Foldable pedal and ironing plate thereof

Abstract

The foldable pedal comprises a folding seat, a curved bar is connected to the folding seat in a hinged mode, the curved bar is of a three-section structure comprising a first supporting section, a second supporting section and a pedal section, the first supporting section is parallel to the pedal section, and the second supporting section is perpendicular to the first supporting section and the pedal section; the lower end of the first supporting section is fixedly connected with a first supporting pad, the inner side face of the second supporting section is fixedly connected with a second supporting pad, and the pedal section is fixedly connected with a pedal. According to the foldable footboard, the telescopic section can be rapidly retracted and extended under the condition that the fixed section screed footboard does not need to be detached, the use efficiency is improved, meanwhile, a plurality of supporting pads are arranged on the foldable footboard to be in contact with the fixed section to form a multi-point supporting structure, the structural strength of the foldable footboard is improved, and the situation that stress is concentrated on a rotating shaft when a person stands on the footboard is avoided; on one hand, accidents can be prevented, and on the other hand, mechanical life can be prolonged.

Description

Technical Field

[0001] This utility model relates to the field of paver technology, and more specifically to a foldable pedal and its screed. Background Technology

[0002] Pavers are used in road construction to spread asphalt or water-stabilized mixtures to a certain width and perform initial compaction. Subsequent compaction by a road roller creates a road surface capable of withstanding vehicle loads. The screed, as the working device of the paver, vibrates and compacts the loose mixture, a crucial step in road construction. Telescopic screeds, a common type of screed, offer excellent variable-amplitude construction performance and are frequently used in highway construction, including bridges and tunnels.

[0003] The multi-section screed is assembled to the required paving width using bolts. Each screed section is equipped with a footboard, forming a passageway for workers to access the machine. The end telescopic screed consists of a mechanically assembled section and an end telescopic section, which is installed on the outermost side. The end telescopic screed is further divided into a fixed section and a telescopic section. The fixed section connects to the adjacent mechanically assembled screed section, while the telescopic section can extend outward and retract inward using the sliding track of the fixed section, thus changing the paving width. However, the footboard of the fixed section is mechanically connected to the frame by bolts and is located on the telescopic path of the telescopic section, resulting in limited telescopic range. Therefore, the footboard of the fixed section must be removed before construction, which makes it prone to loss. Utility Model Content

[0004] One advantage of this invention is that it provides a foldable pedal and its ironing plate. The connection between the pedal and the frame is changed from mechanical fixing with bolts to rotation around an axis. In the folded state, a spring pin is used for limiting. The extension and retraction of the telescopic section can be completed quickly without disassembling the fixed section ironing plate pedal, which improves the efficiency of use. At the same time, multiple support pads are set on the foldable pedal to contact the fixed section, forming a multi-point support structure, which improves the structural strength of the foldable pedal and avoids stress concentration on the pivot when a person stands on the pedal. This can prevent accidents and improve the mechanical life.

[0005] To achieve at least one of the advantages of this utility model, this utility model provides a foldable pedal, including a folding seat, on which a crank is hingedly connected. The crank has a three-section structure including a first support section, a second support section, and a pedal section. The first support section and the pedal section are parallel to each other, and the second support section is perpendicular to the first support section and the pedal section. A first support pad is fixedly connected to the lower end of the first support section, a second support pad is fixedly connected to the inner side of the second support section, and a pedal is fixedly connected to the pedal section.

[0006] According to one embodiment of the present invention, the folding seat includes a base plate and an ear plate fixedly disposed on the upper part of the base plate. When the first support section is in a horizontal state, the lower surface of the first support pad and the upper surface of the base plate are on the same horizontal plane.

[0007] According to one embodiment of the present invention, the upper part of the ear plate is provided with a through hole, and a rotating shaft is inserted into the through hole and connected to the crank rod in a hinged manner through the rotating shaft.

[0008] According to one embodiment of the present invention, a first pin hole is provided in the middle of the ear plate, and a second pin hole is provided at one end of the crank rod. When the first support section is in a vertical state, the first pin hole and the second pin hole coincide, and a pin is provided inside the coincident first pin hole and the second pin hole in a detachable manner.

[0009] This utility model also provides an ironing board, including a fixed section and a telescopic section that is movably disposed on one side of the fixed section. A folding seat is fixedly installed on the upper part of the fixed section. When the foldable pedal is in a flat position, the first support pad and the second support pad are in contact with the top surface and the front side of the fixed section, respectively.

[0010] According to one embodiment of the present invention, the folding seat and the corresponding crank are provided in no less than two sets, and several cranks are connected to the pedal in symmetrical positions.

