CN215408421U

CN215408421U - Ladder convenient to lift and adjust

Info

Publication number: CN215408421U
Application number: CN202121362749.2U
Authority: CN
Inventors: 周子晴
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-01-04
Anticipated expiration: 2031-06-18

Abstract

Ladder convenient to lift adjustment, including base and motor, the base top surface is fixed with the motor, base top surface vertical fixation has adjustment mechanism, the motor rotates the end and connects inside adjustment mechanism, adjustment mechanism one side is pegged graft along vertical direction and is had the backup pad, backup pad lateral wall vertical fixation has the flat board, the flat board is kept away from backup pad one side and is connected with inside adjustable companion ladder, the companion ladder bottom rotates to be connected in the base lateral wall. The lifting ladder is controlled to lift through the adjusting mechanism, and after the lifting height is determined, the interior of the lifting ladder is adjusted and fixed, so that the stability of ladder support is ensured; and can expand the extension with the companion ladder simultaneously, make the operator can stably stand on the flat board, increased the observation scope on the ladder, make operator's observation and maintenance operation more convenient.

Description

Ladder convenient to lift and adjust

Technical Field

The utility model belongs to the technical field of life tools, and particularly relates to a ladder convenient to adjust in a lifting mode.

Background

The ladder is a very common tool in our daily life, the ladder can be used for people to reach high places, the ladder is widely applied to factory processing and production, particularly, equipment at the high places can be maintained through the ladder, the production condition can be observed from top to bottom through overlooking, and the ladder is very convenient.

However, after a general lifting ladder is lifted, an operator can stand on the ladder, so that the gravity of the ladder is increased, and the connection position of the ladder for lifting is easily deformed and damaged under the pressure of the gravity, so that the lifting adjustment of the ladder is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a ladder convenient for lifting adjustment, and the specific technical scheme is as follows:

ladder convenient to lift adjustment, including base and motor, the base top surface is fixed with the motor, base top surface vertical fixation has adjustment mechanism, the motor rotates the end and connects inside adjustment mechanism, adjustment mechanism one side is pegged graft along vertical direction and is had the backup pad, backup pad lateral wall vertical fixation has the flat board, the flat board is kept away from backup pad one side and is connected with inside adjustable companion ladder, the companion ladder bottom rotates to be connected in the base lateral wall.

Further, adjustment mechanism includes the mount, follows driving wheel, conveying strip, push pedal and action wheel, mount vertical fixation is in the base top surface, inside being provided with of mount follows driving wheel and action wheel, set up in the action wheel top from the driving wheel, be connected with the conveying strip between follow driving wheel and the action wheel, conveying strip one side is fixed with the push pedal, the push pedal top surface is connected with the backup pad, action wheel one side is connected with the motor.

Further, the elevator includes inner ladder and outer ladder, outer ladder bottom articulates in the base lateral wall, outer ladder inboard is pegged graft and is had the inner ladder, the inner ladder top articulates in dull and stereotyped lateral wall.

Furthermore, the elevator further comprises a supporting rod and a rotating control assembly, one side of the rotating control assembly is hinged to the side wall of the inner elevator, a torsion spring on one side, far away from the inner elevator, of the rotating control assembly is rotatably connected with the supporting rod, and one end of the supporting rod is perpendicularly inserted into the top surface of the supporting plate.

Furthermore, the rotary control assembly comprises a connecting rod, a rotary column, a pull rope, a clamping block, a spring and a fixed pulley, the rotary column is inserted into the inner ladder, the connecting rod is fixed at one end of the rotary column, the pull rope is wound on the side wall of the rotary column, the clamping block is inserted into the side wall of the inner ladder, the spring is connected between the clamping block and the inner ladder, the fixed pulley is arranged on the horizontal central line of the clamping block in the inner ladder, the pull rope runs through the inner ladder to be attached to the side wall of the fixed pulley in a turning mode, the end portion of the pull rope is connected to the side wall of the clamping block, a clamping groove is formed in the inner side of the inner ladder, and the clamping block is inserted into the clamping groove.

