CN113417565B

CN113417565B - Household ladder convenient for carrying articles up and down

Info

Publication number: CN113417565B
Application number: CN202110937490.8A
Authority: CN
Inventors: 叶安敏; 胡磊; 应仁斌
Original assignee: Zhejiang Yongan Deli Industry & Trade Co ltd
Current assignee: Zhejiang Yongan Deli Industry & Trade Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-05-27
Anticipated expiration: 2041-08-16
Also published as: CN113417565A

Abstract

The invention discloses a household ladder convenient for carrying articles up and down, which comprises a ladder main body, wherein the ladder main body comprises steps and a frame, a sliding goods shelf is arranged on the frame in a sliding manner and can ascend along with the climbing of people, a linkage anti-sliding device is arranged on the sliding goods shelf and is used for preventing the sliding goods shelf from sliding downwards, and the sliding goods shelf is also provided with a locking device matched with the linkage anti-sliding device and can be used for preventing the sliding goods shelf from sliding downwards. The invention provides a ladder which can place articles on a sliding goods shelf and enable a person to climb by two hands, so that the potential safety hazards that the articles accidentally fall off and the person climbs unstably when the person climbs upwards with the articles are solved, and the ladder is safer, more labor-saving and more efficient when the person climbs the ladder with the articles.

Description

Domestic ladder convenient to carry article about

Technical Field

The invention relates to the technical field of household ladders, in particular to a household ladder convenient for carrying articles up and down.

Background

The ladder is the indispensable instrument in present life, like step on a platform, change the bulb, leave article in the eminence position, but the people is when depositing article to the eminence in the life, often needs a hand to hold article, one hand climbing ladder, has very big potential safety hazard in climbing like this, and the climbing is very arduous moreover, especially when meetting the article that the one hand was difficult to snatch, needs both hands to grasp article simultaneously, then climbs under the condition of not having hand, and this moment potential safety hazard is bigger.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the household ladder convenient for carrying articles up and down.

In order to solve the technical problems, the invention is solved by the following technical scheme: the utility model provides a domestic ladder convenient to carry article about, includes the ladder main part, the ladder main part is including marking time and frame, it is provided with slip goods shelves to slide on the frame, and it can rise along with people's climbing, it prevents the gliding device to set up the linkage on the slip goods shelves, prevents the landing downwards, slip goods shelves still be provided with the linkage prevent the locking device that the gliding device cooperation set up, can dual precaution slip goods shelves landing.

The goods shelf has the beneficial effects that the goods can be placed on the sliding goods shelf, the user climbs with both hands, the sliding goods shelf ascends along with the user and can be automatically locked when ascending, and the goods can not fall down.

In the above scheme, it is preferred that the frame includes pulley groove and open slot, slip goods shelves include movable pulley and goods shelves frame, the movable pulley rotates and sets up on the goods shelves frame, slip goods shelves pass through the movable pulley and slide and set up on the pulley groove of frame, and the movable frame slides and sets up on the open slot.

The sliding shelf has the beneficial effects that the sliding shelf can slide up and down on the frame.

In the above scheme, preferably, the frame further includes a ratchet rack, the sliding shelf further includes ratchet teeth and a first elastic member, the ratchet teeth are rotatably disposed on the shelf frame, the first elastic member is disposed on the inner side of the ratchet teeth, and a limiting member is disposed on the shelf frame and used for limiting the rotation angle of the ratchet teeth.

The effective effect is that the sliding goods shelf can be locked downwards.

In the above scheme, preferably, the linkage anti-sliding device comprises a pressure contact plate, a zipper and a second elastic piece, wherein the pressure contact plate is arranged on the shelf frame in a sliding mode, one end of the zipper is arranged at the bottom of the pressure contact plate, the other end of the zipper is arranged on the ratchet wheel teeth, and the second elastic piece is arranged between the pressure contact plate and the shelf frame.

The goods locking device has the beneficial effects that when the goods are placed on the pressure contact plate, the downward locking function is automatically started.

In the above scheme, it is preferred, the gliding device is prevented in linkage still colludes including the locking, locking device includes slip spring bolt, third elastic component and handle, the handle sets up on the goods shelves frame, the slip spring bolt slides and sets up on the handle, and is provided with the third elastic component between the two, the slip spring bolt front end sets up the inclined plane, and is located the locking and colludes under, the pressure touch-plate gliding enables the locking to collude the pressure and touches the slip spring bolt, makes the slip spring bolt inwards slide, colludes through the slip spring bolt position at the locking after, and the slip spring bolt pops out forward, colludes the locking and locks.

