Shield structure of electric scissors

By designing a semi-enclosed saw blade protection and a tool-free locking and unlocking button in the electric shear guard structure, the problems of insufficient protection range and cumbersome operation of the electric shear guard are solved, achieving higher safety and convenient guard adjustment.

CN223604427UActive Publication Date: 2025-11-28FENGHUA YONGMEI MICRO-MOTOR CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422919774.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-11-28
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

Existing electric shear guards have limited protection range and the adjustment process is cumbersome, requiring tools to lock and unlock.

Method used

Design an electric saw guard structure, in which the outer periphery of the saw blade is partially surrounded by the guard body and its extension, and is movably connected by a connector. The locking button design allows for tool-less unlocking and locking, and the guard body can be rotated and adjusted.

Benefits of technology

It provides more comprehensive protection, higher safety, and is easy to operate. Users can adjust the position and angle of the shield without the need for tools to adapt to different cutting needs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223604427U_ABST
    Figure CN223604427U_ABST
Patent Text Reader

Abstract

The protective cover structure of the electric scissors comprises the electric scissors and a protective cover body, a saw blade is arranged on the electric scissors, the protective cover body is arranged outside the saw blade in a covering mode, the protective cover body is provided with an extending portion, and the extending portion extends to the position above the saw blade in the circumferential direction of the saw blade, so that the outer periphery of the saw blade is arranged in the protective cover body and the extending portion in a half-surrounding mode. A connecting hole is formed in the electric scissors, a connecting piece is arranged in the connecting hole, the extending part is movably connected to the electric scissors through the connecting piece, an arc-shaped groove hole is formed in the protective cover body, a lock knob is arranged on the arc-shaped groove hole, the lock knob penetrates through the protective cover body and abuts against the electric scissors, and when the lock knob is unscrewed, the position of the protective cover body can be adjusted through the arc-shaped groove hole by one end of the protective cover body. The other end of the protective cover body can rotate around the axis of the connecting piece with the connecting piece as the fulcrum, the design of the extending part enables the protective range to be larger, safety is higher, and the design of the lock knob enables a user to achieve unlocking and locking of the protective cover body without the help of any tool.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to electric scissors technical field, especially electric scissors's shield structure. BACKGROUND

[0002] Electric scissors are a kind of tool widely used in clothing industry and textile industry, mainly used for cutting cloth, and the core component of the tool is saw blade, and the saw blade rotates at a very high speed when working, and whether handheld or other types of electric scissors must be properly protected, in order to ensure safety, the saw blade is usually equipped with a shield, and the main function of the shield is to prevent the user from contacting the high-speed rotating saw blade during operation, so as to avoid accidental injury. However, the common shield on the market has limited protection range, and can usually only cover part of the area in front of the saw blade, which has certain safety hazards, because the user's hands or other body parts may accidentally contact the saw blade part not covered by the shield, in addition, in order to facilitate the user to adjust the position of the shield on the electric scissors, the shield is provided with a waist-shaped groove or an arc-shaped groove, through which the user can adjust the shield according to the need, but the existing shield usually needs to be locked and unlocked by screw, which means that the user must use the corresponding tool, such as screwdriver, when adjusting the shield. The user needs to loosen the screw with the tool first, then adjust the shield, and then tighten the screw with the tool after the adjustment is completed, which is relatively cumbersome and time-consuming, so it is necessary to improve. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at the defects and deficiencies of prior art, and provides electric scissors's shield structure, which is simple and reasonable in structure, convenient to operate, and the outer periphery of the saw blade is arranged in the shield body and the extension part in a half-enclosed manner, so that the protection range is larger, more comprehensive protection can be provided, and the safety is higher. The design of the lock button enables the user to unlock and lock the shield body without any tool.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0005] The utility model discloses a shield structure of electric scissors, including electric scissors and shield body, be equipped with saw blade on the electric scissors, the outside cover of saw blade is equipped with shield body, shield body is provided with extension, extension is along the circumferential extension of saw blade and is above saw blade, so that the outer periphery of saw blade is half surrounded and is arranged in shield body and extension, be provided with connecting hole on the electric scissors, be provided with connecting piece in the connecting hole, extension is through connecting piece and is movably connected to electric scissors, be equipped with arc slot hole on shield body, be provided with lock button on arc slot hole, lock button passes through shield body and is opposite electric scissors, when loosening lock button, one end of shield body can pass through arc slot hole and adjust the position of shield body on electric scissors, the other end of shield body can rotate around the axle of connecting piece with connecting piece as fulcrum.

[0006] Further, the extension is provided with a boss downwardly protruding.

[0007] Further, the connecting hole is embedded with a first insert, an inner wall of the first insert is provided with a first internal thread, and the connecting piece is provided with a first external thread matched with the first internal thread.

