Ergonomic handle and cutter

Abstract

The utility model discloses an ergonomic handle and cutter relates to daily necessities technical field, the handle includes the body, one side face of the body is provided with a plurality of first arc-shaped notch along its length direction, each first arc-shaped notch is provided with a self-adaptive slide block, and the self-adaptive slide block is provided with a plurality of second arc-shaped notches along its length direction. Each self-adaptive sliding block is connected with the arc-shaped inner wall surface of each first arc-shaped notch in a sliding manner; the cutter comprises the ergonomic handle and further comprises a cutter body, one end of the cutter body is fixed to one end of the body, a cutting edge is formed on one side of the cutter body, and the self-adaptive sliding block and the cutting edge are arranged on the same side. When the handle disclosed by the utility model is held by a user, the plurality of self-adaptive sliding blocks can respectively move according to the hand shape structure of the user, so that the integrating degree of the hand of the user and the handle is higher, and the experience feeling of the user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of daily necessities, and more particularly to an ergonomic handle and a knife. Background Art

[0002] In modern life, a handle, often referred to as a pull or grip, is used to operate or move an object. It is typically a component designed to be grasped by the hand to facilitate operation or movement. It can be a simple pull or a complex mechanical accessory, such as a doorknob or drawer handle. Handles are widely used in a variety of everyday items and mechanical equipment, such as knife handles, screwdriver handles, and fishing rod handles, facilitating operation. The comfort of a handle directly impacts the user experience.

[0003] Prior art Chinese patent CN201521014991.5 discloses an ergonomic handle having a cylindrical body with different dimensions at both ends. When gripped, the end closest to the thumb has a larger radial dimension, while the other end has a smaller radial dimension. The rest of the body smoothly transitions between the two ends. The cross-section of the body is an irregular ellipse, with the major axis of the ellipse arranged vertically, and the lateral dimension of the upper half greater than that of the lower half. When gripped, the end closest to the thumb is larger than the other end, allowing it to perfectly match the shape of the body. The irregular elliptical cross-section also matches the gripping shape of the hand, achieving a better grip experience and making it less likely to slip out of the hand. Insertion portions are provided at each end of the body, with radial dimensions smaller than the body, forming an annular step with the body. This prior art cannot adapt to different hand shapes when used by users with different hand shapes, resulting in low compatibility. Utility Model Content

[0004] In order to overcome the deficiency of the existing handle that cannot adapt to different hand shapes, the utility model provides an ergonomic handle and a knife, which can make adaptive deformation to different hand shapes and have strong compatibility.

[0005] In order to achieve the above-mentioned purpose, the present technical solution provides an ergonomic handle, which includes a main body, and a side surface of the main body is provided with a plurality of first arc-shaped notches along its length direction, and each of the first arc-shaped notches is provided with an adaptive slider, and each of the adaptive sliders is slidably connected to the arc-shaped inner wall surface of each of the first arc-shaped notches.

[0006] In this technical solution, since each user's hand shape is different, their fingers are thick or thin, and their palms are large or small, when the user holds the handle, the pressure at different positions of the handle on one side pressed by the user's fingers is different. At this time, several adaptive sliders located on one side of the main body are subjected to pressure from different positions of the fingers and move along the first arc-shaped notch. Then, each adaptive slider reaches a state of force balance and stops moving. After moving, each adaptive slider forms a structure adapted to the finger, so that one side of the handle better fits the finger position. Among them, each adaptive slider can move according to the hand shape of different users to form different adaptation structures, and has high compatibility.

[0007] Preferably, in order to adapt to the position of the user's fingers when holding the handle, a plurality of the first arc-shaped notches are arranged at equal intervals along the length direction of the body.

[0008] Preferably, the adaptive slider includes a first embedded block, the first embedded block has an arcuate surface adapted to the arcuate inner wall surface of the first arcuate notch, the first embedded block is provided with a first sliding groove along its arcuate surface, the arcuate inner wall surface is provided with a first sliding tenon adapted to the first sliding groove, the first sliding tenon is slidably connected to the first sliding groove, each first embedded block can slide along each first arcuate notch so that each first embedded block can rotate around the center of the circle corresponding to its arcuate surface, thereby forming a pit or protrusion adapted to the finger structure.

[0009] Preferably, in order to increase the fit between the adaptive slider and the finger, the adaptive slider also includes two second embedded blocks, the second embedded blocks have an arcuate surface, the second embedded blocks are provided with a second sliding groove along the arcuate surface, the end surface of the first embedded block away from the arcuate surface is provided with two second arcuate notches respectively adapted to the second embedded blocks, and a second sliding tenon adapted to the second sliding groove is provided along the arcuate surface of each second arcuate notch, each second sliding tenon is slidably connected to each second sliding groove, and the two second embedded blocks can further move on the basis of the rotation of the first embedded block, thereby forming a pit or protrusion that is more adapted to the finger structure.

