Cutter

By designing a switchable tool sleeve structure, the problem of easy loss of tool sleeves in existing double-headed tools and difficult to find the required tool body is solved, achieving a more convenient and economical effect.

CN222818959UActive Publication Date: 2025-05-02西安佳品创意设计有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421534173.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-01
Publication Date
2025-05-02
Estimated Expiration
2034-07-01

AI Technical Summary

Technical Problem

When existing double-headed tools are used, the tool cover is easily lost, and when the two tool body types are different, it is difficult for users to accurately find the required tool body, which is inconvenient to use.

Method used

A tool is designed, and its knife sleeve is movably arranged on the blade body, which can be switched between the first position and the second position, and one knife sleeve can selectively cover one knife body and expose the other knife body for use.

Benefits of technology

It achieves cost savings, prevents the loss of the knife sleeve, and facilitates users to accurately find the corresponding knife body, making it more convenient to use.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222818959U_ABST
    Figure CN222818959U_ABST
Patent Text Reader

Abstract

The utility model discloses a cutter which comprises a cutter body and a cutter sleeve. A first cutter body and a second cutter body are arranged on the cutter body; the knife sleeve is provided with a first position for covering the first knife body and a second position for covering the second knife body; the knife pouch is movably arranged on the knife body so that the knife pouch can be switched between the first position and the second position, and the knife pouch can move on the knife body and is convenient to use.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of kitchenware, in particular to a knife. Background Art

[0002] At present, the double-ended knives in the prior art have two knife sheaths. When using a certain knife, the corresponding knife sheath is taken off, and the knife sheath of the other knife forms a handle.

[0003] However, on the one hand, the removed knife cover needs to be placed outside, which is easy to lose. On the other hand, if the two knife bodies are of different types, the user cannot accurately find the required knife body, which is inconvenient to use.

[0004] Therefore, how to provide a tool that is easy to use becomes a technical problem that those skilled in the art need to solve urgently. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the utility model is to provide a cutter that is easy to use.

[0006] A cutting tool according to an embodiment of the utility model includes:

[0007] A blade body, wherein a first blade body and a second blade body are arranged on the blade body;

[0008] and a knife sheath; the knife sheath has a first position covering the first knife body and a second position covering the second knife body; the knife sheath is movably disposed on the knife body so that the knife sheath can be switched between the first position and the second position.

[0009] Beneficial effect: a knife sheath is used, which moves between a first position and a second position, covering one of the knife bodies, and the other knife body is exposed for use; the utility model uses a knife sheath to selectively cover one knife body, exposing the other knife body for use, which not only saves costs and prevents the knife sheath from being lost, but also makes it easy for users to accurately find the corresponding knife body, and is easy to use.

[0010] Furthermore, the knife sheath includes a sleeve, which is sleeved on the knife body; the sleeve can slide upward on the knife body to switch between a first position and a second position.

[0011] Beneficial effect: by sliding the sleeve on the blade, not only can the first blade body or the second blade body be effectively covered, but also the blade sleeve can be ensured to move stably on the blade, which is convenient to use and has a good switching effect.

[0012] Furthermore, the first blade body is arranged at the first end of the blade body, one end of the sleeve is a closed end, and the other end of the sleeve is an open end; a blade hole is opened on the closed end; the blade hole is used for the first blade body to pass through, so that the blade sleeve can move from the first position to the second position.

[0013] Beneficial effects: First, the closed end of the knife sheath can play a good covering effect; it prevents the first knife body at the first end from being exposed from the knife sheath and cutting the user when in the first position; second, in the process of the knife sheath switching from the first position to the second position, the second knife body is gradually covered, and the first knife body is gradually exposed from the knife hole for subsequent use. This switching method ensures that when the knife sheath is in the second position, the first knife body can be exposed outside the knife sheath for use; third, during the movement of the knife sheath on the knife body, the sleeve is always mounted on the knife body, which can ensure that the knife sheath moves stably on the knife body, making the switching smoother and more stable.

[0014] Furthermore, the tool also includes a locking structure; when the tool sleeve moves to the first position, the locking structure is used to lock the tool sleeve in the first position; when the tool sleeve moves to the second position, the locking structure is used to lock the tool sleeve in the second position.

[0015] Beneficial effect: The knife sheath is locked in the first position or the second position through the lock structure, which can prevent the knife sheath from moving relative to the knife body during use and affect the use effect.

[0016] Furthermore, the locking structure includes a first locking piece and a second locking piece; the first locking piece is used to lock the knife sleeve in a first position, and the second locking piece is used to lock the knife sleeve in a second position; the knife sleeve is locked by the first locking piece, and the second locking piece unlocks the knife sleeve to a first state; the knife sleeve is locked by the second locking piece, and the first locking piece unlocks the knife sleeve to a second state; the locking structure can switch between the first state and the second state.

[0017] Beneficial effect: The first locking piece and the second locking piece are used to lock the knife sleeve in the first position and the second position respectively, and corresponding settings can be made according to the specific structures of the first position and the second position, which is more flexible to use and can ensure the locking effect.

[0018] Furthermore, one of the blade body and the blade sheath is a mounting structure, and the other is a structure to be locked; the locking structure also includes a swinging member, which is swingably disposed on the mounting structure; the first locking member and the second locking member are both disposed on the swinging member; the swinging of the swinging member can drive the first locking member and the second locking member to move, so that the locking structure can switch between the first state and the second state.

[0019] Beneficial effect: the first locking member and the second locking member are switched by the swinging of the swinging member, the structure is simple, the switching is convenient, and it can ensure that one of the first locking member and the second locking member is locked and the other is unlocked, which can prevent switching obstacles.

[0020] Furthermore, a mounting groove is provided on the mounting structure; the first locking member and the second locking member are telescopically arranged in the mounting groove; when the locking structure is in the first state, the second locking member retracts into the mounting groove, and the first locking member extends out of the mounting groove to lock the knife sleeve in the first position; when the locking structure is in the second state, the first locking member retracts into the mounting groove, and the second locking member extends out of the mounting groove to lock the knife sleeve in the second position.

