CN210118085U

CN210118085U - Novel herringbone ladder

Info

Publication number: CN210118085U
Application number: CN201920254676.1U
Authority: CN
Inventors: 不公告发明人
Original assignee: Nanan Xinlong Smart Home Co Ltd
Current assignee: Nanan Xinlong Smart Home Co Ltd
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2020-02-28
Anticipated expiration: 2029-02-28

Abstract

The utility model relates to a ladder technical field, and a novel double ladder is disclosed, which comprises a fixing plate and i, the both ends of fixed plate top both sides are cup jointed through connecting piece and ladder leg activity respectively, and the other end of ladder leg is fixed and is cup jointed the antiskid cover, and the support has been cup jointed through first round axle activity to positive one side of ladder leg, and the quantity of support be two, and the other end of two supports passes through the articulated elements and articulates with the fixed plate, and the positive one side of fixed plate is located the below of support and passes through rectangular component and U type pole fixed connection, and positive one side fixed mounting of fixed plate has hollow case and solid piece. This novel double ladder through set up the fixed plate in the middle of two ladder legs, installs the gyro wheel on the fixed plate, steps on the height of footboard adjusting roller through the foot, when the altitude value at gyro wheel bottom place is less than the fixed antiskid cover bottom place height value that cup joints in ladder leg bottom, utilizes gyro wheel roll to move the double ladder, removes to need the manual work to carry than common double ladder, and this method is convenient and laborsaving.

Description

Novel herringbone ladder

Technical Field

The utility model relates to a ladder technical field specifically is a novel double ladder.

Background

The herringbone ladder is a tool for people to climb, and is called as a herringbone ladder because the herringbone ladder is unfolded when in use, and most of materials of the herringbone ladder are made of aluminum alloy or wood.

The bottom of general double ladder is not equipped with the gyro wheel, and people remove the double ladder and need artifically carry the double ladder, and is very inconvenient, consumes physical power, and the ladder leg on current double ladder both sides adopts the support to articulate generally to fix, but is not equipped with the instrument of two fixed supports in the middle of two articulated supports, has certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a novel double ladder, the bottom that possesses the double ladder is equipped with the gyro wheel and is equipped with the advantage of the fixed apparatus of support, the bottom of having solved general double ladder is not equipped with the gyro wheel, people remove the double ladder and need artifically carry the double ladder, it is very inconvenient, consume physical power, and the ladder leg on current double ladder both sides generally adopts the support to articulate to fix, but is not equipped with the instrument of two fixed supports in the middle of two articulated supports, there is the problem of certain potential safety hazard.

The utility model provides a following technical scheme: a novel herringbone ladder comprises a fixed plate, wherein two ends of two sides of the top of the fixed plate are respectively movably sleeved with ladder legs through connecting pieces, anti-skidding sleeves are fixedly sleeved at the other ends of the ladder legs, a support is movably sleeved at one positive side of the ladder legs through a first round shaft, the number of the supports is two, the other ends of the two supports are hinged with the fixed plate through hinge pieces, one positive side of the fixed plate is positioned below the support and is fixedly connected with a U-shaped rod through a rectangular piece, a hollow box and a solid block are fixedly arranged at one positive side of the fixed plate, a first spring is fixedly arranged at the bottom of an inner cavity of the hollow box, the other end of the first spring is fixedly connected with a movable rod, the movable rod is fixedly connected with the fixed plate through a sleeve rod, one end, away from the fixed plate, of the sleeve rod sequentially penetrates through the movable rod, a gear and a long rod from the inside, one end and solid piece fixed connection of cog-belt, the other end and the stopper fixed connection of solid piece, stopper fixed mounting is on hollow box, one side and the footboard sliding connection of hollow box are kept away from to the stopper, the inner chamber that loop bar one side was kept away from to the stock cup joints through second round axle and gyro wheel activity, the push rod has been cup jointed in the stock activity, one side fixed mounting that the fixed plate was kept away from to the push rod has the handle, the activity has cup jointed the second spring that is located between stock and the handle on the push rod.

Preferably, one side of the push rod close to the fixing plate is designed in a hemispherical shape, and one side of the fixing plate close to the push rod is provided with a sleeve hole matched with the push rod.

Preferably, one side of the bracket, which is close to the U-shaped rod, is provided with a sliding hole matched with the U-shaped rod.

Preferably, one side of the pedal, which is close to the limiting block, is provided with a protrusion, and the protrusion part of the pedal, which is close to the limiting block, is in sliding connection with a groove formed in one side of the limiting block, which is close to the pedal.

Preferably, the width of the ladder leg is equal to the width of the fixing plate.

