CN212654276U

CN212654276U - Lifting electric ladder

Info

Publication number: CN212654276U
Application number: CN202021228578.XU
Authority: CN
Inventors: 路春华
Original assignee: Zhejiang Yaoou Auto Parts Co ltd
Current assignee: Zhejiang Yaoou Auto Parts Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-03-05
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses a lift electric ladder, it can realize electric lift through the motor. An electric elevator comprises two oppositely arranged mounting seats fixed on the lower surface of a platform; a motor is fixed on the inner wall of one mounting seat, an output shaft of the motor penetrates through the mounting seat and is connected with one short pull rod, the output shaft of the motor drives the short pull rod to rotate, and the other mounting seat penetrates through a rivet and is hinged with the other short pull rod; the two short pull rods are respectively hinged with the first-stage bent pipes, and a first-stage pedal is fixedly connected between the two first-stage bent pipes; the two first-stage bent pipes are respectively hinged with a middle pull rod; the two middle pull rods are respectively hinged with the two secondary bent pipes, and a secondary pedal is fixedly connected between the two secondary bent pipes; the two mounting seats are respectively hinged with a long pull rod, and the two long pull rods are respectively hinged with a primary bent pipe and a secondary bent pipe; the motor drives the first-stage pedal to rotate through the short pull rod, the first-stage bent pipe drives the second-stage pedal to rotate through the middle pull rod, and the long pull rod limits the first-stage bent pipe and the second-stage bent pipe.

Description

Lifting electric ladder

Technical Field

The utility model belongs to the technical field of the ladder, specifically speaking relates to a lift electric ladder.

Background

The aluminum alloy ladder is made of high-strength aluminum alloy sections; the weight is light; the carrying is convenient; the advanced square tube extrusion riveting technology has good safety; the motor home, also called as "home on wheel", has two functions of "house" and "car", but its attribute is also car, is a kind of movable car with essential basic facilities at home.

The chassis of car as a house all is very high, and in order to realize personnel business turn over carriage, the vehicle generally is equipped with simple and easy ladder, and supplementary people's car as a house from top to bottom, simple and easy ladder has following defect: the whole extension can be realized only by stretching the ladder by hands of a user, and the ladder can be pushed and folded by the user when not used, so that the electric lifting can not be realized, and the use is inconvenient.

Disclosure of Invention

The utility model aims at providing a lift electric ladder, it can realize electric lift through the motor.

In order to solve the technical problem, the purpose of the utility model is to realize like this:

an electric elevator comprises two oppositely arranged mounting seats fixed on the lower surface of a platform; a motor is fixed on the inner wall of one mounting seat, an output shaft of the motor penetrates through the mounting seat and is connected with one short pull rod, the output shaft of the motor drives the short pull rod to rotate, and the other mounting seat penetrates through a rivet and is hinged with the other short pull rod; the two short pull rods are respectively hinged with the first-stage bent pipes, and a first-stage pedal is fixedly connected between the two first-stage bent pipes; the two first-stage bent pipes are respectively hinged with a middle pull rod; the two middle pull rods are respectively hinged with the two secondary bent pipes, and a secondary pedal is fixedly connected between the two secondary bent pipes; the two mounting seats are respectively hinged with a long pull rod, and the two long pull rods are respectively hinged with a primary bent pipe and a secondary bent pipe; the motor drives the first-stage pedal to rotate through the short pull rod, the first-stage bent pipe drives the second-stage pedal to rotate through the middle pull rod, and the long pull rod limits the first-stage bent pipe and the second-stage bent pipe.

On the basis of the above scheme and as a preferable scheme of the scheme: the section of the output shaft of the motor is polygonal, and a polygonal through hole matched with the output shaft of the motor is formed in the head of the short pull rod; the bolt passes through the mounting seat and the shell of the motor and is screwed into the nut for fixing.

On the basis of the above scheme and as a preferable scheme of the scheme: two short pull rods are connected to one mounting seat and are respectively arranged on two sides of the mounting seat.

On the basis of the above scheme and as a preferable scheme of the scheme: the tail parts of the two short pull rods clamp the head part of one primary bent pipe and penetrate through the rivet to be fixed.