[0021] Beneficial effect: the knife sleeve is locked by the extended locking piece, and the unlocked locking piece is retracted into the installation groove, so that the locking effect and the switching effect can be guaranteed.

[0022] Furthermore, the swinging member is swingably disposed in the mounting groove, and the swinging of the swinging member can drive one of the first locking member and the second locking member to extend out of the mounting groove and the other to retract into the mounting groove, thereby switching the lock structure between the first state and the second state.

[0023] Beneficial effect: the swinging member drives one of the first locking member and the second locking member to extend out of the installation slot, and the other is retracted into the installation slot, so the switching effect is good.

[0024] Furthermore, a rotating shaft is arranged on the swinging member; two opposite notches are opened at the notch of the mounting groove, and the two ends of the rotating shaft are arranged in the two notches; the notch has a tapered section, and the tapered section is used to limit the radial movement of the rotating shaft; the swinging member can swing around the rotating shaft to drive one of the first locking member and the second locking member to extend out of the mounting groove and the other to retract into the mounting groove, so that the lock structure can switch between the first state and the second state.

[0025] Beneficial effect: by setting a notch at the slot and arranging the rotating shaft in the notch, it can be ensured that the swinging part can be accurately located in the installation slot; and the setting of the notch facilitates the disassembly and installation of the rotating shaft, and further facilitates the maintenance and replacement of the swinging part.

[0026] Furthermore, a matching portion is provided on the structure to be locked; when the knife sleeve moves to the first position, it can drive the matching portion to move to the first matching position; when the knife sleeve moves to the second position, it can drive the matching portion to move to the second matching position; the positions of the first locking member and the second locking member are respectively arranged corresponding to the first matching position and the second matching position; when the knife sleeve moves to the first position, the locking structure switches to the first state; when the knife sleeve moves to the second position, the locking structure switches to the second state.

[0027] Beneficial effect: The first locking piece and the second locking piece can selectively cooperate with the matching portion, so that the knife sleeve can be effectively locked in the first position or the second position.

[0028] Furthermore, the first locking piece and the second locking piece are both first concave-convex structures; the matching portion includes a second concave-convex structure; the first concave-convex structure can match with the second concave-convex structure to lock the knife sleeve on the knife body.

[0029] Beneficial effect: The knife sleeve is locked on the knife body through the concave-convex cooperation of the first concave-convex structure and the second concave-convex structure, and multi-directional limiting can be achieved at the same time. The locking effect is good, the structure is simple, and it is easy to manufacture.

[0030] Further, when the mounting structure is a blade body and the structure to be locked is a blade sleeve, the first locking member and the second locking member are both limiting protrusions, and the matching portion includes a locking hole.

[0031] Beneficial effect: The user can intuitively see the position of the lock structure, and when the limiting protrusion is locked in the lock hole, the user can press the limiting protrusion to allow the knife sheath to move on the knife body, which is more convenient to use.

[0032] Furthermore, the tool also includes a circumferential limiting structure, which is used to limit the movement of the tool sleeve relative to the tool in the circumferential direction.

[0033] Beneficial effect: The circumferential limiting structure can limit the movable direction of the tool sleeve, that is, it can play a guiding role and ensure that the tool sleeve can accurately switch between the first position and the second position.

[0034] Furthermore, the blade body is a strip-shaped blade body; the cross-sectional shape of the blade body is a polygon or an ellipse; the inner surface of the knife sheath is matched with the outer surface of the blade body to form a circumferential limiting structure.

[0035] Beneficial effect: This shape can not only prevent the knife sheath from moving in the circumferential direction relative to the knife body, but also is more in line with the user's usage habits.

[0036] Furthermore, the tool also includes a gravity mechanism, which is used to drive the lock structure to switch between the first state and the second state.

[0037] Beneficial effect: The lock structure is driven by the gravity mechanism to switch between the first state and the second state, and the switching is more convenient.

[0038] Furthermore, when the lock structure also includes a swinging member, the gravity mechanism can be movably arranged between the mounting structure and the swinging member; the gravity mechanism can move on the mounting structure under the action of gravity to drive the swinging member to swing, thereby driving the lock structure to switch between the first state and the second state.

[0039] Beneficial effect: The swinging part is driven to swing through the activity of the gravity mechanism, and the driving method is simple and effective.

[0040] Furthermore, a guide structure is provided on the mounting structure, and the gravity mechanism can be movably provided on the guide structure; the guide structure has a first driving position and a second driving position respectively provided corresponding to the first locking member and the second locking member; when the first end of the blade body is facing downward or obliquely downward, the gravity mechanism moves to the first driving position under the action of gravity to drive the lock structure to switch to the first state; when the second end of the blade body is facing downward or obliquely downward, the gravity mechanism moves to the second driving position under the action of gravity to drive the lock structure to switch to the second state.

[0041] Beneficial effects: The guide structure can ensure that the gravity mechanism moves along a preset path, and can switch the state of the lock structure according to the orientation of the blade, making the switching more convenient and more in line with the user's usage habits.

[0042] Further, the guide structure comprises a guide groove, which is a strip groove extending in the axial direction of the mounting structure, and the end of the strip groove forms the first driving position and / or the second driving position.

[0043] Beneficial effect: The first driving position and the second driving position are formed by the end of the guide groove, the structure is simple, and it can ensure that the gravity mechanism drives the lock structure to switch accurately between the first driving position and the second driving position.

[0044] Furthermore, the guide groove includes a first groove and a second groove; the gravity mechanism includes a first gravity body and a second gravity body; the first gravity body is movably arranged in the first groove; the second gravity body is arranged in the second groove; one end of the first groove corresponds to the position of the first locking piece; one end of the second groove corresponds to the position of the second locking piece.

[0045] Beneficial effect: By setting two slots, the activity path of each gravity body is shortened, thereby ensuring that the gravity body moves more smoothly in the corresponding slot, and ensuring the accuracy and stability of the switching state of the lock structure.