[0010] Preferably, in order to further fit the finger structure, the adaptive slider also includes four third embedded blocks, the third embedded blocks have a curved surface, the third embedded blocks are provided with a third sliding groove along their curved surface, and the end surface of each second embedded block away from its curved surface is provided with two third curved notches respectively adapted to each of the third embedded blocks, and a third sliding tenon adapted to each of the third sliding grooves is provided along the curved surface of each of the third curved notches, and each of the third sliding tenons is slidably connected to each of the third sliding grooves. The four third embedded blocks can respectively rotate with the center of the circle corresponding to their curved surface as the axis, thereby increasing the adaptability to the finger structure.

[0011] Preferably, the first sliding tenon and the first sliding groove are respectively embedded with magnets that attract each other, the second sliding tenon and the second sliding groove are respectively embedded with magnets that attract each other, and the third sliding tenon and each of the third sliding grooves are respectively embedded with magnets that attract each other. The magnets can prevent the first insert, the second insert and the third insert from falling out of the first arc-shaped notch, the second arc-shaped notch and the third arc-shaped notch in which they are located. At the same time, the magnets can also serve to reset the first insert, the second insert and the third insert.

[0012] Preferably, in order to make the first embedment, the second embedment and the third embedment slide along the arc-shaped surfaces of the first arc-shaped notch, the second arc-shaped notch and the third arc-shaped notch respectively, the first slide groove, the second slide groove and the third slide groove are respectively dovetail groove structures, and the first sliding tenon, the second sliding tenon and the third sliding tenon are respectively dovetail tenon structures.

[0013] Preferably, in order to prevent the first block, the second block and the third block from falling out, the first block, the second block and the third block are respectively provided with blocking blocks at both ends of the arc-shaped surfaces thereof.

[0014] Preferably, in order to improve the comfort of holding, it further includes a flexible jacket wrapping the body and the plurality of adaptive sliders, and the flexible jacket can move and deform with the adaptive sliders to increase the fit with the fingers.

[0015] To achieve the above-mentioned purpose, a knife of the present technical solution includes the above-mentioned ergonomic handle and a blade body, one end of the blade body is fixed to one end of the body, one side of the blade body forms a blade, and the adaptive slider is arranged on the same side as the blade.

[0016] In this technical solution, when the user uses the knife, the blade and the finger grip are on the same side. The movement of the adaptive slider can make the handle fit the user's fingers better, thereby enhancing the user experience.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. The ergonomic handle of this utility model can move the positions of several adaptive sliders according to the hand shapes of different users, so that the structure of the handle can better fit the user's hand shape and has high compatibility.

[0019] 2. The adaptive structure allows the fingers to fit more closely to the handle, effectively preventing the user from dropping the handle during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural diagram of the ergonomic handle of the utility model;

[0021] Figure 2yes Figure 1 Schematic diagram of another perspective;

[0022] Figure 3 It is a schematic diagram of the state after the adaptive structure moves;

[0023] Figure 4 It is a structural diagram of the main body in Example 1;

[0024] Figure 5 is a schematic structural diagram of the adaptive slider in Example 1;

[0025] Figure 6 is a schematic structural diagram of the flexible outer cover in Example 2;

[0026] Figure 7 is a schematic structural diagram of the adaptive slider in Example 3;

[0027] Figure 8 is a schematic structural diagram of the main body in Example 4;

[0028] Figure 9 is a schematic structural diagram of the adaptive slider in Example 4;

[0029] Figure 10 It is a structural schematic diagram of the tool of the utility model.

[0030] In the figure: body 1; first arc-shaped notch 11; first sliding tenon 111; adaptive slider 2; first insert 21; first slide groove 211; second arc-shaped notch 212; second sliding tenon 2121; second insert 22; second slide groove 221; third arc-shaped notch 222; third sliding tenon 2221; third insert 23; third slide groove 231; blocking block 3; flexible jacket 4; blade 5; blade 51; magnet 6. DETAILED DESCRIPTION

[0031] The drawings are for illustrative purposes only and should not be construed as limiting this patent. To better illustrate the embodiments, some components in the drawings may be omitted, enlarged, or reduced in size, and do not represent actual product dimensions. Those skilled in the art will understand that some well-known structures and their descriptions may be omitted from the drawings. The positional relationships depicted in the drawings are for illustrative purposes only and should not be construed as limiting this patent.

