Height-adjustable foot pad

Abstract

The utility model relates to a height adjusting foot pad which comprises a foundation pillar and a height adjusting assembly. The height adjusting foot pad is ingenious in design and simple in structure, the fixed clamping arm and the movable clamping arm form a set of fixing assembly for clamping and fixing the table leg, and it can be guaranteed that the height adjusting foot pad is fixedly connected with the table leg; when the movable clamping arms open the clamping space, the clamping space becomes large, when the movable clamping arms close the clamping space, the clamping space becomes small, the size of the clamping space is adjusted by moving the movable clamping arms, table legs of various sizes can be clamped and fixed, and practicability is high. The height adjusting foot pad is easy to install and operate, the movable clamping arms only need to be moved outwards to open the clamping space, then the table legs are inserted into the clamping space, the movable clamping arms are moved according to the actual sizes of the table legs till the table legs are clamped and fixed and the clamping space is closed, and the purpose that the height adjusting foot pad is rapidly fixed to the table legs is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of household articles, and more specifically to a height-adjustable foot pad. Background Art

[0002] In daily life, height-adjustable foot pads are a common household item, usually installed at the bottom of table legs to adjust the height of the table or bed to suit different needs and environments.

[0003] In the prior art, there are generally two ways to connect common height-adjusting foot pads to table legs. The first is to fix them to the bottom of the table legs with bolts. During installation, external tools are required to fix the height-adjusting foot pads to the table legs with fixing screws, which is more troublesome to operate. The second is to directly set a mounting groove on the upper surface of the height-adjusting foot pad, and the table legs only need to be inserted into the mounting groove. Although the second installation method is simpler than the first, different tables have different sizes, and the mounting groove size of the height-adjusting foot pad is generally fixed. If the size of the table leg is larger than the size of the mounting groove, it cannot be used. If the size of the table leg is smaller than the size of the mounting groove, the size of the table leg is incompatible with the size of the mounting groove of the height-adjusting foot pad, which will make the height-adjusting foot pad unable to be fixedly installed on the table leg, and the table leg will easily be displaced on the height-adjusting foot pad due to external force. Therefore, the compatibility of this height-adjusting foot pad is relatively low, and it is not suitable for table legs of different sizes. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a height-adjustable foot pad in view of the above-mentioned defects of the prior art.

[0005] The technical solution adopted by the utility model to solve the technical problem is: a height-adjustable foot pad, comprising a base column and a height-adjusting assembly for adjusting the height of the base column, wherein a fixed clamping arm and a movable clamping arm are provided on the upper surface of the base column; a clamping space for inserting a table leg is provided between the fixed clamping arm and the movable clamping arm; the movable clamping arm can move relative to the fixed clamping arm to open or close the clamping space;

[0006] The height-adjustable foot pad of the utility model, wherein one end of the movable clamp arm is rotatably connected to one end of the fixed clamp arm, and the other end is detachably connected to the other end of the fixed clamp arm through an adjustment locking device for adjusting the size of the clamping space;

[0007] The height-adjustable foot pad of the utility model, wherein the outer surface of one of the movable clamp arm and the fixed clamp arm is provided with a plurality of slots along its length direction, and the outer surface of the other is provided with a locking handle that is rotatably arranged to approach or move away from the slot; the locking handle is rotatably provided with a buckle that is engaged with any of the slots; the plurality of slots, the locking handle and the buckle constitute the adjustment locking device;

[0008] The height-adjustable foot pad of the utility model, wherein the adjustment locking device comprises a first connecting belt fixedly arranged on the fixed clamp arm, and a second connecting belt fixedly arranged on the movable clamp arm; the first connecting belt and the second connecting belt are directly tied and connected or connected through a connecting assembly;

[0009] The height-adjustable foot pad of the utility model further comprises a moving component for driving the base column to move, and a fixed support component for supporting the base column; the height-adjustable foot pad drives the moving component or the fixed support component to approach or move away from the clamping space along the height direction of the base column;

[0010] The height-adjustable foot pad of the utility model, wherein the base column comprises a first body and a second body arranged longitudinally; the second body comprises a movable block and a connecting sleeve movably sleeved on the outer side of the movable block; the first body is provided with a first guide column extending in the direction of the movable block; the movable block is provided with a first guide slot corresponding to the first guide column and plugged in with the first guide column;