[0046] Furthermore, when a mounting groove is provided on the mounting structure, the guide groove is provided on the groove bottom or the side wall of the mounting groove;

[0047] When the guide groove is opened at the groove bottom of the installation groove, the groove depth of the guide groove gradually increases in the direction close to the swing center of the swing member;

[0048] When the guide groove is formed on the side wall of the mounting groove, the guide groove gradually inclines toward the groove bottom of the guide groove in the direction close to the swing center of the swing member.

[0049] Beneficial effects: the swinging part can be effectively driven to swing, mutual interference between the gravity mechanism and the swinging part can be prevented, and the swinging effect of the swinging part can be improved.

[0050] Furthermore, the first knife body includes any one of a peeling knife, a grating knife, and a cutting knife.

[0051] Furthermore, the second knife body includes any one of a peeling knife, a grating knife, and a cutting knife.

[0052] Furthermore, the first blade body is arranged on a side surface of the blade body or a first end portion of the blade body.

[0053] Furthermore, the second blade body is arranged on the side surface of the blade body or the second end portion of the blade body.

[0054] Furthermore, the knife sheath is used for holding by a user.

[0055] Beneficial effect: The first blade body and the second blade body can be blade bodies of the same type or blade bodies of different types, and can be set according to applicable scenarios, so as to be suitable for a wider range of people and application scenarios.

[0056] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0058] Figure 1 It is a structural schematic diagram of a tool according to the utility model;

[0059] Figure 2 It is a structural schematic diagram of the blade according to the utility model;

[0060] Figure 3 is a cross-sectional view of the tool according to the utility model in the first state;

[0061] Figure 4 is an exploded view of a tool according to the utility model;

[0062] Figure 5 It is a structural schematic diagram of a knife sheath according to the utility model;

[0063] Figure 6 is a cross-sectional view of the tool according to the utility model in a first state;

[0064] Figure 7 It is a schematic diagram of the structure of the tool according to the utility model in the first state;

[0065] Figure 8 It is a schematic structural diagram of the tool according to the utility model in the second state.

[0066] Reference numerals:

[0067] 1. Blade body; 11. First blade body; 12. Second blade body; 2. Blade sheath; 21. Closed end; 211. Blade hole; 22. Open end; 23. Lock hole; 3. Lock structure; 31. Swinging piece; 311. Adapter groove; 321. First locking piece; 322. Second locking piece; 33. Rotating shaft; 4. Gravity mechanism; 41. First gravity body; 42. Second gravity body; 5. Mounting groove; 6. Guide structure; 7. Notch; 8. Blade groove. DETAILED DESCRIPTION

[0068] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0069] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0070] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected 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.

[0071] Reference below Figure 1-Figure 8 A cutting tool according to an embodiment of the present invention is described.

[0072] The utility model discloses a knife, comprising: a blade 1 and a knife sheath 2, wherein the blade 1 is provided with a first blade body 11 and a second blade body 12; the knife sheath 2 has a first position for covering the first blade body 11 and a second position for covering the second blade body 12; the knife sheath 2 is movably provided on the blade 1, so that the knife sheath 2 can be switched between the first position and the second position. A knife sheath 2 is used, which is movable between the first position and the second position, covers one of the blade bodies, and uses the other blade body exposed; the utility model adopts a knife sheath 2 to selectively cover one blade body and expose the other blade body for use, which not only saves costs and prevents the knife sheath 2 from being lost, but also facilitates users to accurately find the corresponding blade body, and is convenient to use. The blade 1 may only have the first blade body 11 and the second blade body 12, and may also be provided with a third blade body, a fourth blade body and other multiple blade bodies; at this time, the knife sheath 2 needs to cover multiple blade bodies at the same time, and only exposes one blade body, that is, the knife sheath 2 can selectively expose one blade body for use. The knife sheath 2 can be used for users to hold, or it can be used only to cover the blade body.

[0073] The knife sheath 2 can be a cylindrical structure or an arc-shaped structure; it only needs to cover the first knife body 11 and the second knife body 12. The knife body 1 can be a cylindrical structure, and its cross section can be circular, triangular, polygonal, elliptical or irregular, or any other shape.

[0074] In some embodiments, each blade body can be arranged in sequence in the circumferential direction of the blade body 1, and the blade sheath 2 is an arc-shaped structure; the blade sheath 2 can move in the circumferential direction of the blade body 1 to cover part of the blade body (when only the first blade body 11 and the second blade body 12 are arranged on the blade body 1, the blade sheath 2 can selectively cover one of them and expose the other for use. When multiple blade bodies are arranged on the blade body 1, the blade sheath 2 covers two or more blade bodies at the same time, and only exposes one blade body for use), and exposes one blade body for use. At this time, a buckle, a handle or a pull ring can be provided on the blade sheath 2 for the user to hold, that is, the user can apply force to the blade sheath 2 through the buckle, the handle or the pull ring so that it moves around the circumference of the blade body 1, thereby covering part of the blade body. The blade sheath 2 can be slidably connected with the blade body 1; for example, a guide rail or a guide groove is provided on the blade body 1, and a slider is provided on the blade sheath 2, and the slider is movably arranged in the guide rail or the guide groove; when the slider moves in the guide rail or the guide groove, it drives the blade sheath 2 to move relative to the blade body 1 to cover part of the blade body. In this embodiment, the first position and the second position are arranged sequentially on the outer periphery of the blade 1. In this embodiment, the first blade body 11 and the second blade body 12 may correspond to each other in the axial position of the blade 1, or may be displaced. When they correspond to each other, the blade sleeve 2 only moves in the circumferential direction of the blade 1; when they are displaced, they move in the circumferential and axial directions of the blade 1 at the same time, similar to spiral movement. In this embodiment, the blade sleeve 2 may be an arc-shaped structure, and the shape of the blade sleeve 2 is adapted to the shape of the blade 1; or the blade sleeve 2 is an annular structure, and a knife-exposing hole 211 is provided on the blade sleeve 2, that is, the blade sleeve 2 rotates on the blade 1, and whichever blade is used, the knife-exposing hole 211 rotates to the corresponding blade position, exposing the blade so that it can be used. Preferably, in this embodiment, the first blade body 11 is a peeling knife or a grating knife, and the second blade body 12 is a peeling knife or a folding fruit knife, and the folding fruit knife is provided in the knife groove 8 on the blade 1.