Furthermore, the rotation control assembly further comprises two retaining rings, the retaining rings are fixed on the side wall of the rotating column, and the pull rope is wound between the two retaining rings.

The utility model has the beneficial effects that:

1. the lifting ladder is controlled to lift through the adjusting mechanism, and after the lifting height is determined, the interior of the lifting ladder is adjusted and fixed, so that the stability of the ladder support is ensured;

2. and can expand the extension with the companion ladder simultaneously, make the operator can stably stand on the flat board, increased the observation scope on the ladder, make operator's observation and maintenance operation more convenient.

Drawings

FIG. 1 is a schematic view of the overall configuration of the ladder of the present invention to facilitate lift adjustment;

FIG. 2 is a cross-sectional view showing the internal structure of the adjusting mechanism of the present invention;

FIG. 3 is a cross-sectional view showing a connection structure of a supporting plate and a push plate according to the present invention;

figure 4 shows a cross-sectional view of the elevator attachment of the present invention;

FIG. 5 shows a schematic view of the utility model at a partially enlarged configuration;

FIG. 6 is a schematic view of the present invention showing a partial enlarged structure at B;

shown in the figure: 1. a base; 2. a motor; 3. an adjustment mechanism; 31. a fixed mount; 32. a driven wheel; 33. a transfer bar; 34. pushing the plate; 35. a driving wheel; 4. a support plate; 5. a flat plate; 6. an elevator; 61. a strut; 62. a transfer control component; 621. a connecting rod; 622. turning the column; 623. a baffle ring; 624. pulling a rope; 625. a clamping block; 626. a spring; 627. a fixed pulley; 63. an inner ladder; 64. an outer ladder; 641. a clamping groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The ladder convenient to lift and adjust comprises a base 1 and a motor 2, wherein the motor 2 is fixed on the top surface of the base 1, an adjusting mechanism 3 is vertically fixed on the top surface of the base 1, the rotating end of the motor 2 is connected inside the adjusting mechanism 3, a supporting plate 4 is inserted into one side of the adjusting mechanism 3 along the vertical direction, a flat plate 5 is vertically fixed on the side wall of the supporting plate 4, one side of the flat plate 5, far away from the supporting plate 4, is connected with an internally adjustable elevator 6, and the bottom end of the elevator 6 is rotatably connected to the side wall of the base 1; the lifting ladder is controlled to lift through the adjusting mechanism, and after the lifting height is determined, the interior of the lifting ladder is adjusted and fixed, so that the stability of the ladder support is ensured; and can expand the extension with the companion ladder simultaneously, make the operator can stably stand on the flat board, increased the observation scope on the ladder, make operator's observation and maintenance operation more convenient.

As shown in fig. 2 and 3, the adjusting mechanism 3 includes a fixing frame 31, a driven wheel 32, a transmission strip 33, a pushing plate 34 and a driving wheel 35, the fixing frame 31 is vertically fixed on the top surface of the base 1, the driven wheel 32 and the driving wheel 35 are arranged inside the fixing frame 31, the driven wheel 32 is arranged on the top of the driving wheel 35, the transmission strip 33 is connected between the driven wheel 32 and the driving wheel 35, the pushing plate 34 is fixed on one side of the transmission strip 33, the top surface of the pushing plate 34 is connected with a supporting plate 4, and one side of the driving wheel 35 is connected with a motor 2; the conveying strip is controlled to move in the fixing frame, so that the push plate upwards pushes the support plate to move to lift, the operation is simple, and the support plate can stably lift.

As shown in fig. 3, the elevator 6 comprises an inner ladder 63 and an outer ladder 64, the bottom end of the outer ladder 64 is hinged to the side wall of the base 1, the inner ladder 63 is inserted into the inner side of the outer ladder 64, and the top end of the inner ladder 63 is hinged to the side wall of the flat plate 5; the inner ladder and the outer ladder which are spliced together can be unfolded when the adjusting mechanism goes up and down, so that the inner ladder can play a role in going up and down, and the operation is simple.

