Adjustable pedal for seat and seat

Abstract

The utility model discloses an adjustable pedal for a seat and the seat, and belongs to the technical field of seats. The mounting seat is used for being connected with a foot plate of a seat; the lifting frame body is slidably arranged on the mounting base in the height direction of the seat, and the pedal body is slidably arranged on the lifting frame body in the front-back direction of the seat; the locking assembly is arranged between the lifting frame body and the mounting seat; the locking assembly is arranged between the pedal body and the lifting frame body; the lifting frame body is fixed relative to the mounting seat when the locking assembly is in a locking state, and the lifting frame body can slide relative to the mounting seat when the locking assembly is in an unlocking state; the pedal body is fixed relative to the lifting frame body when the locking assembly is in the locking state, and the pedal body can slide relative to the lifting frame body when the locking assembly is in the unlocking state. By applying the pedal, the height position and the front-back position of the pedal body can be adjusted according to the use requirement of a user.

Description

Technical Field

[0001] The utility model relates to the technical field of seats, in particular to an adjustable pedal for a seat and the seat. Background Art

[0002] The seat height of a chair refers to the vertical distance between the seat surface and the ground. If the seat height is too high, the user's feet will be suspended in the air, compressing the thigh blood vessels and causing leg numbness after a period of time. If the seat height is too low, the user's feet cannot stretch freely, causing back fatigue. Some chairs have a lift function, which can be used to adjust the seat height by adjusting the seat height, but this solution is expensive (it requires a drive motor or a trigger lever). To address this, some chairs have a liftable pedal that allows the user to adjust the seat height by adjusting the height of the pedal. However, for the same user, changes in their seat position and sitting posture will also affect the foot placement that is most comfortable for the user. For example, if a user changes from sitting relatively forward to sitting relatively backward, or from sitting relatively forward to sitting relatively backward, the user needs to adjust the foot position according to their usage habits, not only in height but also in the fore-aft direction. The pedals in the related art, which only adjust height, cannot fully meet user needs.

[0003] In addition, the pedal in the related art is very inconvenient to adjust the height, and the user needs to bend over to lock and unlock. This is especially true for shorter children, who cannot touch the locking and unlocking structure of the pedal when sitting on the seat. Utility Model Content

[0004] The purpose of the utility model is to provide an adjustable pedal for a seat and a seat, which can adjust the height position and the front-back position of the pedal body according to the user's usage requirements.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] An adjustable pedal for a seat, comprising a pedal body, the adjustable pedal further comprising:

[0007] A mounting base, which is used to connect with the foot pan of the seat;

[0008] A lifting frame is slidably arranged on the mounting seat along the height direction of the seat, and the pedal body is slidably arranged on the lifting frame along the front-rear direction of the seat;

[0009] a locking assembly disposed between the lifting frame and the mounting base and having a locked state and an unlocked state; and

[0010] A locking assembly, which is disposed between the pedal body and the lifting frame body and has a locked state and an unlocked state;

[0011] Wherein, the lifting frame body is fixed relative to the mounting seat when the locking assembly is in a locked state, and the lifting frame body can slide relative to the mounting seat when the locking assembly is in an unlocked state;

[0012] The pedal body is fixed relative to the lifting frame when the locking assembly is in a locked state, and the pedal body can slide relative to the lifting frame when the locking assembly is in an unlocked state.

[0013] Preferably, the mounting seat is formed with a sliding hole extending in the height direction of the seat, and the lifting frame body includes a connecting shell, the connecting shell extends into the sliding hole and the two are slidably matched;

[0014] The locking assembly comprises:

[0015] a fixing plate, which is fixedly arranged on the inner wall of the sliding hole and is formed with an assembly groove;

[0016] A card plate fixedly mounted on the connecting shell, the card plate being formed with a plurality of oblique card slots distributed along the height direction of the seat;

[0017] a clamping member disposed in the assembly groove and having a rotating shaft and a clamping shaft, wherein the clamping member is rotatably connected to the fixing plate via the rotating shaft; and

[0018] an elastic member disposed between the clamping member and the inner wall of the assembly groove and applying pressure to the clamping member so that the clamping shaft tends to be clamped into the oblique clamping groove;

[0019] Wherein, the card shaft is locked into the oblique card slot when the locking assembly is in a locked state, and the card shaft is separated from the oblique card slot when the locking assembly is in an unlocked state.