[0075] In some embodiments, the first blade body 11 and the second blade body 12 are respectively arranged at the two ends of the blade body 1; the blade sheath 2 moves between the first end and the second end of the blade body 1, the first position is the first end of the blade body 1, and the second position is the second end of the blade body 1. In this embodiment, the blade sheath 2 can be connected to the blade body 1 in a sliding manner; or the blade sheath 2 and the blade body 1 are connected by a ball rolling connection, that is, as long as the blade sheath 2 can move between the first end and the second end of the blade body 1, that is, it can move in the length direction of the blade body 1. At this time, the blade sheath 2 is used as a handle. When the user switches the position of the blade sheath 2, he can hold the blade sheath 2 with his hand and press the uncovered blade body against the wall, desktop or any surface to apply force to switch the position of the blade sheath 2; or hold the blade sheath 2 with his hand, and at this time put the uncovered blade body on the top, and the blade body 1 will slide downward under the action of gravity, that is, the blade sheath 2 moves relative to the blade body 1 to switch the position.

[0076] The present application also discloses an embodiment, wherein the knife sheath 2 comprises a sleeve, which is sleeved on the blade body 1; the sleeve can slide upward on the blade body 1 to switch between the first position and the second position. By sliding the sleeve on the blade body 1, it can not only effectively cover the first blade body 11 or the second blade body 12, but also ensure that the knife sheath 2 can move stably on the blade body 1, which is convenient to use and has a good switching effect. Moreover, the user can switch by holding the sleeve, which is more convenient to use. The knife sheath 2 can be a sleeve with openings at both ends.

[0077] The present application also discloses an embodiment, in which the first blade body 11 is arranged at the first end portion of the blade body 1, one end of the sleeve is a closed end 21, and the other end of the sleeve is an open end 22; a blade hole 211 is opened on the closed end 21; the blade hole 211 is used for the first blade body 11 to pass through, so that the blade sleeve 2 can move from the first position to the second position. By adopting this embodiment, firstly, the closed end 21 of the knife sleeve 2 can have a good covering effect; it prevents the first blade body 11 at the first end from being exposed from the knife sleeve 2 and cutting the user when in the first position; secondly, in the process of the knife sleeve 2 switching from the first position to the second position, the second blade body 12 is gradually covered, and the first blade body 11 is gradually exposed from the knife hole 211 to facilitate subsequent use. This switching method ensures that when the knife sleeve 2 is in the second position, the first blade body 11 can be exposed outside the knife sleeve 2 for use; thirdly, in the process of the knife sleeve 2 moving on the blade body 1, the sleeve is always mounted on the blade body 1, which can ensure that the knife sleeve 2 moves stably on the blade body 1, making the switching smoother and more stable.

[0078] The present application also discloses an embodiment, wherein the tool further comprises a locking structure 3; when the knife sleeve 2 moves to the first position, the locking structure 3 is used to lock the knife sleeve 2 in the first position; when the knife sleeve 2 moves to the second position, the locking structure 3 is used to lock the knife sleeve 2 in the second position. By locking the knife sleeve 2 in the first position or the second position through the locking structure 3, the knife sleeve 2 can be prevented from moving relative to the blade body 1 during use, thereby affecting the use effect. The locking structure 3 can be a clamping structure, a plug-in structure, or other structures capable of locking. For example, the locking structure 3 is a clamping structure. Further, the clamping structure can be a hook, which is provided on the knife sleeve 2 and can be clamped at any position of the blade body 1. Then, when the knife sleeve 2 moves to the first position, the hook is clamped at the corresponding position of the blade body 1. When the knife sleeve 2 moves to the second position, the hook is clamped at the corresponding position of the blade body 1 at this time. That is, a hook can be used to lock the knife sleeve 2 on the blade body 1 at different positions. Similarly, the hook can be provided on the knife sleeve 2 and can be clamped at different positions of the knife sleeve 2. Alternatively, the lock structure 3 may also be a plug-in structure, for example, the plug-in structure includes a plug-in rod, which is provided on one of the knife sheath 2 and the blade body 1, and two plug-in holes are provided on the other; the two plug-in holes are provided corresponding to the first position and the second position respectively, and the plug-in structure is adapted to both the plug-in holes, so that the knife sheath 2 can be locked in different positions. Plug-in holes can be provided on both the knife sheath 2 and the blade body 1, and the plug-in rod is externally arranged, and the plug-in rod can pass through the plug-in holes on the knife sheath 2 and the blade body 1 for locking.

[0079] The present application also discloses an embodiment, wherein the lock structure 3 includes a first locking member 321 and a second locking member; the first locking member 321 is used to lock the knife sleeve 2 in the first position, and the second locking member 322 is used to lock the knife sleeve 2 in the second position; the first locking member 321 is used to lock the knife sleeve 2, and the second locking member 322 is used to unlock the knife sleeve 2 in the first state; the second locking member 322 is used to lock the knife sleeve 2, and the first locking member 321 is used to unlock the knife sleeve 2 in the second state; the lock structure 3 can be switched between the first state and the second state. The first locking member 321 and the second locking member 322 are used to lock the knife sleeve 2 in the first position and the second position respectively, and corresponding settings can be made according to the specific structures of the first position and the second position, which is more flexible to use and can ensure the locking effect.