Preferably, one side of the hollow box close to the movable rod is provided with a through hole matched with the movable rod, and the through hole arranged on one side of the hollow box close to the movable rod is movably sleeved with the movable rod.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this novel double ladder through set up the fixed plate in the middle of two ladder legs, installs the gyro wheel on the fixed plate, steps on the height of footboard adjusting roller through the foot, when the altitude value at gyro wheel bottom place is less than the fixed antiskid cover bottom place height value that cup joints in ladder leg bottom, utilizes gyro wheel roll to move the double ladder, removes to need the manual work to carry than common double ladder, and this method is convenient and laborsaving.

2. This novel double ladder through fixed mounting U type pole on the fixed plate, when the double ladder was opened, the U type pole was inserted two supports automatically and is close to the slide opening of U type pole one side to this is fixed firm with two ladder legs, improves the factor of safety of double ladder.

Drawings

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

FIG. 2 is a schematic view of the structural gear of the present invention;

fig. 3 is a top view of the structural long rod of the present invention.

In the figure: 1. a fixing plate; 2. a connecting member; 3. a support; 4. a rectangular member; 5. an anti-slip sleeve; 6. a handle; 7. a pedal; 8. a U-shaped rod; 9. a first circular shaft; 10. an articulation member; 11. ladder legs; 12. a toothed belt; 13. a gear; 14. a long rod; 15. a limiting block; 16. a roller; 17. a second circular shaft; 18. a first spring; 19. a hollow box; 20. a movable rod; 21. a solid block; 22. a loop bar; 23. a second spring; 24. a push rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a novel herringbone ladder comprises a fixing plate 1, two ends of two sides of the top of the fixing plate 1 are movably sleeved with ladder legs 11 through connecting pieces 2 respectively, the width of the ladder legs 11 is equal to that of the fixing plate 1, the top of the ladder legs 11 is provided with anti-slip patterns, when a person stands on the top of the ladder legs 11, the anti-slip sleeves 5 are fixedly sleeved on the other ends of the ladder legs 11, the supports 3 are movably sleeved on one side of the front of the ladder legs 11 through a first round shaft 9, the number of the supports 3 is two, the other ends of the two supports 3 are hinged with the fixing plate 1 through hinge elements 10, one side of the front of the fixing plate 1 is positioned below the supports 3 and fixedly connected with a U-shaped rod 8 through a rectangular piece 4, one side of each support 3 close to the U-shaped rod 8 is provided with a slide hole matched with the U-shaped rod 8, when the herringbone ladder is opened, the U-shaped rod 8 is automatically inserted into the slide holes of the two supports 3 close to one side, therefore, the two ladder legs 11 are firmly fixed, the safety factor of the herringbone ladder is improved, a hollow box 19 and a solid block 21 are fixedly arranged on one side of the front surface of the fixed plate 1, a first spring 18 is fixedly arranged at the bottom of the inner cavity of the hollow box 19, the other end of the first spring 18 is fixedly connected with the movable rod 20, the movable rod 20 is fixedly connected with the fixed plate 1 through a sleeve rod 22, one end, far away from the fixed plate 1, of the sleeve rod 22 sequentially penetrates through the movable rod 20, the gear 13 and the long rod 14 from inside to outside, the gear 13 is meshed with the toothed belt 12, one end of the toothed belt 12 is fixedly connected with the solid block 21, the other end of the solid block 21 is fixedly connected with a limiting block 15, the limiting block 15 is fixedly arranged on the hollow box 19, a through hole matched with the movable rod 20 is formed in one side, close to the movable rod 20, of the hollow box 19 is movably sleeved with the movable rod 20, one side, far away from the, one side of the pedal 7 close to the limiting block 15 is provided with a protrusion, the protrusion part of the pedal 7 close to the limiting block 15 is in sliding connection with a groove arranged on one side of the limiting block 15 close to the pedal 7, an inner cavity of one side of the long rod 14 far from the loop bar 22 is movably sleeved with a roller 16 through a second round shaft 17, the long rod 14 is movably sleeved with a push rod 24, one side of the push rod 24 close to the fixing plate 1 is in a hemispherical design, one side of the fixing plate 1 close to the push rod 24 is provided with a loop hole matched with the push rod 24, the roller 16 is arranged on the fixing plate 1, the height of the roller 16 is adjusted by stepping on the pedal 7, when the push rod 24 is just clamped into the loop hole arranged on one side of the fixing plate 1 close to the push rod 24, the height value of the bottom of the roller 16 is smaller than the height value of the bottom of the anti-skid sleeve 5 fixedly sleeved at the bottom of the, the second spring 23 that is located between stock 14 and handle 6 is cup jointed in the activity on the push rod 24, the both ends of second spring 23 respectively with stock 14 and handle 6 fixed connection, when the push rod 24 card goes into the trepanning that fixed plate 1 was close to that push rod 24 one side was seted up, take out in the trepanning that fixed plate 1 was close to that push rod 24 one side was seted up through tensile handle 6 with push rod 24.