[0011] According to one embodiment of the present invention, when the foldable pedal is in the vertical position, the movement line of the telescopic section does not interfere with the pedal. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is a top view of the structure of this utility model;

[0014] Figure 3 This is a schematic diagram of the foldable pedal structure of this utility model. Figure 1 ;

[0015] Figure 4 This is a schematic diagram of the foldable pedal structure of this utility model. Figure 2 ;

[0016] In the attached diagram: 1. Fixed section, 2. Telescopic section, 3. Foldable pedal, 4. Ear plate, 5. Guide rod, 6. Base plate, 7. First pin hole, 8. Second pin hole, 9. Rotary shaft, 10. Crank rod, 11. First support pad, 12. Second support pad, 13. Pedal pad, 14. Pedal. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this utility model clearer, the following description will be provided in conjunction with the appendix of this utility model. Figure 1 ~Attached Figure 4 The present invention will be described in more detail below.

[0018] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art. The basic principles of the present invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0019] Those skilled in the art should understand that, in the disclosure of this specification, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on this utility model.

[0020] It is understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple, and the term "a" should not be understood as a limitation on the number.

[0021] This utility model provides a foldable pedal 3, including a folding base. A crank 10 is hinged to the folding base. The crank 10 has a three-section structure including a first support section, a second support section, and a pedal section 13. The first support section and the pedal section 13 are parallel to each other, and the second support section is perpendicular to the first support section and the pedal section 13. A first support pad 11 is fixedly connected to the lower end of the first support section, a second support pad 12 is fixedly connected to the inner side of the second support section, and a pedal 14 is fixedly connected to the pedal section 13. The folding base includes a base plate 6 and a fixed... The ear plate 4 is fixedly installed on the upper part of the base plate 6. When the first support section is in a horizontal state, the lower surface of the first support pad 11 is on the same horizontal plane as the upper surface of the base plate 6. The upper part of the ear plate 4 is provided with a through hole, and a rotating shaft 9 is inserted into the through hole and connected to the crank rod 10 by means of the rotating shaft 9. The middle part of the ear plate 4 is provided with a first pin hole 7, and one end of the crank rod 10 is also provided with a second pin hole 8. When the first support section is in a vertical state, the first pin hole 7 and the second pin hole 8 coincide. The overlapping first pin hole 7 and the second pin hole 8 are provided with a detachable pin inside.

[0022] This utility model also provides an ironing board, including a fixed section 1 and a telescopic section 2 movably disposed on one side of the fixed section 1. A folding seat is fixedly installed on the upper part of the fixed section 1. When the foldable pedal 3 is in a flat position, the first support pad 11 and the second support pad 12 are in contact with the top surface and the front side surface of the fixed section 1, respectively. The folding seat and the corresponding curved rod 10 are provided in no less than two sets, and several curved rods 10 are connected to the pedal 14 in symmetrical positions. When the foldable pedal 3 is in a vertical position, the movement line of the telescopic section 2 does not interfere with the pedal 14.

[0023] The first embodiment of this utility model is as follows:

[0024] A foldable pedal 3 includes a folding base, which includes a base plate 6 and two ear plates 4 fixedly disposed on the upper part of the base plate 6. A gap is provided between the two ear plates 4 to accommodate a crank rod 10. A through hole is provided on the upper part of the ear plate 4, and a rotating shaft 9 is inserted into the through hole and connected to the crank rod 10 by means of the rotating shaft 9. The crank rod 10 can rotate around the rotating shaft 9. The crank rod 10 has a three-section structure including a first support section, a second support section, and a pedal section 13. The first support section and the pedal section 13 are parallel to each other, and the second support section is perpendicular to the first support section and the pedal section 13, forming a horizontal-vertical-horizontal three-section structure. A first support pad 11 is fixedly connected to the lower end of the first support section, and the inner surface of the second support section is fixedly connected to the first support pad 11. The first support pad 11 and the second support pad 12 are fixedly connected. Both the first support pad 11 and the second support pad 12 include steel plates that are fixedly connected to the first support section or the second support section. The ends of the steel plates are welded to another steel plate to form a T-shaped structure. A rubber pad is set on the side of the steel plate that contacts the fixed section 1 to prevent scratching the paint on the fixed section 1. When the first support section is in a horizontal state, the lower surface of the first support pad 11 and the upper surface of the base plate 6 are on the same horizontal plane and are in contact with the upper surface of the fixed section 1 to form a support point. At the same time, the second support pad 12 also contacts the front side of the fixed section 1 to form a support point. Including the pivot 9, a three-point support structure is formed to disperse the stress on the foldable pedal 3 and improve the structural strength of the foldable pedal 3.

