A footrest

Abstract

The utility model discloses a footboard, including upper cover and lower cover, in the upper cover and lower cover, one is equipped with the sliding slot, and the other is equipped with the slider that moves along the sliding slot, be equipped with the assembly cavity between the upper cover and lower cover, be provided with locking mechanism in the assembly cavity, locking mechanism along the upper cover or lower cover movement, lock or unlock the slider, the slider after unlocking slides along the upper cover or lower cover, make the slider drive lower cover or upper cover and move to the inside or the outside, to adjust the width of the footboard that upper cover and lower cover constitute, the utility model discloses through setting slider and sliding slot and corresponding locking mechanism, has realized the adjustment of footboard in front -back depth direction, has realized more extensive application scene.

Description

Technical Field

[0001] This utility model relates to the field of foot pedal technology for use in children's dining chairs and wheelchairs, and particularly to a foot pedal. Background Technology

[0002] Currently, children's high chairs can only be used as dining chairs. They generally include footrests for stepping on. However, the depth of the footrests in existing children's high chairs or wheelchairs is generally difficult to adjust. Most of them only meet the functions of hinge assembly and rotation for angle adjustment or storage. However, when the child's height changes and their feet need to extend or retract, or when the user wants to change posture and adjust the foot position, or for special needs, it is necessary to adjust the depth of the footrest, or extend the footrest inward or outward, so as to make it have multiple functions. This is something that most existing footrests cannot achieve. Utility Model Content

[0003] The purpose of this invention is to provide a foot pedal with adjustable width or depth to meet the needs of more users.

[0004] To achieve the above objectives, this utility model is implemented through the following technical solution.

[0005] A foot pedal includes an upper cover and a lower cover, wherein one of the upper cover and the lower cover is provided with a groove and the other is provided with a slider that moves along the groove;

[0006] An assembly cavity is provided between the upper cover and the lower cover, and a locking mechanism is provided in the assembly cavity. The locking mechanism locks or unlocks the slider as it moves along the upper cover or the lower cover.

[0007] Once unlocked, the slider slides along the upper or lower cover, causing the slider to move the lower or upper cover inward or outward, thereby adjusting the width of the foot pedal formed by the upper and lower covers.

[0008] Furthermore, the locking mechanism moves horizontally along the upper or lower cover, causing the slider to move horizontally in sync.

[0009] Furthermore, the slider is provided with a locking groove, and the locking mechanism enters or exits the locking groove to lock or unlock the slider.

[0010] Furthermore, it also includes an unlock button that acts on the locking mechanism to generate at least two force transmissions within a confined space to unlock the slider.

[0011] Furthermore, the vertical movement of the unlock button drives the locking mechanism to generate a force that first moves inward and then moves inward from both sides.

[0012] Furthermore, the unlock button is positioned near the locking mechanism to form a first guide surface, and the locking mechanism has a first inclined surface, which is driven by the first guide surface.

[0013] Furthermore, the locking mechanism includes a driving component located near the unlock button and linkage components located on both sides of the driving component. The driving component moves inward from both sides under force, causing the spring connecting the linkage components to be compressed.

[0014] Furthermore, the end of the drive component is provided with a receiving cavity, the two sides of the receiving cavity are provided with second guide surfaces, and the receiving cavity is symmetrically provided with linkage blocks. The linkage blocks are formed with a second inclined surface that matches the second guide surface and drives it to move inward.

[0015] Furthermore, the assembly cavity is provided with a T-shaped groove that matches the driving component, and the end of the T-shaped groove extends to form a trapezoidal groove.

[0016] Alternatively, a trapezoidal groove may be formed near the driving component, and the driving component may enter or move away from the trapezoidal groove during its movement.

[0017] Furthermore, the two linkage blocks are connected by the spring, and both ends of the spring are respectively connected to the linkage component.

[0018] The beneficial effects of this utility model are as follows:

[0019] In this invention, the upper or lower cover is moved by the simple control of the slider, thereby adjusting the depth of the entire foot pedal in the horizontal direction, increasing its application range and improving the user experience.