[0008] Further, an outer wall of the first insert is provided with a first spline tooth, and the connecting hole is provided with a first spline tooth groove matched with the first spline tooth.

[0009] Further, the connecting piece comprises a threaded portion and a rod portion, the threaded portion is provided with the first external thread, the extension is sleeved on the rod portion, and the rod portion is a smooth portion without thread.

[0010] Further, the electric scissors are embedded with a second insert matched with the lock button, an inner wall of the second insert is provided with a second internal thread, and the lock button is provided with a second external thread matched with the second internal thread.

[0011] Further, an outer wall of the second insert is provided with a second spline tooth, and the electric scissors are provided with a second spline tooth groove matched with the second spline tooth.

[0012] Further, a side of the shield body close to the saw blade is provided in an arc shape, and an arc of the shield body is matched with an arc of the saw blade.

[0013] Further, the outer wall of the shield body is provided with a plurality of anti-skid protrusions.

[0014] The utility model discloses an electric scissors' shield structure can play the role of protection, avoid the high -speed operation saw blade to human body cause the security hidden danger, and the shield body is provided with the extension, and the extension is extended to the upper of saw blade along the circumference of saw blade, so that the outer periphery of saw blade is half surrounded and is arranged in the shield body and the extension, by setting up the extension, make the protection range expand to the upper of saw blade, and the range of protection is larger, when saw blade works, can provide more comprehensive protection, and the security is higher, and the electric scissors is provided with the connecting hole, and the connecting piece is arranged in the connecting hole, and the extension is movably connected to the electric scissors through the connecting piece, and the connecting piece plays the role of positioning, and the arc slot hole is equipped on the shield body, and the lock button is arranged on the arc slot hole, and the lock button passes through the shield body and is in abutment with the electric scissors, and the design of lock button makes the user not need to help any tool to realize the unlocking and locking of shield body, concretely speaking, when loosening the lock button with hand, one end of shield body can slide relative to the lock button and the electric scissors through the arc slot hole, and then the position of shield body on the electric scissors is adjusted, and the other end of shield body movably sheathed on the connecting piece can rotate around the shaft of connecting piece with the connecting piece as the fulcrum, increase the flexibility of shield body, so that the user can adjust the angle and position of shield body according to actual need, to adapt to different shearing demand. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of the utility model under the first visual angle;

[0016] Figure 2 It is the structural schematic diagram of the utility model under the second visual angle;

[0017] Figure 3 It is the exploded structural schematic diagram of the utility model under the third visual angle;

[0018] Figure 4 It is the exploded structural schematic diagram of the utility model under the fourth visual angle;

[0019] Figure 5 It is the cross section structural schematic diagram of the utility model;

[0020] Figure 6 It is the structural schematic diagram of the shield body under the fifth visual angle;

[0021] Figure 7 It is the structural schematic diagram of the shield body under the sixth visual angle.

[0022] Figure 1 - Figure 7Middle: 1, electric scissors; 11, connecting hole; 111, first insert; 12, mounting hole; 121, second insert; 13, shell; 14, support; 141, scraping piece; 15, holder; 2, saw blade; 3, shield body; 31, extension; 311, boss; 32, arc slot; 321, lock knob; 33, anti-skid protrusion; 4, connecting piece; 41, rod; 42, threaded portion. DETAILED DESCRIPTION

[0023] The utility model will be further described below with reference to the drawings.

[0024] As Figure 1 - Figure 7 The utility model discloses a shield structure of electric scissors, including electric scissors 1 and shield body 3, be equipped with saw blade 2 on electric scissors 1, can be used for cutting cloth, the outside cover of saw blade 2 is equipped with shield body 3, play the role of protection, avoid the high -speed operation saw blade 2 to cause the security risk to human body, shield body 3 is provided with extension 31, extension 31 extends to the upper of saw blade 2 along the circumference of saw blade 2, make the outer periphery of saw blade 2 be half surrounded and be arranged in shield body 3 and extension 31, by setting up extension 31, make the protection range expand to the upper of saw blade 2, the range of protection is larger, when saw blade 2 works, can provide more comprehensive protection, higher security, electric scissors 1 is provided with connecting hole 11, connecting hole 11 is provided with connecting piece 4, extension 31 is movably connected to electric scissors 1 through connecting piece 4, and connecting piece 4 plays the role of positioning, shield body 3 is equipped with arc slot 32, arc slot 32 is provided with lock knob 321, lock knob 321 passes through shield body 3 and electric scissors 1 and is in abutment, the design of lock knob 321 makes user not need to help with any tool to realize the unlocking and locking of shield body 3, specifically, when loosening lock knob 321 with hand, one end of shield body 3 can slide relative to lock knob 321 and electric scissors 1 through arc slot 32, to adjust the position of shield body 3 on electric scissors 1, the other end of shield body 3 movably sets up on connecting piece 4 and can rotate around the axis of connecting piece 4 with connecting piece 4 as fulcrum, increase the flexibility of shield body 3, so that user can adjust the angle and position of shield body 3 according to actual needs to adapt to different cutting needs.

