Tool for opening nut shells

Abstract

The utility model relates to the technical field of clamping and pressing tools, in particular to a tool for opening a nut shell. Comprising a first jaw, a first handle, a second jaw, a second handle, a first nut, a second nut, a screw and a spring. The first jaw is arc-shaped and is integrated with the first handle; a first boss integrated with the first handle is arranged on the first handle, and a first mounting hole is formed in the first boss; the second jaw is arc-shaped and is integrated with the second handle; a second boss integrated with the second handle is arranged on the second handle, and a second mounting hole is formed in the second boss; the first nut is mounted in the first mounting hole, the second nut is mounted in the second mounting hole, one end of the screw is in threaded connection with the first nut, and the other end of the screw is in threaded connection with the second nut; the inner sides of the first jaw and the second jaw are provided with clamp teeth, and the outer ends of the first jaw and the second jaw are hinged; and the spring is sleeved on the first boss, the second boss and the screw rod. And nut kernels are ensured to be intact when nut shells are broken.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping tools, in particular to a tool for opening nut shells. Background Art

[0002] Nuts are a type of closed fruit with a hard shell containing one or more seeds, such as walnuts, chestnuts, almonds, etc. Nuts are the essence of plants, and the kernel is usually the edible part. They are rich in nutrients, containing high levels of protein, oil, minerals, and vitamins, and have excellent effects on human growth and development, physical fitness, and disease prevention. Because the shell of nuts is hard, nut shelling pliers are often used to break the shell of the nuts and take out the kernels when eating.

[0003] Although existing nut shelling tools can open the nut shells to a certain extent, during operation, due to the inaccurate force application mode and force control, the nut kernels are often subjected to unnecessary squeezing or impact, and the kernels are easily crushed when the shells are broken. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a tool for opening nut shells, which can solve the problem that the existing nut shelling pliers easily crush the kernels when breaking the shells.

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

[0006] A tool for opening nut shells, comprising a first jaw, a first handle, a second jaw, a second handle, a first nut, a second nut, a screw and a spring; the first jaw is arc-shaped and is made integrally with the first handle; the first handle is provided with a first boss integrally therewith, and a first mounting hole is provided in the first boss; the second jaw is arc-shaped and is made integrally with the second handle; the second handle is provided with a second boss integrally therewith, and a second mounting hole is provided in the second boss; the first nut is installed in the first mounting hole, and the second nut is installed in the second mounting hole, one end of the screw is threadedly connected to the first nut, and the other end is threadedly connected to the second nut; the first and second jaws are provided with jaw teeth on the inner sides, and the outer ends of the first and second jaws are hinged; the spring is sleeved on the first and second bosses and the screw.

[0007] Furthermore, it also includes an arc-shaped knife, which is installed on the first handle or the second handle and is detachably connected thereto.

[0008] Furthermore, the arc-shaped knife is in an arc shape.

[0009] Furthermore, a threaded hole is provided on the first jaw or the second jaw, and the handle of the arc-shaped knife is threadedly connected to the first jaw or the second jaw.

[0010] Furthermore, a knob is provided at the end of the handle of the arc-shaped knife.

[0011] Furthermore, the first jaw and the second jaw are both arc-shaped.

[0012] Furthermore, the ends of the first and second jaws are both provided with hinge holes, and the ends of the first and second jaws are hinged through a hinge shaft.

[0013] Furthermore, a groove is provided in the middle of the end of the first jaw, and a protrusion is provided in the middle of the end of the second jaw, and the protrusion is inserted into the groove.

[0014] Furthermore, the first and second bosses are truncated cone-shaped, the first and second mounting holes are truncated cone-shaped holes corresponding thereto, and the first nut and the second nut are truncated cone-shaped nuts.

[0015] Furthermore, the ends of the first nut and the second nut are provided with cross openings.

[0016] Compared with the prior art, the utility model has at least the following technical effects or advantages:

[0017] 1. The utility model changes the distance between the first and second bosses (limiting blocks) by adjusting the nut, thereby controlling the engagement distance between the first jaw and the second jaw, thereby avoiding the crushing of the nut kernel and the friction between the screw rod and the first and second handles, so that the first and second handles can be opened and closed smoothly.

[0018] After adjustment, place the nut in the jaws and press down the first and second handles. The teeth of the first and second jaws bite the nut shell to ensure that the nut cannot slide. Press down the first and second handles to open the nut shell. Due to the effective control of the bite distance, the nut kernel can be kept intact. Then, the first and second handles are reset by the spring.

[0019] 2. The utility model is provided with an arc-shaped knife for opening chestnuts. The chestnuts are placed under the arc-shaped knife, and the chestnut shells can be cut open when the first handle and the second handle are pressed down. The utility model has a wide range of uses.

