Telescopic fruit knife capable of being positioned at any position

The telescopic fruit knife driven by a worm gear solves the problem of fixed length in traditional fruit knives, enabling flexible adjustment and improved safety, simplifying operation, and increasing efficiency and cleanliness.

CN224059888UActive Publication Date: 2026-03-31JINDA HARDWARE PROD SANSHUI FOSHANCITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Traditional fruit knives have a fixed blade length, which cannot be adjusted to suit the user's needs. This limits the flexibility and applicability of the knife, increases the cost of use, and the exposed blade can easily cause accidental injury, posing a safety hazard, especially in the home environment.

Method used

A telescopic fruit knife that can be positioned at any location was designed. The screw is driven to rotate through the meshing connection of the worm gear and worm wheel to realize the telescopic adjustment of the knife body. The stability is ensured by the limiting plate and guide rod. The knife body can be completely retracted into the handle. A sponge is provided to clean residual fruit juice. The structure is simplified and the practicality is improved.

Benefits of technology

It enables flexible extension and retraction adjustment of the blade body, improving efficiency and safety, simplifying operation steps, reducing the risk of accidental injury, and keeping the blade clean and hygienic.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a telescopic fruit knife capable of being positioned at any position, and relates to the technical field of fruit knives. The cutter comprises a lower handle, an upper handle is arranged at the upper end of the lower handle, a cutter body is arranged in the lower handle and the upper handle, and a first limiting plate and a second limiting plate are fixedly connected to the front end and the rear end in the lower handle respectively and used for limiting the cutter body. According to the fruit knife, due to the design of the worm and the worm gear, the knife body can be positioned at any position, the knife body cannot move when the fruit knife is used, meanwhile, other locking mechanisms are not needed, the structure of the fruit knife is simplified, practicability is improved, the knife body can completely retract into the handle when the knife body is not used, the risk of accidental injuries is reduced, and the fruit knife is convenient to use. By arranging the rubber protective sleeve and the anti-skid lines, the situation that a user cannot hold the fruit knife stably when using the fruit knife can be effectively prevented, and the using stability of the fruit knife is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to fruit knife technical field, especially a telescopic fruit knife of arbitrary position positioning. BACKGROUND

[0002] In daily life, fruit knife is one of the commonly used kitchen tools, is used to peel, cut fruit etc., however, traditional fruit knife has some shortcomings in the process of using:

[0003] 1, the fixed length of traditional fruit knife body, cannot according to the demand of user telescopic adjustment, this limits its use flexibility and scope of application to a certain extent, when processing different size fruit, user may need to replace different length of cutting tool, not only increase the use cost, also reduce the use efficiency, secondly, the fruit knife body is usually exposed after using, easy to cause accidental injury, especially in the family environment, if there is a child or pet, this exposed body is potential safety hazard, practicality is not high.

[0004] Therefore, we put forward a telescopic fruit knife of arbitrary position positioning. UTILITY MODEL CONTENTS

[0005] The utility model discloses a telescopic fruit knife of arbitrary position positioning, which solves the problems of the fixed length of the traditional fruit knife body, the inability to adjust the length according to the user's needs, the limitation of the flexibility and the scope of application, the need to replace the cutting tool of different lengths when processing fruits of different sizes, the increase of the use cost and the decrease of the use efficiency, the exposure of the fruit knife body after use, the accidental injury, the potential safety hazard of the exposed body in the family environment, and the low practicality.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A telescopic fruit knife of arbitrary position positioning, comprising:

[0008] A lower handle, an upper handle is arranged at the upper end of the lower handle, a knife body is arranged in the lower handle and the upper handle, a first limiting plate and a second limiting plate are fixedly connected to the front end and the rear end of the lower handle respectively, and the knife body is limited by the first limiting plate and the second limiting plate;

[0009] An adjusting assembly, the adjusting assembly comprises a lead screw rotatably installed on the upper end of the first limiting plate and the second limiting plate, an installation plate is fixedly connected to the rear end of the knife body, and the outer wall of the lead screw is screw-connected with the upper end of the installation plate, so as to adjust the position of the knife body;

[0010] A driving assembly is mounted at the rear end of the lower handle and used for driving the rotation of the lead screw.

