CN211819177U

CN211819177U - Large-radian bending type household ladder

Info

Publication number: CN211819177U
Application number: CN202020135801.XU
Authority: CN
Inventors: 吕林; 何鑫
Original assignee: Zhejiang Smile Tools Co ltd
Current assignee: Zhejiang Smile Tools Co ltd
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-10-30
Anticipated expiration: 2030-01-21

Abstract

The utility model relates to a big radian bending type domestic ladder. It solves the problems that the existing household ladder is easy to topple, the not good problem of stability, it includes first climbing ladder and second climbing ladder, first climbing ladder includes two first support rod bodies, be equipped with a plurality of first climbing pedals on the first support rod body, the second climbing ladder includes two second support rod bodies, be equipped with a plurality of second climbing pedals on the second support rod body, the first support rod body is the arc with the second support rod body, first support rod body one end is equipped with slot part, second support rod body one end is equipped with grafting portion, slot part links to each other with grafting portion grafting, first support rod body one end is equipped with first support base, first support rod body bottom sets up on first support base, second support rod body one end is equipped with second support base, second support rod body bottom sets up on second support base, first support rod body and second support rod body both sides are equipped with connects fixed subassembly. The utility model has the advantages that: not easy to topple over and good in stability.

Description

Large-radian bending type household ladder

Technical Field

The utility model relates to a climb the instrument field, concretely relates to big radian crooked type domestic ladder.

Background

In family life, the ladder is a climbing tool which is often needed, at present, the household ladder is generally divided into an extension ladder and a herringbone ladder, at present, because the ladder has better practicability, the ladder becomes more and more necessary tools in families gradually, however, at present, the ladder is generally used by adults, children with smaller age cannot use the ladder, or certain danger is easily generated in the using process, however, because the children are smaller in age, the body height is shorter than that of the adults, and the ladder can be used only when some higher objects are taken; but the common ladder on the market is too complex in structure for children and is not easy to move; and when the ordinary household ladder is climbed by constructors, another person is generally needed to help to support the ladder stably, the ladder is prevented from being displaced or toppled, the safety is poor, the structure is not stable enough, and the manual work is wasted when the ladder is used.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, chinese patent literature discloses a children's movable ladder [ CN201720312958.3], which comprises a ladder body, a rotary bearing, a return spring, a rubber wheel, a movable bracket, a metal bracket, a non-slip mat, and a movable slot; the rotary bearing can rotate freely, and the upper end of the rotary bearing is fixed on the four ladder legs of the ladder body through screws; the upper end and the lower end of the metal bracket are respectively welded with a rotating bearing and an anti-slip pad; the two movable clamping grooves are respectively welded at the upper end and the lower end of the metal bracket, and the welding positions are positioned on a straight line; one end of the movable bracket is arranged on a movable clamping groove at the lower end of the metal bracket through a screw, and the other end of the movable bracket is connected with a rubber wheel; the lower end of the reset spring is connected with the rubber wheel, and the upper end of the reset spring is arranged on a movable clamping groove at the upper end of the metal bracket through a screw; the bottom of the non-slip mat is made of rubber materials to increase the friction force on the ground.

The above scheme solves the problem of inconvenience for children of the existing ladder to a certain extent, but the scheme still has a plurality of defects, such as: the ladder is not stable and is liable to shift or topple over during use.

Disclosure of Invention

The utility model aims at the above-mentioned problem, provide a reasonable in design, the big radian bending type domestic ladder that stability is good and be difficult for empting.

In order to achieve the above purpose, the utility model adopts the following technical proposal: the large-radian bending type household ladder comprises a first climbing ladder and a second climbing ladder, wherein the first climbing ladder comprises two first supporting rod bodies which are arranged in parallel, a plurality of first climbing pedals which are parallel to each other and are arranged in a staggered manner are sequentially arranged on the first supporting rod bodies from top to bottom, the second climbing ladder comprises two second supporting rod bodies which are arranged in parallel, a plurality of second climbing pedals which are parallel to each other and are arranged in a staggered manner are sequentially arranged on the second supporting rod bodies from top to bottom, the first supporting rod bodies and the second supporting rod bodies are arc-shaped, one end of each first supporting rod body is provided with a slot part, one end, corresponding to the first supporting rod body, of each second supporting rod body is provided with an inserting part, the first supporting rod bodies and the second supporting rod bodies are connected in the slot parts in an inserting manner through the inserting parts to form an arc-shaped ladder structure, and one end, far away from the slot parts, of the first supporting rod bodies is provided with a first supporting base, the bottom of the first supporting rod body is arranged in the first supporting base, one end, away from the inserting part, of the second supporting rod body is provided with the second supporting base, the bottom of the second supporting rod body is arranged in the second supporting base, and the two sides of the first supporting rod body and the two sides of the second supporting rod body are provided with connecting and fixing components for stabilizing the arc-shaped ladder structure. The first climbing ladder and the second climbing ladder are mutually connected to form an arc ladder structure with larger radian through the common cooperation of the insertion part and the insertion groove part, and the arc ladder structure is more stable and is not easy to topple over when in use through connecting the fixing component.