[0025] The ear plate 4 has a first pin hole 7 in the middle and a second pin hole 8 at one end of the crank 10. When the first support section is in a vertical position, the first pin hole 7 and the second pin hole 8 coincide. The overlapping first pin hole 7 and the second pin hole 8 are equipped with a detachable pin. When in use, the pin can be pulled out and the foldable pedal 3 can be folded to a flat position to form a pedestrian passage together with the other pedals 14. At this time, people can stand on the pedal 14. When it is necessary to retract the telescopic section 2, the foldable pedal 3 is first folded to a vertical position. After the first pin hole 7 and the second pin hole 8 coincide, the pin is inserted to fix it. At this time, the telescopic section 2 can be retracted.

[0026] In a further embodiment, the pin can be replaced with a spring pin. The structure of a spring pin is common knowledge and will not be described in detail here.

[0027] This utility model also provides a screed, including a fixed section 1 and a telescopic section 2 movably disposed on one side of the fixed section 1. The telescopic screed consists of a mechanically assembled section and a telescopic section 2, with the telescopic section 2 installed on the outermost side. The telescopic screed is further divided into a fixed section 1 and a telescopic section 2. The fixed section 1 is connected to the adjacent mechanically assembled section screed. The telescopic section 2 can extend outward and retract inward with the help of the guide rod 5 and slide rail of the fixed section 1, thereby changing the paving width.

[0028] The folding seat is fixedly installed on the upper part of the fixed section 1. When the foldable pedal 3 is in the flat position, the first support pad 11 and the second support pad 12 contact the top surface and the front side of the fixed section 1 respectively, forming a three-point support structure, which disperses the stress on the foldable pedal 3 and improves the structural strength of the foldable pedal 3. When the foldable pedal 3 is in the vertical position, the movement line of the telescopic section 2 does not interfere with the pedal 14, making it convenient for the telescopic section 2 to retract.

[0029] The folding seat and the corresponding crank 10 are provided in no less than two sets. Several cranks 10 are connected to the pedal 14 in symmetrical positions to improve the stability of the structure.

[0030] It should be noted that the terms "first, second, and third" used in this utility model are for descriptive purposes only and do not indicate any order. They should not be construed as indicating or implying relative importance, and can be interpreted as names.

[0031] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are merely examples and do not limit the present invention. The advantages of the present invention have been fully and effectively realized. The functional and structural principles of the present invention have been shown and explained in the embodiments. Without departing from the principles, the implementation of the present invention may have any modifications or variations.

Claims

1. A foldable pedal, characterized in that: The device includes a folding seat with a crank connected to it by a hinge. The crank has a three-section structure including a first support section, a second support section, and a pedal section. The first support section and the pedal section are parallel to each other, and the second support section is perpendicular to the first support section and the pedal section. A first support pad is fixedly connected to the lower end of the first support section, a second support pad is fixedly connected to the inner side of the second support section, and a pedal is fixedly connected to the pedal section.

2. The foldable pedal according to claim 1, characterized in that: The folding seat includes a base plate and an ear plate fixedly disposed on the upper part of the base plate. When the first support section is in a horizontal state, the lower surface of the first support pad and the upper surface of the base plate are on the same horizontal plane.

3. The foldable pedal according to claim 2, characterized in that: The upper part of the ear plate is provided with a through hole, and a rotating shaft is inserted into the through hole and connected to the crank rod in a hinged manner through the rotating shaft.

4. The foldable pedal according to claim 2, characterized in that: The ear plate has a first pin hole in the middle and a second pin hole at one end of the crank. When the first support section is in a vertical state, the first pin hole and the second pin hole coincide. The overlapping first pin hole and the second pin hole are provided with a detachable pin inside.

5. An ironing board, comprising the foldable footrest as described in any one of claims 1 to 4, characterized in that: It includes a fixed section and a telescopic section that is movably disposed on one side of the fixed section. The folding seat is fixedly installed on the upper part of the fixed section. When the foldable pedal is in a flat position, the first support pad and the second support pad are in contact with the top surface and the front side of the fixed section, respectively.

6. The ironing board according to claim 5, characterized in that: The folding seat and the corresponding crank are provided in no less than two sets, and several of the cranks are connected to the pedals in symmetrical positions.

7. The ironing board according to claim 5, characterized in that: When the foldable pedal is in the vertical position, the movement line of the telescopic section does not interfere with the pedal.

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