[0080] The present application also discloses an embodiment, wherein one of the blade 1 and the knife sheath 2 is a mounting structure, and the other is a structure to be locked; the lock structure 3 also includes a swinging member 31, which is swingably arranged on the mounting structure; the first locking member 321 and the second locking member 322 are both arranged on the swinging member 31; the swinging of the swinging member 31 can drive the first locking member 321 and the second locking member 322 to move, so that the lock structure 3 is switched between the first state and the second state. The first locking member 321 and the second locking member 322 are switched by the swinging of the swinging member 31, which has a simple structure and convenient switching, and can ensure that one of the first locking member 321 and the second locking member 322 is locked and the other is unlocked, which can prevent switching obstacles. The swinging mode of the swinging member 31 can be swinging at a base point or a pivot point. It can also reciprocate within a range of motion; for example, the swinging member 31 reciprocates in the longitudinal section direction of the knife sheath 2. The first locking member 321 and the second locking member 322 can be arranged on the swing member 31, or can correspond to the position of the swing member 31, for example, the first locking member 321 and the second locking member 322 correspond to the two sides of the swing center of the swing member 31 respectively, and the swing member 31 swings in the first swing position to contact and push the first locking member 321 to move, so that the lock structure 3 switches to the first state, at which time it does not contact the second locking member 322, nor can it push its movement; the swing member 31 swings in the second swing position to push the second locking member 322 to move, so that the lock structure 3 switches to the second state, at which time it does not contact the first locking member 321, nor can it push its movement. When the swing member 31 drives the first locking member 321 and / or the second locking member 322, its movement direction can be consistent with the movement direction of the first locking member 321 and the second locking member 322, or a slope can be used to make the swing member 31 move in the first direction to drive the first locking member 321 and the second locking member 322 to move in the second direction.

[0081] The present application also discloses an embodiment, in which a mounting groove 5 is provided on the mounting structure; a first locking member 321 and a second locking member 322 are telescopically provided in the mounting groove 5; when the lock structure 3 is in the first state, the second locking member 322 is retracted into the mounting groove 5, and the first locking member 321 is extended out of the mounting groove 5 to lock the knife sleeve 2 in the first position; when the lock structure 3 is in the second state, the first locking member 321 is retracted into the mounting groove 5, and the second locking member 322 is extended out of the mounting groove 5 to lock the knife sleeve 2 in the second position. The knife sleeve 2 is locked by the extended locking member, and the unlocked locking member is retracted into the mounting groove 5, so that the locking effect and the switching effect can be ensured. It can prevent one locking member from interfering with the knife sleeve 2 and affecting the locking effect when the other locking member locks the knife sleeve 2. The first locking piece 321 and the second locking piece 322 can be elastic buckles. Through the movement of the knife sleeve 2, one of the elastic buckles is squeezed so that it retracts into the installation groove 5, and the elastic buckle that is not squeezed extends out to lock the knife sleeve 2. Similarly, the first locking piece 321 and the second locking piece 322 can be locking blocks, and a spring can be set at the bottom of the locking block.

[0082] The present application also discloses an embodiment, in which a swinging member 31 is swingably disposed in the mounting groove 5, and the swinging of the swinging member 31 can drive one of the first locking member 321 and the second locking member 322 to extend out of the mounting groove 5, and the other to retract into the mounting groove 5, so that the lock structure 3 is switched between the first state and the second state. The swinging member 31 drives one of the first locking member 321 and the second locking member 322 to extend out of the mounting groove 5, and the other to retract into the mounting groove 5, so that the switching effect is good. The first locking member 321 and the second locking member 322 are disposed on both sides of the swinging center of the swinging member 31, and are located above the swinging member 31. When the swinging member 31 swings, it can effectively bring one of the first locking member 321 and the second member out of the mounting groove 5, and the other to retract into the mounting groove 5. The above here refers to the direction from the bottom of the groove to the groove opening.

[0083] The present application also discloses an embodiment, wherein a rotating shaft 33 is arranged on the swinging member 31; two opposite notches 7 are provided at the notch of the mounting groove 5, and the two ends of the rotating shaft 33 are arranged in the two notches 7; the notch 7 has a constricted section, and the constricted section is used to limit the movement of the rotating shaft 33 in the radial direction; the swinging member 31 can swing around the rotating shaft 33 to drive one of the first locking member 321 and the second locking member 322 to extend out of the mounting groove 5, and the other to retract into the mounting groove 5, so that the lock structure 3 switches between the first state and the second state. By providing the notch 7 at the notch, and the rotating shaft 33 is arranged in the notch 7, it can be ensured that the swinging member 31 can be accurately located in the mounting groove 5, and the constricted section can be provided to prevent the rotating shaft 33 from moving out of the notch 7, thereby ensuring the stability of the installation; and the notch 7 is provided to facilitate the disassembly and installation of the rotating shaft 33, and further facilitate the maintenance and replacement of the swinging member 31. Axle holes can also be provided on the two opposite side walls of the mounting groove 5, and the two ends of the rotating shaft 33 extend into the shaft holes on the two side walls respectively. The rotating shaft 33 can be rotatably arranged in the shaft hole or notch 7, and the rotating shaft 33 is fixedly connected to the swing member 31 and passes through the swing member 31, that is, both ends of the rotating shaft 33 extend out of the swing member 31. The rotating shaft 33 can be fixedly arranged in the shaft hole or notch 7, and the swing member 31 is rotatably connected to the rotating shaft 33, for example, a through hole is arranged on the swing member 31, and the rotating shaft 33 can rotatably pass through the through hole.

[0084] The present application also discloses an embodiment, in which a matching portion is provided on the structure to be locked; when the knife sleeve 2 moves to the first position, the matching portion can be driven to move to the first matching position; when the knife sleeve 2 moves to the second position, the matching portion can be driven to move to the second matching position; the positions of the first locking member 321 and the second locking member 322 are respectively arranged corresponding to the first matching position and the second matching position; when the knife sleeve 2 moves to the first position, the lock structure 3 switches to the first state; when the knife sleeve 2 moves to the second position, the lock structure 3 switches to the second state. The first locking member 321 and the second locking member 322 can selectively cooperate with the matching portion, so that the knife sleeve 2 can be effectively locked in the first position or the second position.

[0085] The present application also discloses an embodiment, wherein both the first locking member and the second locking member are first concave-convex structures; the matching portion includes a second concave-convex structure; the first concave-convex structure can match with the second concave-convex structure to lock the knife sleeve 2 on the knife body 1; through the concave-convex matching of the first concave-convex structure and the second concave-convex structure, the knife sleeve 2 is locked on the knife body 1, and multi-directional limiting can be achieved at the same time, the locking effect is good, and the structure is simple and easy to manufacture. One of the first concave-convex structure and the second concave-convex structure is a protrusion, and the other is a groove or a hole.