[0011] In a possible design, the driving assembly comprises a worm screw rotatably mounted inside the rear end of the lower handle and the upper handle, the rear end of the lead screw penetrates through the second limiting plate and is fixedly connected with a worm wheel, the worm wheel is in meshing connection with the worm screw and used for driving the rotation of the lead screw, one side of the worm screw penetrates through the lower handle and the upper handle and is fixedly connected with a handle used for driving the rotation of the worm screw.

[0012] In a possible design, the front end of the first limiting plate is provided with a connecting plate, the outer wall of the front end of the connecting plate is fixedly connected with a sponge used for cleaning the residual fruit juice on the cutter body, and the outer wall of the rear end of the connecting plate is fixedly connected with a plurality of rubber blocks which are in clamping connection with the first limiting plate and used for the mounting and dismounting of the connecting plate.

[0013] In a possible design, the lower ends of the first limiting plate and the second limiting plate are fixedly connected with guide rods which are in sliding connection with the mounting plate and used for limiting the cutter body.

[0014] In a possible design, the outer walls of the lower handle and the upper handle are sleeved with rubber protective sleeves, and the outer wall of the rubber protective sleeve is provided with anti-skid lines.

[0015] In a possible design, the lower handle and the upper handle are in clamping connection and fixedly connected through bolts, and are used for the mounting and dismounting of the lower handle and the upper handle, and one side of the upper surface and the lower surface of the cutter body is provided with a scale.

[0016] In the application, when in use, first, the fruit knife is held stably by holding the upper handle and the lower handle, then the user can drive the worm to rotate by rotating the handle, the meshing connection between the worm and the worm wheel makes the worm wheel rotate, and the fixed connection between the worm wheel and the lead screw drives the lead screw to rotate, since the mounting plate at the rear end of the blade body is in threaded connection with the outer wall of the lead screw, the rotation of the lead screw will cause the mounting plate and the blade body fixedly connected with the mounting plate to move forward and backward on the lead screw, and the movement is stable and controllable, because the first limiting plate and the second limiting plate limit the blade body, and the sliding connection between the guide rod and the mounting plate further ensures the stability and linearity of the blade body during movement, the user can adjust the length of the blade body extending or retracting by continuously rotating the handle according to needs, until the required position is reached, the blade body can be positioned at any position through the self-locking principle of the worm and the worm wheel, and the blade body will not displace during use, and no other locking mechanism is needed, so that the structure of the fruit knife is simplified, and the practicability is improved, the scale provided on the blade body can help the user to control the extension length of the blade body more accurately, after use, the user can retract the blade body into the lower handle and the upper handle completely, so that the risk of accidental injury is reduced, in addition, the sponge provided at the front end of the connecting plate can be used to clean the fruit juice remaining on the blade body, so that the cleanliness and hygiene of the blade body are maintained, and the service life of the blade is prolonged, the rubber protective sleeve and the anti-skid pattern can effectively prevent the user from holding unstably during use, and the stability of the fruit knife in use is improved.

[0017] In the utility model, the telescopic fruit knife of any position positioning can position the blade body at any position through the design of the worm and the worm wheel, and the blade body will not displace during use, and no other locking mechanism is needed, so that the structure of the fruit knife is simplified, and the practicality is improved, the blade body can be retracted into the handle completely when not in use, the risk of accidental injury is reduced, the rubber protective sleeve and the anti-skid pattern can effectively prevent the user from holding unstably during use, and the stability of the fruit knife in use is improved.

[0018] In the utility model, the sponge provided at the front end of the connecting plate can conveniently clean the fruit juice remaining on the blade body, so that the cleanliness and hygiene of the blade body are maintained, and the service life of the blade is prolonged, the blade body can be easily adjusted in extension and retraction by rotating the handle, the operation is simple and fast, no complex operation steps or tools are needed, the first limiting plate and the second limiting plate limit the blade body, and the sliding connection between the guide rod and the mounting plate ensures the stability and linearity of the blade body during movement, and the use stability and reliability of the fruit knife are improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the description of the embodiments, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the premise of the drawings.