Its beneficial effect lies in, after the goods was placed on the pressure touch panel, the locking that slides the spring bolt can lock automatically and collude to lock the pressure touch panel, no matter whether the top goods is taken away, the pressure touch panel is in always by the lock state, makes the slip goods shelves be in the locking state downwards always, prevents that it from following the top landing suddenly.

In the above scheme, preferably, the locking device further includes a fourth elastic member, the shelf frame is provided with a first slide hole and a second slide hole, the second slide hole is communicated with the first slide hole, the sliding bolt is slidably disposed on the first slide hole, the handle is slidably disposed on the second slide hole, the fourth elastic member is disposed between the handle and the bottom surface of the second slide hole, and the handle is forwardly limited on a plane between the second slide hole and the first slide hole.

The unlocking locking hook has the beneficial effects that the unlocking locking hook can be unlocked by pulling the handle.

In the above aspect, preferably, a strap is provided on the sliding shelf, and the length of the strap is adjustable.

The novel climbing device has the beneficial effect that a person can drive the sliding goods shelf to slide upwards when climbing upwards.

The invention has the beneficial effects that: the invention provides a ladder which can be used for placing articles on a sliding goods shelf and allowing a person to climb by both hands, so that the potential safety hazards that the articles accidentally fall off and the person climbs unstably when the person climbs the ladder with the articles upwards are solved, and the ladder is safer, more labor-saving and more efficient when the person climbs the ladder with the articles.

Drawings

FIG. 1 is a schematic view of the present invention.

Fig. 2 is a cross-sectional view of the sliding shelf of the present invention.

FIG. 3 is a sectional view of the frame assembly of the present invention.

Fig. 4 is a partial structural sectional view of the present invention.

Fig. 5 is a schematic view of the sliding shelf of the present invention.

Fig. 6 is a transverse sectional view of the sliding shelf of the present invention.

FIG. 7 is a schematic view of the locking device of the present invention.

Fig. 8 is a cross-sectional view of the locking device of the present invention.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1-8, a household ladder convenient for carrying articles up and down comprises a ladder main body 1, wherein the ladder main body 1 comprises steps 11 and frames 12, the frames 12 comprise pulley grooves 13, ratchet racks 14 and open grooves 15, the ratchet racks 14 are symmetrically arranged in 2 groups according to the central line of the open grooves 15, the minimum distance between the 2 ratchet racks 14 is larger than the width of the open grooves 15 and smaller than the width of the pulley grooves 13, one step is arranged on each of the left side and the right side of the frame 12, and the steps 11 are arranged on the two frames.

The sliding shelf 2 comprises sliding wheels 22, a shelf frame 21, ratchet teeth 23, a first elastic part 25 and a bottom limiting block 24, the shelf frame 21 comprises a placing plate 216, a sliding block 214 and an extending plate 215, the left side and the right side of the placing plate 216 are respectively provided with a derivative plate 215, the front ends of the derivative plates 215 are respectively provided with the sliding block 214, the sliding wheels 22 are rotatably arranged on the sliding block 214, the sliding wheels 22 are respectively arranged on the left side and the right side of the sliding block 214, the shelf frame 21 is slidably arranged on an open slot 15 of a frame 12 through the derivative plates 215, the sliding block 214 is positioned inside the frame 12, the sliding wheels 22 are slidably arranged in pulley slots 13, the width of the two sliding wheels 22 is just equal to that of the pulley slots, so that the sliding block 214 cannot deflect in the frame, the sliding wheels 22 are respectively arranged on the left sliding block 214 and the right sliding block 214 and are respectively slidably arranged in the left frame 12 and the right frame 12, therefore, the shelf frame 21 cannot deflect and can only slide up and down, the ratchet teeth 23 are rotatably disposed on the sliding block 214 and are mounted on the sliding block 214, when the sliding block 214 is slidably disposed on the side frame 12, the ratchet teeth 23 just correspond to the ratchet rack 14, the ratchet teeth 23 are rotatably disposed on the sliding block 214 in a bilateral symmetry manner, the first elastic member 25 is disposed between the two ratchet teeth 23, the sliding block 214 is provided with the limiting member 211, and the two ratchet teeth 23 contact against the limiting member 211 under the action of the first elastic member 25.