[0020] Preferably, the inner wall of the assembly groove forms a limiting groove through a rib structure, the clamp is provided with a limiting column, the elastic part is a compression spring, one end of the compression spring is sleeved outside the limiting column and abuts against the clamp, and the other end of the compression spring is located in the limiting groove and abuts against the inner wall of the assembly groove.

[0021] Preferably, the card plate is formed with a groove, and the bottom wall of the groove is formed with a card strip extending in the height direction of the seat, and the oblique card slot is formed on the card strip, and the groove includes a limiting channel surrounding the card strip and connected to the oblique card slot, and the limiting channel includes a first channel and a second channel, and the first channel and the second channel both extend from the top to the bottom of the groove and are respectively located on both sides of the card strip; the lifting frame body has a first sliding stroke and a second sliding stroke relative to the mounting seat, and the card shaft slides along the first channel when the lifting frame body is in the first sliding stroke and can be clamped in and out of the oblique card slot; the card shaft slides along the second channel when the lifting frame body is in the second sliding stroke and remains separated from the oblique card slot under the obstruction of the card strip.

[0022] Preferably, the top of the groove cooperates with the top of the card strip to form a first guide structure, and the bottom of the groove cooperates with the bottom of the card strip to form a second guide structure; the first guide structure and the elastic member cooperate to drive the card shaft to move from the second channel to the first channel when the lifting frame is in the end section of the second sliding stroke, and the second guide structure and the elastic member cooperate to drive the card shaft to move from the first channel to the second channel when the lifting frame is in the end section of the first sliding stroke.

[0023] Preferably, the locking assembly includes a positioning groove formed on the lifting frame body and a positioning bead provided on the pedal body, and there are multiple positioning grooves and they are spaced apart along the front-to-back direction of the seat; the beads in the positioning beads are partially embedded in the positioning groove when the locking assembly is in a locked state, and the beads in the positioning beads are separated from the positioning groove when the locking assembly is in an unlocked state.

[0024] Preferably, the lifting frame body includes a connecting plate located above the mounting seat, the pedal body is located above the connecting plate and the two are slidably matched; the connecting plate is provided with a long hole extending along the front and rear direction of the seat, and the adjustable pedal also includes a connecting block, the connecting block includes a limiting portion located below the connecting plate and a flange portion formed on the limiting portion, the flange portion passes through the long hole and is detachably connected to the pedal body, and the flange portion is slidably matched with the long hole.

[0025] Preferably, the upward surface of the pedal body is provided with anti-slip grooves.

[0026] Preferably, the connecting plate is formed with a pressure portion, and there is a space between the pressure portion and the mounting seat for the user's feet to be inserted into, and the pressure portion is configured to drive the lifting frame to rise and fall and slide relative to the mounting seat under the action of external force.

[0027] In addition, to achieve the above purpose, the present invention also adopts the following technical solutions:

[0028] A seat comprising a foot pan, the seat further comprising an adjustable pedal as described in any one of the above technical solutions, the adjustable pedal being mounted on the foot pan via the mounting seat.

[0029] Compared with the prior art, the beneficial effects of the present invention are:

[0030] A lifting frame is provided between the mounting base and the pedal body. The pedal body and the lifting frame are designed to slide together in the front-to-back direction, and the lifting frame and the mounting base are designed to slide together in the height direction. A locking assembly is used to lock and unlock the lifting frame relative to the mounting base, and a locking assembly is used to lock and unlock the pedal body relative to the lifting frame. This allows users to adjust the position of the pedal body in the front-to-back direction and in the height direction according to their needs, better meeting their needs and improving comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A schematic structural diagram of an adjustable pedal for a seat provided in an embodiment of the present application;

[0032] Figure 2 This is an exploded view of the adjustable pedal;

[0033] Figure 3 It is a front view of the card plate in the locking assembly;

[0034] Figure 4 It is a schematic diagram of the assembly of the fixing plate, the clamping member and the elastic member in the locking assembly;

[0035] Figure 5 It is a cross-sectional view of the locking assembly when the lifting frame is in the first sliding stroke and the clamping shaft is clamped in the oblique clamping groove;

[0036] Figure 6 It is a cross-sectional view of the locking assembly when the lifting frame is in the first sliding stroke and the clamping shaft is out of the oblique clamping slot;

[0037] Figure 7 is a cross-sectional view of the locking assembly when the lifting frame is at the end of the first sliding stroke;

[0038] Figure 8 is a cross-sectional view of the locking assembly when the lifting frame is in the second sliding stroke;

[0039] Figure 9 is a cross-sectional view of the locking assembly when the lifting frame body is at the end of the second sliding stroke;

[0040] Figure 10 The figure is a schematic diagram of the structure of a seat equipped with the adjustable pedal.

