Tweezers

By designing an arc-shaped interlocking serrated structure for the tweezer arms, the problems of slippage and directional control when the tweezers grip smooth metal parts are solved, achieving stable gripping and improved durability.

CN223617529UActive Publication Date: 2025-12-02FOSHAN DONNA LIGHTING
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Patent Information

Application Number
CN202422838923.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-12-02
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

Existing tweezers tend to slip when gripping smooth metal parts and the gripping direction cannot be controlled.

Method used

The tweezers are designed with curved arms, serrated inner surfaces of the tweezer heads, and serrated tips that engage with serrated valleys. The serrated valleys are planar, while the serrated tips are triangular prisms. The tweezer arms are flat metal sheets with gradually decreasing width, conforming to ergonomic design.

Benefits of technology

It increases the friction between the tweezers and the components, preventing unstable clamping and slippage, controlling the clamping direction, reducing production costs, and improving durability and aesthetics.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of clamping tools, in particular to a pair of tweezers, which comprises two tweezer arms, each tweezer arm is provided with a connecting part, a holding part and a tweezer head part, each holding part is positioned between the corresponding connecting part and the corresponding tweezer head part, the connecting parts of the two tweezer arms are mutually connected to form a whole, and the holding parts of the two tweezer arms are mutually inward to form an arc shape. And sawteeth which are meshed with each other are formed on the opposite inner surfaces of the forceps heads of the two forceps arms. According to the tweezers, the meshed sawteeth are formed on the opposite inner surfaces of the two tweezers heads, so that the friction force between the tweezers and a clamped object is increased, the tweezers can effectively prevent the situations of unstable clamping and slipping, the grabbing force of the sawteeth to the clamped object is increased, the tweezers can effectively control the direction of the clamped object to be kept unchanged, and the clamping effect is improved. The special function requirement that the tweezers control the direction of clamped objects to be unchanged is met. Therefore, the tweezers effectively solve the problems that in the prior art, tweezers are prone to slipping in the clamping process, and the direction of clamped objects cannot be controlled to be unchanged.
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Description

Technical Field

[0001] This utility model relates to the field of clamping tool technology, and in particular to a pair of tweezers. Background Technology

[0002] Tweezers, as an important grasping tool, are used in all aspects of people's work and life. With the development of the times, tweezers have also become more diverse in terms of various functions, and there are many different application scenarios such as daily handicrafts and art, medical and plastic surgery, experiments and scientific research, and electronic device repair.

[0003] Existing tweezers generally have smooth tips, or a small portion designed for electronic component repair applications. Specifically, they are suitable for gripping metal parts with threads or teeth, such as screws, studs, and bolts, when used for the inspection and maintenance of lighting fixtures. However, when gripping smooth, specialized metal parts such as nails, shafts, and pins, the friction between existing tweezers and these parts is relatively low, leading to unstable gripping. This can cause slippage and the object to fall, and the unstable grip often makes it difficult to maintain the orientation of the gripped object. Utility Model Content

[0004] In view of this, the present invention provides a pair of tweezers to solve the problems of slippage during the gripping process and inability to control the orientation of the gripped object in the prior art.

[0005] To solve the above-mentioned technical problems, the present invention provides a tweezer, which includes two tweezer arms. Each tweezer arm has a connecting part, a holding part, and a tweezer head. The holding part is located between the connecting part and the tweezer head. The connecting parts of the two tweezer arms are connected to each other to form a whole. The holding parts of the two tweezer arms form an arc shape inward towards each other. The tweezer heads of the two tweezer arms form interlocking serrations on their respective inner surfaces.

[0006] As one embodiment of this utility model, the serrations are each formed with a plurality of serration tips and serration valleys at intervals, and the serration tip of any one of the tweezer arms mates with the serration valley of another tweezer arm.

[0007] As one embodiment of this utility model, the serrated valley is planar and is on the same surface as the inner surface of the tweezer arm.

[0008] In one embodiment of this utility model, the serrated tip is triangular prism-shaped.

[0009] As an embodiment of this utility model, any one side of the triangular prism-shaped serrated tip is on the same surface as the inner surface of the tweezer arm.

