Brake pedal structure and harvester

Abstract

The utility model relates to a brake pedal structure which comprises a bottom plate arranged at the bottom of a cab of a harvester; a through hole is formed in the bottom plate; one end of the pedal assembly is rotatably arranged below the bottom plate, and the other end of the pedal assembly penetrates through the through hole and is located above the bottom plate; the first sealing assembly is arranged on the pedal assembly and located below the bottom plate; the first sealing assembly can move along with the pedal assembly. The first sealing assembly is used for sealing the through hole. The first sealing assembly is arranged on the pedal assembly, and the through hole in the bottom plate is sealed through the first sealing assembly. When the pedal assembly moves, the first sealing assembly moves along with the pedal assembly, the first sealing assembly can still seal the through hole, dust can be prevented from entering the cab through the through hole, and the comfort level of the cab environment is improved. The utility model further relates to a harvester.

Description

Technical Field

[0001] This utility model relates to the field of harvester technology, specifically to a brake pedal structure and a harvester. Background Technology

[0002] With the continuous development of crop harvesting technology, the requirements for harvesters are also increasing. In particular, the requirements for the comfort of the driving environment have also increased. Factors affecting the comfort of the driving environment include the sealing of the cab and the ease of operation.

[0003] The sealing structure at the brake pedal in the harvester cab can affect the cab's airtightness. Existing brake pedal sealing structures often use open rubber seals with large gaps. In the dusty working environment, dust can enter the cab through these gaps, thus failing to achieve a proper seal. Utility Model Content

[0004] This utility model provides a brake pedal structure and a harvester to solve the technical problem that the rubber used in the sealing structure of the brake pedal cannot prevent dust from entering the cab.

[0005] This utility model discloses a brake pedal structure, which includes a base plate, a pedal assembly, and a first sealing assembly. The base plate is located at the bottom of the harvester's cab; the base plate has a through hole; one end of the pedal assembly is rotatably disposed below the base plate, and the other end of the pedal assembly passes through the through hole to the top of the base plate; the first sealing assembly is disposed on the pedal assembly and located below the base plate; the first sealing assembly can move together with the pedal assembly; the first sealing assembly is used to seal the through hole.

[0006] Furthermore, the brake pedal structure also includes a fixing plate, which is located below the base plate and connected to the base plate.

[0007] Furthermore, the pedal assembly includes a first pedal and a second pedal. One end of the first pedal is rotatably mounted on a fixed plate, and the other end of the first pedal extends through a through hole to the top of the base plate; one end of the second pedal is rotatably mounted on a fixed plate, and the other end of the second pedal extends through a through hole to the top of the base plate; the first pedal and the second pedal are symmetrical structures; both the first pedal and the second pedal are integrally formed structures; the other end of the first pedal and the other end of the second pedal are connected by a pin.

[0008] Furthermore, the other end of the first pedal and the other end of the second pedal are both hinged to the fixed plate via a connecting shaft; the brake pedal structure also includes a torsion spring, which is disposed on the connecting shaft and located between the fixed plate and the pedal assembly; the torsion spring is used to assist the first pedal and the second pedal in resetting.

[0009] Furthermore, the brake pedal structure also includes brake valves, one brake valve is disposed on the fixed plate and its braking end abuts against the other end of the first pedal; the other brake valve is disposed on the fixed plate and its braking end abuts against the other end of the second pedal.

[0010] Furthermore, a welding sealing plate is disposed on the pedal assembly and located below the base plate; a sponge pad is disposed on the welding sealing plate and located between the welding sealing plate and the base plate.

[0011] Furthermore, the brake pedal structure also includes a second sealing assembly, which is disposed on the base plate and is used to cover the through hole.

[0012] Furthermore, the second sealing assembly includes a sealing plate and a sealing gasket. The M-shaped sealing plate has an interlayer for accommodating the pedal assembly. The sealing plate is disposed above the base plate. The M-shaped sealing gasket has an interlayer for accommodating the pedal assembly. The sealing gasket is located between the sealing plate and the base plate. The sealing gasket and the sealing plate are stacked.