[0041] Among them, 1. pedal body; 10. anti-slip groove; 2. mounting seat; 20. sliding hole; 3. lifting frame; 30. connecting shell; 31. connecting plate; 310. positioning groove; 311. long hole; 312. pressure-bearing part; 4. fixing plate; 40. assembly groove; 41. limiting groove; 42. first compression spring; 43. second compression spring; 5. clamping plate; 50. groove; 500. first channel; 501. second channel; 502. first guide arc surface; 503. second guide arc surface; 51. clamping strip; 510. oblique clamping groove; 511. third guide arc surface; 512. fourth guide arc surface; 6. clamping part; 60. rotating shaft; 61. clamping shaft; 62. limiting column; 7. positioning bead; 70. outer shell; 71. bead body; 8. connecting block; 80. limiting part; 81. flange part; 9. foot plate. DETAILED DESCRIPTION

[0042] Below, the present invention is further described in conjunction with the accompanying drawings and specific embodiments. It should be noted that, under the premise of no conflict, the various embodiments described below or the various technical features can be arbitrarily combined to form a new embodiment. Unless otherwise specified, the materials and equipment used in this embodiment can be purchased from the market. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and cannot be understood as limiting this application.

[0043] In the description of this application, it should be understood that the terms "upper," "lower," "front," "back," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of this application and simplify the description. They do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting this application. In the description of this application, "plurality" means two or more, unless otherwise specifically specified.

[0044] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "connected," "connected," and "connected" should be understood in a broad sense. For example, they may refer to a fixed connection, a connection through an intermediary medium, internal communication between two components, or an interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0045] This embodiment provides an adjustable pedal for a seat, such as Figure 1 、 Figure 2 and Figure 10As shown in the figure, the adjustable pedal includes a pedal body 1, a mounting base 2, a lifting frame 3, a locking assembly and a locking assembly. The pedal body 1 is slidably mounted on the lifting frame 3 along the front-back direction of the seat, and the lifting frame 3 is slidably mounted on the mounting base 2 along the height direction of the seat. The mounting base 2 is used to connect with the foot pan 9 of the seat. Figure 1 and Figure 10 As shown in , the "front" in the front-to-back direction refers to the visual direction of the user when sitting on the seat, or in other words, the direction from the side where the seat back is located to the side where the pedal body 1 is located is the forward direction.

[0046] The locking assembly is disposed between the lifting frame 3 and the mounting seat 2 and has a locked state and an unlocked state. When the locking assembly is in the locked state, the lifting frame 3 is fixed relative to the mounting seat 2. When the locking assembly is in the unlocked state, the lifting frame 3 can slide relative to the mounting seat 2. The locking assembly is disposed between the pedal body 1 and the lifting frame 3 and has a locked state and an unlocked state. When the locking assembly is in the locked state, the pedal body 1 is fixed relative to the lifting frame 3. When the locking assembly is in the unlocked state, the pedal body 1 can slide relative to the lifting frame 3.

[0047] A lifting frame 3 is provided between the mounting base 2 and the pedal body 1. The pedal body 1 and the lifting frame 3 are designed to slide together in the front-to-back direction, and the lifting frame 3 and the mounting base 2 are designed to slide together in the height direction. A locking assembly is used to lock and unlock the lifting frame 3 relative to the mounting base 2, and a locking assembly is used to lock and unlock the pedal body 1 relative to the lifting frame 3. Thus, the user can adjust the position of the pedal body 1 in the front-to-back direction and in the height direction according to usage needs, better meeting user needs and improving comfort.

[0048] As mentioned above, the lifting frame body 3 is slidably engaged with the mounting seat 2. Specifically in this embodiment, the mounting seat 2 is formed with a sliding hole 20 extending along the height direction of the seat. The lifting frame body 3 includes a connecting shell 30, which extends into the sliding hole 20 and the two are slidably engaged.