[0025] Preferably, in the embodiment, referring to Figure 6 - Figure 7 , the extension 31 is downwardly protruding and provided with a boss 311. The design of the boss 311 allows the user to easily lift the shield body 3 through the boss 311 when adjusting the position of the shield body 3, thereby adjusting the position of the shield body 3, greatly facilitating the operation of the user.

[0026] Preferably, in the embodiment, referring toFigure 6 The outer wall of the shroud body 3 is provided with a plurality of anti-skid protrusions 33, which facilitate the user to hold the shroud body 3 to adjust the position of the shroud body 3 on the electric scissors 1.

[0027] Preferably, in the embodiment, referring to Figure 4 The connecting hole 11 is embedded with a first insert 111, the inner wall of the first insert 111 is provided with a first internal thread, the connecting piece 4 is provided with a first external thread matched with the first internal thread, the first internal thread and the first external thread are threadedly connected, ensuring the stable and reliable connection therebetween. If the thread is directly machined in the connecting hole 11, some machining difficulties that are difficult to overcome may be encountered, for example, the problem of insufficient precision may easily occur during machining, or after the thread machining is completed, cracks may occur on the inner wall of the connecting hole 11, thereby affecting the strength and durability of the overall structure. The first internal thread is designed in the first insert 111, and the first insert 111 is embedded in the first connecting hole 11. In this way, only the first insert 111 needs to be machined with a thread, which not only improves the precision of thread machining, but also avoids the risks that may be caused by directly machining the thread in the connecting hole 11.

[0028] Preferably, in the embodiment, referring to Figure 4 The outer wall of the first insert 111 is provided with a first spline tooth, and the connecting hole 11 is provided with a first spline tooth groove matched with the first spline tooth, so as to avoid the first insert 111 from rotating when the connecting piece 4 is threadedly connected with the first insert 111, thereby affecting the connection of the connecting piece 4 and the first insert 111. Through the setting of the first spline tooth and the first spline tooth groove, the first insert 111 is rotationally matched with the connecting hole 11, ensuring that the first insert 111 will not rotate during the connection of the connecting piece 4.

[0029] Preferably, in the embodiment, referring to Figure 5 The other end of the shroud body 3 is movably sleeved on the connecting piece 4, and can rotate around the axis of the connecting piece 4 with the connecting piece 4 as a fulcrum. The connecting piece 4 includes a threaded portion 42 and a rod portion 41. The threaded portion 42 is provided with the first external thread, and the extension portion 31 is sleeved on the rod portion 41. The rod portion 41 is a smooth portion without a thread, facilitating the rotation of the extension portion 31 relative to the rod portion 41.

[0030] Preferably, in the embodiment, referring to Figure 3The electric scissors 1 is provided with a mounting hole 12, a second insert 121 matched with the lock knob 321 is embedded in the mounting hole 12, the inner wall of the second insert 121 is provided with a second internal thread, and the lock knob 321 is provided with a second external thread matched with the second internal thread. The second internal thread and the second external thread are threadedly connected, so that the connection between them is stable and reliable. If the thread is directly machined in the mounting hole 12, some machining difficulties that are difficult to overcome may be encountered, for example, the problem of insufficient accuracy may easily occur during machining, or after the thread machining is completed, cracks may occur on the inner wall of the mounting hole 12, thereby affecting the strength and durability of the overall structure. In the utility model, the second internal thread is designed in the second insert 121, and the second insert 121 is embedded in the second mounting hole 12. In this way, only the second insert 121 needs to be machined with a thread, which not only improves the accuracy of thread machining, but also avoids the risks that may be caused by directly machining the thread in the mounting hole 12.

[0031] Preferably, in the embodiment, referring to Figure 3 The outer wall of the second insert 121 is provided with a second spline tooth, and the electric scissors 1 is provided with a second spline tooth groove matched with the second spline tooth. When the lock knob 321 is threadedly connected with the second insert 121, the second insert 121 is prevented from rotating, thereby affecting the connection between the lock knob 321 and the second insert 121. Through the arrangement of the second spline tooth and the second spline tooth groove, the second insert 121 is rotationally matched with the mounting hole 12, so that the second insert 121 is prevented from rotating when the lock knob 321 rotates.

[0032] Preferably, in the embodiment, referring to Figure 6 - Figure 7 The side of the shroud body 3 close to the saw blade 2 is arc-shaped, and the curvature of the shroud body 3 matches the curvature of the saw blade 2, so that the shroud body 3 can better adapt to the saw blade 2 and provide more comprehensive protection, effectively preventing the debris and splashes generated during cutting from causing harm to the user.