Wherein the ratchet teeth 23 rotate under the action of the first elastic member 25 to abut against the limiting member 211, at this time, the ratchet teeth 23 are in an open state, at this time, the top of the ratchet teeth 23 is located in the teeth of the ratchet rack 14, at this time, the ratchet teeth 23 slide downward, the bottom surface of the ratchet teeth abuts against the upper plane of the teeth on the ratchet rack 14, at this time, the ratchet teeth 23 cannot rotate upward under the action of the limiting member 211, so that the downward movement is limited, so that the sliding block 214 is locked and cannot move downward, and the ratchet teeth 23 can rotate inward, so that when the sliding block 214 is subjected to an upward force, the upper inclined plane at the top of the ratchet teeth 23 abuts against the inclined plane of the teeth on the ratchet rack 14, at this time, the ratchet teeth 23 rotate inward to compress the first elastic member 25, and after the ratchet teeth 23 pass through the abutting teeth on the ratchet rack 14, the ratchet teeth recover to the initial state, that is in the open state under the action of the first elastic member 25, so that the slide block 214 can slide upward when acted upon by an upward force and lock downward so that it cannot move downward.

The placing plate 216 comprises a first sliding hole 212, a second sliding hole 213 and a press-contact plate mounting groove 217, the linkage anti-slide-down device 3 comprises a press contact plate 31, a locking hook 32, a zipper 35 and a second elastic piece 34, the bottom surface of the press contact plate 31 is provided with 2 guide posts 33, the guide posts 33 are slidably arranged on the bottom surface of the press contact plate mounting groove 217, the second elastic piece 34 is slidably arranged on the guide posts, and both ends are respectively pressed against the lower bottom surface of the press-contact plate 31 and the bottom surface of the press-contact plate mounting groove 217, the bottom of one end of the guide post, which penetrates through the mounting plate mounting groove, is provided with a limiting convex block 331, the upper plane of the press contact plate 31 is higher than the upper plane of the mounting plate 216 in the initial state, the bottom limiting block 24 is further arranged on the press contact plate mounting groove 217, the press contact plate 31 can slide downwards when being pressed, finally the bottom surface of the press contact plate is pressed against the upper plane of the bottom limiting block 24, and at the moment, the upper plane of the press contact plate is flush with the upper plane of the placing plate 216.

The bottom surface of the pressure contact plate is further provided with a locking hook 32, the bottom of the locking hook 32 is provided with a first inclined surface 321, a locking hook platform 322 is arranged in a protruding manner, the locking device 4 comprises a sliding bolt 41, a third elastic part 42, a handle 43 and a fourth elastic part 45, the sliding bolt 41 comprises a bolt guide rod 411, the handle 43 comprises a bolt sliding sleeve 431, the sliding bolt 41 is arranged in the bolt sliding sleeve 431 in a sliding manner through the bolt guide rod 411, the third elastic part 42 is arranged between the bottom surface of the bolt guide rod 411 and the bottom surface of the bolt sliding sleeve and is positioned in the bolt sliding sleeve 431, the sliding bolt is further arranged on the first sliding hole 212 in a sliding manner, the front end of the sliding bolt 41 is provided with a second inclined surface 412 which is positioned under the locking hook 32, the pressure contact plate 31 can slide downwards when being subjected to pressure and drives the locking hook 32 to slide downwards, the first inclined surface 321 below the locking hook 32 is abutted against the second inclined surface 412 on the sliding bolt 41, thereby make the sliding bolt inwards slide, the third elastic component 42 is touched in the pressure, first inclined plane on the locking colludes 32 is totally through sliding bolt 41 back, sliding bolt 41 loses the top power of touching, pop out forward under the effect of third elastic component 42, the sliding bolt front portion is located the locking of locking colluding 32 and colludes platform 322, thereby collude 32 locking in the direction that makes progress with the locking, even pressure on the pressure touch panel 31 disappears, pressure touch panel 31 can not upwards slide under the effect of locking colluding 32, and the bottom surface of pressure touch panel 31 just pushes up and touches on the last plane of bottom stopper 24 this moment.

