder system |
| US7195102B2 (en) * | 2003-01-29 | 2007-03-27 | Moti Shai | Telescopic stool |
-
2019
- 2019-01-08 CN CN201910014906.1A patent/CN109630005B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205277283U (en) * | 2015-12-23 | 2016-06-01 | 叶海涛 | Automatic double ladder that removes |
| CN105569552A (en) * | 2016-02-17 | 2016-05-11 | 浙江明峰工贸有限公司 | Automatic extension ladder |
| CN208057025U (en) * | 2018-04-07 | 2018-11-06 | 福建纵腾网络有限公司 | A kind of high stable extension ladder of finger |
| CN108915573A (en) * | 2018-07-14 | 2018-11-30 | 黄崇华 | Mobile domestic folding ladder |
| CN109025781A (en) * | 2018-10-29 | 2018-12-18 | 中航鼎衡造船有限公司 | A kind of sliding-type double ladder |
| CN209908387U (en) * | 2019-01-08 | 2020-01-07 | 昆明理工大学 | Ladder capable of lifting and conveniently moving |
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| Publication number | Publication date |
|---|---|
| CN109630005A (en) | 2019-04-16 |
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