In foretell domestic ladder of big radian bending type, the slot part includes first transverse connection pole, and one side that first transverse connection pole is close to grafting portion is equipped with a plurality of grafting mounting grooves, and the grafting mounting groove internal periphery is equipped with a plurality of spacing pieces, forms a plurality of inserted installation clearances of grafting portion that can supply between the spacing piece.

In foretell domestic ladder of big radian bending type, first transverse connection pole setting is perpendicular setting at the tip of first bracing piece one end and with first bracing piece, and first transverse connection pole and first climbing footboard are parallel arrangement, and first transverse connection pole both ends flush with the first bracing piece outside, and first transverse connection pole and first bracing piece integrated into one piece setting. The advantage that integrated into one piece set up makes the arc ladder structure more stable when the load.

In foretell big radian bending type household ladder, grafting portion includes the second transverse connecting rod, and one side that the second transverse connecting rod is close to the slot part is equipped with a plurality of and the grafting body of rod of grafting mounting groove one-to-one, and circumference is equipped with a plurality of joint portions on the grafting body of rod, joint portion joint on corresponding spacing piece.

In foretell big radian bending type domestic ladder, the setting of second transverse connection pole is perpendicular setting at the tip of the second support body of rod one end and with the second support body of rod, and the second transverse connection pole is parallel arrangement with the second footboard of climbing, and the second transverse connection pole both ends flush with the second support body of rod outside, and the second transverse connection pole sets up with second support body of rod integrated into one piece.

In foretell big radian bending type household ladder, first support base includes the second braced frame body, has first mounting groove on the second braced frame body, and is equipped with first bearing block in the first mounting groove, and first bearing block both ends and first mounting groove circumference form first bracing piece body mounting groove, and the one end that slot part was kept away from to first bracing piece body is pegged graft in first bracing piece body mounting groove. The weight of the first bearing block and the support frame body can keep the second support rod body balanced and stable.

In foretell big radian bending type household ladder, the second supports the base and includes the braced frame body, has the second mounting groove on the braced frame body, and is equipped with the second bearing block in the second mounting groove, and second bearing block both ends and second mounting groove circumference form the second and support body of rod mounting groove, and the one end that the grafting portion was kept away from to the second support body of rod is pegged graft in the second supports body of rod mounting groove. The second bearing block and the second supporting frame body can keep the second supporting rod body balanced and stable.

In the above-described large-arc bending type home ladder, the first support base and the second support base are made of a metal material. Therefore, the first supporting base and the second supporting base have enough bearing capacity, and the second supporting rod body can keep relatively independent stability.

In foretell domestic ladder of big radian bending type, connect fixed subassembly including connecting the steel band, connect the steel band both ends and be equipped with first cutting ferrule portion and second cutting ferrule portion respectively, and first cutting ferrule portion is connected with first buckle portion, and the removable setting of first buckle portion is in first bracing piece body one side, and second cutting ferrule portion is connected with second buckle portion, and the removable setting of second buckle portion is in second bracing piece body one side. The effect of connecting fixed subassembly is in order to make first climbing ladder and second climbing ladder keep relative quiescent condition when the load, reduces the displacement, and the security is good.

In foretell big radian bending type domestic ladder, first climbing footboard and second climbing footboard upper surface all are equipped with a plurality of protruding muscle of antiskid. The function of the antiskid convex rib is to prevent the slipping during climbing.

Compared with the prior art, the utility model has the advantages of: simple structure, low cost, through grafting portion and slot part's common cooperation with first climbing ladder and second climbing ladder interconnect form the great arc ladder structure of radian, stable in structure during the use is difficult for empting, is equipped with between first climbing ladder and the second climbing ladder to connect fixed subassembly spacing in addition, can prevent to produce the displacement when using, and stability is good.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a front view of the socket portion of the present invention;

fig. 3 is a front view of the insertion part of the present invention;

fig. 4 is a schematic structural view of the first supporting base of the present invention.