On the basis of the above scheme and as a preferable scheme of the scheme: the mounting seat is connected with two long pull rods, the heads of the two long pull rods clamp the mounting seat and penetrate through the rivet to be fixed, the middle parts of the two long pull rods clamp the middle part of a primary bent pipe and penetrate through the rivet to be fixed, and the tail parts of the two long pull rods clamp the head part of a secondary bent pipe and penetrate through the rivet to be fixed; two middle pull rods are connected to one primary bent pipe, the head portions of the two middle pull rods clamp the tail portion of one primary bent pipe and penetrate through the rivet to be fixed, and the tail portions of the two middle pull rods clamp the middle portion of one secondary bent pipe and penetrate through the rivet to be fixed.

On the basis of the above scheme and as a preferable scheme of the scheme: the mounting seat comprises a rectangular shell, the motor is fixed on the rectangular shell, a first plate body extends out of the top of the rectangular shell, and a plurality of side-by-side waist-shaped holes are formed in the first plate body.

On the basis of the above scheme and as a preferable scheme of the scheme: the one-level footboard and second grade footboard all are including being used for pedal second plate body, and a plurality of cylinders side by side of the lower surface protrusion of second plate body, and the screw passes the one-level return bend and is connected with the cylinder, and the screw passes the second grade return bend and is connected with the cylinder.

On the basis of the above scheme and as a preferable scheme of the scheme: a connecting pipe is connected between the two mounting seats.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

the two mounting seats of the lifting electric ladder are fixed on the chassis of the motor home or other required positions, so that the application range is wider; one of the mounting seats is provided with a motor, the motor drives a short pull rod to rotate, and the short pull rod is hinged with a first-stage pedal and a second-stage pedal to realize electric lifting of the ladder; the ladder can be folded or unfolded through the motor;

the long pull rod is hinged with the first-stage bent pipe and the second-stage bent pipe to hang the first-stage pedal and the second-stage pedal, the short pull rod and the middle pull rod are folded or extended, the structure is simple and compact, the production and the manufacture are convenient, and the installation is simple;

the short pull rod, the middle pull rod and the long pull rod are in double parts, so that better connection guarantee is achieved;

drawings

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

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a schematic diagram of the overall explosion structure of the present invention.

Fig. 4 is a schematic view of the short pull rod structure of the present invention.

Fig. 5 is a schematic structural diagram of the mounting seat of the present invention.

Fig. 6 is a schematic view of the pedal structure of the present invention.

Reference numerals: a mounting base 01; a rectangular housing 010; a first plate body 011; a kidney-shaped hole 0110; a motor 02; a short tie rod 03; a polygonal through-hole 030; a primary bend pipe 04; a first-level pedal 05; a second plate body 050; a cylinder 051; a middle pull rod 06; a secondary bend 07; a secondary pedal 08; a long pull rod 09; a connecting pipe 10;

Detailed Description

The present invention will be further described with reference to the following detailed description;

the embodiment provides an electric elevator, which comprises two oppositely arranged mounting seats 01 fixed on the lower surface of a platform; as mentioned above, the platform may be a chassis of a caravan referred to in the background art, or other positions with height difference, and a ladder needs to be installed for transition walking, so that the application range is wide; the mounting seat 01 is made of an aluminum alloy material;

the inner wall of one mounting seat 01 is fixed with a motor 02, the motor 02 is a common speed reducing motor 02, an output shaft of the motor 02 penetrates through the mounting seat 01 to be connected with a short pull rod 03, the short pull rod 03 is in a long strip shape, the output shaft of the motor 02 drives the short pull rod 03 to rotate, and the output shaft of the motor 02 is embedded in the short pull rod 03 to achieve the effect of driving rotation; the section of an output shaft of the motor 02 is polygonal, a polygonal through hole 030 is formed in the head of the short pull rod 03 and is matched with the output shaft of the motor 02, when the output shaft of the motor 02 rotates, the polygonal through hole 030 is limited, so that the output shaft can be driven to rotate, and the polygonal through hole 030 can be triangular, rectangular and the like; in another embodiment, a pin is used to penetrate through the short pull rod 03 and the output shaft of the motor 02 to form fixation; the bolt penetrates through the mounting seat 01 and the shell of the motor 02 and is screwed into the nut for fixing, and in another embodiment, the shell of the motor 02 can be welded on the base;