[0020] In this invention, a simple inclined mechanical structure is used to achieve excellent linkage, so that even in the narrow assembly space formed by the foot pedal, multi-directional linkage control, as well as symmetrical horizontal unlocking and locking are formed, which is ingenious design. Attached Figure Description

[0021] Figure 1 A schematic diagram of the structure of a foot pedal provided by this utility model;

[0022] Figure 2 An assembly drawing of the button and locking mechanism provided by this utility model;

[0023] Figure 3 A schematic diagram of the locking mechanism provided by this utility model;

[0024] Figure 4 An exploded view of a foot pedal provided for this utility model;

[0025] Figure 5A schematic diagram of the locking mechanism in the locked state provided by this utility model;

[0026] Figure 6 A schematic diagram of the unlocked state of the locking mechanism provided by this utility model;

[0027] In the picture:

[0028] 100. Top cover; 110. Slider; 120. Locking groove; 200. Bottom cover; 210. Slide groove; 220. T-slot; 230. Trapezoidal groove; 300. Assembly plate; 400. Locking mechanism; 410. First inclined surface; 420. Driving component; 430. Linkage component; 440. Spring; 450. Second guide surface; 460. Linkage block; 461. Second inclined surface; 500. Unlock button; 510. First guide surface; 6. Support leg. Detailed Implementation

[0029] The present invention will now be described in detail with reference to the embodiments shown in the accompanying drawings. However, it should be noted that these embodiments are not intended to limit the present invention. Equivalent transformations or substitutions in function, method, or structure made by those skilled in the art based on these embodiments are all within the protection scope of the present invention.

[0030] Example 1

[0031] See attached document Figure 1-6 As shown, this embodiment of a foot pedal includes an upper cover 100 and a lower cover 200. One of the upper cover 100 and the lower cover 200 has a sliding groove 210, and the other has a slider 110 that moves along the sliding groove 210. This embodiment uses the example of the sliding groove 210 being located on the lower cover 200 and the slider 110 being located on the upper cover 100. Several sliders can be provided. Since the foot pedal is relatively small, several sliding grooves can be provided on the lower cover 200. During operation, several sliders move along the sliding grooves, driving the upper cover 100... 00 moves inward or outward in the horizontal direction along the lower cover 200; in order to reduce the driving mechanism of the control slider and ensure that the entire upper cover is driven to slide rather than partially slide, several sliders 110 can be evenly arranged at corresponding positions on the upper cover 100, and then several sliders 110 are assembled on an assembly plate 300, and the assembly plate 300 is fixed to the upper cover 100 by screws, etc., so that only one slider 110 needs to be driven to slide to drive all sliders to move, ensuring the overall movement of the upper cover.

[0032] In this embodiment, in order to control the slider 110 to slide according to the set conditions, a locking mechanism 400 is provided. The locking mechanism 400 is located in the assembly cavity between the upper cover 100 and the lower cover 200. Then, as the locking mechanism 400 moves along the upper cover 100, it controls the slider 110 to lock or unlock in the corresponding groove 210 of the lower cover 200. Then, when the slider is in the unlocked state, it drives the slider 110 to move, causing the upper cover 200 to slide, thereby causing the upper cover 200 to move inward or outward, adjusting the front and rear position of the upper cover 100, so that the width of the foot pedal formed by the upper cover 100 and the lower cover 200 together can be increased. Of course, if it moves inward, it can also be understood as increasing the depth of the foot pedal.

[0033] Of course, when the slide is set in the upper cover, the slider is set in the lower cover, and the whole working principle is the same as the above setting.

[0034] Example 2

[0035] This embodiment mainly describes the entire movement process. Specifically, in this embodiment, the locking mechanism 400 is located within the assembly cavity. Taking the lower cover 200 as an example, the locking mechanism 400 moves horizontally along the lower cover, thereby causing the slider 110 to move horizontally in sync. In this embodiment, during all unlocking and locking processes, both the locking mechanism 400 and the slider 110 move horizontally. This directional movement satisfies the special requirement of limited vertical assembly space within the foot pedal, ensuring that the core movement and control occur horizontally, thus adapting to the need for vertical height constraints.

[0036] In this embodiment, a locking groove 120 is also provided at the slider 110. Specifically, the slider 110 is partially recessed to form the locking groove 120. Once the locking mechanism 400 enters the locking groove 120, it restricts the slider 110, preventing it from moving and achieving locking. Conversely, once the locking mechanism 400 disengages from the locking groove 120 at the slider 110, the slider is unrestricted and can move along the groove, driving the upper cover to move back and forth. Thus, in this process, the mutual restriction between the locking mechanism and the locking groove within the slider achieves control of the slider.

