Electric heat scissors for working

KR103016879B1Active Publication Date: 2026-09-09강대인
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Patent Information

Application Number
KR1020230184080
Authority / Receiving Office
KR · KR
Patent Type
Patents
Current Assignee / Owner
Filing Date
2023-12-18
Publication Date
2026-09-09
Estimated Expiration
2043-12-18

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Abstract

An embodiment of the present invention relates to a working electric scissor comprising a blade portion having a cutting blade, a handle portion extending from the blade portion, a scissor portion including a heating portion attached to the blade portion, and a first control portion electrically connected to the heating portion and configured to control the temperature of the heating portion.
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Description

Technology Field

[0001] The present invention relates to electric shears, and more specifically, to electric shears for gardening work capable of directly cutting plants and providing a sterilization function. Background Technology

[0003] Electric shears are used to heat the blades electrically while simultaneously cutting and cauterizing the cut area.

[0004] Conventional electric shears utilize an electric heating mechanism attached via welding or soldering to the metal blades, thereby providing an electric heating function to the blades for intensive heating.

[0005] However, since these electric shears have a structure in which a heating mechanism is welded to the blades, the overall volume and weight of the device increase, causing inconvenience to the user.

[0006] Furthermore, conventional electric shears had a structure that made users susceptible to burns due to the bulky heating mechanism welded to the blades. Additionally, because temperature control was not easy, the risk of burns still persisted.

[0007] In particular, for electric pruning shears used for gardening that require cutting and sterilizing plant leaves or stems, the long working time and uncomfortable working environment exacerbate the aforementioned issues of bulk and increased risk of burns. The problem to be solved

[0009] The technical problem that the embodiments of the present invention aim to solve is to provide electric scissors for work that have a low risk of burns.

[0010] Another technical objective that the embodiments of the present invention aim to achieve is to provide a working electric shears that can improve workability by reducing volume. means of solving the problem

[0012] To achieve the technical objective of the present invention, a working electric shears may be provided, comprising a blade portion having a cutting blade, a handle portion extending from the blade portion, a scissor portion including a heating portion attached to the blade portion, and a first control portion electrically connected to the heating portion and configured to control the temperature of the heating portion.

[0013] The heating part may include a heating film bonded to the blade portion so as to be in close contact with it.

[0014] The heating film may include a heat-resistant polymer base film and a heating wire pattern mounted on the base film.

[0015] It may further include a second control unit located between the heating unit and the first controller, configured to selectively cut off the electrical connection between the heating unit and the first control unit according to the temperature of the handle unit. Effects of the invention

[0017] According to an embodiment of the present invention, the user's workability can be improved because the electric scissors for work are lightweight and do not have a large volume.

[0018] According to an embodiment of the present invention, since the outer surface of the heating part has a heat-resistant polymer film structure, it is possible to prevent the user from suffering burns due to the heating part.

[0019] According to an embodiment of the present invention, the heating unit can be prevented from being excessively heated by the second control unit, and accordingly, the user can be prevented from suffering burns during use.

[0020] This invention can sterilize plant harmful bacteria and viruses during horticultural work. Brief explanation of the drawing

[0022] FIG. 1 is a diagram showing the configuration of a working electric shears according to one embodiment of the present invention. FIG. 2 is an exemplary configuration diagram of a system for working electric shears according to an embodiment of the present invention. Specific details for implementing the invention

[0023] Hereinafter, various embodiments of the present disclosure are described in conjunction with the accompanying drawings. As various embodiments of the present disclosure may be subject to various modifications and may have various embodiments, specific embodiments are illustrated in the drawings and described in detail. However, this is not intended to limit the various embodiments of the present disclosure to specific forms, and it should be understood that they include all modifications and / or equivalents and substitutions that fall within the spirit and scope of the various embodiments of the present disclosure. In relation to the description of the drawings, similar reference numerals have been used for similar components.

[0024] Expressions such as “comprising” or “may compose,” which may be used in various embodiments of the present disclosure, indicate the presence of the disclosed corresponding function, operation, or component, and do not limit one or more additional functions, operations, or components. Furthermore, in various embodiments of the present disclosure, terms such as “comprising” or “having” are intended to specify the presence of the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, and should be understood as not precluding the existence or addition of one or more other features, numbers, steps, operations, components, parts, or combinations thereof.

[0025] In various embodiments of the present disclosure, expressions such as “or” include any and all combinations of the words listed together. For example, “A or B” may include A, may include B, or may include both A and B.

[0026] Expressions such as "first," "second," "first," or "second" used in various embodiments of the present disclosure may modify various components of the various embodiments, but do not limit such components. For example, such expressions do not limit the order and / or importance of such components. Such expressions may be used to distinguish one component from another. For example, the first user device and the second user device are both user devices and represent different user devices. For example, without departing from the scope of the various embodiments of the present disclosure, the first component may be named the second component, and similarly, the second component may be named the first component.