[0010] In one embodiment of this utility model, the tweezers arm is a flat metal sheet.

[0011] In another embodiment of this utility model, the width of the tweezers arm gradually decreases from the connecting part to the gripping part and then to the tweezers head.

[0012] In another embodiment of this utility model, the length ratio of the connecting part to the gripping part is 1:7.

[0013] In another embodiment of this utility model, the length ratio of the holding part to the length of the tweezers head is 3:1.

[0014] In another embodiment of this utility model, the connection method of the connecting part of the two tweezer arms is any one of bonding, pressing, welding and riveting.

[0015] Compared with the prior art, the tweezers provided in this embodiment of the present invention have the following advantages:

[0016] 1. The tweezers provided by this utility model include two tweezer arms connected together to form a single unit, two gripping parts forming an inward arc shape, and two tweezer heads forming interlocking serrations on their opposing inner surfaces. The connecting part serves as the fixing part of the tweezers, the gripping part as the hand-held part, and the tweezer heads as the clamping part for holding the object. Fixed by the connecting part on one side, the openable or closed nature of the two arc-shaped arms on the other side allows the user to control the gripping part in the middle, thereby controlling the opening and closing of the tweezer heads and achieving the clamping function. Furthermore, the interlocking serrations on the opposing inner surfaces of the two tweezer heads increase the friction between the tweezers and smooth metal parts such as nails, shafts, and pins, effectively preventing unstable gripping and slippage. The serrations also increase the gripping force, effectively maintaining the orientation of the object being held. This tweezers can also meet the special functional requirement of maintaining the orientation of the held object. Therefore, the tweezers provided by this utility model effectively solve the problems of slippage during the gripping process and inability to control the direction of the gripped object in the prior art.

[0017] 2. In the tweezers provided by this utility model, the serrations are formed with multiple serration tips and serration valleys. The serration tip of any tweezer arm cooperates with the serration valley of another tweezer arm. Through the cooperation of the serration tips and serration valleys, the friction between the tweezers and the object being held is effectively increased, preventing unstable gripping and slippage during the gripping process, and also controlling the direction of the object being held.

[0018] 3. In the tweezers provided by this utility model, the serrated valleys are planar and are on the same surface as the inner surface of the tweezer arms. If both the serrated tips and the serrated valleys are sharp angles, the contact area between the tweezers and the object being held may be at two sharp angles, potentially damaging the object. Therefore, by making the serrated valleys planar, the contact point between the tweezers and the object being held can fall between the side of the sharp angle and the planar serrated valley. This ensures that the gripping is stable and does not slip during the gripping process, and also effectively prevents potential damage to the object being held.

[0019] 4. In the tweezers provided by this utility model, the serrated tip is triangular prism-shaped. Any side of the serrated tip of the triangular prism is on the same surface as the inner surface of the tweezer arm, so that the triangular tip of the triangular prism is opposite to the serrated valley. When clamping, the other two sides of the triangular prism match the other two sides of the serrated tip of the other tweezer arm to clamp the object. The object is controlled in the position between the two sides of the serrated tip of the two tweezer arms and the serrated valley, which can ensure that the direction of the object is kept unchanged and can also prevent the phenomenon of unstable clamping and slippage during the clamping process.

[0020] 5. The tweezers provided by this utility model have flat metal arms. Compared with existing complex and heavy tweezers, flat tweezer arms have the advantages of integrated functions and simple structure, effectively reducing costs. In addition, tweezers made with metal arms have greater strength and hardness than plastic tweezers when used for the inspection and maintenance of lighting fixtures and when it is necessary to hold metal parts. They will not be damaged by the metal parts they hold, and have high durability.

[0021] 6. In the tweezers provided by this utility model, the width of the tweezer arms gradually decreases from the connecting part to the gripping part and then to the tweezer head. This not only conforms to fluid aesthetics and is aesthetically pleasing, but also conforms to ergonomics, making it easy to grip. It also matches the curvature of the human hand when gripping the gripping part, making it easier for the person to control the force of the tweezers in gripping the object and control the direction of movement of the object gripped by the tweezers. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] in:

[0024] Figure 1 A three-dimensional structural schematic diagram of the tweezers provided in this embodiment of the present invention is shown;

[0025] Figure 2 A side view of the tweezers provided in this embodiment of the present invention is shown.