[0049] Further, combined Figure 3 and Figure 4As shown in FIG, the locking assembly in this embodiment includes a fixed plate 4, a clamping plate 5, a clamping member 6, and an elastic member. The fixed plate 4 is fixedly mounted on the inner wall of the slide hole 20 and is formed with an assembly slot 40. The clamping plate 5 is fixedly mounted on the connecting housing 30 and is formed with a plurality of oblique clamping slots 510 distributed along the height direction of the seat. The clamping member 6 is disposed within the assembly slot 40 and is formed with a rotating shaft 60 and a clamping shaft 61. The clamping member 6 is rotatably connected to the fixed plate 4 via the rotating shaft 60. The clamping member 6 is configured such that when the locking assembly is in the locked state, the clamping shaft 61 engages with the oblique clamping slot 510, thereby securing the clamping plate 5 to the fixed plate 4. When the locking assembly is in the unlocked state, the clamping shaft 61 separates from the oblique clamping slot 510, thereby enabling relative sliding of the clamping plate 5 and the fixed plate 4.

[0050] The elastic member is arranged between the clamping member 6 and the inner wall of the assembly groove 40, and the elastic member applies pressure to the clamping member 6 so that the clamping shaft 61 has a tendency to be clamped into the oblique clamping groove 510. That is, when the clamping shaft 61 is aligned with the oblique clamping groove 510, the clamping member 6 can swing relative to the fixed plate 4 under the pressure of the elastic member and make the clamping shaft 61 clamped into the oblique clamping groove 510. The elastic member in this embodiment is a compression spring. Specifically, the inner wall of the assembly groove 40 is formed into a limiting groove 41 by a rib structure, and the clamping member 6 is provided with a limiting column 62. One end of the compression spring is sleeved outside the limiting column 62 and abuts against the clamping member 6, and the other end of the compression spring is located in the limiting groove 41 and abuts against the inner wall of the assembly groove 40. In this embodiment, there are two compression springs. For the convenience of description, the compression spring on one side is named the first compression spring 42, and the compression spring on the other side is named the second compression spring 43.

[0051] As previously mentioned, in order to adjust the pedal's height, related art techniques employ a locking and unlocking mechanism that requires user operation. This locking and unlocking mechanism can be a handle, a button, or the like. During operation, the user first unlocks the pedal by pulling the handle or pressing the button, then lifts or presses the pedal to raise or lower it. Once the pedal reaches its target position, the user then locks the pedal by pulling the handle or pressing the button. This requires the user to operate two components (the locking and unlocking mechanism and the pedal) with both hands, often requiring the user to leave their seat and squat to perform the operation, which is inconvenient. Furthermore, performing pedal adjustment after leaving their seat also prevents the user from accurately sensing whether the pedal has reached its target position, often requiring multiple adjustments and seated experience before the operation is complete. To address this issue, in this embodiment, the locking assembly is designed to automatically lock and unlock, allowing the user to simply pull or press the lifting frame 3 to unlock, raise, or lock the pedal.

[0052] Specifically, such as Figure 3As shown in the figure, the card plate 5 in this embodiment is formed with a groove 50, and the bottom wall of the groove 50 is formed with a card strip 51 extending along the height direction of the seat, and an oblique card slot 510 is formed on the card strip 51. The groove 50 includes a limiting channel surrounding the card strip 51 and connected to the oblique card slot 510. The limiting channel includes a first channel 500 and a second channel 501. The first channel 500 and the second channel 501 both extend from the top to the bottom of the groove 50 and are respectively located on both sides of the card strip 51. Figure 3 The dashed line is used as the boundary, the upper endpoint of the dashed line is the top endpoint of the groove 50, the lower endpoint of the dashed line is the bottom endpoint of the groove 50, one side of the dashed line is the first channel 500, and the other side of the dashed line is the second channel 501.

[0053] The lifting frame 3 has a first sliding stroke and a second sliding stroke relative to the mounting base 2. When the lifting frame 3 is in the first sliding stroke, the latch shaft 61 slides along the first channel 500 and can engage and disengage from the oblique slot 510. When the lifting frame 3 is in the second sliding stroke, the latch shaft 61 slides along the second channel 501 and remains separated from the oblique slot 510 due to the blocking of the latch bar 51. Specifically, the latch shaft 61 extends into the groove 50 and can slide along the limiting channel. When the latch shaft 61 slides within the first channel 500, the user's external force and the elastic force of the elastic member cause the latch shaft 61 to engage and disengage from the oblique slot 510, thereby enabling the locking assembly to switch between a locked and unlocked state. When the latch shaft 61 slides within the second channel 501, the latch shaft 61 is blocked by the latch bar 51, preventing it from aligning with the opening of the oblique slot 510. The latch shaft 61 remains separated from the oblique slot 510, maintaining the locking assembly in the unlocked state.