[0086] The present application also discloses an embodiment, when the mounting structure is a blade body 1 and the structure to be locked is a blade sheath 2, the first locking member and the second locking member are both position-limiting protrusions, and the matching portion includes a locking hole 23. The user can intuitively see the position of the locking structure 3, and when the position-limiting protrusion is locked in the locking hole 23, the user can press the position-limiting protrusion to enable the blade sheath 2 to move on the blade body 1, which is more convenient to use.

[0087] The present application also discloses an embodiment, wherein the tool further comprises a circumferential limiting structure, and the circumferential limiting structure is used to limit the movement of the tool sleeve relative to the tool in the circumferential direction. The circumferential limiting structure can limit the movement direction of the tool sleeve 2, so that the tool sleeve 2 can move in the axial direction of the tool, that is, it can also play a guiding role, so that the tool sleeve 2 can be accurately switched between the first position and the second position, and prevent the tool sleeve 2 from moving in the circumferential direction, resulting in the first locking member 321 or the second locking member 322 not corresponding to the position of the matching part, and failing to lock.

[0088] The present application also discloses an embodiment, wherein the blade is a strip-shaped blade; the cross-sectional shape of the blade 1 is a polygon or an ellipse; the inner surface of the blade sheath 2 is matched with the outer surface of the blade 1 to form a circumferential limit structure. This shape can not only prevent the blade sheath 2 from moving in the circumferential direction relative to the blade 1, but also better conform to the user's usage habits. The polygon can be a triangle, a quadrangle or other polygon, and in the polygon, the edges are transitioned by rounded corners to improve the user's experience.

[0089] The present application also discloses an embodiment, wherein the tool further comprises a gravity mechanism 4, and the gravity mechanism 4 is used to drive the lock structure 3 to switch between the first state and the second state. The lock structure 3 is driven to switch between the first state and the second state by the gravity mechanism 4, and the gravity mechanism 4 can drive the lock structure 3 to switch according to the orientation of the tool, and this switching is more convenient and flexible.

[0090] The present application also discloses an embodiment, when the lock structure 3 further includes a swinging member 31, the gravity mechanism 4 can be movably arranged between the mounting structure and the swinging member 31; the gravity mechanism 4 can move on the mounting structure under the action of gravity to drive the swinging member 31 to swing, thereby driving the lock structure 3 to switch between the first state and the second state. The gravity mechanism 4 can be movably mounted on the structure, and during the movement, the swinging member 31 can be driven to swing at different positions of the swinging member 31; the swinging member 31 is driven to swing by the movement of the gravity mechanism 4, and the driving method is simple and effective. The movement method can include various movement methods such as rolling, rotating or sliding.

[0091] The present application also discloses an embodiment, wherein a guide structure 6 is provided on the mounting structure, and a gravity mechanism 4 is movably provided on the guide structure 6; the guide structure 6 has a first driving position and a second driving position respectively provided corresponding to the first locking member 321 and the second locking member 322; when the first end of the blade 1 is facing downward or obliquely downward, the gravity mechanism 4 moves to the first driving position under the action of gravity to drive the lock structure 3 to switch to the first state; when the second end of the blade 1 is facing downward or obliquely downward, the gravity mechanism 4 moves to the second driving position under the action of gravity to drive the lock structure 3 to switch to the second state. The guide structure 6 can be a guide rail, a guide groove or the like, and the guide rail can be a convex strip or other guide rails, and a groove matching the convex strip is provided on the gravity mechanism 4, and the gravity mechanism 4 can be movably provided on the convex strip through the groove. Or the gravity mechanism 4 is set in the guide rail or guide groove by rolling through a rolling structure; the first driving position and the second driving position can be any position on the guide structure 6, and a limiting structure is set on the guide structure 6 to limit the gravity mechanism 4 to the first driving position or the second driving position, so that the gravity mechanism 4 can drive the lock structure 3 to switch; for example, a baffle, a block or other limiting structure is set on the guide rail to form the first driving position or the second driving position; or when the gravity mechanism 4 is set on the guide rail or guide groove by a rolling structure such as a ball rolling, a limiting groove on the guide rail or guide groove that is compatible with the ball can form the first driving position or the second driving position; when the ball moves to the first driving position or the second driving position, it falls into the limiting groove and cannot continue to roll, thereby driving the lock structure 3 to switch, and the depth of the limiting groove is less than the radius of the ball; the guide structure 6 can ensure that the gravity mechanism 4 moves along a preset path, and can switch the state of the lock structure 3 according to the orientation of the blade 1, and the switching is more convenient. When the user uses the first blade body 11 or the second blade body 12, the blade body 1 will be tilted or vertically turned, and one end will be facing. At this time, the activity of the gravity mechanism 4 can drive the position of the blade sleeve 2 to switch, which is more in line with the user's usage habits.

[0092] The present application also discloses an embodiment, wherein the guide structure 6 includes a guide groove, which is a strip groove extending in the axial direction of the mounting structure, and the end of the strip groove forms a first drive position and / or a second drive position. The first drive position and the second drive position are formed by the end of the guide groove, and the structure is simple, and it can ensure that the gravity mechanism 4 accurately drives the lock structure 3 to switch between the first drive position and the second drive position. The guide groove can be a strip groove; the first end and the second end of the guide groove form the first drive position and the second drive position respectively. The guide groove can be a curved or bent extended strip groove. The depth of the guide groove at the first drive position and the second drive position is less than the dimension of the gravity mechanism 4 in the groove depth direction.