the other mounting seat 01 is hinged with the other short pull rod 03 through a rivet; the other short pull rod 03 is hinged on the other mounting base 01 through a rivet, and the other short pull rod 03 rotates on the other mounting base 01 around the rivet;

the two short pull rods 03 are respectively hinged with a primary bent pipe 04, the primary bent pipe 04 is formed by bending a square pipe profile, and a primary pedal 05 is fixedly connected between the two primary bent pipes 04; as described above, the short pull rod 03 effectively drives the first-stage bent pipe 04 to rotate, so that the first-stage pedal 05 rotates;

the two first-stage bent pipes 04 are respectively hinged with the middle pull rod 06; the two middle pull rods 06 are respectively hinged with the two secondary bent pipes 07, and a secondary pedal 08 is fixedly connected between the two secondary bent pipes 07; as described above, the middle pull rod 06 drives the secondary bent pipe 07 to rotate, so as to rotate the secondary pedal 08; therefore, when the first-stage pedal 05 rotates, the second-stage pedal 08 also rotates along with the first-stage pedal, and the effect of electric lifting is achieved;

the two mounting seats 01 are respectively hinged with long pull rods 09, and the two long pull rods 09 are respectively hinged with a primary bent pipe 04 and a secondary bent pipe 07; the long pull rod 09 limits the first-stage bent pipe 04 and the second-stage bent pipe 07, and the first-stage bent pipe 04 and the second-stage bent pipe 07 are hung to form a quadrangle, so that the effect of folding or extending the pedal can be achieved;

the motor 02 drives the first-stage pedal 05 to rotate through the short pull rod 03, the first-stage bent pipe 04 drives the second-stage pedal 08 to rotate through the middle pull rod 06, and the long pull rod 09 limits the first-stage bent pipe 04 and the second-stage bent pipe 07;

as described above, the novel electric lifting is realized through the motor 02, manual stretching or pushing is replaced, and the use is more convenient;

further, two short pull rods 03 are connected to one mounting seat 01, and the two short pull rods 03 are respectively arranged on two sides of the mounting seat 01; as described above, two short pull rods 03 are used for clamping one mounting seat 01, and in order to ensure the rotating firmness of the short pull rods 03, the short pull rods 03 are used as a power source at the initial position, so that the two short pull rods 03 can bear better force; an output shaft of the motor 02 penetrates through the two short pull rods 03 to be fixedly connected with the mounting seat 01, and the rivet penetrates through the two short pull rods 03 to be fixedly connected with the mounting seat 01;

furthermore, the tail parts of the two short pull rods 03 clamp the head part of one primary bent pipe 04 and penetrate through the rivet for fixing; as described above, the two short pull rods 03 can easily drive the first-stage bent pipe 04 to rotate, and the stress is uniform;

furthermore, two long pull rods 09 are connected to one mounting seat 01, the heads of the two long pull rods 09 clamp one mounting seat 01 and penetrate through the rivet to be fixed, the middle parts of the two long pull rods 09 clamp the middle part of one primary bent pipe 04 and penetrate through the rivet to be fixed, and the tails of the two long pull rods 09 clamp the head of one secondary bent pipe 07 and penetrate through the rivet to be fixed; two middle pull rods 06 are connected to one primary bent pipe 04, the head parts of the two middle pull rods 06 clamp the tail part of one primary bent pipe 04 and penetrate through the rivet for fixation, and the tail parts of the two middle pull rods 06 clamp the middle part of one secondary bent pipe 07 and penetrate through the rivet for fixation; as described above, the two long pull rods 09 and the two middle pull rods 06 are adopted, so that the connection firmness is dual guaranteed, the stress is uniform in the rotating process, and the steel wire rope is not easy to break

