CN215169660U - Telescopic insulating double ladder - Google Patents

Abstract

The utility model relates to a double ladder technical field just discloses a telescopic insulating double ladder, the loach carrying platform comprises a supporting fram, the inside fixed mounting of the support frame left and right sides has the connecting rod, and the quantity of connecting rod is two, the extension rod has been cup jointed in the outer wall activity of connecting rod, the left and right sides fixed mounting of extension rod has splint No. one, the inside fixed cup joint at both ends has a round bar No. one about splint. The utility model discloses a cooperation between extension rod, sill bar, spring and the fixture block utilizes the elasticity of spring to drive the motion of fixture block, has realized the connected mode of activity joint between extension rod and the sill bar, has solved the problem that double ladder length value is fixed effectively, to the adjustable of double ladder length value, has enlarged double ladder's application scope, has reduced the cost of purchasing the double ladder of different height values, has also saved the area that a plurality of double ladders were deposited simultaneously.

Description

Telescopic insulating double ladder

Technical Field

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

Background

A ladder is a kind of apparatus convenient for people to get on and off, generally use two long bamboos or wood to make the group side by side, the middle crosses several short bamboos or wood and makes, also make with metal, in numerous ladder types, the ladder of herringbone ladder use the number of times to compare with ladder of other structures more, because it uses, front and back ladder poles and ground form an isosceles triangle, look like a 'people' word, therefore call it's figure' ladder, the practical herringbone ladder has fixed herringbone ladder and activity herringbone ladder vividly, the fixed herringbone ladder is the people and builds the tool temporarily; the movable herringbone ladder is characterized in that the tops of two ladders are connected together through hinges, the movable herringbone ladder can be combined when moving, due to the flexibility of the movable herringbone ladder, the movable herringbone ladder is widely applied to electrician operation, the early herringbone ladder is generally made of wood, along with the development of metal industry, aluminum alloy materials are mostly used, and the aluminum alloy herringbone ladder has the characteristics of portability, attractiveness and durability, is low in manufacturing cost and is widely used.

However, the height of the existing herringbone ladder is fixed, a user needs to purchase the herringbone ladder with the different height when the herringbone ladder is not used for operation, the purchase cost of the herringbone ladder is increased, and meanwhile, the herringbone ladder with the different height value needs to be produced in a factory, so that the production cost of the herringbone ladder is increased; the herringbone ladders with different heights are purchased for meeting the work of different heights, the herringbone ladders with different heights occupy a large area when being stacked after being used, the stacked herringbone ladders are mutually accumulated and collided to cause the damage of the herringbone ladders, the service life of the herringbone ladders is shortened, and the cost of purchasing new herringbone ladders and maintaining the damaged herringbone ladders is increased for a user; the existing herringbone ladder is not provided with the handrail, so that the herringbone ladder is not convenient for a user to use, and the risk of accidents of the user is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a telescopic insulating double ladder possesses length adjustable, is convenient for to the double ladder accomodate, save area occupied when the double ladder is idle and reinforcing user's safety guarantee's advantage, has solved the problem that proposes among the above-mentioned background art.

The utility model provides a following technical scheme: a telescopic insulating herringbone ladder comprises a supporting frame, wherein connecting rods are fixedly mounted inside the left side and the right side of the supporting frame, the number of the connecting rods is two, an extension rod is movably sleeved on the outer wall of each connecting rod, a clamp plate is fixedly mounted on the left side and the right side of each extension rod, a round rod is fixedly sleeved inside the upper end and the lower end of each clamp plate, a movable rod outside the corresponding clamp plate is movably sleeved on the outer wall of the round rod, a positioning rod is movably sleeved on the inner wall of each movable rod, which is far away from one end of the corresponding round rod, a handrail is fixedly mounted at the front end and the rear end of each positioning rod, fixed blocks are fixedly mounted on the left side and the right side of each extension rod, which is far away from one end of each connecting rod, a telescopic rod is fixedly mounted on one side of the inner wall of each fixed block, a spring is movably sleeved on the outer wall of each telescopic rod, a fixture block is fixedly sleeved on the outer wall of each telescopic rod, which is far away from one end of each fixed block, the utility model discloses a No. two fixed block's fixed knot of fixture block, including the upper and lower both sides of fixture block, the upper and lower both sides fixed mounting of fixture block has the T shape pole that is located the inside of fixed block, the outer wall activity joint of T shape pole has the sill bar that is located the extension rod outside, one side fixed mounting that the sill bar kept away from the extension rod has No. two splint, the inner wall at both ends is fixed to cup joint No. two round bars about No. two splint, No. two the outer wall activity of round bar has cup jointed No. two movable rods that are located No. two splint outsides, No. two the movable rod keeps away from the activity of No. two round bar one ends and has cup jointed No. two locating levers, No. two both ends fixed mounting has No. two handrails around No. two locating levers, the lower bottom surface swing joint of No. two movable rods has No. two stoppers that are located No. two round bar belows, the lower bottom surface swing joint of a movable rod has a stopper that is located a round bar below.