[0013] Furthermore, the base plate is set horizontally or inclined at the bottom of the harvester cab.

[0014] This utility model also discloses a harvester that includes a brake pedal structure as described in any of the embodiments above.

[0015] The brake pedal structure and harvester provided by this utility model can achieve the following technical effects:

[0016] By installing a first sealing component on the pedal assembly, the through-hole on the base plate is sealed. When the pedal assembly moves, the first sealing component moves along with it, maintaining its seal on the through-hole. This prevents dust from entering the cab through the through-hole, improving the comfort of the cab environment.

[0017] The above general description and the description below are exemplary and explanatory only, and are not intended to limit the present invention. Attached Figure Description

[0018] One or more embodiments are illustrated by way of example with reference to the accompanying drawings. These illustrative descriptions and drawings do not constitute a limitation on the embodiments. Elements having the same reference numerals in the drawings are considered similar elements, and wherein:

[0019] Figure 1 This is a side view schematic diagram of one embodiment of a brake pedal structure according to the present invention;

[0020] Figure 2 This is a schematic diagram of one embodiment of the base plate of the brake pedal structure of this utility model;

[0021] Figure 3 This is a top view schematic diagram of one embodiment of a brake pedal structure according to the present invention;

[0022] Figure 4 This is a schematic diagram of an embodiment of the first pedal of the brake pedal structure of this utility model;

[0023] Figure 5 yes Figure 1 Enlarged view of part A;

[0024] Figure 6 This is a schematic diagram of one embodiment of the sealing plate of the brake pedal structure of this utility model.

[0025] Figure label:

[0026] 11. Base plate; 12. Through hole; 13. Fixing plate; 14. Reinforcing rib; 21. First pedal; 22. Second pedal; 23. Rotating hole; 24. Linkage hole; 25. Pin; 31. Welded sealing plate; 32. Sponge pad; 41. Sealing plate; 42. Sealing gasket; 43. Interlayer; 51. Brake valve; 52. Connecting shaft; 53. Torsion spring. Detailed Implementation

[0027] To provide a more detailed understanding of the features and technical content of the embodiments of this utility model, the implementation of the embodiments of this utility model will be described in detail below with reference to the accompanying drawings. The accompanying drawings are for illustrative purposes only and are not intended to limit the embodiments of this utility model. In the following technical description, for ease of explanation, several details are used to provide a full understanding of the disclosed embodiments. However, one or more embodiments may still be implemented without these details. In other cases, well-known structures and devices may be simplified in their depiction to simplify the drawings.

[0028] The terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this utility model described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.

[0029] In this embodiment of the invention, the terms "upper," "lower," "inner," "middle," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for better description of the embodiments of the invention and their implementations, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation. Furthermore, some of the aforementioned terms may be used to indicate other meanings besides orientation or positional relationship; for example, the term "upper" may in some cases indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in the embodiments of the invention according to the specific circumstances.

[0030] Furthermore, the terms "set," "connect," and "fix" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0031] Unless otherwise stated, the term "multiple" means two or more, and "multiple groups" means two or more groups.

[0032] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.

[0033] like Figure 1 As shown, this utility model discloses a brake pedal structure, which includes a base plate 11, a pedal assembly, a first sealing assembly, and a second sealing assembly. The base plate 11 is the base plate of the harvester's cab, and is therefore located at the bottom of the harvester's cab. The ground where the harvester is parked is horizontal. When describing the base plate 11, the ground where the harvester is parked is used as a reference. The base plate 11 can be horizontally located at the bottom of the harvester's cab, or it can be inclined at the bottom of the harvester's cab. In this embodiment, whether the base plate 11 is horizontally or inclined can be selected according to the overall requirements of the cab. The base plate 11 has a through hole 12, which can optionally be rectangular in shape. Alternatively, the through hole 12 can be rectangular with rounded corners.