The handle 43 is further slidably disposed in the second sliding hole 213, a fourth elastic element 45 is disposed between the handle 43 and the bottom surface of the second sliding hole 213, the handle 43 is forward limited on the plane between the second sliding hole 213 and the first sliding hole 212, the handle 43 is derived outwards to the outside of the placement plate 216, and a handle protrusion 432 capable of being easily grasped and pulled by a hand is disposed at the tail end of the handle, and when unlocking is required, the handle protrusion 432 is pulled outwards, the handle 43 drives the sliding latch 41 to slide outwards, so that the locking relationship between the sliding latch lock and the locking hook 32 is lost, and the pressure contact plate 31 is upwardly restored to the initial state under the action of the second elastic element 34.

The zipper 35 has one end disposed at the bottom of the press-contact plate 31 and the other end disposed at the ratchet teeth 23, wherein when the press-contact plate 31 is in an initial state, i.e. when no article is placed above the press-contact plate 31, the ratchet teeth 23 rotate inward and are folded inward under the action of the zipper 35, the slide block 214 can slide up and down, the tips of the ratchet teeth 23 do not contact with the ratchet rack 14, which is in a folded state of the ratchet teeth 23, when an article is placed on the press-contact plate 31, the press-contact plate 31 slides downward, one end of the zipper 35 slides downward, so that the end of the ratchet teeth 23 is released, the ratchet teeth 23 are opened outward under the action of the first elastic member 25, the tips of the ratchet teeth 23 are located in the tooth space of the ratchet rack 14, which is restricted downward and can move upward, so that the downward sliding of the sliding shelf 2 is restricted and can only slide upward, and at this moment if take away the goods on the slip goods shelves 2, the locking collude 32 will press touch panel 31 locking under the effect of slip spring bolt 41, consequently press touch panel can not take place displacement from top to bottom for zip 35 can not change, thereby realizes even removing article, slip goods shelves 2 can not the lapse, only outwards pulls out handle lug 432, handle 43 drives slip spring bolt 41 outwards slides, thereby makes and loses the locking relation between slip spring bolt lock and the locking collude 32, makes and presses touch panel 31 upwards to resume initial condition under the effect of second elastic component 34, just so can reach the unblock state, security when the assurance people carried the goods on the ladder.

The placement plate 216 is provided with a binding belt, so that when placed on the placement plate 216, articles can be fixed on the placement plate 216 through the binding belt, the derived plate 215 on the sliding shelf 2 and the placement plate 216 form a space through which a person can pass, so that the person does not influence the climbing ladder when carrying the articles, the derived plate 215 arranged on the left and right sides is provided with a back belt 6, the length of the back belt 6 can be adjusted, when the person climbs the ladder, the person can pull the sliding shelf 2 to climb upwards with the back belt 6, so that the articles are driven to move to a high place together, and the articles are automatically locked at the high place and cannot fall off.

The working principle or the using method is as follows:

when the article needs to be moved to a high place, the article is placed on the placing plate 216, the article is pressed to contact the press contact plate 31, the press contact plate 31 slides downwards, the locking device 4 locks the locking hook 32, the zipper 35 is loosened, the ratchet teeth 23 are opened outwards under the action of the first elastic piece 25, the tips of the ratchet teeth 23 are positioned in the tooth space of the ratchet rack 14 and limited downwards and can move upwards, so that the downward sliding of the sliding shelf 2 is limited and only can slide upwards, at the moment, the back belt 6 of the person starts to climb upwards, in the climbing process, the person gives an upward pulling force to the sliding block of the sliding shelf 2 through the back belt 6, so that the upward force is applied to the belt 214, the upper inclined plane at the top of the ratchet teeth 23 abuts against the inclined plane of the teeth on the ratchet rack 14, the ratchet teeth 23 rotate inwards under the pressing contact force to compress the first elastic piece 25, the ratchet teeth 23 are restored to the initial state, namely the opening state, under the action of the first elastic piece 25 after passing through the top-contacted teeth on the ratchet rack 14, so that the sliding block 214 can slide upwards under the action of upward force and can be locked downwards every time when rising by one tooth, the sliding shelf 2 can be automatically locked downwards every time when rising by one tooth, the safety of the lower personnel and the safety of the climbing personnel are ensured, the physical strength of the climbing personnel is saved, when the climbing personnel reach the height for placing the article, the article is taken away from the placing plate 216, the locking hook 32 locks the press-touch plate 31 under the action of the sliding bolt 41, therefore, the press-touch plate 31 cannot displace up and down, the zipper 35 cannot change, even if the article is moved away, the sliding shelf 2 cannot slide downwards, the handle is locked at the height, and after the article is moved away, the handle block 432 is pulled outwards by the person, the handle 43 drives the sliding bolt 41 to slide outwards, so that the sliding bolt lock and the locking hook 32 lose the locking relationship, the pressure contact plate 31 is upwards restored to the initial state under the action of the second elastic piece 34, the zipper 35 is upwards tensioned, the ratchet teeth 23 are driven to rotate inwards, the sharp portions of the ratchet teeth 23 are not in contact with the ratchet rack 14, the downward limiting is cancelled, the sliding goods shelf 2 can slide downwards, and after a person removes an article and outwards pulls out the handle lug 432, the sliding goods shelf 2 slides downwards under the action of the gravity of the person.