[0033] Preferably, in the embodiment, referring to Figure 1 - Figure 2 The electric scissors 1 comprises a machine shell 13, the front end of the machine shell 13 is provided with the saw blade 2, the lower end of the saw blade 2 is provided with a support 14, the support 14 is fixedly connected with the machine shell 13, the machine shell 13 is provided with a motor and a transmission mechanism, the motor drives the saw blade 2 to work through the transmission mechanism, the transmission mechanism comprises a transmission block in transmission connection with the output shaft of the motor, a worm in transmission connection with the transmission block, and a worm wheel in transmission connection with the worm, the saw disc is arranged on the worm wheel and is fixed by a pressure plate, and the machine shell 13 is further provided with a control button for controlling the working of the motor.

[0034] Preferably, in the embodiment, referring toFigure 1 Figure 2 The support 14 is provided with a scraping blade 141 matched with the saw blade 2 and a cutter holder 15 connected with a static blade. The first end of the scraping blade 141 is fixedly connected with the support 14, and the second end of the scraping blade 141 is matched with the saw blade 2. A first inclined surface part is arranged between the first end and the second end of the scraping blade 141. The first end of the cutter holder 15 is fixedly connected with the support 14, and the second end of the cutter holder 15 is matched with the saw blade 2. A second inclined surface part is arranged between the first end and the second end of the cutter holder 15. The scraping blade 141 can clean the saw blade 2 of the cloth paper and other debris. The scraping blade 141 and the cutter holder 15 cooperate to separate the cut cloth paper and other materials to the two sides, so that they will not be rolled into the rear saw blade 2.

[0035] The above merely describes the preferred embodiments of the present application, and thus equivalent changes or modifications made according to the structure, features and principles described in the patent application range of the present application are included in the patent application range of the present application.​

Claims

1. A guard structure of an electric scissors, comprising an electric scissors (1) and a guard body (3), a saw blade (2) is arranged on the electric scissors (1), characterized in that: The outer cover of the saw blade (2) is provided with the shield body (3), the shield body (3) is provided with an extension part (31), the extension part (31) extends to the upper side of the saw blade (2) along the circumference of the saw blade (2), so that the outer periphery of the saw blade (2) is semi-enclosed in the shield body (3) and the extension part (31), the electric scissors (1) is provided with a connecting hole (11), the connecting hole (11) is provided with a connecting piece (4), the extension part (31) is movably connected to the electric scissors (1) through the connecting piece (4), the shield body (3) is provided with an arc-shaped slot (32), the arc-shaped slot (32) is provided with a lock knob (321), the lock knob (321) abuts against the electric scissors (1) through the shield body (3), when the lock knob (321) is loosened, one end of the shield body (3) can adjust the position of the shield body (3) on the electric scissors (1) through the arc-shaped slot (32), the other end of the shield body (3) can rotate around the axis of the connecting piece (4) with the connecting piece (4) as the fulcrum.

2. A guard structure for electric scissors according to claim 1, characterized in that: The extension part (31) is provided with a boss (311) downward.

3. A guard structure for electric scissors according to claim 1, characterized in that: The connecting hole (11) is embedded with a first insert (111), the inner wall of the first insert (111) is provided with a first internal thread, and the connecting piece (4) is provided with a first external thread matched with the first internal thread.

4. A guard structure for electric scissors according to claim 3, characterized in that: The outer wall of the first insert (111) is provided with a first spline tooth, and the connecting hole (11) is provided with a first spline tooth groove matched with the first spline tooth.

5. A guard structure for electric scissors according to claim 3, characterized in that: The connecting piece (4) comprises a threaded part (42) and a rod part (41), the threaded part (42) is provided with the first external thread, the extension part (31) is sleeved on the rod part (41), and the rod part (41) is a smooth part without thread.

6. A guard structure for electric scissors according to claim 1, characterized in that: The electric scissors (1) is embedded with a second insert (121) matched with the lock knob (321), the inner wall of the second insert (121) is provided with a second internal thread, and the lock knob (321) is provided with a second external thread matched with the second internal thread.

7. A guard structure for electric scissors according to claim 6, characterized in that: The outer wall of the second insert (121) is provided with a second spline tooth, and the electric scissors (1) is provided with a second spline tooth groove matched with the second spline tooth.

8. A guard structure for electric scissors according to claim 1, characterized in that: The side of the shield body (3) close to the saw blade (2) is arc-shaped, and the curvature of the shield body (3) matches the curvature of the saw blade (2).

9. A guard structure for electric scissors according to claim 1, characterized in that: The outer wall of the shield body (3) is provided with a plurality of anti-skid protrusions (33).