[0034] like Figure 1As shown, the brake pedal structure also includes a fixing plate 13, which is L-shaped and has reinforcing ribs 14 to enhance its structural strength. One end of the fixing plate 13 is detachably mounted on the base plate 11 by bolts, and the fixing plate 13 is located below the base plate 11.

[0035] like Figure 1 As shown, the brake pedal structure also includes two brake valves 51, which are symmetrically arranged. One brake valve 51 is detachably mounted on the fixing plate 13 by bolts. The main body of this brake valve 51 is located on the left side of the fixing plate 13, and the braking end of this brake valve 51 passes through the fixing plate 13 to the right side of the fixing plate 13. The other brake valve 51 is detachably mounted on the fixing plate 13 by bolts. The main body of this other brake valve 51 is located on the left side of the fixing plate 13, and the braking end of this brake valve 51 passes through the fixing plate 13 to the right side of the fixing plate 13.

[0036] like Figures 1 to 4 As shown, the pedal assembly includes a first pedal 21 and a second pedal 22. The first pedal 21 and the second pedal 22 are symmetrical structures, and the connection method between the first pedal 21 and the fixing plate 13 is the same as the connection method between the second pedal 22 and the fixing plate 13. Therefore, the first pedal 21 is used as an example for description. The first pedal 21 is an integrally formed structure, which makes the pedal structure more robust. One end of the first pedal 21 has a rotating hole 23, and the other end has a linkage hole 24. One end of the first pedal 21 passes through the through hole 12 of the base plate 11. The end of the first pedal 21 with the rotating hole 23 is located below the base plate 11, and the end of the first pedal 21 with the linkage hole 24 is located above the base plate 11. Therefore, the end of the second pedal 22 with the rotating hole 23 is located below the base plate 11, and the end of the second pedal 22 with the linkage hole 24 is located above the base plate 11. A pin 25 is inserted sequentially through the linkage hole 24 of the first pedal 21 and the linkage hole 24 of the second pedal 22, thus connecting the first pedal 21 and the second pedal 22. This configuration allows the pedal mechanism to switch to a dual-pedal mode. When the pin 25 is removed, the first pedal 21 and the second pedal 22 are no longer connected, and the pedal mechanism switches from a dual-pedal mode to a single-pedal mode.

[0037] Two side plates are symmetrically arranged on the right side of the fixed plate 13. Each side plate has a rotating hole 23. A connecting shaft 52 passes through the rotating holes 23 of the two side plates, the first pedal 21, and the second pedal 22 in sequence, thus allowing both the first pedal 21 and the second pedal 22 to be rotatably connected to the fixed plate 13. A torsion spring 53 is provided between the first pedal 21 and the fixed plate 13, with one end of the torsion spring 53 contacting the first pedal 21 and the other end contacting the fixed plate 13. Similarly, a torsion spring 53 is provided between the second pedal 22 and the fixed plate 13, with one end of the torsion spring 53 contacting the second pedal 22 and the other end contacting the fixed plate 13. The torsion spring 53 assists in the reset of the first pedal 21 and the second pedal 22. When the first pedal 21 is rotatably connected to the fixed plate 13, the braking end of a brake valve 51 abuts against the end of the first pedal 21 with the rotating hole 23. When the second pedal 22 is rotatably connected to the fixed plate 13, the braking end of the other brake valve 51 abuts against the end of the second pedal 22 that is provided with the rotating hole 23.

[0038] In this embodiment, when the harvester encounters a bumpy road surface, the first pedal 21 and the second pedal 22 may move up and down. When the driver does not press the first pedal 21 or the second pedal 22, the torsion spring 53 is in a deformed state and limits the movement of the first pedal 21 and the second pedal 22. When the driver presses the first pedal 21 or the second pedal 22, the torsion spring 53 switches from the deformed state to the non-deformed state, at which time the torsion spring 53 does not function.