[0011] The height-adjustable foot pad of the utility model, wherein the inner circumference of the connecting sleeve is provided with a plurality of second guide posts protruding toward the movable block and extending toward the first body; the outer circumference of the movable block is provided with a plurality of second guide slots corresponding to and matching the second guide posts one by one;

[0012] The height-adjustable foot pad of the utility model, wherein the outer surfaces of the plurality of second guide posts and the outer surface of the movable block are matched and connected to form a circular annular curved surface, and the second guide posts are fixedly connected to the first body; the height-adjusting assembly comprises an adjusting ring movably arranged between the first body and the second body; the inner wall surface of the adjusting ring is provided with an internal thread; the outer surface of the movable block is provided with an external thread threadedly connected with the internal thread;

[0013] The moving assembly includes a universal wheel fixedly arranged on the second guide column; at least a portion of the universal wheel protrudes from the bottom of the connecting sleeve;

[0014] The fixed support assembly includes a fixed support foot fixedly arranged on the movable block, and the fixed support foot moves with the movement of the movable block; a first gear and a second gear are provided on the moving trajectory of the movable block; when the movable block moves to the first gear, the lower surface of the fixed support foot is higher than the lower surface of the universal wheel; when the movable block moves to the second gear, the lower surface of the fixed support foot is lower than the lower surface of the universal wheel.

[0015] The beneficial effects of the utility model are as follows: the height-adjusting foot pad is cleverly designed and has a simple structure; the fixed clamping arm and the movable clamping arm constitute a group of fixing components for clamping and fixing the table legs, which can ensure that the height-adjusting foot pad is fixedly connected to the table legs; when the movable clamping arm opens the clamping space, the clamping space becomes larger, and when the movable clamping arm closes the space, the clamping space becomes smaller, and by moving the movable clamping arm and then adjusting the size of the clamping space, it is possible to clamp and fix table legs of various sizes, and the utility model is highly practical; and the installation and operation of the height-adjusting foot pad is simple, and it is only necessary to move the movable clamping arm outward to open the clamping space, and then insert the table leg into the clamping space, and move the movable clamping arm according to the actual size of the table leg until the table leg is clamped and fixed and the clamping space is closed, thereby achieving the purpose of quickly fixing the height-adjusting foot pad on the table leg. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work:

[0017] Figure 1 This is a schematic diagram of the structure of the height-adjustable foot pad of a preferred embodiment of the utility model. Figure 1 (Height adjustment foot pad clamping and locking state diagram);

[0018] Figure 2 This is a schematic diagram of the structure of the height-adjustable foot pad of a preferred embodiment of the utility model. Figure 2 (Height adjustment foot pad unlocked state diagram);

[0019] Figure 3 yes Figure 1 Exploded perspective view of the mid-height adjustable footrest. DETAILED DESCRIPTION

[0020] The terms "first", "second", "third" and "fourth" etc. in the specification and claims of the present invention and the drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units that are not listed, or may optionally include other steps or units that are inherent to these processes, methods, products or devices.

[0021] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0022] "Multiple" means two or more. "And / or" describes the relationship between related objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the related objects are in an "or" relationship.

[0023] Moreover, the terms "up, down, front, back, left, right, upper end, lower end, longitudinal" and the like indicating directions are all based on the posture and position of the device or equipment described in this solution during normal use.

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the following will be described clearly and completely in combination with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are partial embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the present invention.

[0025] A height-adjustable foot pad according to a preferred embodiment of the utility model is as follows Figure 1-2 As shown, the height-adjustable foot pad is clamped in a locked state and an unlocked state, respectively, and includes a base column 11 and a height-adjustable assembly for adjusting the height of the base column 11; a fixed clamp arm 21 and a movable clamp arm 22 are provided on the upper surface of the base column 11; a clamping space 23 for inserting a table leg is provided between the fixed clamp arm 21 and the movable clamp arm 22; the movable clamp arm 22 can move relative to the fixed clamp arm 21 to open or close the clamping space 23.