[0026] Figure 3 It shows Figure 1 A magnified structural diagram of A in the diagram.

[0027] Explanation of reference numerals in the attached diagram:

[0028] 1. Tweezers;

[0029] 11. Tweezers arm;

[0030] 111. Connecting part; 112. Holding part; 113. Tweezers head; 114. Serrations;

[0031] 1141. Serrated tip; 1142. Serrated valley. Detailed Implementation

[0032] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings, which illustrate embodiments of the present application. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this application will be thorough and complete.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0034] It is understood that the singular forms of “a,” “an,” and “the” may also include the plural forms unless the context clearly indicates otherwise. It should also be understood that terms such as “comprising,” “including,” or “having” specify the presence of the stated feature, whole, step, operation, component, part, or combination thereof, but do not preclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts, or combinations thereof.

[0035] It should be noted that when one element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intervening element present. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only. In this invention, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for better description of this invention and its embodiments and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation. Furthermore, some of the above terms may be used to indicate other meanings besides orientation or positional relationship; for example, the term "upper" may in some cases indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this invention according to the specific circumstances.

[0036] Furthermore, the terms "set up," "equipped with," "connected," and "connected" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances.

[0037] Please see Figure 1 and Figure 2 An embodiment of this utility model discloses a pair of tweezers 1, which includes two tweezer arms 11. Each tweezer arm 11 has a connecting part 111, a holding part 112, and a tweezer head 113. The holding part 112 is located between the connecting part 111 and the tweezer head 113. The connecting parts 111 of the two tweezer arms 11 are connected to each other to form a whole. The holding parts 112 of the two tweezer arms 11 form an arc shape towards each other. The tweezer heads 113 of the two tweezer arms 11 have interlocking serrations 114 on their respective inner surfaces.

[0038] It can be understood that the two tweezer arms 11 are connected to form a whole through the connecting part 111, and one end of the two gripping parts 112 is connected to the connecting part 111 to form a whole. The rest are arc-shaped inwards and outwards in the middle. The two tweezer heads 113 form interlocking serrations 114 on their respective inner surfaces. The connecting part 111 serves as the fixing part of the tweezers 1, the gripping part 112 serves as the hand-held part of the tweezers 1, and the tweezer heads 113 serve as the clamping part of the tweezers 1 for clamping the object.

[0039] In this embodiment of the invention, the connecting part 111 on one side is fixed, while the two arc-shaped arms on the other side can open or close, allowing a person to control the gripping part 112 in the middle by hand, thereby controlling the opening and closing of the tweezers head 113 to achieve the gripping function of the tweezers 1. Furthermore, the interlocking serrations 114 formed on the opposing inner surfaces of the two tweezers head 113 ensure that even when gripping smooth special metal parts such as nails, shafts, and pins, the serrations 114 increase the friction between the tweezers and the object being gripped, effectively preventing unstable gripping and slippage. Moreover, the structural characteristics of the serrations 114 themselves increase the gripping force on the object being gripped, so the tweezers 1 can also effectively control the orientation of the gripped object to remain unchanged. This tweezers 1 can also meet the special functional requirement of maintaining the orientation of the gripped object. Therefore, the tweezers 1 provided by this invention effectively solves the problems of slippage and inability to control the orientation of the gripped object in existing tweezers.

[0040] Furthermore, please combine Figures 1 to 3 As shown, the serrations 114 are each formed with multiple serration tips 1141 and serration valleys 1142 at intervals. The serration tip 1141 of any tweezer arm 11 cooperates with the serration valley 1142 of another tweezer arm 11. Through the cooperation of each serration tip 1141 and serration valley 1142, the friction between the tweezers 1 and the object being held can be effectively increased, preventing unstable holding and slippage during the tweezers process, and also controlling the direction of the object being held.

[0041] Furthermore, the serrated valley 1142 is planar and is on the same surface as the inner surface of the tweezer arm 11.