In the figure, a first climbing ladder 1, a first supporting rod 11, a first climbing pedal 12, a second climbing ladder 2, a second supporting rod 21, a second climbing pedal 22, a slot part 3, a first transverse connecting rod 31, an insertion mounting groove 32, a limiting piece 33, a mounting gap 34, an insertion part 4, a second transverse connecting rod 41, an insertion rod 42, a clamping part 43, a first supporting base 5, a first supporting frame 51, a first mounting groove 52, a first bearing block 53, a first supporting rod mounting groove 54, a second supporting base 6, a second supporting frame 61, a second mounting groove 62, a second bearing block 63, a second supporting rod mounting groove 64, a connection fixing component 7, a connection steel belt 71, a first clamping sleeve part 72, a second clamping sleeve part 73, a first clamping part 74, a second clamping part 75 and an anti-skid convex rib 8 are arranged.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in FIGS. 1 to 4, the household ladder with large curvature comprises a first climbing ladder 1 and a second climbing ladder 2, wherein the first climbing ladder 1 comprises two first support rods 11 arranged in parallel, a plurality of first climbing pedals 12 arranged in parallel and staggered are sequentially arranged on the first support rods 11 from top to bottom, the second climbing ladder 2 comprises two second support rods 21 arranged in parallel, a plurality of second climbing pedals 22 arranged in parallel and staggered are sequentially arranged on the second support rods 21 from top to bottom, the first support rods 11 and the second support rods 21 are arc-shaped, a slot part 3 is arranged at one end of each first support rod 11, a plug part 4 is arranged at one end of each second support rod 21 corresponding to the first support rod 11, the first support rods 11 and the second support rods 21 are connected in the slot part 3 in a plugging manner through the plug part 4 to form an arc-shaped ladder structure, and the one end that slot part 3 was kept away from to first bracing piece body 11 is equipped with first support base 5, and first bracing piece body 11 bottom sets up in first support base 5, and the one end that the grafting part 4 was kept away from to second bracing piece body 21 is equipped with second support base 6, and second bracing piece body 21 bottom sets up in second support base 6, and first bracing piece body 11 and second bracing piece body 21 both sides are equipped with the fixed subassembly 7 of connection that is used for stabilizing the arc ladder structure. Utilize first support base 5 to fix first climbing ladder 1 bottom, support base 6 fixed second climbing ladder 2 bottom through the second, simultaneously, make first climbing ladder 1 and second climbing ladder 2 interconnect and form stable in structure's arc ladder structure through the common cooperation of grafting portion 4 and slot part 3, the security is better during the use or when climbing, moreover, because connect the setting of fixed subassembly 7, make and keep relative stillness between first climbing ladder 1 and the second climbing ladder 2, rock when having reduced the climbing, stability is better.

Wherein, inserting groove part 3 includes first transverse connection pole 31, and one side that first transverse connection pole 31 is close to inserting part 4 is equipped with a plurality of grafting mounting grooves 32, and the internal periphery of grafting mounting groove 32 is equipped with a plurality of spacing pieces 33, forms a plurality of installation gaps 34 that can supply inserting part 4 to insert between the spacing piece 33. The mounting gap 34 is provided to allow the engaging portion 43 to have a sufficient space to be inserted into the insertion mounting groove 32.

Visibly, the first transverse connecting rod 31 is disposed at an end of one end of the first supporting rod 11 and is perpendicular to the first supporting rod 11, the first transverse connecting rod 31 is parallel to the first climbing pedal 12, two ends of the first transverse connecting rod 31 are flush with the outer side of the first supporting rod 11, and the first transverse connecting rod 31 and the first supporting rod 11 are integrally formed.

Further, grafting portion 4 includes second transverse connecting rod 41, and one side that second transverse connecting rod 41 is close to slot part 3 is equipped with a plurality of and grafting body of rod 42 of grafting mounting groove 32 one-to-one, and the grafting body of rod 42 upper circumference is equipped with a plurality of joint portions 43, and joint portion 43 joint is on corresponding spacing piece 33. The insertion rod body 42 has two rotation positions, one rotation position enabling the clamping portion 43 and the mounting gap 34 to be located on the same axis, and the other rotation position enabling the clamping portion 43 and the limiting piece 33 to be located on the same axis.