Further, the mounting seat 01 comprises a rectangular shell 010, the motor 02 is fixed on the rectangular shell 010, a first plate body 011 extends from the top of the rectangular shell 010, and a plurality of side-by-side waist-shaped holes 0110 are formed in the first plate body 011; as described above, the mounting seat 01 adopts the rectangular housing 010, which is different from a solid block or a plate body, if the solid block is heavy, the solid block is inconvenient to carry and install, the plate body is too thin, and the firmness of the two short pull rods 03 and the motor 02 is not enough, so the rectangular housing 010 is more suitable; the first plate body 011 is attached to the lower surface of the platform, and the waist-shaped hole 0110 is used for installing a bolt in a penetrating manner and can be adjusted to be installed at different positions;

further, the first-stage pedal 05 and the second-stage pedal 08 both comprise a second plate body 050 for pedaling, a plurality of side-by-side columns 051 protrude from the lower surface of the second plate body 050, screws penetrate through the first-stage bent pipe 04 to be connected with the columns 051, and screws penetrate through the second-stage bent pipe 07 to be connected with the columns 051; as described above, the cylinder 051 not only plays a role of connection, but also has an effect of increasing the strength for the second plate body 050; the second plate body 050 is tightly attached between the two bent pipes;

further, a connecting pipe 10 is connected between the two mounting seats 01; the connecting pipe 10 can be fixed on the mounting seats 01 in a welding mode or connected by penetrating bolts, and the connecting pipe 10 plays a role in drawing and fixing the two mounting seats 01, so that the whole stability is improved;

in the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, or the orientation or position relationship that one skilled in the art conventionally understands, and are only for convenience of describing the present invention and simplifying the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a lift escalator which characterized in that: comprises two oppositely arranged mounting seats fixed on the lower surface of a platform;

a motor is fixed on the inner wall of one mounting seat, an output shaft of the motor penetrates through the mounting seat and is connected with one short pull rod, the output shaft of the motor drives the short pull rod to rotate, and the other mounting seat penetrates through a rivet and is hinged with the other short pull rod;

the two short pull rods are respectively hinged with the first-stage bent pipes, and a first-stage pedal is fixedly connected between the two first-stage bent pipes; the two first-stage bent pipes are respectively hinged with a middle pull rod;

the two middle pull rods are respectively hinged with the two secondary bent pipes, and a secondary pedal is fixedly connected between the two secondary bent pipes;

the two mounting seats are respectively hinged with a long pull rod, and the two long pull rods are respectively hinged with a primary bent pipe and a secondary bent pipe;

the motor drives the first-stage pedal to rotate through the short pull rod, the first-stage bent pipe drives the second-stage pedal to rotate through the middle pull rod, and the long pull rod limits the first-stage bent pipe and the second-stage bent pipe.

2. The elevating powered ladder of claim 1, wherein: the section of the output shaft of the motor is polygonal, and a polygonal through hole matched with the output shaft of the motor is formed in the head of the short pull rod; the bolt passes through the mounting seat and the shell of the motor and is screwed into the nut for fixing.

3. The elevator escalator as claimed in claim 2, wherein: two short pull rods are connected to one mounting seat and are respectively arranged on two sides of the mounting seat.

4. The elevating powered ladder of claim 3, wherein: the tail parts of the two short pull rods clamp the head part of one primary bent pipe and penetrate through the rivet to be fixed.

5. The elevating powered ladder of claim 1, wherein: the mounting seat is connected with two long pull rods, the heads of the two long pull rods clamp the mounting seat and penetrate through the rivet to be fixed, the middle parts of the two long pull rods clamp the middle part of a primary bent pipe and penetrate through the rivet to be fixed, and the tail parts of the two long pull rods clamp the head part of a secondary bent pipe and penetrate through the rivet to be fixed; two middle pull rods are connected to one primary bent pipe, the head portions of the two middle pull rods clamp the tail portion of one primary bent pipe and penetrate through the rivet to be fixed, and the tail portions of the two middle pull rods clamp the middle portion of one secondary bent pipe and penetrate through the rivet to be fixed.

6. The elevating powered ladder of claim 1, wherein: the mounting seat comprises a rectangular shell, the motor is fixed on the rectangular shell, a first plate body extends out of the top of the rectangular shell, and a plurality of side-by-side waist-shaped holes are formed in the first plate body.

7. The elevating powered ladder of claim 1, wherein: the one-level footboard and second grade footboard all are including being used for pedal second plate body, and a plurality of cylinders side by side of the lower surface protrusion of second plate body, and the screw passes the one-level return bend and is connected with the cylinder, and the screw passes the second grade return bend and is connected with the cylinder.

8. The elevating powered ladder of claim 6, wherein: a connecting pipe is connected between the two mounting seats.