[0032] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc. indicating directions or positional relationships, they are based on the directions or positional relationships shown in the drawings. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0033] The technical solution of the present invention is further described in detail below through specific embodiments and in conjunction with the accompanying drawings:

[0034] Example 1:

[0035] This embodiment provides an ergonomic handle, such as Figures 1 to 5 As shown, it includes a main body 1, and a side surface of the main body 1 is provided with a plurality of first arc-shaped notches 11 along its length direction. An adaptive slider 2 is provided in each of the first arc-shaped notches 11, and each of the adaptive sliders 2 is slidably connected to the arc-shaped inner wall surface of each of the first arc-shaped notches 11.

[0036] In this embodiment, a total of several adaptive sliders 2 with certain flexibility and mobility are provided. The adaptive sliders 2 can move after being subjected to the pressure of gripping, so that the structure on one side of the handle is deformed. This design enables the handle to better fit the shape of the fingers when gripping, thereby providing a more comfortable and stable gripping experience. The handle is based on ergonomic principles and achieves a natural fit with the user's palm and fingers, so that the user can reduce hand fatigue during long-term use and improve the stability and comfort of grip. In addition, it can also adapt to the gripping habits and hand shape differences of different users, making the handle more compatible and applicable.

[0037] Specifically, a plurality of the first arc-shaped notches 11 are arranged at equal intervals along the length direction of the body 1 .

[0038] In this embodiment, there are five adaptive sliders 2 , and the distance between adjacent adaptive sliders 2 can be reduced as much as possible without interfering with the movement of the adaptive sliders 2 .

[0039] Specifically, the adaptive slider 2 includes a first insert 21, two second inserts 22 and four third inserts 23, the first insert 21 is a semicircular structure, the first insert 21 is provided with a first slide groove 211 along the arc surface of its semicircular structure, the arc inner wall is provided with a first sliding tenon 111 adapted to the first slide groove 211, the first sliding tenon 111 is slidably connected to the first slide groove 211, the second insert 22 is a semicircular structure, the diameter of the second insert 22 is smaller than the radius of the first insert 21, the second insert 22 is provided with a second slide groove 221 along the arc surface of its semicircular structure, the end surface of the first insert 21 away from its arc surface is provided with two second arc notches 212 respectively adapted to each of the second inserts 22, along each The arcuate surface of the second arc-shaped notch 212 is provided with a second sliding tenon 2121 adapted to each second sliding groove 221, and each second sliding tenon 2121 is slidably connected to each second sliding groove 221. The third embedded block 23 is a semicircular structure, and the diameter of the third embedded block 23 is smaller than the radius of the second embedded block 22. The third embedded block 23 is provided with a third sliding groove 231 along the arcuate surface of its semicircular structure. The end surface of each second embedded block 22 away from its arcuate surface is provided with two third arcuate notches 222 respectively adapted to each third embedded block 23. A third sliding tenon 2221 adapted to each third sliding groove 231 is provided along the arcuate surface of each third arcuate notch 222, and each third sliding tenon 2221 is slidably connected to each third sliding groove 231.

[0040] In this embodiment, each first block 21, second block 22 and third block 23 in each adaptive slider 2 can move freely, with higher flexibility, and finally the finger is placed on the end face of the third block 23. Among them, the edges and corners of the first block 21, second block 22 and third block 23 are all rounded, which not only improves the user experience but also increases safety, prevents accidental injuries during use, and is more in line with ergonomic principles.

[0041] Specifically, the first sliding groove 211, the second sliding groove 221 and the third sliding groove 231 are dovetail groove structures, and the first sliding tenon 111, the second sliding tenon 2121 and the third sliding tenon 2221 are dovetail tenon structures.

[0042] In this embodiment, the dovetail structure can effectively limit the sliding of the first embedment 21, the second embedment 22 and the third embedment 23, thereby preventing these embedments from falling out during use. In addition to using the dovetail structure for limiting, other forms of structures can also be considered to achieve the same purpose. For example, a combination of T-slots and T-tenons can be used for limiting, which can also ensure the stability of each embedment during the sliding process.

[0043] Example 2:

[0044] like Figure 6 As shown, this embodiment is similar to embodiment 1, except that this embodiment further includes a flexible jacket 4 that wraps the body 1 and the plurality of adaptive sliders 2 .

[0045] In this embodiment, the flexible cover 4 is made of silicone material, which can enhance the comfort of holding. Due to its material properties, it does not affect the movement of the adaptive slider 2 when holding. At the same time, the flexible cover 4 can also protect the main body 1 and the adaptive slider 2, preventing stains from entering therein and affecting the movement of the adaptive slider 2.

[0046] Example 3:

[0047] like Figure 7 As shown, this embodiment is similar to embodiment 1, except that, in this embodiment, the first insert 21, the second insert 22 and the third insert 23 are respectively provided with blocking blocks 3 along both ends of their arcuate surfaces.

[0048] In this embodiment, the blocking block 3 can limit the maximum sliding position of the first embedded block 21, the second embedded block 22 and the third embedded block 23 to prevent them from falling out.