Firstly, opening the herringbone ladder, automatically inserting the U-shaped rod 8 fixedly installed on the fixing plate 1 into a sliding hole formed in one side of the bracket 3 close to the U-shaped rod 8, and fixing the two horizontally straightened brackets 3, so that the ladder legs 11 are firmly fixed;

when people need to carry the herringbone ladder, the ladder legs 11 are stabilized by two hands, the pedals 7 are stepped by feet, the pedals 7 are connected in a sliding mode along the grooves formed in the side, close to the pedals 7, of the limiting block 15, the toothed belt 12 drives the gears 13 to rotate, the movable rods 20 vertically move downwards, the long rods 14 are in the same moving state as the movable rods 20, the long rods 14 vertically move downwards, the first springs 18 are in a compression state, the height of the bottoms of the idler wheels 16 movably sleeved at the bottoms of the long rods 14 is adjusted, when the long rods 14 descend to a certain height, the push rods 24 can be automatically clamped into the sleeve holes formed in the side, close to the push rods 24, of the fixing plate 1, the idler wheels 16 are fixed, the height value of the bottoms of the idler wheels 16 is smaller than the height value of the bottoms of the anti-slip sleeves 5 fixedly sleeved at the bottoms of the ladder legs;

when the herringbone ladder needs to be fixed, the handle 6 is pulled by hand, the push rod 24 is pulled out from a sleeve hole formed in one side, close to the push rod 24, of the fixing plate 1, the height value of the bottom of the roller 16 is larger than that of the bottom of the anti-skidding sleeve 5 fixedly sleeved at the bottom of the ladder leg 11, and the herringbone ladder is fixed by the ladder leg 11.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a novel double ladder, includes fixed plate (1), its characterized in that: the both ends of fixed plate (1) top both sides are cup jointed through connecting piece (2) and ladder leg (11) activity respectively, the fixed cover of the other end of ladder leg (11) has connect antiskid cover (5), support (3) have been cup jointed through first round axle (9) activity to the positive one side of ladder leg (11), and the quantity of support (3) is two, two the other end of support (3) passes through articulated elements (10) and is articulated with fixed plate (1), the positive one side of fixed plate (1) is located the below of support (3) and passes through rectangle piece (4) and U type pole (8) fixed connection, the positive one side fixed mounting of fixed plate (1) has hollow case (19) and solid block (21), the bottom fixed mounting of hollow case (19) inner chamber has first spring (18), the other end and the movable rod (20) fixed connection of first spring (18), the movable rod (20) is fixedly connected with the fixed plate (1) through a sleeve rod (22), one end of the sleeve rod (22), far away from the fixed plate (1), sequentially penetrates through the movable rod (20), a gear (13) and a long rod (14) from inside to outside, the gear (13) is meshed with a toothed belt (12), one end of the toothed belt (12) is fixedly connected with a solid block (21), the other end of the solid block (21) is fixedly connected with a limiting block (15), the limiting block (15) is fixedly installed on a hollow box (19), one side of the limiting block (15), far away from the hollow box (19), is connected with a pedal (7) in a sliding manner, an inner cavity of one side, far away from the sleeve rod (22), of the long rod (14) is movably sleeved with a roller (16) through a second round shaft (17), a push rod (24) is movably sleeved on the long rod (14), one side, far away from the fixed plate (1), of the push rod (24) is fixedly installed, the push rod (24) is movably sleeved with a second spring (23) positioned between the long rod (14) and the handle (6).

2. The novel herringbone ladder of claim 1, wherein: one side of the push rod (24) close to the fixing plate (1) is of a hemispherical design, and one side of the fixing plate (1) close to the push rod (24) is provided with a trepanning matched with the push rod (24).

3. The novel herringbone ladder of claim 1, wherein: one side of the bracket (3) close to the U-shaped rod (8) is provided with a sliding hole matched with the U-shaped rod (8).

4. The novel herringbone ladder of claim 1, wherein: one side of the pedal (7) close to the limiting block (15) is provided with a protrusion, and the protrusion part of the pedal (7) close to the limiting block (15) is in sliding connection with a groove formed in one side of the limiting block (15) close to the pedal (7).

5. The novel herringbone ladder of claim 1, wherein: the width value of the ladder leg (11) is equal to that of the fixing plate (1).

6. The novel herringbone ladder of claim 1, wherein: one side of the hollow box (19) close to the movable rod (20) is provided with a through hole matched with the movable rod (20), and the through hole arranged on one side of the hollow box (19) close to the movable rod (20) is movably sleeved with the movable rod (20).