[0054] Furthermore, in this embodiment, the top of the groove 50 cooperates with the top of the clip 51 to form a first guide structure, while the bottom of the groove 50 cooperates with the bottom of the clip 51 to form a second guide structure. The first guide structure cooperates with the elastic member to drive the clip 61 from the second channel 501 to the first channel 500 when the lifting frame 3 is in the final stage of the second sliding stroke. The second guide structure cooperates with the elastic member to drive the clip 61 from the first channel 500 to the second channel 501 when the lifting frame 3 is in the final stage of the first sliding stroke. The first guide structure comprises a first curved guide surface 502 formed at the top of the groove 50 and a third curved guide surface 511 formed at the top of the clip 51. The second guide structure comprises a second curved guide surface 503 formed at the bottom of the groove 50 and a fourth curved guide surface 512 formed at the bottom of the clip 51.

[0055] Combine Figures 5 to 9 The height adjustment process of the adjustable pedals is as follows:

[0056] assumed Figure 5The relative positions of the fixing plate 4, the clamping member 6 and the clamping plate 5 shown in the figure are in the initial state. Accordingly, at this time, the lifting frame 3 and the pedal body 1 set on the lifting frame 3 have an initial height relative to the mounting base 2. If the user wants to adjust the pedal body 1 upward based on the initial height, the user needs to push the lifting frame 3 upward, as shown in FIG. Figure 5 As shown by the middle arrow, the lifting frame 3 slides upward, thereby driving the card plate 5 fixedly installed on the lifting frame 3 to move upward, and the result is as shown in FIG. Figure 6 The relative positions of the fixed plate 4, the clamping member 6 and the clamping plate 5 are shown in the figure. The operation principle of this process is described as follows: the user applies an upward force to the clamping plate 5 through the lifting frame 3, and the oblique clamping slot 510 on the clamping plate 5 opens obliquely downward. The inner wall of the oblique clamping slot 510 is formed with an inclined surface, and the upward force applied to the clamping plate 5 can be partially converted into a force obliquely acting on the clamping shaft 61 by utilizing the oblique surface. That is, the clamping member 6 can overcome the pressure of the elastic member (specifically, the first compression spring 42 in this embodiment) by applying oblique pressure on the clamping shaft 61 through the inner wall of the oblique clamping slot 510 and perform a swinging motion. The clamping member 6 causes the clamping shaft 61 to disengage from the oblique clamping slot 510 through the swinging motion, and the result is as shown below. Figure 6 The relative positions of the fixing plate 4, the clamping member 6, and the clamping plate 5 are shown in FIG. With this design, when the clamping plate 5 moves upward under an external force, the clamping shaft 61 can engage and disengage with respect to the oblique clamping slot 510. Furthermore, when the clamping shaft 61 is engaged in the oblique clamping slot 510, the user's feet stepping on the pedal body 1 (equivalent to applying a downward force to the clamping plate 5) will not cause the clamping shaft 61 to separate from the oblique clamping slot 510.

[0057] It is easy to understand that at this time, if the user continues to push the lifting frame 3 upward, Figure 6 As indicated by the middle arrow, the lifting frame 3 drives the clamping plate 5 upward, aligning the opening of the next oblique slot 510 with the clamping shaft 61. Since the clamping shaft 61 is separated from the oblique slot 510, the inner wall of the oblique slot 510 no longer exerts pressure on the clamping shaft 61. Under the pressure of the elastic member (first compression spring 42), the clamping shaft 61 re-engages the oblique slot 510. During this process, the lifting frame 3 is continuously in the first sliding stroke, and the clamping shaft 61 is continuously sliding within the first channel 500 except when it is engaged in the oblique slot 510.

[0058] When the user pushes the lifting frame 3 upward, the locking shaft 61 is locked in and out of the oblique locking slot 510 one or more times until the pedal body 1 is adjusted to the target position.