The elevator 6 further comprises a support rod 61 and a rotation control assembly 62, one side of the rotation control assembly 62 is hinged to the side wall of the inner elevator 63, a torsion spring on one side, far away from the inner elevator 63, of the rotation control assembly 62 is rotatably connected with the support rod 61, and one end of the support rod 61 is vertically inserted into the top surface of the support plate 4; the rotation control assembly is rotated on the side wall of the inner ladder, the supporting columns are unfolded and inserted on the top surface of the supporting plate, so that the flat plate connection structure is more stable, the two sides of the flat plate are protected, and the use safety of the ladder is improved.

As shown in fig. 4 and 5, the rotation control assembly 62 includes a connecting rod 621, a rotating post 622, a pulling rope 624, a fastening block 625, a spring 626 and a fixed pulley 627, the rotating post 622 is inserted into the inner ladder 63, the connecting rod 621 is fixed at one end of the rotating post 622, the pulling rope 624 is wound around the side wall of the rotating post 622, the fastening block 625 is inserted into the side wall of the inner ladder 63, the spring 626 is connected between the fastening block 625 and the inner ladder 63, the fixed pulley 627 is arranged on the horizontal central line of the fastening block 625 inside the inner ladder 63, the pulling rope 624 rotates to fit the side wall of the fixed pulley 627 by passing through the inner ladder 63, the end of the pulling rope 624 is connected to the side wall of the fastening block 625, a fastening groove 641 is arranged on the inner side of the inner ladder 63, and the fastening block 625 is inserted into the fastening groove 641; rotate the connecting rod at the lateral wall of inner ladder to when making branch peg graft and strengthen fixedly in the backup pad, the rotary column rotates in the inside of inner ladder, carries out the unwrapping wire to the stay cord, utilizes the elasticity of spring to stretch out the fixture block from the lateral wall of inner ladder, and plug connects in the inside of draw-in groove, restricts fixedly to the hookup location of inner ladder and outer ladder, thereby strengthens the stability of going up and down back ladder.

The rotation control assembly 62 further comprises two retaining rings 623, the two retaining rings 623 are fixed on the side wall of the rotating column 622, and the pull rope 624 is wound between the two retaining rings 623; utilize the retaining ring to restrict the receipts line position of stay cord, avoid the stay cord dead condition of card to appear, guaranteed rotary column pivoted flexibility to the stability of stay cord to the fixture block pulling has been guaranteed.

In the practice of the present invention, the catalyst is,

firstly, moving the ladder base 1 to be placed beside equipment according to the figure 1, enabling one side of a fixing frame 31 of an adjusting mechanism 3 to be close to the equipment, and simultaneously carrying out lifting control on a supporting plate 4 and a connected elevator 6 by using the adjusting mechanism 3;

then when the adjusting mechanism 3 is adjusted according to fig. 2 and 3, the motor 2 is started first, so that the motor 2 drives the driving wheel 35 to rotate, the transmission strip 33 rotates on the driving wheel 35 and the driven wheel 32 together, the transmission strip 33 moves upwards, the driving wheel 35 and the driven wheel 32 both adopt gears, the transmission strip 33 is an annular closed rack which is engaged with the gear teeth on the driving wheel 35 and the driven wheel 32 in a matching way, and the fixed push plate 34 pushes the support plate 4 upwards to move;

then the supporting plate 4 drives the flat plate 5 upwards to move upwards according to the figures 1, 4, 5 and 6, the flat plate 5 pulls the inner ladder 63 of the elevator 6 upwards to be drawn out from the inner part of the outer ladder 64, then, the link 621 of the rotation control assembly 62 is rotated on the inner ladder 63, so that the rotary post 622 rotates inside the outer ladder 64, the pulling rope 624 wound around the rotary post 622 is paid out between the two retaining rings 623, the pulling rope 624 passes through the inside of the outer ladder 64 to the bottom position, the pulling rope 624 is turned by the fixed pulley 627, the pulling force to the block 625 is released, so that the spring 626 compressed between the latch 625 and the inner ladder 63 pushes the latch 625 by an elastic force, so that the latch 625 is protruded from the inside of the inner ladder 63, and is latched into the latch groove 641 at the inside of the outer ladder 64, therefore, the connecting positions of the inner ladder 63 and the outer ladder 64 are fixed, so that the gravity borne by the adjusting mechanism 3 can be reduced, and the stability of the lifting structure of the ladder is ensured;