[0093] The present application also discloses an embodiment, wherein the guide groove comprises a first groove and a second groove; the gravity mechanism 4 comprises a first gravity body 41 and a second gravity body 42; the first gravity body 41 is movably arranged in the first groove; the second gravity body 42 is arranged in the second groove; one end of the first groove corresponds to the position of the first locking member 321; one end of the second groove corresponds to the position of the second locking member 322. By setting two grooves, the moving path of each gravity body is shorter, thereby ensuring that the gravity body moves more smoothly in the corresponding groove, and ensuring the accuracy and stability of the switching state of the lock structure 3. The depth of the guide groove at the driving position is less than the height of the first gravity body 41 or the second gravity body 42, the first gravity body 41 and the second gravity body 42 are both gravity balls, which can be hollow balls or solid balls, and at the end of the first groove, the groove depth of the first groove is less than the diameter of the gravity ball; the first gravity body 41 and the second gravity body 42 can also be rings.

[0094] The swing member 31 includes a strip swing plate, the rotating shaft 33 extends in the width direction of the swing member 31, the first locking member 321 and the second locking member 322 are respectively located at the two ends of the strip swing plate, and the first locking member 321 and the second locking member 322 are located on the upper plate surface of the swing plate, with the direction from the bottom of the groove to the groove opening as the upper side. The lower plate surface of the swing plate is provided with an adapter, and the shape of the adapter groove 311 is adapted to the shape of the gravity mechanism 4. For example, if the gravity mechanism 4 includes a gravity ball, the adapter groove 311 is an arc groove, which can enable the gravity mechanism 4 to drive the swing plate to swing at a preset position, so that the swing direction is accurate and the swing is stable.

[0095] The present application also discloses an embodiment, when a mounting groove 5 is provided on the mounting structure, the guide groove is opened at the groove bottom or side wall of the mounting groove 5; when the guide groove is opened at the groove bottom of the mounting groove 5, the groove depth of the guide groove gradually increases in the direction close to the swing center of the swing member 31; that is, at the swing center position, the gravity mechanism 4 will sink into the guide groove, so that the guide groove will not drive the swing member 31 to move at the swing center of the swing member 31, and only when the gravity mechanism 4 moves to both sides of the swing center, due to the shallow guide groove, the gravity mechanism 4 is exposed from the guide groove, thereby being able to drive the swing member 31 to swing.

[0096] When the guide groove is formed on the side wall of the mounting groove 5, the guide groove gradually tilts toward the bottom of the guide groove in the direction close to the swing center of the swing member 31. The swing member 31 can be effectively driven to swing, and mutual interference between the gravity mechanism 4 and the swing member 31 can be prevented, thereby reducing the swing effect of the swing member 31.

[0097] The present application also discloses an embodiment, in which the first knife body 11 comprises any one of a peeling knife, a grating knife and a cutting knife.

[0098] The present application also discloses an embodiment, in which the second knife body 12 comprises any one of a peeling knife, a grating knife, and a cutting knife.

[0099] The present application also discloses an embodiment, in which the first blade body 11 is arranged on the side surface of the blade body 1 or on the first end portion of the blade body 1 .

[0100] The present application also discloses an embodiment, in which the second blade body 12 is arranged on the side surface of the blade body 1 or on the second end portion of the blade body 1 .

[0101] The present application also discloses an embodiment, in which the knife sheath 2 is used for holding by a user.

[0102] The first blade body 11 and the second blade body 12 can be blade bodies of the same type or different types, and can be set according to the applicable scenario, so as to be applicable to a wider range of people and application scenarios. The first blade body 11 and the second blade body 12 can both be set on the side or end of the blade body 1, and the two blade bodies can be respectively located at the two end ends of the blade body 1. The user can hold the blade sheath 2 by hand to move between the first position and the second position. When the first blade body 11 or the second blade body 12 is set on the side of the blade body 1, a blade groove 8 is set on the side of the blade body 1 to set the first blade body 11 or the second blade body 12 in the blade groove 8, so as to ensure that the blade sheath 2 can move smoothly on the blade body 1.

[0103] Other structures and operations of the tool according to the embodiment of the utility model are known to those skilled in the art and will not be described in detail here. In the description of the utility model, "first feature" and "second feature" may include one or more of these features. Among them, the up-down direction, left-right direction and front-back direction are based on the up-down direction, left-right direction and front-back direction shown in the figure.

[0104] In the description of the present utility model, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature "above", "above" and "above" a second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.

[0105] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0106] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A tool, characterized in that: include: A blade body (1), wherein the blade body (1) is provided with a first blade body (11) and a second blade body (12); and a knife sheath (2); the knife sheath (2) has a first position covering the first knife body (11) and a second position covering the second knife body (12); the knife sheath (2) is movably arranged on the knife body (1) so that the knife sheath (2) can be switched between the first position and the second position.

2. The tool according to claim 1, characterized in that The knife sleeve (2) comprises a sleeve, and the sleeve is sleeved on the knife body (1); the sleeve can slide on the knife body (1) to switch between the first position and the second position.

3. The tool according to claim 2, characterized in that The first blade body (11) is arranged at the first end portion of the blade body (1); one end of the sleeve is a closed end (21), and the other end of the sleeve is an open end (22); a blade hole (211) is provided on the closed end (21); the blade hole (211) is used for the first blade body (11) to pass through, so that the blade sleeve (2) can move from the first position to the second position.

4. The tool according to any one of claims 1 to 3, characterized in that The knife further comprises a locking structure (3); when the knife sleeve (2) moves to the first position, the locking structure (3) is used to lock the knife sleeve (2) in the first position; when the knife sleeve (2) moves to the second position, the locking structure (3) is used to lock the knife sleeve (2) in the second position.

5. The tool according to claim 4, characterized in that The locking structure (3) comprises a first locking member (321) and a second locking member; the first locking member (321) is used to lock the knife sleeve (2) at the first position, and the second locking member (322) is used to lock the knife sleeve (2) at the second position; the knife sleeve (2) is locked by the first locking member (321), and the knife sleeve (2) is unlocked by the second locking member (322) to be in the first state; The knife sleeve (2) is locked by the second locking member (322), and the knife sleeve (2) is unlocked by the first locking member (321) to a second state; the locking structure (3) is switchable between the first state and the second state.