[0059] If the user wants to adjust the pedal body 1 downward based on the initial height, the user needs to first perform the above-mentioned operation of pushing the lifting frame 3 upward until it reaches the end of the first sliding stroke. Figure 7As shown in the figure, the clamping shaft 61 on the clamping member 6 escapes from the oblique clamping groove 510 at the bottom and enters the end section of the first channel 500. At this time, since the inner wall of the bottom end of the groove 50 contacts and abuts the clamping shaft 61, the clamping plate 5 and the lifting frame 3 fixed to the clamping plate 5 can no longer move upward, and the user needs to push the lifting frame 3 downward. Figure 7 As shown by the middle arrow, the lifting frame 3 drives the clamping plate 5 to slide downward. Under the action of the second guide structure (the second guide arc surface 503 and the fourth guide arc surface 512) and the elastic member (the first compression spring 42), the clamping shaft 61 switches from the first channel 500 to the second channel 501. Accordingly, the lifting frame 3 switches from the first sliding stroke to the second sliding stroke. When the clamping shaft 61 is in the second channel 501 and the lifting frame 3 is performing the second sliding stroke, the relative positions of the fixed plate 4, the clamping member 6 and the clamping plate 5 are as shown in FIG. Figure 8 As shown in , the locking assembly is always in the unlocked state during this process.

[0060] like Figure 8 As shown by the middle arrow, the user keeps pushing the lifting frame 3 downward until the clamping plate 5, the clamping member 6 and the fixing plate 4 are in the same position as shown in FIG. Figure 9 , at this time, the top inner wall of the groove 50 on the card plate 5 contacts and abuts the card shaft 61, and the card plate 5 and the lifting frame 3 fixed to the card plate 5 can no longer move downward. The user needs to push the lifting frame 3 upward, and the lifting frame 3 drives the card plate 5 to slide upward. Under the action of the first guide structure (the first guide arc surface 502 and the third guide arc surface 511) and the elastic member (the second compression spring 43), the card shaft 61 switches from the second channel 501 to the first channel 500, and accordingly, the lifting frame 3 switches from the second sliding stroke to the first sliding stroke.

[0061] like Figure 9 As shown in FIG, the latch shaft 61 is now located above the uppermost oblique latching slot 510 on the latch plate 5. Accordingly, the lifting frame 3 and the pedal body 1 mounted thereon are already at their lowest height. The user can simply follow the aforementioned steps to adjust the pedal body 1 upward. As the user pushes the lifting frame 3 upward, the latch shaft 61 engages and disengages the oblique latching slot 510 one or more times until the pedal body 1 is adjusted to the target position.

[0062] In summary, when using the adjustable pedal provided by the present application, through the designed locking assembly, if the pedal body 1 needs to be adjusted upward, the lifting frame 3 can be directly pushed upward until the pedal body 1 slides to the target position. If the pedal body 1 needs to be adjusted downward, the lifting frame 3 needs to be pushed upward to the highest position first, then pushed downward to the lowest position, and then pushed upward in the same way as the pedal body 1 was adjusted upward until the pedal body 1 slides to the target position.

[0063] The lifting frame 3 in this embodiment further includes a connecting plate 31 and two connecting housings 30, which are fixedly disposed below the connecting plate 31 at intervals. Accordingly, two sets of locking assemblies and two sets of sliding holes 20 are each provided on the mounting base 2, with the two sets of locking assemblies, the two sets of sliding holes 20, and the two connecting housings 30 correspondingly disposed.

[0064] The pedal body 1 is slidably arranged on the connecting plate 31. Figure 1 and Figure 2 As shown in FIG, in this embodiment, a pressure-receiving portion 312 is formed on the connecting plate 31. Specifically, the two ends of the connecting plate 31 located outside the two connecting shells 30 constitute the pressure-receiving portion 312. A space is defined between the pressure-receiving portion 312 and the mounting base 2 for the user's foot to enter. The pressure-receiving portion 312 is configured to, under external pressure, drive the lifting frame 3 to rise and fall relative to the mounting base 2. As will be readily understood, since the lifting frame 3 can rise and fall relative to the mounting base 2, the height of the space is variable; it is only necessary to ensure that the space is large enough for the user's foot to enter when the lifting frame 3 is at its lowest position. This allows the user to maintain a normal sitting position by inserting their feet into the space and, by pushing upward on the lower surface of the pressure-receiving portion 312, the lifting frame 3 can slide upward. To push the lifting frame 3 downward (when the locking shaft 61 is within the second channel 501), the user simply presses down on the pedal body 1 with their feet.