Obviously, the second transverse connecting rod 41 is disposed at the end of one end of the second supporting rod 21 and is perpendicular to the second supporting rod 21, the second transverse connecting rod 41 is parallel to the second climbing pedal 22, two ends of the second transverse connecting rod 41 are flush with the outside of the second supporting rod 21, and the second transverse connecting rod 41 and the second supporting rod 21 are integrally formed.

Preferably, the first support base 5 includes a first support frame 51, the first support frame 51 has a first mounting groove 52 thereon, a first bearing block 53 is disposed in the first mounting groove 52, two ends of the first bearing block 53 and the first mounting groove 52 circumferentially form a first support rod mounting groove 54, and one end of the first support rod 11 away from the slot portion 3 is inserted in the first support rod mounting groove 54. The first bearing block 53 and the first mounting groove 52 limit the bottom of the first supporting rod 11 and firmly lock the bottom of the first supporting rod 11 in the first supporting rod mounting groove 54.

In detail, the second supporting base 6 includes a second supporting frame 61, the second supporting frame 61 has a second mounting groove 62 thereon, a second bearing block 63 is disposed in the second mounting groove 62, two ends of the second bearing block 63 and the second mounting groove 62 circumferentially form a second supporting rod body mounting groove 64, and one end of the second supporting rod body 21, which is far away from the inserting portion 4, is inserted into the second supporting rod body mounting groove 64. The second bearing block 63 and the second mounting groove 62 limit the bottom of the second support rod 21 and firmly lock the second support rod 21 in the second support rod mounting groove 64.

Further, the first support base 5 and the second support base 6 are each made of a metal material. Therefore, the larger bearing force of the first climbing ladder 1 and the second climbing ladder 2 can be formed, so that the first climbing ladder 1 and the second climbing ladder 2 are kept relatively independent and stable.

Specifically, the connecting and fixing assembly 7 includes a connecting steel belt 71, a first clamping portion 72 and a second clamping portion 73 are respectively disposed at two ends of the connecting steel belt 71, the first clamping portion 72 is connected with a first clamping portion 74, the first clamping portion 74 is detachably disposed on one side of the first supporting rod 11, the second clamping portion 73 is connected with a second clamping portion 75, and the second clamping portion 75 is detachably disposed on one side of the second supporting rod 21.

In more detail, the upper surfaces of the first climbing pedal 12 and the second climbing pedal 22 are provided with a plurality of anti-slip ribs 8. The anti-slip bead 8 here is made of a rubber material.

The principle of the embodiment is as follows: utilize first support base 5 to fix first climbing ladder 1 bottom, support base 6 fixed second climbing ladder 2 bottom through the second, remove first climbing ladder 1 and second climbing ladder 2, make slot part 3 and grafting part 4 be close to each other, rotate the grafting body of rod 42, make joint part 43 and installation clearance 34 be located same axis, remove first climbing ladder 1 and second climbing ladder 2, make slot part 3 and grafting part 4 support each other and lean on, and make joint part 43 reset the joint to spacing piece 33, and simultaneously, use the fixed arc ladder structure that first climbing ladder 1 and second climbing ladder 2 formed of connection fixing assembly 7, the security when effectively having strengthened the climbing, and, make the ladder structure more stable, produce the displacement when effectively having avoided the use, good stability.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the first climbing ladder 1, the first supporting rod body 11, the first climbing step 12, the second climbing ladder 2, the second supporting rod body 21, the second climbing step 22, the socket portion 3, the first transverse connecting rod 31, the socket mounting groove 32, the stopper piece 33, the mounting gap 34, the socket portion 4, the second transverse connecting rod 41, the socket rod body 42, the catching portion 43, the first supporting base 5 are used more, the terms of the first supporting frame 51, the first mounting groove 52, the first bearing block 53, the first supporting rod body mounting groove 54, the second supporting base 6, the second supporting frame 61, the second mounting groove 62, the second bearing block 63, the second supporting rod body mounting groove 64, the connecting and fixing component 7, the connecting steel belt 71, the first clamping sleeve part 72, the second clamping sleeve part 73, the first clamping part 74, the second clamping part 75, the anti-skid convex rib 8 and the like are used, but the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A large-radian bending type household ladder comprises a first climbing ladder (1) and a second climbing ladder (2), wherein the first climbing ladder (1) comprises two first supporting rod bodies (11) which are arranged in parallel, a plurality of first climbing pedals (12) which are parallel to each other and are arranged in a staggered manner are sequentially arranged on the first supporting rod bodies (11) from top to bottom, the second climbing ladder (2) comprises two second supporting rod bodies (21) which are arranged in parallel, a plurality of second climbing pedals (22) which are parallel to each other and are arranged in a staggered manner are sequentially arranged on the second supporting rod bodies (21) from top to bottom, and the large-radian bending type household ladder is characterized in that the first supporting rod bodies (11) and the second supporting rod bodies (21) are arc-shaped, one end of the first supporting rod body (11) is provided with a slot part (3), and one ends of the second supporting rod bodies (21) corresponding to the first supporting rod bodies (11) are provided with plug-in parts (4), the first support body of rod (11) and second support body of rod (21) between link to each other and form the arc ladder structure through the form of grafting in slot part (3) of grafting portion (4), and the one end that slot part (3) were kept away from to the first support body of rod (11) is equipped with first support base (5), first support body of rod (11) bottom set up in first support base (5), the second support body of rod (21) one end of keeping away from slot part (4) be equipped with second support base (6), second support body of rod (21) bottom set up in second support base (6), just first support body of rod (11) and second support body of rod (21) both sides be equipped with and be used for stabilizing fixed subassembly (7) of connection of arc ladder structure.