[0042] It is understandable that if both the serrated tip 1141 and the serrated valley 1142 are sharp angles, the contact area between the tweezers 1 and the object being held may be at the two sharp angles, and the object being held may be damaged to some extent. Therefore, the tweezers 1 provided in this embodiment of the present invention, by setting the serrated valley 1142 to be planar, allows the contact point between the tweezers 1 and the object to fall between the side of the sharp angle and the planar serrated valley 1142. This ensures that there will be no unstable gripping or slippage during the gripping process, and also effectively prevents the object being held from being damaged to some extent.

[0043] Furthermore, the serrated tip 1141 is triangular prism-shaped. Even further, any one side of the triangular prism-shaped serrated tip 1141 is on the same plane as the inner surface of the tweezer arm 11. Specifically, the side of the triangular prism on the same plane as the inner surface of the tweezer arm 11 is on the same plane as the serrated valley 1142. The triangular tip of the triangular prism in the serrated tip 1141 faces the serrated valley 1142. During clamping, the other two sides of the triangular prism align with the other two sides of the serrated tip 1141 of the other tweezer arm 11 to clamp the object. The object is controlled within the position between the two sides of the serrated tip 1141 of the two tweezer arms 11 and the serrated valley 1142, ensuring that the orientation of the object remains unchanged and preventing instability and slippage during the clamping process.

[0044] Furthermore, the tweezer arm 11 is a flat metal plate.

[0045] Specifically, the flat tweezer arms 11 have the advantages of integrated functions and simple structure. Compared with existing complex and heavy tweezers, they can effectively reduce the production cost of tweezers 1, thereby reducing the maintenance and operating costs for the inspection and maintenance of lighting fixtures. In addition, the tweezers 1 made of metal tweezer arms 11 have greater strength and hardness than plastic tweezers when holding metal parts for the inspection and maintenance of lighting fixtures. They will not be damaged by the metal parts they hold, and have high durability.

[0046] Furthermore, the width of the tweezers arm 11 gradually decreases from the connecting portion 111 to the gripping portion 112 and then to the tweezers head 113. This design not only conforms to fluid aesthetics and is aesthetically pleasing, but also conforms to ergonomics, facilitating gripping. It also matches the curvature of a person's hand when grasping the gripping portion 112, making it easier for the person to control the force with which the tweezers 1 grasps the object and the direction of movement of the object.

[0047] Furthermore, the length ratio of the connecting part 111 to the holding part 112 is 1:7, and the length ratio of the holding part 112 to the tweezer head 113 is 3:1.

[0048] Optionally, the connection method of the connecting part 111 of the two tweezer arms 11 can be any one of bonding, pressing, welding, and riveting, and the present invention does not specifically limit this. Specifically, in the embodiment of the present invention, the connection method of the connecting part 111 of the two tweezer arms 11 is welding.

[0049] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0050] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A pair of tweezers, characterized in that: The tweezers include two tweezer arms, each tweezer arm having a connecting portion, a gripping portion, and a tweezer head. The gripping portion is located between the connecting portion and the tweezer head. The connecting portions of the two tweezer arms are connected to each other to form a single unit. The gripping portions of the two tweezer arms form an arc shape that curves inward towards each other. The tweezer heads of the two tweezer arms form interlocking serrations on their respective inner surfaces. Each serration has multiple serration tips and serration valleys, and the serration tip of one tweezer arm mates with the serration valley of another tweezer arm; the serration valley is planar and is on the same surface as the inner surface of the tweezer arm; the width of the tweezer arm gradually decreases from the connecting part to the gripping part and then to the tweezer head.

2. The tweezers according to claim 1, characterized in that: The serration tip is triangular prism-shaped.

3. The tweezers according to claim 2, characterized in that: Any side of the triangular prism-shaped serrated tip is on the same plane as the inner surface of the tweezer arm.

4. The tweezers according to claim 1, characterized in that: The tweezer arms are flat metal plates.

5. The tweezers according to claim 1, characterized in that: The length ratio of the connecting part to the gripping part is 1:

7.

6. The tweezers according to claim 1, characterized in that: The length ratio of the gripping part to the length of the tweezers head is 3:

1.

7. The tweezers according to claim 1, characterized in that: The connection method of the connecting part of the two tweezer arms is any one of bonding, pressing, welding and riveting.