[0065] like Figure 2 As shown in FIG, the locking assembly in this embodiment includes a positioning groove 310 formed on the lifting frame 3 and a positioning bead 7 provided on the pedal body 1. Specifically, the positioning groove 310 is provided on the connecting plate 31 of the lifting frame 3. There are multiple positioning grooves 310, which are spaced apart along the front-to-back direction of the seat. The beads 71 ​​of the positioning bead 7 are partially embedded in the positioning groove 310 when the locking assembly is in the locked state. The beads 71 ​​of the positioning bead 7 are separated from the positioning groove 310 when the locking assembly is in the unlocked state.

[0066] Positioning bead 7 comprises a housing 70, a spring disposed within housing 70, and a bead 71 partially located within housing 70. Due to the constraints of housing 70, bead 71 is partially exposed outside housing 70 and partially located within housing 70. The spring abuts between housing 70 and bead 71, and the spring's elastic action causes bead 71 to tend to move outward. The shape of positioning groove 310 is adapted to match that of ball 71; in this embodiment, positioning groove 310 is spherical.

[0067] When the user needs to adjust the position of the pedal body 1 in the forward and backward directions, they can push and pull the pedal body 1 with both hands, or use their feet to push and pull the pedal body 1 using friction. After the pedal body 1 is subjected to a forward force that reaches a certain value, the interaction between the inner wall surface of the positioning groove 310 and the outer surface of the bead 71 can overcome the elastic force of the spring inside the positioning bead 7 and drive the bead 71 to retract into the shell 70. After the bead 71 is released from the positioning groove 310, the pedal body 1 can slide relative to the connecting plate 31 and achieve position adjustment. After the pedal body 1 reaches the target position, the external force is removed, and the bead 71, under the action of the spring, extends out of the shell 70 and snaps into the positioning groove 310 at the corresponding position.

[0068] like Figure 1 As shown in FIG, in this embodiment, anti-skid grooves 10 are further provided on the upper surface of the pedal body 1. The anti-skid grooves 10 can increase friction, making it easier for the user to drive the pedal body 1 to slide back and forth.

[0069] like Figure 2 As shown in , the adjustable pedal provided in this embodiment further includes a connecting block 8. The connecting plate 31 is provided with an elongated hole 311 extending in the front-to-back direction of the seat. The connecting block 8 includes a limiting portion 80 located below the connecting plate 31 and a flange portion 81 formed on the limiting portion 80. The flange portion 81 passes through the elongated hole 311 and is detachably connected to the pedal body 1. The flange portion 81 slidably engages with the elongated hole 311. The provision of the elongated hole 311 and the connecting block 8 can limit the sliding movement of the pedal body 1 in the front-to-back direction, thereby improving the sliding stability of the pedal body 1 and preventing the pedal body 1 from separating from the connecting plate 31.

[0070] The lower surface of the connecting plate 31 is provided with a first mounting groove adapted to the housing 70. The housing 70 of the positioning bead 7 is tightly fitted and inserted into the first mounting groove, thereby achieving a fixed connection between the positioning bead 7 and the connecting plate 31. A connecting post can also be fixedly provided on the flange portion 81, and a second mounting groove adapted to the connecting post is provided on the lower surface of the connecting plate 31. The connecting block 8 is tightly fitted into the second mounting groove via the connecting post to achieve a fixed connection between the connecting block 8 and the connecting plate 31.

[0071] like Figure 10 As shown in , the adjustable pedal provided in this embodiment can be applied to a seat, wherein the seat includes a foot pan 9 , and the adjustable pedal is mounted on the foot pan 9 via a mounting base 2 .

[0072] Finally, it should be noted that the above-mentioned implementation mode is only an optional embodiment of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.

Claims

1. An adjustable pedal for a seat, comprising a pedal body, characterized in that: The adjustable pedal further comprises: A mounting base, which is used to connect with the foot pan of the seat; A lifting frame is slidably arranged on the mounting seat along the height direction of the seat, and the pedal body is slidably arranged on the lifting frame along the front-rear direction of the seat; a locking assembly disposed between the lifting frame and the mounting base and having a locked state and an unlocked state; and A locking assembly, which is disposed between the pedal body and the lifting frame body and has a locked state and an unlocked state; Wherein, the lifting frame body is fixed relative to the mounting seat when the locking assembly is in a locked state, and the lifting frame body can slide relative to the mounting seat when the locking assembly is in an unlocked state; The pedal body is fixed relative to the lifting frame when the locking assembly is in a locked state, and the pedal body can slide relative to the lifting frame when the locking assembly is in an unlocked state.