[0020] Figure 1 It is a three-dimensional structure schematic view of an embodiment of the present application;

[0021] Figure 2 It is a rear view three-dimensional structure schematic view of an embodiment of the present application;

[0022] Figure 3 It is a knife receiving three-dimensional structure schematic view of an embodiment of the present application;

[0023] Figure 4 It is an explosion three-dimensional structure schematic view of an embodiment of the present application;

[0024] Figure 5 It is a driving assembly three-dimensional structure schematic view of an embodiment of the present application;

[0025] Figure 6 It is a lower handle internal three-dimensional structure schematic view of an embodiment of the present application.

[0026] In the figure: 1, lower handle; 2, upper handle; 3, knife body; 4, first limiting plate; 5, second limiting plate; 6, mounting plate; 7, screw rod; 8, guide rod; 9, worm wheel; 10, worm; 11, handle; 12, connecting plate; 13, rubber block; 14, sponge; 15, scale table; 16, rubber protective sleeve; 17, anti-skid pattern. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application, obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0028] In the description of the present application, it is understood that the terms "opening", "upper", "middle", "length", "inner" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation of the present application.

[0029] For keeping the following description of the embodiments of the present application clear and brief, detailed description of known functions and known components is omitted.

[0030] Embodiment 1: Refer to Figures 1-6 A fruit knife, comprising:

[0031] A lower handle 1, an upper end of the lower handle 1 is provided with an upper handle 2, interiors of the lower handle 1 and the upper handle 2 are provided with a blade body 3, a front end and a rear end in the interior of the lower handle 1 are fixedly connected with a first limiting plate 4 and a second limiting plate 5 respectively, for limiting the blade body 3;

[0032] An adjusting assembly, the adjusting assembly comprises a lead screw 7 rotatably installed on upper ends of the first limiting plate 4 and the second limiting plate 5, a rear end of the blade body 3 is fixedly connected with a mounting plate 6, an outer wall of the lead screw 7 is threadedly connected with the upper end of the mounting plate 6, for adjusting a position of the blade body 3;

[0033] A driving assembly, the driving assembly is installed on the rear end of the lower handle 1, for driving the lead screw 7 to rotate.

[0034] In the above technical solution, the upper handle 2 and the lower handle 1 are held to ensure that the fruit knife is stably held, since the mounting plate 6 at the rear end of the blade body 3 is threadedly connected with the outer wall of the lead screw 7, rotation of the lead screw 7 will cause the mounting plate 6 and the blade body 3 fixedly connected with the mounting plate 6 to move forward and backward on the lead screw 7, and this movement is stable and controllable, because the first limiting plate 4 and the second limiting plate 5 limit the blade body 3, and the sliding connection of the guide rod 8 with the mounting plate 6 further ensures the stability and linearity of the blade body 3 during the movement.

[0035] In an aspect of the embodiment, as shown in Figure 5 and Figure 6 The driving assembly comprises a worm 10 rotatably installed in interiors of the rear ends of the lower handle 1 and the upper handle 2, a rear end of the lead screw 7 penetrates through the second limiting plate 5 and is fixedly connected with a worm wheel 9, the worm wheel 9 is meshingly connected with the worm 10, for driving the lead screw 7 to rotate, one side of the worm 10 penetrates through the lower handle 1 and the upper handle 2 and is fixedly connected with a handle 11, for driving the worm 10 to rotate.

[0036] In the above technical solution, the handle 11 is rotated to drive the worm 10 to rotate, the meshing connection of the worm 10 with the worm wheel 9 causes the worm wheel 9 to rotate, and the fixed connection of the worm wheel 9 with the lead screw 7 causes the lead screw 7 to rotate.

[0037] In an aspect of the embodiment, as shown in Figure 4 and Figure 5As shown, the front end of the first limiting plate 4 is provided with a connecting plate 12, the outer wall of the front end of the connecting plate 12 is fixedly connected with a sponge 14, which is used for cleaning the residual fruit juice on the cutter body 3, and the outer wall of the rear end of the connecting plate 12 is fixedly connected with a plurality of rubber blocks 13, which are in clamping connection with the first limiting plate 4 and are used for mounting and dismounting the connecting plate 12.

[0038] In the above technical solution, the sponge 14 can be used to clean the residual fruit juice on the cutter body 3, so as to keep the cutter body clean and sanitary, and the rubber blocks 13 are in clamping connection with the first limiting plate 4, so that the sponge 14 can be conveniently dismounted, cleaned or replaced.