[0026] In one embodiment, the fixed clamp arm 21 and the movable clamp arm 22 are both arc-shaped structures protruding outward, and the two are mutually surrounded to form a circular ring. Optionally, the fixed clamp arm 21 and the movable clamp arm 22 can also be U-shaped or polygonal structures, and their specific shapes are not limited to the shapes shown in the drawings of this specification;

[0027] The height-adjustable foot pad is cleverly designed and has a simple structure. The fixed clamp arm and the movable clamp arm constitute a set of fixing components for clamping and fixing the table leg, which can ensure that the height-adjustable foot pad is fixedly connected to the table leg. When the movable clamp arm opens the clamping space, the clamping space becomes larger, and when the movable clamp arm closes the space, the clamping space becomes smaller. By moving the movable clamp arm to adjust the size of the clamping space, it is possible to clamp and fix table legs of various sizes, and the practicability is high. In addition, the height-adjustable foot pad is easy to install and operate. It only needs to move the movable clamp arm outward to open the clamping space, and then insert the table leg into the clamping space, and move the movable clamp arm according to the actual size of the table leg until the table leg is clamped and fixed and the clamping space is closed, thereby achieving the purpose of quickly fixing the height-adjustable foot pad on the table leg.

[0028] In order to make the installation of the table legs more convenient and firm, and to prevent the movable clamping arm from shifting during movement; one end of the movable clamping arm 22 is rotatably connected to one end of the fixed clamping arm 21, and the other end is detachably connected to the other end of the fixed clamping arm 21 through an adjustable locking device for adjusting the size of the clamping space 23, so that the clamping is stable and firm.

[0029] In one embodiment, the outer surface of the movable clamp arm 22 and the fixed clamp arm 21 are provided with a plurality of slots 211 along the length direction thereof, and the outer surface of the movable clamp arm 22 is rotatably provided with a locking handle 221 that is close to or away from the slot 211; the locking handle 221 is rotatably provided with a buckle 222 that cooperates with any of the slots 211; specifically, one end of the locking handle 221 close to the slot 211 is connected to one end of the movable clamp arm through a rotating shaft, and the buckle 222 is rotatably provided at the middle part of the locking handle 221 through another rotating shaft; the locking handle 221 is rotatably provided on the movable clamp arm 22 via the rotating shaft; further, the movable clamp arm 22 is provided with a first groove for accommodating the locking handle 221 223; when the locking handle 221 is accommodated in the first groove 223, its outer surface is flush with the outer surface of the movable clamping arm 22, with a compact structure and beautiful appearance; optionally, the fixed clamping arm 21 is provided with an avoidance groove 212 corresponding to and connected with the first groove 223 on the side facing the locking handle 221, which is used to avoid the buckle ring 222, and the slots are all located in the avoidance groove 212 and are connected with it. The protrusion formed between two adjacent slots 211 is used to prevent the buckle ring from moving out of the slot 211; the structure is simple, and optionally, the locking handle and the buckle ring can also be arranged on the fixed clamping arm, and the slot is arranged on the movable clamping arm. The technical solution constituted by the above structure through a simple position also belongs to the protection scope of the utility model. Multiple slots 211, locking handles 221 and buckle rings 222 constitute an adjustment locking device. Based on the lever principle, the adjustment locking device has a locked state and an unlocked state; such as Figure 1 As shown, in the locked state, the locking handle 221 is away from the card slot 211, and the buckle 222 is tightly fastened to the current card slot 211; Figure 2 As shown, in the unlocked state, the locking handle 221 is close to the card slot 211, and the buckle 222 can move outward from the current card slot 211.

[0030] In another embodiment, the adjustment locking device includes a first connecting strap fixedly arranged on the fixed clamping arm 21, and a second connecting strap fixedly arranged on the movable clamping arm 22; the first connecting strap and the second connecting strap are directly tied and connected or connected through a connecting component; wherein, the connecting component can adopt the Velcro connection structure in the prior art, and when in use, the size of the clamping space is adjusted according to the actual size of the table leg, and then the movable clamping arm and the fixed clamping arm are fixed by the Velcro, which is convenient to use; optionally, the connecting component can also be composed of a Japanese-shaped fastener provided on the first connecting strap and a plurality of button holes provided on the second connecting strap in the prior art; the Japanese-shaped fastener can select a suitable button hole to fasten according to the specific size of the table leg, thereby achieving the purpose of locking and fixing the fixed clamping arm and the movable clamping arm, so that the height adjustment foot pad is fixedly connected to the table leg, which can be suitable for table legs of various sizes and has strong practicality.

[0031] Furthermore, a metal sheet with relatively high hardness (not shown in the figure), such as a steel sheet, a metal alloy sheet or an iron sheet, is provided in the clamping space on the base column 11; this not only increases the load-bearing capacity of the height-adjusting foot pad, but also protects the base column.

[0032] Furthermore, in order to be more suitable for more small-sized table legs, the inner walls of the fixed clamp arm 21 and the movable clamp arm 22 can be detachably connected with pads 24 of different thicknesses, and the connection method can adopt the detachable connection method commonly used in the prior art, which will not be repeated again.