[0049] Example 4:

[0050] like Figure 8 、 Figure 9 As shown, this embodiment is similar to Example 1, except that, in this embodiment, the first sliding tenon 111 and the first sliding groove 211 are respectively embedded with magnets 6 that attract each other, the second sliding tenon 2121 and the second sliding groove 221 are respectively embedded with magnets 6 that attract each other, and the third sliding tenon 2221 and each of the third sliding grooves 231 are respectively embedded with magnets 6 that attract each other.

[0051] In this embodiment, the first embedded block 21 , the second embedded block 22 and the third embedded block 23 can be automatically reset by the magnetic attraction of the magnet 6 .

[0052] Example 5:

[0053] like Figure 10 As shown, this embodiment provides a knife, including the above-mentioned ergonomic handle, and also includes a blade body 5, one end of the blade body 5 is fixed to one end of the main body 1, one side of the blade body 5 forms a blade 51, and the adaptive slider 2 is arranged on the same side as the blade 51.

[0054] In this embodiment, when a user holds the handle, the fingers can fit better, thereby enabling the user to exert force better.

[0055] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

[0056] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. A person skilled in the art will be able to make other variations or modifications based on the above description. It is not necessary and impossible to enumerate all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. An ergonomic handle, characterized in that: The invention comprises a body (1), wherein a side surface of the body (1) is provided with a plurality of first arc-shaped notches (11) along its length direction, and each of the first arc-shaped notches (11) is provided with an adaptive slider (2), and each of the adaptive sliders (2) is slidably connected to the arc-shaped inner wall surface of each of the first arc-shaped notches (11).

2. The ergonomic handle according to claim 1, characterized in that: A plurality of the first arc-shaped notches (11) are arranged at equal intervals along the length direction of the body (1).

3. An ergonomic handle according to claim 1 or 2, characterized in that: The adaptive slider (2) includes a first insert (21), the first insert (21) having an arcuate surface adapted to the arcuate inner wall surface of the first arcuate notch (11), the first insert (21) being provided with a first sliding groove (211) along its arcuate surface, the arcuate inner wall surface being provided with a first sliding tenon (111) adapted to the first sliding groove (211), and the first sliding tenon (111) being slidably connected to the first sliding groove (211).

4. The ergonomic handle according to claim 3, characterized in that: The adaptive slider (2) further comprises two second inserts (22), wherein the second inserts (22) have an arcuate surface, and the second inserts (22) are provided with a second slide groove (221) along the arcuate surface thereof; the end surface of the first insert (21) away from the arcuate surface thereof is provided with two second arcuate notches (212) respectively adapted to the arcuate surface of each second insert (22); a second sliding tenon (2121) adapted to each second slide groove (221) is provided along the arcuate surface of each second arcuate notch (212); and each second sliding tenon (2121) is slidably connected to each second slide groove (221).

5. The ergonomic handle according to claim 4, characterized in that: The adaptive slider (2) further comprises four third inserts (23), wherein the third inserts (23) have an arcuate surface, and the third inserts (23) are provided with a third sliding groove (231) along the arcuate surface. The end surface of each second insert (22) facing away from the arcuate surface is provided with two third arcuate notches (222) respectively adapted to the arcuate surface of each third insert (23), and a third sliding tenon (2221) adapted to each third sliding groove (231) is provided along the arcuate surface of each third arcuate notch (222), and each third sliding tenon (2221) is slidably connected to each third sliding groove (231).

6. The ergonomic handle according to claim 5, characterized in that: The first sliding tenon (111) and the first sliding groove (211) are respectively embedded with magnets (6) that attract each other, the second sliding tenon (2121) and the second sliding groove (221) are respectively embedded with magnets (6) that attract each other, and the third sliding tenon (2221) and each of the third sliding grooves (231) are respectively embedded with magnets (6) that attract each other.

7. The ergonomic handle according to claim 5, characterized in that: The first sliding groove (211), the second sliding groove (221) and the third sliding groove (231) are respectively dovetail groove structures, and the first sliding tenon (111), the second sliding tenon (2121) and the third sliding tenon (2221) are respectively dovetail tenon structures.

8. The ergonomic handle according to claim 5, characterized in that: The first insert (21), the second insert (22) and the third insert (23) are respectively provided with blocking blocks (3) along both ends of their arc-shaped surfaces.

9. The ergonomic handle according to claim 1, characterized in that: It also includes a flexible outer shell (4) that wraps the body (1) and the plurality of adaptive sliders (2).

10. A cutting tool, characterized in that: An ergonomic handle according to any one of claims 1 to 9, further comprising a blade (5), one end of the blade (5) being fixed to one end of the body (1), one side of the blade (5) forming a blade (51), and the adaptive slider (2) being arranged on the same side as the blade (51).

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