6. The tool according to claim 5, characterized in that One of the blade body (1) and the blade sheath (2) is a mounting structure, and the other is a structure to be locked; the locking structure (3) further comprises a swinging member (31), and the swinging member (31) is swingably arranged on the mounting structure; the first locking member (321) and the second locking member (322) are both arranged on the swinging member (31); the swinging of the swinging member (31) can drive the first locking member (321) and the second locking member (322) to move, so that the locking structure (3) is switched between the first state and the second state.

7. The tool according to claim 6, characterized in that The mounting structure is provided with a mounting slot (5); the first locking member (321) and the second locking member (322) are telescopically arranged in the mounting slot (5); when the locking structure (3) is in the first state, the second locking member (322) is retracted into the mounting slot (5), and the first locking member (321) extends out of the mounting slot (5) to lock the knife sleeve (2) in the first position; when the locking structure (3) is in the second state, the first locking member (321) is retracted into the mounting slot (5), and the second locking member (322) extends out of the mounting slot (5) to lock the knife sleeve (2) in the second position.

8. The tool according to claim 7, characterized in that The swinging member (31) is swingably arranged in the installation slot (5), and the swinging of the swinging member (31) can drive one of the first locking member (321) and the second locking member (322) to extend out of the installation slot (5) and the other to retract into the installation slot (5), thereby switching the lock structure (3) between the first state and the second state.

9. The tool according to claim 7 or 8, characterized in that The swing member (31) is provided with a rotating shaft (33); two opposite notches (7) are provided at the notch of the installation groove (5), and the two ends of the rotating shaft (33) are arranged in the two notches (7); the notch (7) has a constricted section, and the constricted section is used to limit the movement of the rotating shaft (33) in the radial direction; the swing member (31) can swing around the rotating shaft (33) to drive one of the first locking member (321) and the second locking member (322) to extend out of the installation groove (5) and the other to retract into the installation groove (5), so that the lock structure (3) is switched between the first state and the second state.

10. The tool according to any one of claims 6 to 8, characterized in that The structure to be locked is provided with a matching portion; when the knife sleeve (2) moves to the first position, it can drive the matching portion to move to the first matching position; when the knife sleeve (2) moves to the second position, it can drive the matching portion to move to the second matching position; the positions of the first locking member (321) and the second locking member (322) are respectively arranged corresponding to the first matching position and the second matching position; when the knife sleeve (2) moves to the first position, the locking structure (3) switches to the first state; when the knife sleeve (2) moves to the second position, the locking structure (3) switches to the second state.

11. The tool according to claim 10, characterized in that The first locking member and the second locking member are both first concave-convex structures; the matching portion includes a second concave-convex structure; the first concave-convex structure can match with the second concave-convex structure to lock the knife sleeve (2) on the knife body (1); And / or, when the mounting structure is a blade body (1) and the structure to be locked is a blade sleeve (2), the first locking member and the second locking member are both limiting protrusions, and the matching portion includes a locking hole (23).

12. The tool according to claim 10, characterized in that The tool further comprises a circumferential limiting structure, and the circumferential limiting structure is used to limit the movement of the tool sleeve relative to the tool in the circumferential direction.

13. The tool according to claim 12, characterized in that The blade body (1) is a strip-shaped blade body; and the cross-sectional shape of the blade body (1) is polygonal or elliptical; the inner surface of the blade sleeve (2) is matched with the outer surface of the blade body (1) to form the circumferential limiting structure.

14. The tool according to any one of claims 6-8, 11-13, characterized in that The tool further comprises a gravity mechanism (4), wherein the gravity mechanism (4) is used to drive the lock structure (3) to switch between the first state and the second state.

15. The tool according to claim 14, characterized in that When the lock structure (3) further includes a swinging member (31), the gravity mechanism (4) is movably arranged between the mounting structure and the swinging member (31); the gravity mechanism (4) is movable on the mounting structure under the action of gravity to drive the swinging member (31) to swing, thereby driving the lock structure (3) to switch between the first state and the second state.

16. The tool according to claim 15, characterized in that A guide structure (6) is provided on the mounting structure, and the gravity mechanism (4) is movably provided on the guide structure (6); the guide structure (6) has a first driving position and a second driving position respectively provided corresponding to the first locking member (321) and the second locking member (322); When the first end of the blade (1) is facing downward or obliquely downward, the gravity mechanism (4) moves to the first driving position under the action of gravity to drive the lock structure (3) to switch to the first state; When the second end of the blade body is facing downward or obliquely downward, the gravity mechanism (4) moves to the second driving position under the action of gravity to drive the lock structure (3) to switch to the second state.

17. The tool according to claim 16, characterized in that The guide structure (6) comprises a guide groove, which is a strip groove extending in the axial direction of the mounting structure, and the end of the strip groove forms the first driving position and / or the second driving position.

18. The tool according to claim 17, characterized in that The guide groove comprises a first groove and a second groove; the gravity mechanism (4) comprises a first gravity body (41) and a second gravity body (42); the first gravity body (41) is movably arranged in the first groove; the second gravity body (42) is arranged in the second groove; one end of the first groove corresponds to the position of the first locking piece (321); one end of the second groove corresponds to the position of the second locking piece (322).

19. The tool according to claim 17 or 18, characterized in that When a mounting groove (5) is provided on the mounting structure, the guide groove is opened on the groove bottom or the side wall of the mounting groove (5); When the guide groove is opened at the groove bottom of the mounting groove (5), the groove depth of the guide groove gradually increases in a direction close to the swing center of the swing member (31); When the guide groove is opened on the side wall of the installation groove (5), the guide groove gradually inclines toward the groove bottom of the guide groove in a direction close to the swing center of the swing member (31).

20. The tool according to any one of claims 1-3, 5-8, 11-13, 15-18, characterized in that The first knife body (11) comprises any one of a peeling knife, a grating knife and a cutting knife; And / or, the second knife body (12) comprises any one of a paring knife, a grating knife, and a cutting knife; And / or, the first blade body (11) is arranged on the side surface of the blade body (1) or on the first end portion of the blade body (1); And / or, the second blade body (12) is arranged on the side surface of the blade body (1) or on the second end portion of the blade body (1); And / or, the knife sheath (2) is used for holding by a user.