[0033] In one embodiment, in order to make the height-adjustable foot pad movable and fixed, the height-adjustable foot pad also includes a movable component that drives the base column 11 to move, and a fixed support component that supports the base column 11. Both the movable component and the fixed support component are located at the bottom of the clamping space 23. The height-adjusting component drives the movable component or the fixed support component to approach or move away from the clamping space 23 along the height direction of the base column 11. The height-adjusting component drives the movable component to move along the Z-axis or drives the fixed support component to move along the Z-axis, so that a height difference can be generated between the movable component and the fixed support component. When the movable component is in contact with the ground and the fixed support component is not in contact with the ground, the height-adjusting component and the table legs connected thereto can be pushed to move, so that users can easily push household items with table legs. On the contrary, when the movable component is not in contact with the ground and the fixed support component is in contact with the ground, the height-adjusting component and the table legs connected thereto are fixed to the ground, and the household items with table legs are firmly placed on the ground, providing a better user experience.

[0034] In one embodiment, in order to realize relative movement between the movable blocks of the first body and the second body, as Figure 3As shown, the base column 11 includes a first body 111 and a second body 112 arranged longitudinally; the second body 112 includes a movable block 1121 and a connecting sleeve 1122 movably mounted on the outer side of the movable block 1121; in order to prevent the movable block from deviating from the preset moving path during the movement, the first body 111 is provided with a first guide column 1111 extending toward the movable block 1121; the movable block 1121 is provided with a first guide slot 1123 corresponding to the first guide column 1111 and plugged in with the first guide column 1111; the first guide column 1111 can not only guide the movable block 1121 to move along the movable block 1121, but also can guide the movable block 1121 to move along the movable block 1121. The guiding effect of the moving block can also position the movable block; in one embodiment, multiple first guide posts 1111 and first guide slots 1123 are provided, and multiple first guide posts are arranged circumferentially in sequence, and the connection is stable; the first body 111 or the second body 112 is also provided with a limiter 1124 to prevent the first guide post 1111 from disengaging from the first guide slot 1123 outward; optionally, the limiter 1124 can be provided on the end face of the first guide slot on the second body, or can be provided in the middle of the first body and limit the movement of the movable block to the bottom of the first body. When the first body and the second body are assembled in place, the first guide post is inserted into the corresponding first guide slot, and the movable block can approach or move away from the clamping space along the first guide post, and the structure is stable.

[0035] In order to achieve relative movement between the connecting sleeve and the movable block; the inner circumference of the connecting sleeve 1122 is provided with a plurality of second guide columns 1125 protruding toward the movable block 1121 and extending toward the first body 111; the outer surface of the movable block 1121 is circumferentially provided with a plurality of second guide grooves 1126 corresponding to and adapted to the second guide columns 1125; the second guide columns 1125 and the second guide grooves 1126 cooperate with each other, so that the connecting sleeve and the movable block can be relatively moved, which is convenient for the subsequent purpose of adjusting the moving height of the movable block through the height adjustment assembly.

[0036] Further, the outer surfaces of the plurality of second guide posts 1125 and the outer surface of the movable block 1121 cooperate with each other to form a circular annular curved surface, and the second guide posts 1125 are fixedly connected to the first body 111; the height adjustment assembly includes an adjustment ring 113 movably arranged between the first body 111 and the second body 112; the inner wall surface of the adjustment ring 113 is provided with an internal thread 1131; the outer surface of the movable block 1121 is provided with an external thread 1129 threadedly connected with the internal thread. Based on the principle of spiral transmission, by rotating the adjustment ring, the internal thread on the adjustment ring interacts with the external thread on the movable block, thereby generating a force that pushes the movable block to move linearly along the length direction of the first guide post and the second guide post. Due to the wedge-shaped profile of the external thread and the internal thread, this movement mode can effectively convert the rotational motion into the linear motion, and can also convert the torque into the thrust. This transmission structure is simple, reliable, high in transmission efficiency, and easy to adjust. Optionally, the height adjustment assembly can also adopt the screw adjustment mode in the prior art or the electric adjustment mode that drives the movable block to move linearly.