[0039] like Figure 5 As shown, the first sealing assembly is disposed on the pedal assembly and is located below the base plate 11. Specifically, the first sealing assembly includes two welded sealing plates 31 and two sponge pads 32. One welded sealing plate 31 is disposed on the first pedal 21, and one sponge pad 32 is disposed on the welded sealing plate 31 on the first pedal 21, with the sponge pad 32 located between the welded sealing plate 31 and the base plate 11. The welded sealing plate 31 and sponge pad 32 disposed on the first pedal 21 can move as the first pedal 21 rotates. The other welded sealing plate 31 is disposed on the second pedal 22, and the other sponge pad 32 is disposed on the welded sealing plate 31 on the second pedal 22, with the sponge pad 32 located between the welded sealing plate 31 and the base plate 11. The welded sealing plate 31 and sponge pad 32 disposed on the second pedal 22 can move as the second pedal 22 rotates. The welding sealing plate 31 and sponge pad 32 installed on the first pedal 21 cooperate with the welding sealing plate 31 and sponge pad 32 installed on the second pedal 22 to seal the through hole 12 on the base plate 11.

[0040] Optionally, the welding sealing plate 31 is welded to the first pedal 21 as an integral structure, and the welding sealing plate 31 is welded to the second pedal 22 as an integral structure. The sponge pad 32 is connected to the welding sealing plate 31 by adhesive bonding.

[0041] like Figure 1 , Figure 5 , Figure 6 As shown, the second sealing assembly is disposed on the base plate 11 and is located above the base plate 11. The second sealing assembly is used to cover the through hole 12 of the base plate 11. The second sealing assembly includes a sealing plate 41 and a sealing gasket 42. The sealing plate 41 is M-shaped and has two layers 43. The sealing gasket 42 is M-shaped and has two layers 43. The sealing gasket 42 is stacked with the sealing plate 41, and the sealing plate 41 and the sealing gasket 42 are bonded or pressed together. The sealing plate 41 is disposed above the base plate 11, and the sealing gasket 42 is located between the sealing plate 41 and the base plate 11. When the second sealing assembly is disposed above the base plate 11, the first pedal 21 is located within one layer 43 of the second sealing assembly, and the second pedal 22 is located within the other layer 43 of the second sealing assembly. The middle part of the second sealing assembly is located between the first pedal 21 and the second pedal 22.

[0042] Alternatively, the sealing gasket 42 may be made of nylon or rubber material, which can improve the sealing performance at the pedal assembly.

[0043] This utility model also discloses a harvester that includes a brake pedal structure as described in any of the embodiments above.

[0044] An exemplary embodiment of the application scenario:

[0045] like Figures 1 to 6As shown, the first pedal 21 and the second pedal 22 are connected by a pin 25, transforming the pedal mechanism into a dual-pedal mode. When the driver presses the end of the first pedal 21 or the second pedal 22 located above the base plate 11, both pedals 21 and 22 rotate simultaneously around the connecting shaft 52. The torsion spring 53 is not activated. Simultaneously, the ends of the first pedal 21 and 22 located below the base plate 11 compress the brake end of the brake valve 51, causing the brake valve 51 to actuate and achieve braking. As both pedals 21 and 22 rotate simultaneously around the connecting shaft 52, they also move the welded sealing plate 31 and the sponge pad 32. As the first pedal 21 and 22 move, the welded sealing plate 31 and the base plate 11 deform the sponge pad 32. When the driver removes their foot from the first pedal 21 or the second pedal 22, the torsion spring 53 drives the first pedal 21 or the second pedal 22 to return to its original position. Because the harvester's braking time is very short, the welded sealing plate 31 and the sponge pad 32 will quickly reset along with the first pedal 21 and the second pedal 22. The exposure time of the through hole is limited. The sealing plate 41 and the sealing pad 42 work together with the welded sealing plate 31 and the sponge pad 32 to seal the through hole, which improves the comfort of the cab environment.