[0020] 3. The handle of the arc-shaped knife of the utility model is threadedly connected to the jaws, and a knob is provided at the end of the handle of the arc-shaped knife to facilitate adjustment of the position of the arc-shaped knife, thereby being suitable for chestnuts of different sizes.

[0021] 4. A groove is provided in the middle of the end of the first jaw of the utility model, and a protrusion is provided in the middle of the end of the second jaw, and the protrusion is inserted into the groove. The first jaw and the second jaw are centrally hinged, the force is centered, the force is applied evenly, and the service life of the tool is increased.

[0022] 5. The ends of the first nut and the second nut of the utility model are provided with cross openings to facilitate the rotation of the nut and thus adjust the distance between the nuts. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic front sectional view of the structure of the utility model.

[0024] Figure 2 It is a schematic side view of the structure of the utility model.

[0025] Figure 3 It is a schematic front view of the first jaw and the first handle structure of the utility model.

[0026] Figure 4 It is a schematic side view of the first jaw and the first handle structure of the utility model.

[0027] Figure 5 It is a schematic front view of the second jaw, the second handle and the arc-shaped knife structure of the utility model.

[0028] Figure 6 It is a schematic side view of the second jaw and the second handle structure of the utility model.

[0029] Figure 7 It is a schematic front view of the first and second nut structures of the utility model.

[0030] Figure 8 It is a schematic side view of the first and second nut structures of the utility model.

[0031] In the figure:

[0032] 1-first handle 2-second handle 3-first hinge hole 4-second hinge hole 5-rivet 6-first jaw 61-tooth 62-groove 7-second jaw 71-protrusion 8-first boss 81-first mounting hole 9-second boss 91-second mounting hole 101-first nut 102-second nut 103-cross opening 11-screw 12-spring 13-arc knife 14-threaded hole 15-knob DETAILED DESCRIPTION

[0033] The embodiments of the present invention are described in detail below. In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described in combination with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] In the description of the utility model, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0037] Unless otherwise specifically stated, the relative arrangement of the parts and steps described in these embodiments, the numerical expressions and numerical values ​​do not limit the scope of the utility model. At the same time, it should be clear that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0038] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0039] [Example]

[0040] like Figure 1-8 As shown, a tool for opening nut shells includes a first jaw 6, a first handle 1, a second jaw 7, a second handle 2, a first nut 101, a second nut 102, a screw rod 11, a spring 12 and an arc knife 13.

[0041] The first handle 1 is provided with a first boss 8 integral therewith, and the first boss 8 acts as a stopper. The first boss 8 is provided with a first mounting hole 81, which is a truncated cone hole and communicates with the first handle 1, and is a through hole at the first handle 1. The second boss 9 is provided with a second mounting hole 91, which is a truncated cone hole and communicates with the second handle 2, and is a through hole at the second handle 2. The first mounting hole 81 is symmetrically arranged with the second mounting hole 91.

[0042] The first jaw 6, the first handle 1 and the first boss 8 are an integral structure, and the second jaw 7, the second handle 2 and the second boss 9 are an integral structure.

[0043] The first jaw 6 and the second jaw 7 are both arc-shaped and symmetrically arranged. The teeth 61 are evenly distributed on the inner sides of the first jaw 6 and the second jaw 7. The first jaw 6 and the second jaw 7 are hinged at the top outer ends.

[0044] A groove 62 is provided in the middle of the top of the first jaw 6, and first hinge holes 3 are provided at the protrusions on both sides of the groove 62. A protrusion 71 is provided in the middle of the end of the second jaw 7, and a second hinge hole 4 is provided at the protrusion 71, and the protrusion 71 is inserted into the groove 62. The rivet 5 passes through the first hinge hole 3 and the second hinge hole 4 to hinge the top of the first jaw 6 with the top of the second jaw 7. The first jaw 6 and the second jaw 7 rotate with the rivet 5 as the axis. The first jaw 6 and the second jaw 7 are hinged in the center, the force is centered, the force is applied evenly, and the service life of the tool is increased.

[0045] The first nut 101 and the second nut 102 are truncated cone-shaped nuts corresponding to the first mounting hole 81 and the second mounting hole 92. The first nut 101 and the second nut 102 have cross openings 103 at their ends and threaded holes corresponding to the screw rod 11 at their centers.

[0046] The first nut 101 is installed in the first mounting hole 81, and the second nut 102 is installed in the second mounting hole 91. One end of the screw rod 11 is threadedly connected to the first nut 101, and the other end is threadedly connected to the second nut 102. A cross opening 103 is provided at the ends of the first nut 101 and the second nut 102 to facilitate the rotation of the nut and thus adjust the distance between the nuts.