[0027] When it is stated that a component is "connected" or "connected" to another component, it should be understood that the component may be directly connected or connected to the other component, but that a new component may exist between the component and the other component. On the other hand, when it is stated that a component is "directly connected" or "directly connected" to another component, it should be understood that no new component exists between the component and the other component.

[0028] The terms used in the various embodiments of this disclosure are used merely to describe specific embodiments and are not intended to limit the various embodiments of this disclosure. The singular expression includes the plural expression unless the context clearly indicates otherwise.

[0029] Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as generally understood by those skilled in the art to which the various embodiments of this disclosure pertain.

[0030] Terms such as those defined in commonly used dictionaries should be interpreted as having meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in an ideal or overly formal sense unless explicitly defined in the various embodiments of the present disclosure.

[0032] The following is explained in greater detail with reference to the drawings. Detailed explanations of facts obvious to those skilled in the art are omitted.

[0033] FIG. 1 is a diagram showing the configuration of a working electric shears according to one embodiment of the present invention.

[0034] A working electric shears according to one embodiment may include a shear section (100) and a first control section (200).

[0036] The above scissor part (100) may include a blade part (110) having a cutting blade (112), a handle part (120) extending from the blade part (110), and a heating part (140) attached to the blade part (110).

[0037] The blade portion (110) may be formed of a conductive metal including a cutting blade (112), and may be formed of an iron-based material that can be heated by electricity.

[0038] A heating unit (140) may be provided to be attached to a blade portion (110) to heat the entire blade portion (110), including the cutting blade (112). According to one embodiment, the heating unit (140) may be positioned adjacent to the cutting blade (112) and may be provided to extend to an area that overlaps with a certain area of ​​the cutting blade (112). Thus, it is desirable to ensure that the heating effect by the heating unit (140) is effectively transferred to the cutting blade (112).

[0039] However, the heating unit (140) may be spaced apart to a certain extent from the cutting edge (113) of the cutting blade (112). Since the cutting edge (113) is the area where the cutting actually takes place, the heating unit (140) is prevented from interfering with the cutting by the cutting edge (113).

[0040] According to one embodiment, the heating unit (140) may include a heating film provided in a flat plate shape. Since such a heating film can significantly reduce the volume of the heating unit (140) and lower its weight, it can improve the user's handling and workability.

[0041] The heating film has an adhesive portion formed on one side and can be bonded to the flat surface of the blade portion (110) by this adhesive portion. By bonding the heating portion (140) formed by the heating film to the flat surface of the blade portion (110) to form an overall flat structure, the increase in volume caused by the heating portion (140) can be minimized.

[0042] According to one embodiment, the heating film may have a structure comprising a heating wire pattern on a flat heat-resistant polyimide base film. The heating wire pattern may be distributed over the entire surface area of ​​the base film, thereby heating the entire heating film.

[0043] In this way, by forming the heating film with a polymer-based heat-resistant base film, there is no risk of burns even if the user touches the heating film, and safety can be provided to the user during operation.

[0044] The handle portion (120) may include an extension portion (121) extending from the blade portion (110) and an insulating handle (122) provided to wrap around the extension portion (121) and to allow a user to grip it.

[0045] According to one embodiment, the extension (121) may be formed integrally with the blade (110), and accordingly, may be formed of a conductive metal.

[0046] The above-mentioned insulating handle (122) can block heat transfer to a certain extent when a user grips it, and can be formed from a plastic injection molded product.

[0047] Optionally, an elastic member (130) may be coupled between a pair of extension members (121), thereby allowing the pair of extension members (121) to receive an elastic force in a direction that causes them to spread apart from each other, making it easier for the user to use.

[0049] The first control unit (200) above may be electrically connected to the heating unit (140) and configured to control the temperature of the heating unit (140).

[0050] According to one embodiment, the first control unit (200) can be electrically connected to the heating unit (140) by a connection unit (220).

[0051] According to one embodiment, the connecting portion (220) may include a first connecting portion (221) and a second connecting portion (222).

[0052] The first connecting part (221) may be located between the first control part (200) and the handle part (120), and the second connecting part (222) may be located between the handle part (120) and the heating part (140). The first connecting part (221) and the second connecting part (222) may be electrically connected to each other. The second connecting part (222) may extend to the heating part (140) along the extension part (121) and / or the blade part (110), and preferably may be closely bonded to the extension part (121) and / or the blade part (110).