Preferably, the support frame has two left and right ends with two concave grooves, the front and back both sides of the concave groove inner wall of support frame and the front and back both ends fixed connection of connecting rod.

Preferably, one side of the fixed block, which is far away from the extension rod, is provided with a cylindrical hole, the inner wall of the cylindrical hole is movably sleeved with the outer wall of the fixture block, the upper side and the lower side of the inner wall of the fixed block are provided with sliding grooves corresponding to the positions of the inner wall of the fixed block, and the inner wall of each sliding groove is movably sleeved with the outer wall of the T-shaped rod.

Preferably, the one end of spring and one side fixed connection of fixed block inner wall, the one end that the fixed block was kept away from to the spring and one side fixed connection of fixture block inner wall, the inside of spring cup joints with the outer wall activity of telescopic link.

Preferably, the rotation hole has been seted up to the upper end of sill bar, and rotates the outer wall activity of the inner wall in hole and connecting rod and cup joint, the corresponding card hole in position has been seted up to the left and right sides of sill bar, and the inner wall in card hole and the outer wall activity joint of fixture block, the one end that the connecting rod was kept away from to the sill bar scribbles the skid resistant course.

Preferably, the back of the second limiting block is fixedly connected with the front of the second clamping plate, and the upper surface of the second limiting block is movably connected with the lower bottom surface of the second movable rod.

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

1. the utility model discloses a cooperation between extension rod, sill bar, spring and the fixture block utilizes the elasticity of spring to drive the motion of fixture block, has realized the connected mode of activity joint between extension rod and the sill bar, has solved the problem that double ladder length value is fixed effectively, to the adjustable of double ladder length value, has enlarged double ladder's application scope, has reduced the cost of purchasing the double ladder of different height values, has also saved the area that a plurality of double ladders were deposited simultaneously.

2. The utility model discloses a cooperation between handrail, No. two handrails, extension rod and the sill bar utilizes handrail and No. two handrails to provide the guard action for the user, has solved the problem that the security is low when the double ladder uses effectively, and the labour when the user uses the double ladder to carry out the eminence operation has also been saved in the installation of handrail, has also reduced the risk that the user appears accident when using the double ladder simultaneously.

Drawings

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

fig. 2 is a top view of the support frame of the present invention;

fig. 3 is a top view of the first clamping plate of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a support frame; 2. a connecting rod; 3. an extension pole; 4. a first clamping plate; 5. a first round bar; 6. a first movable rod; 7. a first positioning rod; 8. a first handrail; 9. a fixed block; 10. a telescopic rod; 11. a spring; 12. a clamping block; 13. a T-shaped rod; 14. a bottom bar; 15. a second splint; 16. a second round bar; 17. a second movable rod; 18. a second positioning rod; 19. a second armrest; 20. a second limiting block; 21. a stopper.