[0039] The present application can be used in the field of fruit knives and can also be used in other fields applicable to the present application.

[0040] Embodiment 2: On the basis of embodiment 1, a telescopic fruit knife capable of being positioned at any position is applied in the field of fruit knives,

[0041] In one aspect of the present embodiment, as shown in Figure 6 As shown, the lower ends of the first limiting plate 4 and the second limiting plate 5 are fixedly connected with a guide rod 8, the outer wall of the guide rod 8 is in sliding connection with the mounting plate 6, and the guide rod 8 is used for limiting the cutter body 3.

[0042] In the above technical solution, the guide rod 8 is provided, so as to improve the stability of the cutter body 3 during extension.

[0043] In one aspect of the present embodiment, as shown in Figure 3 As shown, the outer walls of the lower handle 1 and the upper handle 2 are sleeved with a rubber protective sleeve 16, and the outer wall of the rubber protective sleeve 16 is provided with anti-skid lines 17.

[0044] In the above technical solution, the rubber protective sleeve 16 and the anti-skid lines 17 can effectively prevent the user from being unstable during use, thereby improving the stability of the fruit knife.

[0045] In another aspect of the present embodiment, as shown in Figure 1 As shown, the lower handle 1 and the upper handle 2 are in clamping connection and are fixedly connected through bolts, which are used for mounting and dismounting the lower handle 1 and the upper handle 2, and the upper surface and the lower surface of the cutter body 3 are provided with a scale table 15 on one side.

[0046] In the above technical solution, the scale table 15 can help the user to more accurately control the extension length of the cutter body 3.

[0047] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description 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.

[0048] The preferred embodiments of the utility model disclosed above are only used for helping to set forth the utility model. The preferred embodiments do not describe all the details exhaustively, and also do not limit the utility model to only the specific implementation manners described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments, in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited only by the claims and the whole scope and equivalents thereof.

Claims

1. A retractable fruit knife that can be positioned anywhere, characterized by, The utility model relates to a fruit cutting device, including: Lower handle (1), the upper end of lower handle (1) is provided with upper handle (2), the inside of lower handle (1) and upper handle (2) is provided with sword body (3), the front end and rear end in the inside of lower handle (1) are fixedly connected with first limit board (4) and second limit board (5) respectively, are used for limiting sword body (3); Adjusting assembly, adjusting assembly includes screw rod (7) that rotates and installs on the upper end of first limit board (4) and second limit board (5), the rear end of sword body (3) is fixedly connected with mounting plate (6), the outer wall of screw rod (7) is screwed with the upper end of mounting plate (6), is used for adjusting the position of sword body (3); Driving assembly, driving assembly is installed at the rear end of lower handle (1), is used for driving screw rod (7) rotation.

2. A retractable fruit knife as claimed in claim 1 wherein, The utility model relates to a fruit cutting device, including:

3. A retractable fruit knife as claimed in claim 1 wherein, The front end of first limit board (4) is provided with connecting plate (12), the outer wall of the front end of connecting plate (12) is fixedly connected with sponge (14), is used for cleaning the fruit juice remaining on sword body (3), the outer wall of rear end of connecting plate (12) is fixedly connected with a plurality of rubber blocks (13), and the rubber block (13) is matched with first limit board (4) and is used for the installation and dismounting of connecting plate (12).

4. A retractable fruit knife of claim 1 wherein, The lower end of first limit board (4) and second limit board (5) is fixedly connected with guide rod (8), the outer wall of guide rod (8) is slidably connected with mounting plate (6), is used for limiting sword body (3).

5. A retractable fruit knife as claimed in claim 1 wherein, The outer wall of lower handle (1) and upper handle (2) is equipped with rubber protective sleeve (16), and the outer wall of rubber protective sleeve (16) is provided with antiskid line (17).

6. A retractable fruit knife of claim 1 wherein, Lower handle (1) and upper handle (2) are matched and fixedly connected by bolt, are used for the installation and dismounting of lower handle (1) and upper handle (2), and the one side of upper surface and lower surface of sword body (3) is provided with scale table (15).