rotate on the platform at connecting rod 621 and slope, then go up out the branch 61 that the torsional spring rotation is connected from connecting rod 621 to peg graft the top surface at backup pad 4 with branch 61 bottom, thereby form triangular guardrail structure, climb back on interior ladder 63 reachs dull and stereotyped 5 at the operator, can protect both sides, make the operator can carry out the operation and the observation of more nearly a bit from equipment.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included therein.

Claims

1. Ladder convenient to lift adjustment, its characterized in that: including base (1) and motor (2), base (1) top surface is fixed with motor (2), base (1) top surface vertical fixation has adjustment mechanism (3), motor (2) rotation end is connected inside adjustment mechanism (3), it has backup pad (4) to peg graft along vertical direction in adjustment mechanism (3) one side, backup pad (4) lateral wall vertical fixation has dull and stereotyped (5), backup pad (4) one side is kept away from in dull and stereotyped (5) is connected with inside adjustable companion ladder (6), companion ladder (6) bottom is rotated and is connected in base (1) lateral wall.

2. A ladder as set forth in claim 1 wherein: adjustment mechanism (3) include mount (31), follow driving wheel (32), conveying strip (33), push pedal (34) and action wheel (35), mount (31) vertical fixation is in base (1) top surface, mount (31) inside is provided with from driving wheel (32) and action wheel (35), set up in action wheel (35) top from driving wheel (32), be connected with conveying strip (33) between follow driving wheel (32) and action wheel (35), conveying strip (33) one side is fixed with push pedal (34), push pedal (34) top surface is connected with backup pad (4), action wheel (35) one side is connected with motor (2).

3. A ladder as set forth in claim 1 wherein: the elevator (6) comprises an inner elevator (63) and an outer elevator (64), the bottom end of the outer elevator (64) is hinged to the side wall of the base (1), the inner elevator (63) is inserted into the inner side of the outer elevator (64), and the top end of the inner elevator (63) is hinged to the side wall of the flat plate (5).

4. A ladder as set forth in claim 3 wherein: the elevator (6) further comprises a supporting rod (61) and a rotation control assembly (62), one side of the rotation control assembly (62) is hinged to the side wall of the inner elevator (63), a torsion spring at one side, far away from the inner elevator (63), of the rotation control assembly (62) is rotatably connected with the supporting rod (61), and one end of the supporting rod (61) is perpendicularly inserted into the top surface of the supporting plate (4).

5. A ladder as set forth in claim 4 wherein: the rotation control component (62) comprises a connecting rod (621), a rotating column (622), a pull rope (624), a clamping block (625), a spring (626) and a fixed pulley (627), the rotating column (622) is inserted into the inner ladder (63), one end of the rotating column (622) is fixed with a connecting rod (621), a pull rope (624) is wound on the side wall of the rotating column (622), the fixture block (625) is inserted into the side wall of the inner ladder (63), a spring (626) is connected between the fixture block (625) and the inner part of the inner ladder (63), a fixed pulley (627) is arranged on the horizontal middle line of the clamping block (625) in the inner ladder (63), the pull rope (624) runs through the inner ladder (63) and turns to be attached to the side wall of the fixed pulley (627), the end part of the pull rope (624) is connected to the side wall of the clamping block (625), the inner side of the inner ladder (63) is provided with a clamping groove (641), and the clamping block (625) is inserted into the clamping groove (641).

6. A ladder as set forth in claim 5 wherein: the rotation control assembly (62) further comprises two retaining rings (623), the retaining rings (623) are fixed on the side wall of the rotating column (622), the two retaining rings (623) are arranged at intervals, and the pull rope (624) is wound between the two retaining rings (623).