[0037] Example 3

[0038] This embodiment focuses on the specific structure.

[0039] To facilitate user operation, this embodiment also includes an unlock button 500. Preferably, the unlock button 500 is located below the foot pedal. The unlock button has the potential to move up and down. Specifically, the unlock button 500 directly acts on the locking mechanism 400, and within the narrow space along the front-to-back direction in the assembly cavity, it generates at least two force transmissions before the force acts on the slider 110 to disengage the unlocking mechanism from the locking groove, allowing the slider 110 to move normally after unlocking. Since the foot pedal itself is relatively thin and wide, it is necessary to fully consider unlocking and other controls within this small space. This embodiment cleverly utilizes the layout and structure of the mechanical structure to complete the relevant unlocking settings.

[0040] Specifically, the unlock button 500 located below the foot pedal moves vertically when subjected to force, specifically upwards, and then drives the locking mechanism to generate a force that first moves inwards, and then inwards from both sides. Thus, during the entire unlocking process, the direction of movement changes from vertical to horizontal, and then the horizontal direction achieves adjustments in multiple two-way movements, resulting in multi-directional movement within the assembly space. In this embodiment, due to the small size of the foot pedal and the large amount of force transmission, this embodiment cleverly utilizes the unlock button to control the locking mechanism, enabling the transmission of the aforementioned two forces within a confined space. Especially in children's high chairs, where the foot pedal occupies a very small volume, distributing movement slots in multiple directions decomposes the force and improves efficiency. In this embodiment, "confined space" specifically refers to the small volume of the entire foot pedal and the small cavity space occupied during each force transmission. In this embodiment, the unlock button 500 also contains a return spring, which, when pressed, causes the unlock button to reset.

[0041] Referring to the accompanying drawings, in this embodiment, the unlock button 500 forms a first guide surface 510 near the locking mechanism 400. The locking mechanism 400 has a first inclined surface 410, which is driven by the first guide surface 510. At this time, the first guide surface 510 is an inclined surface that slopes upward from the inside out, for example, an inclined surface between 40° and 60° can be selected. Then, the first inclined surface 410 is parallel to it. When the first guide surface 510 moves upward, it forces the first inclined surface 410 to move inward in the horizontal direction, driving the locking mechanism 400 to start moving.

[0042] Specifically, the locking mechanism 400 includes a driving member 420 located near the unlock button 500 and linkage members 430 located on both sides of the driving member 420. The driving member 420 moves inward from both sides under force, causing the spring 440 connected to the linkage member 430 to be compressed. In this embodiment, the driving member 420 can synchronously drive the two linkage members 430, thereby causing the two linkage members 430 to move towards or away from each other. When they move towards each other, the spring 440 is compressed, and when the spring 440 returns to its original position, it moves in the opposite direction. At this time, each linkage member 430 can correspond to a slider 110, and the locking mechanism 400 and the unlock button 500 can both be set in the center position, so that the subsequent force transmission is evenly distributed to both sides, ensuring smooth inward or outward movement.

[0043] To cleverly arrange the various slots within the assembly cavity, the drive component 420 has a receiving cavity at its end. The receiving cavity has second guide surfaces 450 on both sides, and symmetrical linkage blocks 460 are arranged within it. Each linkage block 460 has a second inclined surface 461 that matches the second guide surfaces 450 and drives inward movement. Due to structural limitations, the linkage component 430 is not wide enough. If the drive component 420 and linkage component 430 directly contact each other, the overall driving contact distance is short. Therefore, linkage blocks 430 can be added. As the drive component 420 moves, the receiving cavity also moves, and its width gradually increases from the unlock button inwards. As the drive component moves inwards, the receiving cavity moves inwards, allowing the width of the linkage blocks 430 to gradually narrow. At this point, the two linkage blocks 430 approach each other, the spring compresses, and the linkage components move inwards towards each other, completing the unlocking process.

[0044] In this embodiment, to better complete the assembly of the locking mechanism, a T-shaped groove 220 matching the driving member 420 is provided in the assembly cavity between the upper and lower covers. The end of the T-shaped groove 220 extends to form a trapezoidal groove 230 that partially accommodates the second guide surface 450. The trapezoidal groove 230 allows the second guide surface 450 to extend into the trapezoidal groove 230 when the driving member 420 moves inward, thus completing the assembly.