The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a domestic ladder convenient to carry article about, includes ladder main part (1), ladder main part (1) is including marking time (11) and frame (12), its characterized in that: the frame (12) is provided with a sliding goods shelf (2) in a sliding manner, a pulling piece is arranged on the sliding goods shelf and can ascend along with climbing of people, a linkage anti-sliding device (3) is arranged on the sliding goods shelf (2) to prevent the sliding goods shelf from sliding downwards, and the sliding goods shelf (2) is also provided with a locking device (4) matched with the linkage anti-sliding device (3) to prevent the sliding goods shelf (2) from sliding downwards;

the frame (12) comprises a pulley groove (13) and an open groove (15), the sliding goods shelf (2) comprises a sliding wheel (22) and a goods shelf frame (21), the sliding wheel (22) is rotatably arranged on the goods shelf frame (21), the sliding goods shelf (2) is arranged on the pulley groove (13) of the frame (12) in a sliding way through the sliding wheel (22), and the sliding frame (21) is arranged on the open groove (15) in a sliding way,

the frame (12) further comprises a ratchet rack (14), the sliding shelf (2) further comprises ratchet teeth (23) and a first elastic piece (25), the ratchet teeth (23) are rotatably arranged on the shelf frame (21), the first elastic piece (25) is arranged on the inner side of each ratchet tooth (23), and a limiting piece (211) is arranged on the shelf frame (21) and used for limiting the rotating angle of each ratchet tooth (23);

linkage anti-gliding device (3) is including pressure touch panel (31), zip (35) and second elastic component (34), pressure touch panel (31) slide and set up on goods shelves frame (21), zip (35) one end sets up in the bottom of pressure touch panel (31), and the other end sets up on ratchet tooth (23), second elastic component (34) set up between pressure touch panel (31) and goods shelves frame (21).

2. A home ladder for facilitating the boarding and disembarking of items according to claim 1, characterized in that: the linkage anti-sliding device (3) further comprises a locking hook (32), the locking device (4) comprises a sliding bolt (41), a third elastic piece (42) and a handle (43), the handle (43) is arranged on the shelf frame (21), the sliding bolt (41) is arranged on the handle (43) in a sliding mode, the third elastic piece (42) is arranged between the sliding bolt and the handle, the front end of the sliding bolt (41) is provided with an inclined plane and is located under the locking hook (32), the pressure contact plate (31) slides downwards to enable the locking hook (32) to press and touch the sliding bolt (41), so that the sliding bolt slides inwards, the sliding bolt (32) is popped out forwards after the position of the sliding bolt (41) is hooked by the locking hook (32), and the locking hook (32) is locked.

3. A escalator for carrying items up and down as claimed in claim 2, wherein: the locking device (4) further comprises a fourth elastic piece (45), a first sliding hole (212) and a second sliding hole (213) are formed in the shelf frame (21), the second sliding hole (213) is communicated with the first sliding hole (212), the sliding bolt (41) is slidably arranged on the first sliding hole (212), the handle (43) is slidably arranged on the second sliding hole (213), the fourth elastic piece (45) is arranged between the handle (43) and the bottom surface of the second sliding hole (213), and the handle (43) is limited forwards on a plane between the second sliding hole (213) and the first sliding hole (212).

4. A home ladder for facilitating the boarding and disembarking of items according to claim 1, characterized in that: the sliding goods shelf (2) is provided with straps (6), and the lengths of the straps (6) can be adjusted.