[0046] When the harvester needs to turn and the turning radius is too small, the pin 25 is pulled out, disconnecting the first pedal 21 and the second pedal 22, and the pedal mechanism switches to single-pedal mode. The operator only needs to press either the first pedal 21 or the second pedal 22 to make a large movement of the harvester on the side closer to the first pedal 21 or the side closer to the second pedal 22, and the side closer to the second pedal 22 or the side closer to the first pedal 21 will follow suit. This achieves single-sided braking of the harvester, improving its operability.

[0047] The foregoing description and accompanying drawings fully illustrate embodiments of the present invention to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the order of operation may vary. Some portions and features of some embodiments may be included or substituted for portions and features of other embodiments. Embodiments of the present invention are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from its scope. The scope of the present invention is limited only by the appended claims.

Claims

1. A brake pedal structure, characterized in that, include: The bottom plate (11) is located at the bottom of the harvester cab; The base plate (11) has a through hole (12); The pedal assembly has one end rotatably disposed below the base plate (11), and the other end passes through the through hole (12) to the top of the base plate (11); A first sealing component is disposed on the pedal assembly and located below the base plate (11); the first sealing component can be displaced together with the pedal assembly; the first sealing component is used to seal the through hole (12).

2. The brake pedal structure according to claim 1, characterized in that, Also includes: A fixing plate (13) is located below the base plate (11) and is connected to the base plate (11).

3. The brake pedal structure according to claim 2, characterized in that, The pedal assembly includes: The first pedal (21) is rotatably mounted on the fixed plate (13) at one end, and the other end passes through the through hole (12) to the top of the base plate (11); The second pedal (22) is rotatably mounted on the fixed plate (13) at one end, and the other end passes through the through hole (12) to the top of the base plate (11); The first pedal (21) and the second pedal (22) are symmetrical structures; the first pedal (21) and the second pedal (22) are both integrally formed structures; the other end of the first pedal (21) and the other end of the second pedal (22) are connected by a pin (25).

4. The brake pedal structure according to claim 3, characterized in that, The other end of the first pedal (21) and the other end of the second pedal (22) are both hinged to the fixed plate (13) via a connecting shaft (52); it also includes: A torsion spring (53) is disposed on the connecting shaft (52) and located between the fixing plate (13) and the pedal assembly; the torsion spring (53) is used to assist the first pedal (21) and the second pedal (22) in resetting.

5. The brake pedal structure according to claim 4, characterized in that, Also includes: A brake valve (51) is mounted on a fixed plate (13), and its brake end abuts against the other end of the first pedal (21); Another brake valve (51) is mounted on the fixed plate (13), and its brake end abuts against the other end of the second pedal (22).

6. The brake pedal structure according to any one of claims 1 to 5, characterized in that, A welding sealing plate (31) is provided on the pedal assembly and located below the base plate (11); A sponge pad (32) is placed on the welding sealing plate (31) and located between the welding sealing plate (31) and the base plate (11).

7. The brake pedal structure according to claim 6, characterized in that, Also includes: The second sealing assembly is disposed on the base plate (11) and is used to cover the through hole (12).

8. The brake pedal structure according to claim 7, characterized in that, The second sealing assembly includes: The sealing plate (41) is M-shaped and has a mezzanine (43) for accommodating the pedal assembly; the sealing plate (41) is disposed above the base plate (11); The sealing gasket (42) is M-shaped and has a sandwich (43) for accommodating the pedal assembly; the sealing gasket (42) is located between the sealing plate (41) and the base plate (11); the sealing gasket (42) and the sealing plate (41) are stacked.

9. The brake pedal structure according to claim 1, characterized in that, The base plate (11) is set horizontally or inclined at the bottom of the harvester cab.

10. A harvester, characterized in that, include: The brake pedal structure as described in any one of claims 1 to 9.

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