[0045] Alternatively, a trapezoidal groove can be formed by recessing the linkage member near the drive member, and the drive member moves into or away from the trapezoidal groove during its movement.

[0046] At this time, the inclined surface on the trapezoidal groove is partially in contact with the second guide surface 450. As a result, the second guide surface 450 not only contacts the linkage component during movement, but also contacts the inclined surface of the trapezoidal groove.

[0047] For subsequent reset, the two linkage blocks 460 are connected by the spring 440, and both ends of the spring 440 are connected to the linkage member 430. When the unlock button 500 is pressed, the spring 440 is compressed due to the opposing movement of the two linkage members 430. When the sliding block 110 returns to its original position, the spring 440 resets, and the linkage member 430 enters the locking groove 120, completing the locking process.

[0048] Example 4

[0049] In this embodiment, based on the above embodiment, numerous grooves are provided inside the upper and lower covers, allowing various structures to be positioned within their corresponding grooves. This achieves excellent positioning and assembly stability. For example, the linkage, slider, and drive components are all provided with corresponding grooves, enabling them to move within the range set by the grooves. This ensures that during the unlocking or locking process, the components move along the set groove path, avoiding misalignment and improving the overall unlocking or locking efficiency.

[0050] Example 5

[0051] In this embodiment, the foot pedal from the above embodiment is used in a children's high chair, specifically by mounting the foot pedal onto the support leg 600 of the high chair, thus expanding the application of the foot pedal in the high chair. The foot pedal can then be adjusted in depth in the fore-and-aft direction to meet the needs of different foot sizes or other reasons requiring adjustment of the foot pedal's depth.

[0052] The detailed descriptions listed above are merely specific descriptions of feasible implementations of this utility model, and are not intended to limit the scope of protection of this utility model. All equivalent implementations or modifications made without departing from the spirit of this utility model should be included within the scope of protection of this utility model.

[0053] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0054] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A foot pedal comprising an upper cover and a lower cover, characterized in that, Of the upper and lower covers, one is provided with a sliding groove, and the other is provided with a slider that moves along the sliding groove; An assembly cavity is provided between the upper cover and the lower cover, and a locking mechanism is provided in the assembly cavity. The locking mechanism locks or unlocks the slider as it moves along the upper cover or the lower cover. Once unlocked, the slider slides along the upper or lower cover, causing the slider to move the lower or upper cover inward or outward, thereby adjusting the width of the foot pedal formed by the upper and lower covers.

2. A foot pedal according to claim 1, wherein, The locking mechanism moves horizontally along the upper or lower cover, causing the slider to move horizontally in sync.

3. A foot pedal according to claim 2, wherein, The slider is provided with a locking groove, and the locking mechanism enters or exits the locking groove to lock or unlock the slider.

4. A foot pedal according to claim 1, wherein, It also includes an unlock button that acts on the locking mechanism to generate at least two force transmissions within a confined space to unlock the slider.

5. A foot pedal according to claim 4, wherein, The vertical movement of the unlock button drives the locking mechanism to generate a force that first moves inward and then moves inward from both sides.

6. A foot pedal according to claim 5, characterized in that, The unlock button is close to the locking mechanism to form a first guide surface, and the locking mechanism has a first inclined surface, which is driven by the first guide surface.

7. A foot pedal according to claim 4, characterized in that, The locking mechanism includes a driving component located near the unlock button and linkage components located on both sides of the driving component. The driving component moves inward from both sides under force, causing the springs connecting the linkage components to be compressed.

8. A foot pedal according to claim 7, characterized in that, The drive component has a receiving cavity at its end, and a second guide surface is provided on both sides of the receiving cavity. A linkage block is symmetrically provided inside the receiving cavity, and a second inclined surface is formed on the linkage block that matches the second guide surface and drives it to move inward.

9. A foot pedal according to claim 8, characterized in that, The assembly cavity is provided with a T-shaped groove that matches the driving component, and the end of the T-shaped groove extends to form a trapezoidal groove. Alternatively, a trapezoidal groove may be formed near the driving component, and the driving component may enter or move away from the trapezoidal groove during its movement.

10. A foot pedal according to claim 8, characterized in that, The two linkage blocks are connected by the spring, and the two ends of the spring are respectively connected to the linkage component.

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