2. The household ladder with large curvature according to claim 1, wherein the slot part (3) comprises a first transverse connecting rod (31), one side of the first transverse connecting rod (31) close to the insertion part (4) is provided with a plurality of insertion mounting grooves (32), a plurality of limiting pieces (33) are arranged in the insertion mounting grooves (32) along the inner circumferential direction, and a plurality of mounting gaps (34) for the insertion part (4) to insert are formed between the limiting pieces (33).

3. A large arc bending type household ladder as claimed in claim 2, wherein the first transverse connecting rod (31) is disposed at an end of one end of the first supporting rod (11) and is perpendicular to the first supporting rod (11), the first transverse connecting rod (31) is disposed in parallel with the first climbing step (12), both ends of the first transverse connecting rod (31) are flush with the outside of the first supporting rod (11), and the first transverse connecting rod (31) is integrally formed with the first supporting rod (11).

4. The household ladder with the large-radian and curvature according to claim 1, wherein the insertion part (4) comprises a second transverse connecting rod (41), one side of the second transverse connecting rod (41) close to the insertion groove part (3) is provided with a plurality of insertion rod bodies (42) which correspond to the insertion mounting grooves (32) one by one, a plurality of clamping parts (43) are circumferentially arranged on each insertion rod body (42), and the clamping parts (43) are clamped on the corresponding limiting pieces (33).

5. The large arc bending type home ladder according to claim 4, wherein the second transverse connecting rod (41) is disposed at an end of one end of the second supporting rod (21) and is vertically disposed with respect to the second supporting rod (21), the second transverse connecting rod (41) is disposed in parallel with the second climbing step (22), both ends of the second transverse connecting rod (41) are flush with the outside of the second supporting rod (21), and the second transverse connecting rod (41) is integrally formed with the second supporting rod (21).

6. The large-radian curved household ladder according to claim 1, wherein the first support base (5) comprises a first support frame body (51), the first support frame body (51) is provided with a first mounting groove (52), a first bearing block (53) is arranged in the first mounting groove (52), two ends of the first bearing block (53) and the first mounting groove (52) circumferentially form a first support rod body mounting groove (54), and one end of the first support rod body (11) far away from the inserting groove part (3) is inserted into the first support rod body mounting groove (54).

7. The large arc bending type household ladder according to claim 1, wherein the second support base (6) comprises a second support frame body (61), the second support frame body (61) is provided with a second mounting groove (62), a second bearing block (63) is arranged in the second mounting groove (62), two ends of the second bearing block (63) and the second mounting groove (62) circumferentially form a second support rod body mounting groove (64), and one end of the second support rod body (21) far away from the insertion part (4) is inserted in the second support rod body mounting groove (64).

8. The household ladder with large curvature according to claim 1, wherein the connecting and fixing assembly (7) comprises a connecting steel belt (71), a first clamping sleeve portion (72) and a second clamping sleeve portion (73) are respectively arranged at two ends of the connecting steel belt (71), the first clamping sleeve portion (72) is connected with a first buckling portion (74), the first buckling portion (74) is detachably arranged on one side of the first supporting rod body (11), the second clamping sleeve portion (73) is connected with a second buckling portion (75), and the second buckling portion (75) is detachably arranged on one side of the second supporting rod body (21).

9. The household ladder with large curvature according to claim 1, wherein the first climbing pedal (12) and the second climbing pedal (22) are provided with a plurality of anti-slip ribs (8) on the upper surface.