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. 1-4, a telescopic insulating herringbone ladder comprises a support frame 1, two connecting rods 2 are fixedly mounted inside the left side and the right side of the support frame 1, the number of the connecting rods 2 is two, an extension rod 3 is movably sleeved on the outer wall of each connecting rod 2, the mounting of each connecting rod 2 plays a role in connecting the support frame 1 with the extension rod 3, a clamp plate 4 is fixedly mounted on the left side and the right side of each extension rod 3, a round rod 5 is fixedly sleeved inside the upper end and the lower end of each clamp plate 4, the mounting of each clamp plate 4 plays a role in reinforcing the round rod 5, a movable rod 6 positioned outside the clamp plate 4 is movably sleeved on the outer wall of each round rod 5 in a movably sleeved mode, the movable rod 6 is convenient to move, a positioning rod 7 is movably sleeved on the inner wall of the movable rod 6 far away from one end of the round rod 5, a handrail 8 is fixedly mounted at the front end and the rear end of the positioning rod 7, the safety of the extension rod 3 is guaranteed by the installation of the first handrail 8, the left side and the right side of one end, far away from the connecting rod 2, of the extension rod 3 are fixedly provided with the fixed blocks 9, one side of the inner wall of the fixed block 9 is fixedly provided with the telescopic rod 10, the outer wall of the telescopic rod 10 is movably sleeved with the spring 11, the connection mode of the clamping block 12 and the bottom rod 14 is changed by utilizing the compression and resilience properties of the spring 11, the outer wall of one end, far away from the fixed block 9, of the telescopic rod 10 is fixedly sleeved with the clamping block 12, the upper side and the lower side of the clamping block 12 are fixedly provided with the T-shaped rods 13 positioned in the fixed block 9, the clamping block 12 is prevented from being separated from the fixed block 9 by the installation of the T-shaped rods 13, the bottom rod 14 positioned outside the extension rod 3 is movably clamped on the outer wall of the T-shaped rod 13, the length value of the extension rod 3 is utilized to stretch the length value of the herringbone ladder, the problem of fixing the height value of the herringbone ladder is effectively solved, the application range of the herringbone ladder is increased by changing the height value of the herringbone ladder, meanwhile, the flexibility and the maneuverability of the herringbone ladder are increased, the use times of the herringbone ladder are increased, the cost for purchasing and producing the herringbone ladders with different height values is reduced, the floor area for stacking a plurality of the herringbone ladders is saved, one side of the bottom rod 14, which is far away from the extension rod 3, is fixedly provided with a second clamping plate 15, the inner walls of the upper end and the lower end of the second clamping plate 15 are fixedly sleeved with a second round rod 16, the outer wall of the second round rod 16 is movably sleeved with a second movable rod 17 positioned outside the second clamping plate 15, the end of the second movable rod 17, which is far away from the second round rod 16, is movably sleeved with a second positioning rod 18, the front end and the rear end of the second positioning rod 18 are fixedly provided with second handrails 19, the protection effect of the second handrails 19 on the bottom rod 14 is utilized, the problem that the bottom rod 14 is not provided with safety protection measures is effectively solved, the use safety of the herringbone ladder by a user is improved, and the risk of accidents of the user is reduced, no. two lower bottom surface swing joint of movable rod 17 has No. two stoppers 20 that are located No. two round bars 16 below, and No. two stoppers are spacing to No. two movable rod 17, and No. one lower bottom surface swing joint of movable rod 6 has a stopper 21 that is located No. one round bar 5 below, and stopper 21 plays the restriction to the motion range of movable rod 6.

The left end and the right end of the support frame 1 are provided with two concave grooves, the front side and the rear side of the inner wall of each concave groove of the support frame 1 are fixedly connected with the front end and the rear end of the connecting rod 2, and the installation stability of the connecting rod 2 is reinforced by the arrangement of the grooves.

Wherein, the cylinder hole has been seted up to one side that extension rod 3 was kept away from to fixed block 9, and the inner wall in cylinder hole cup joints with the outer wall activity of fixture block 12, and the offering of cylinder hole provides the export for the motion of fixture block 12, and the corresponding spout in position has been seted up to the upper and lower both sides of fixed block 9 inner wall, and the inner wall of spout cup joints with the outer wall activity of T shape pole 13, and the offering of spout provides support and platform for the motion of T shape pole 13.

Wherein, spring 11's one end and one side fixed connection of fixed block 9 inner wall, spring 11 keep away from one end of fixed block 9 and one side fixed connection of fixture block 12 inner wall, utilize spring 11's elasticity to change the position of fixture block 12, realize the effect of being connected and separating between extension rod 3 and the sill bar 14, spring 11's inside and the outer wall activity of telescopic link 10 are cup jointed.

Wherein, the rotation hole has been seted up to the upper end of sill bar 14, and the inner wall in rotation hole cup joints with the outer wall activity of connecting rod 2, and the corresponding card hole in position has been seted up to the left and right sides of sill bar 14, and the inner wall in card hole and the outer wall activity joint of fixture block 12, and the connected mode of activity joint provides the support for being connected between fixture block 12 and the sill bar 14, and the one end that connecting rod 2 was kept away from to sill bar 14 scribbles the skid resistant course, and the setting of skid resistant course has increased the stability of double ladder.

The back of the second limiting block 20 is fixedly connected with the front of the second clamping plate 15, the upper surface of the second limiting block 20 is movably connected with the lower bottom surface of the second movable rod 17, and the second limiting block 20 is mounted to limit the motion range of the second movable rod 17, so that the second movable rod 17 can move ninety degrees all the time.