[0037] In one embodiment, when the height adjustment assembly adjusts the height of the fixed support assembly, the moving assembly includes a universal wheel 1127 fixedly set on the second guide column 1125; at least a portion of the universal wheel 1127 protrudes from the bottom of the connecting sleeve 1122, with a simple structure, so that the base column has the function of moving; the fixed support assembly includes a fixed support foot 1128 fixedly set on the movable block 1121, with a simple structure; the base column has the function of fixed support; the fixed support foot 1128 moves with the movement of the movable block 1121; a first gear and a second gear are provided on the moving trajectory of the movable block 1121; when the movable block 1121 moves to the first gear, the lower surface of the fixed support foot 1128 is higher than the lower surface of the universal wheel 1127; when the movable block 1121 moves to the second gear, the lower surface of the fixed support foot 1128 is lower than the lower surface of the universal wheel 1127; the user can adjust the movable block according to the need to use it in the mobile mode or the fixed mode, which is flexible to use.

[0038] Optionally, in order to make the force on the base column more uniform and the movement or support more stable, multiple fixed support legs 1128 and multiple universal wheels 1127 are provided; multiple fixed support legs 1128 and multiple universal wheels 1127 are arranged in an alternating manner in the circumferential direction.

[0039] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

Claims

1. A height-adjustable foot pad, characterized in that: It comprises a base column and a height adjustment component for adjusting the height of the base column, wherein a fixed clamping arm and a movable clamping arm are provided on the upper surface of the base column; a clamping space for inserting a table leg is provided between the fixed clamping arm and the movable clamping arm; and the movable clamping arm can move relative to the fixed clamping arm to open or close the clamping space.

2. The height-adjustable foot pad according to claim 1, characterized in that: One end of the movable clamp arm is rotatably connected to one end of the fixed clamp arm, and the other end is detachably connected to the other end of the fixed clamp arm via an adjustment locking device for adjusting the size of the clamping space.

3. The height-adjustable foot pad according to claim 2, characterized in that: One of the movable clamp arm and the fixed clamp arm has a plurality of slots on its outer surface along its length direction, and the other has a locking handle rotatably provided on its outer surface that can be moved closer to or away from the slots; a buckle that can be rotatably provided on the locking handle can be engaged with any of the slots; the plurality of slots, the locking handle and the buckle constitute the adjustment locking device.

4. The height-adjustable foot pad according to claim 2, characterized in that: The adjusting and locking device comprises a first connecting belt fixedly arranged on the fixed clamp arm, and a second connecting belt fixedly arranged on the movable clamp arm; the first connecting belt and the second connecting belt are directly tied and connected or connected through a connecting component.

5. The height-adjustable foot pad according to any one of claims 1 to 4, characterized in that: The height-adjustable foot pad also includes a moving component that drives the base column to move, and a fixed support component that supports the base column; the height-adjustable component drives the moving component or the fixed support component to approach or move away from the clamping space along the height direction of the base column.

6. The height-adjustable foot pad according to claim 5, characterized in that: The base column includes a first body and a second body arranged longitudinally; the second body includes a movable block and a connecting sleeve movably sleeved on the outside of the movable block; the first body is provided with a first guide column extending toward the movable block; the movable block is provided with a first guide groove corresponding to the first guide column and cooperating with the first guide column.

7. The height-adjustable foot pad according to claim 6, characterized in that: The inner circumference of the connecting sleeve is provided with a plurality of second guide columns protruding toward the movable block and extending toward the first body; the outer circumference of the movable block is provided with a plurality of second guide grooves corresponding to and matching the second guide columns.

8. The height-adjustable foot pad according to claim 7, characterized in that: The outer surfaces of the plurality of second guide posts and the outer surface of the movable block cooperate with each other to form a circular curved surface, and the second guide posts are fixedly connected to the first body; the height adjustment assembly includes an adjustment ring movably arranged between the first body and the second body; the inner wall surface of the adjustment ring is provided with an internal thread; the outer surface of the movable block is provided with an external thread threadedly connected to the internal thread.

9. The height-adjustable foot pad according to claim 7 or 8, characterized in that: The moving assembly comprises a universal wheel fixedly arranged on the second guide column; at least a part of the universal wheel protrudes from the bottom of the connecting sleeve.

10. The height-adjustable foot pad according to claim 9, characterized in that: The fixed support assembly includes a fixed support foot fixedly arranged on the movable block, and the fixed support foot moves with the movement of the movable block; a first gear and a second gear are provided on the moving trajectory of the movable block; when the movable block moves to the first gear, the lower surface of the fixed support foot is higher than the lower surface of the universal wheel; when the movable block moves to the second gear, the lower surface of the fixed support foot is lower than the lower surface of the universal wheel.

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