[0047] The spring 12 is sleeved on the first boss 8, the second boss 9 and the screw rod 11, and the spring 12 plays a role of returning.

[0048] The second jaw 7 is provided with a threaded hole 14, the handle of the arc knife 13 is provided with an external thread, and the arc knife 13 is threadedly connected to the second jaw 7 and is detachable. The end of the handle of the arc knife 13 is provided with a knob 15, which is convenient for manually rotating the handle of the arc knife 13 to adjust the position of the arc knife 13.

[0049] The working principle and working process of the utility model are as follows:

[0050] When in use, the distance between the first boss 8 and the second boss 9 is adjusted by rotating the first nut 101 and the second nut 102, thereby adjusting the bite distance of the nut jaws. At the same time, it plays a guiding role on the screw rod 11 to prevent the friction between the screw rod 11 and the nut clamp arm affecting the opening and closing of the nut clamp. In this way, the nut kernels will be prevented from being crushed, and the friction between the screw rod 11 and the nut clamp arm will be prevented, so that the nut clamp arm can be opened and closed smoothly. The spring 12 is used to control the automatic return of the first handle 1 and the second handle 2.

[0051] After adjustment, place the nut in the first jaw 6 and the second jaw 7, and press down the first handle 1 and the second handle 2. The teeth of the first jaw 6 and the second jaw 7 bite the nut shell to ensure that the nut cannot slide. Press down the first handle 1 and the second handle hard to open the nut shell. Due to the effective control of the biting distance of the nut cracker, the nut kernel can be kept intact.

[0052] The chestnuts can also be placed under the arc-shaped knife 13. When the first handle 1 and the second handle 2 are pressed down, the chestnut shell can be cut open. The position of the arc-shaped knife 13 can be adjusted by rotating the handle as needed, thereby achieving the purpose of effectively opening the chestnut.

[0053] The tool can open the shells of nuts such as sunflower seeds, melon seeds, pine nuts, hazelnuts, walnuts, etc., and can also cut chestnut shells. The first jaw 6 and the second jaw 7 of the utility model are both arc-shaped, and the single arc-shaped opening design is convenient for opening the shells of nuts of different sizes. When opening a certain type of nut, the required bite distance can be set according to the type of nut. After the bite distance is set, the type of nut can be opened by the tool regardless of size, and the nut kernel is guaranteed to be intact.

[0054] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tool for opening nut shells, characterized in that: It includes a first jaw, a first handle, a second jaw, a second handle, a first nut, a second nut, a screw rod and a spring; The first jaw is arc-shaped and is made integrally with the first handle; the first handle is provided with a first boss integrally therewith, and a first mounting hole is provided in the first boss; The second jaw is arc-shaped and is made integrally with the second handle; the second handle is provided with a second boss integrally therewith, and a second mounting hole is provided in the second boss; The first nut is installed in the first mounting hole, the second nut is installed in the second mounting hole, one end of the screw is threadedly connected to the first nut, and the other end is threadedly connected to the second nut; The inner sides of the first and second jaws are provided with jaw teeth, and the outer ends of the first and second jaws are hinged; The spring sleeve is arranged on the first and second bosses and the screw rod.

2. A tool for opening nut shells according to claim 1, characterized in that: It also includes an arc-shaped knife, which is installed on the first handle or the second handle and is detachably connected thereto.

3. A tool for opening nut shells according to claim 2, characterized in that: The arc knife is in the shape of an arc.

4. A tool for opening nut shells according to claim 2, characterized in that: A threaded hole is provided on the first jaw or the second jaw, and the handle of the arc-shaped knife is threadedly connected to the first jaw or the second jaw.

5. A tool for opening nut shells according to claim 4, characterized in that: The end of the handle of the arc-shaped knife is provided with a knob.

6. A tool for opening nut shells according to claim 1, characterized in that: The first jaw and the second jaw are both arc-shaped.

7. A tool for opening nut shells according to claim 1, characterized in that: The ends of the first and second jaws are both provided with hinge holes, and the ends of the first and second jaws are hinged through a hinge shaft.

8. A tool for opening nut shells according to claim 1, characterized in that: A groove is arranged in the middle of the end of the first jaw, and a protrusion is arranged in the middle of the end of the second jaw, and the protrusion is inserted into the groove.

9. A tool for opening nut shells according to claim 1, characterized in that: The first and second bosses are truncated cone-shaped, the first and second mounting holes are truncated cone-shaped holes corresponding thereto, and the first nut and the second nut are truncated cone-shaped nuts.

10. A tool for opening nut shells according to claim 1, characterized in that: The ends of the first nut and the second nut are provided with cross openings.

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