The working principle is as follows: when the extension rod 3 is pulled to even a required length, the extension rod 10 is driven to move by the elasticity of the spring 11, the clamping of the clamping block 12 and the clamping hole of the bottom rod 14 is realized, then, after the extension rod 3 is clamped with the bottom rod 14, the second handrail 19 and the bottom rod 14 are pulled in the horizontal direction, the second handrail 19 moves while driving the second movable rod 17 to move until the surfaces of the second movable rod 17 and the second limiting block 20 are clamped, the position of the second handrail 19 is fixed, then, the first handrail 8 is pulled by the same steps, so that the positions of the first handrail 8 and the first limiting block 21 are fixed, and finally, a user can use the herringbone ladder after all the parts are connected and fixed.

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. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a telescopic insulating double ladder, includes support frame (1), its characterized in that: the inner parts of the left side and the right side of the support frame (1) are fixedly provided with connecting rods (2), the number of the connecting rods (2) is two, extension rods (3) are sleeved on the outer wall of the connecting rods (2) in a movable mode, first clamping plates (4) are fixedly arranged on the left side and the right side of the extension rods (3), first round rods (5) are fixedly sleeved on the inner parts of the upper ends and the lower ends of the first clamping plates (4), first movable rods (6) positioned on the outer portions of the first clamping plates (4) are sleeved on the outer wall of the first round rods (5), first positioning rods (7) are sleeved on the inner wall of the first movable rods (6) far away from one ends of the first round rods (5) in a movable mode, first handrails (8) are fixedly arranged at the front ends and the rear ends of the first positioning rods (7), and fixing blocks (9) are fixedly arranged on the left side and the right side of the extension rods (3) far away from one ends of the connecting rods (2), one side of the inner wall of the fixed block (9) is fixedly provided with a telescopic rod (10), the outer wall of the telescopic rod (10) is movably sleeved with a spring (11), the outer wall of the telescopic rod (10), which is far away from one end of the fixed block (9), is fixedly sleeved with a clamping block (12), the upper side and the lower side of the clamping block (12) are fixedly provided with T-shaped rods (13) which are positioned inside the fixed block (9), the outer wall of each T-shaped rod (13) is movably clamped with a bottom rod (14) which is positioned outside the extension rod (3), one side of the bottom rod (14), which is far away from the extension rod (3), is fixedly provided with a second clamping plate (15), the inner walls of the upper end and the lower end of the second clamping plate (15) are fixedly sleeved with a second round rod (16), the outer wall of the second round rod (16) is movably sleeved with a second movable rod (17), the second movable rod (17), which is far away from one end of the second round rod (16), is movably sleeved with a second positioning rod (18), no. two handrail (19) are fixedly mounted at the front and back both ends of No. two locating lever (18), the lower bottom surface swing joint of No. two movable rods (17) has No. two stopper (20) that are located No. two round bar (16) below, the lower bottom surface swing joint of a movable rod (6) has stopper (21) that are located a round bar (5) below.

2. The telescopic insulating herringbone ladder of claim 1, wherein: the support frame is characterized in that the left end and the right end of the support frame (1) are provided with two concave grooves, and the front side and the rear side of the inner wall of each concave groove of the support frame (1) are fixedly connected with the front end and the rear end of the connecting rod (2).

3. The telescopic insulating herringbone ladder of claim 1, wherein: one side of the fixed block (9) far away from the extension rod (3) is provided with a cylindrical hole, the inner wall of the cylindrical hole is movably sleeved with the outer wall of the fixture block (12), the upper side and the lower side of the inner wall of the fixed block (9) are provided with sliding grooves corresponding in position, and the inner wall of each sliding groove is movably sleeved with the outer wall of the T-shaped rod (13).

4. The telescopic insulating herringbone ladder of claim 1, wherein: one end of spring (11) and one side fixed connection of fixed block (9) inner wall, one end that fixed block (9) were kept away from in spring (11) and one side fixed connection of fixture block (12) inner wall, the inside of spring (11) cup joints with the outer wall activity of telescopic link (10).

5. The telescopic insulating herringbone ladder of claim 1, wherein: the rotation hole has been seted up to the upper end of sill bar (14), and the inner wall in rotation hole cup joints with the outer wall activity of connecting rod (2), the corresponding card hole in position has been seted up to the left and right sides of sill bar (14), and the inner wall in card hole and the outer wall activity joint of fixture block (12), the one end that connecting rod (2) were kept away from in sill bar (14) scribbles the skid resistant course.

6. The telescopic insulating herringbone ladder of claim 1, wherein: the back of No. two stopper (20) and the front fixed connection of No. two splint (15), the upper surface of No. two stopper (20) and the lower bottom surface swing joint of No. two movable rod (17).

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