[0053] According to one embodiment, the first control unit (200) may include a main body (210) and a display unit (230) mounted on the main body (210). The main body (210) may be equipped with a first switch (241) and a second switch (242). The electrical connection between the first control unit (200) and the heating unit (140) may be selectively switched by the first switch (241). The second switch (242) is electrically connected to the display unit (230) to control the display unit (230), and the display unit (230) may display various electrical states related to the first control unit (200). For example, the display unit (230) may display the battery status and / or remaining amount, etc., mounted within the main body (210). Optionally, the display unit (230) may display the electrical output applied to the heating unit (140), etc. Optionally, the display unit (230) can display the temperature of the heating unit (140).

[0055] FIG. 2 is an exemplary configuration diagram of a system for working electric shears according to an embodiment of the present invention.

[0056] Referring to FIG. 2, a battery (212) may be installed within the main body (210) as described above. Although not shown in the drawing, the battery (212) may be charged by connecting it to an external power source via a separate terminal. Optionally, the battery (212) may be detachably mounted on the main body (210).

[0057] This battery (212) can be electrically connected to the heating unit (140) via the first connection part (221) and the second connection part (222).

[0058] According to one embodiment, the battery (212) and the first connection part (221) can be electrically connected to be selectively turned on / off by the first switch (241).

[0059] A display unit (230) can be electrically connected to the first connection unit (221), and a second switch (242) is electrically connected between the display unit (230) and the first connection unit (221) so that the display unit (230) can be controlled by the second switch (242).

[0060] According to one embodiment of the present invention, a second control unit (300) may be located between the main body (210) and the heating unit (140). Preferably, the second control unit (300) may be electrically connected to the first connecting unit (221) and the second connecting unit (222), respectively.

[0061] The second control unit (300) may be configured to selectively cut off the electrical connection between the heating unit (140) and the first control unit (200) according to the temperature of the handle unit (120).

[0063] According to another embodiment of the present invention, the second control unit (300) may further include a sensing unit (310), the sensing unit (310) may detect the temperature of the handle unit (120).

[0064] The sensing unit (310) may be electrically connected to a third switch (243). The third switch (243) may cut off the electrical connection between the first connection unit (221) and the second connection unit (222) when the temperature detected by the sensing unit (310) exceeds a certain level. According to one embodiment, the first connection unit (221) and the second connection unit (222) may be electrically connected again when the temperature detected by the sensing unit (310) drops below a specific temperature.

[0065] This second control unit (300) may be mounted on the handle unit (120). However, it is not necessarily limited to this, and only the sensing unit (310) of the second control unit (300) may be mounted on the handle unit (120), and the third switch (243) may be located on the first control unit (200).

[0066] By using this second control unit (300), the heating unit (140) can be prevented from being overheated, thereby preventing the user from getting burned during use.

[0068] As such, the present invention has been described with reference to the embodiments illustrated in the drawings, but this is merely illustrative, and those skilled in the art will understand that various modifications and equivalent alternative embodiments are possible therefrom. Accordingly, the true technical scope of protection of the present invention should be determined by the technical spirit of the appended claims.

[0069] Effects of the invention

[0070] According to an embodiment of the present invention, the user's workability can be improved because the electric scissors for work are lightweight and do not have a large volume.

[0071] According to an embodiment of the present invention, since the outer surface of the heating part has a heat-resistant polymer film structure, it is possible to prevent the user from suffering burns due to the heating part.

[0072] According to an embodiment of the present invention, the heating unit can be prevented from being excessively heated by the second control unit, and accordingly, the user can be prevented from suffering burns during use.

[0073] This invention can sterilize plant harmful bacteria and viruses during horticultural work.

Claims

Claim 1 A working electric shears comprising: a blade portion having a cutting blade and a handle portion extending from the blade portion; a heating portion in the form of a heating film that is closely bonded to the flat surface of the blade portion and configured to heat an area adjacent to the cutting blade in a planar manner; and a first control portion electrically connected to the heating portion and controlling the temperature of the heating portion to a set temperature range for sterilizing the cutting surface simultaneously with cutting a plant; further comprising a second control portion disposed in the handle portion to detect the temperature of the handle portion and automatically cut off the electrical connection between the heating portion and the first control portion when the temperature of the handle portion exceeds a reference temperature, wherein the second control portion comprises: a temperature sensor disposed in the handle portion; and a switch that cuts off power supplied to the heating portion when the temperature detected by the temperature sensor exceeds the reference temperature; and wherein the second control portion is configured to cut off power supplied to the heating portion when the temperature detected by the temperature sensor exceeds the reference temperature and to allow the electrical connection again when the temperature decreases below the reference temperature. Claim 2 In claim 1, the heating film comprises a heat-resistant polymer base film; and a heating wire pattern distributed over the entire surface of the base film, forming a working electric shears. Claim 3 delete Claim 4 delete

Citation Information

Patent Citations

  • Heating seat

    KR1020090097257A

  • Method for cutting stalks of crops and scissors for cutting stalks of crops

    KR1020140036501A

  • Plant scissors using electric heat

    KR1020160045274A