2. The adjustable pedal according to claim 1, wherein: The mounting seat is formed with a sliding hole extending in the height direction of the seat, and the lifting frame body includes a connecting shell, the connecting shell extends into the sliding hole and the two are slidably matched; The locking assembly comprises: a fixing plate, which is fixedly arranged on the inner wall of the sliding hole and is formed with an assembly groove; A card plate fixedly mounted on the connecting shell, the card plate being formed with a plurality of oblique card slots distributed along the height direction of the seat; a clamping member disposed in the assembly groove and having a rotating shaft and a clamping shaft, wherein the clamping member is rotatably connected to the fixing plate via the rotating shaft; and an elastic member disposed between the clamping member and the inner wall of the assembly groove and applying pressure to the clamping member so that the clamping shaft tends to be clamped into the oblique clamping groove; Wherein, the card shaft is locked into the oblique card slot when the locking assembly is in a locked state, and the card shaft is separated from the oblique card slot when the locking assembly is in an unlocked state.

3. The adjustable pedal according to claim 2, wherein: The inner wall of the assembly groove forms a limiting groove through a rib structure, the clamp is provided with a limiting column, the elastic member is a compression spring, one end of the compression spring is sleeved outside the limiting column and abuts against the clamp, and the other end of the compression spring is located in the limiting groove and abuts against the inner wall of the assembly groove.

4. The adjustable pedal according to claim 2, wherein: The card plate is formed with a groove, and a clamping strip extending in the height direction of the seat is formed on the bottom wall of the groove. The oblique card slot is formed on the clamping strip. The groove includes a limiting channel surrounding the clamping strip and communicating with the oblique card slot. The limiting channel includes a first channel and a second channel. The first channel and the second channel both extend from the top to the bottom of the groove and are respectively located on both sides of the clamping strip. The lifting frame body has a first sliding stroke and a second sliding stroke relative to the mounting seat. When the lifting frame body is in the first sliding stroke, the card shaft slides along the first channel and can be inserted into and removed from the oblique card slot. When the lifting frame body is in the second sliding stroke, the card shaft slides along the second channel and remains separated from the oblique card slot under the obstruction of the card strip.

5. The adjustable pedal according to claim 4, wherein: The top of the groove cooperates with the top of the clip bar to form a first guide structure, and the bottom of the groove cooperates with the bottom of the clip bar to form a second guide structure; The first guide structure and the elastic member cooperate to drive the card shaft to move from the second channel to the first channel when the lifting frame is in the end section of the second sliding stroke. The second guide structure and the elastic member cooperate to drive the card shaft to move from the first channel to the second channel when the lifting frame is in the end section of the first sliding stroke.

6. The adjustable pedal according to claim 1, wherein: The locking assembly includes a positioning groove formed on the lifting frame and a positioning bead provided on the pedal body, wherein the positioning grooves are multiple and spaced apart along the front-to-back direction of the seat; The beads in the positioning beads are partially embedded in the positioning groove when the locking assembly is in a locked state, and the beads in the positioning beads are separated from the positioning groove when the locking assembly is in an unlocked state.

7. The adjustable pedal according to any one of claims 1 to 6, characterized in that: An upward surface of the pedal body is provided with anti-slip grooves.

8. The adjustable pedal according to any one of claims 1 to 6, characterized in that: The lifting frame includes a connecting plate located above the mounting seat, and the pedal body is located above the connecting plate and the two are slidably matched; The connecting plate is provided with a long hole extending in the front-to-back direction of the seat, and the adjustable pedal also includes a connecting block, which includes a limiting portion located below the connecting plate and a flange portion formed on the limiting portion, the flange portion passes through the long hole and is detachably connected to the pedal body, and the flange portion slides in conjunction with the long hole.

9. The adjustable pedal according to claim 8, wherein: The connecting plate is formed with a pressure portion, and there is a space between the pressure portion and the mounting seat for the user's feet to be inserted. The pressure portion is configured to drive the lifting frame to rise and fall and slide relative to the mounting seat under the action of external force.

10. A seat including a footrest, characterized in that: The seat further comprises an adjustable pedal according to any one of claims 1 to 9, wherein the adjustable pedal is mounted on the foot pan via the mounting seat.

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