Electric fish knife

By designing a turbine drive module and unlocking components, the problem of blade jamming in electric fish knives has been solved, improving cutting efficiency and safety, and ensuring the stability and safety of cutting quality.

CN223943678UActive Publication Date: 2026-02-27YIZEWAN TECH (ZHUHAI) CO LTD
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Patent Information

Application Number
CN202520340344.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-02-27
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

Existing electric fish cutters are prone to jamming when the two sets of blades reciprocate, resulting in unstable cutting quality and posing a safety hazard.

Method used

The turbine drive module is used to realize the alternating reciprocating motion of the first and second blades. Combined with the unlocking component and safety button, it ensures high cutting efficiency and high safety.

Benefits of technology

This technology achieves higher cutting efficiency, better stability, and greater safety for electric fish knives, avoids jamming, and improves the user experience.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223943678U_ABST
    Figure CN223943678U_ABST
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Abstract

The utility model discloses an electric fish knife. The electric fish knife comprises a blade part and a knife handle part, the cutter handle part comprises a driving module, a turbine transmission module and a blade pushing mechanism; the blade part comprises a first blade and a second blade; the first blade and the second blade are parallel to each other, and one end of the first blade and one end of the second blade are connected with the blade pushing mechanism. The blade pushing mechanism is connected with the two sides of the turbine transmission module. And the driving module is used for driving the turbine transmission module to drive the first blade and the second blade to do reciprocating motion. The electric fish knife is compact in overall structure, staggered reciprocating motion of the first blade and the second blade is achieved through the turbine transmission module, and cutting efficiency is high. And the driving module can be in a plug-in type or can be powered by a battery, so that the flexibility is high. And meanwhile, the unlocking assembly and the safety button are designed, so that the overall safety and controllability are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fish knife technical field, concretely relates to a kind of electric fish knife. BACKGROUND

[0002] Electric fish knife is a kind of electric tool designed for cutting fish. The design of electric fish knife is similar to electric reciprocating saw, usually two thin blades are installed side by side on the handle, when starting, one blade pushes forward, while the other blade pulls back, which helps the knife to cut open fish skin and fish meat without exerting too much pressure on the blade, so that the user can easily maintain control of the knife during the entire cutting process. Using electric fish knife can reduce the burden on wrist and hand, which is a boon for people with arthritis or hand injury. At the same time, the cutting consistency of electric fish knife is also one of its highlights, as the reciprocating motion driven by power, the same pressure can be maintained for each cutting, ensuring the cutting quality.

[0003] However, the electric fish knife in the prior art has an unreasonable structure design, which is prone to jamming when the two groups of blades reciprocate, resulting in unstable cutting quality. The current electric fish knife needs to be improved, mainly including the problem that the trigger mechanism may be stuck in the "on" position. The trigger mechanism on the electric fish knife device may be stuck in the "on" position, which is a serious safety hazard that may cause cutting injury. This problem has been found in some brands of electric fish knife and has been recalled. SUMMARY

[0004] The utility model aims at overcoming at least one of the above-mentioned defects of the prior art, and provides an electric fish knife to achieve higher cutting efficiency and higher stability.

[0005] The utility model provides an electric fish knife, which comprises a blade part and a handle part; the handle part comprises a drive module, a turbine transmission module and a blade pushing mechanism; the blade part comprises a first blade and a second blade; the first blade and the second blade are parallel to each other, and one end of the first blade and the second blade is connected to the blade pushing mechanism respectively; the blade pushing mechanism is connected to both sides of the turbine transmission module; the drive module is used to drive the turbine transmission module to drive the first blade and the second blade to reciprocate.

[0006] The utility model discloses an electric fish knife's blade part is two groups of blades side by side, and the reciprocating motion of two staggered realizes staggered cutting, wherein the first blade and the second blade's cutting edge are all in the form of serration, improve cutting efficiency. The utility model discloses the difference from prior art lies in, the utility model discloses the staggered reciprocating motion of first blade and second blade is realized by turbine transmission module, and cutting efficiency is high. Wherein drive module can be plug -in type also can be battery provides power, and then utilizes motor or air cylinder to realize turbine transmission module rotation, and further utilizes turbine transmission module to drive blade part to cut the movement.

[0007] Further, the turbine transmission module includes a worm, a turbine component, and a pin; the worm is connected to the drive module; the bottom of the turbine component is engaged with the worm; the blade pushing mechanism is connected to the turbine component through the pin.

[0008] The worm is in the form of screw thread, and the screw thread can be engaged with the gear on the turbine component, so that the turbine component rotates synchronously when the drive module drives the worm to rotate; the pin transversely penetrates the turbine component to serve as a mounting for the turbine component; and since the shafts on the two sides of the turbine component are different, the pin connects the blade pushing mechanism to enable the blade pushing mechanisms on the two sides to drive the first blade and the second blade to move forward and backward respectively.

[0009] Further, the blade pushing mechanism includes an unlocking assembly and a switch assembly; one end of the unlocking assembly is clamped to the first blade and the second blade respectively, and the unlocking assembly is used to realize the synchronous unlocking and locking of the first blade and the second blade by pushing forward and backward; the switch assembly is arranged below the unlocking assembly and is used to control the start and stop of the drive module.

[0010] The unlocking assembly is used to unlock the blades to avoid accidental touch after the blades are locked; other unlocking functions, such as unlocking the blade part to facilitate disassembly, can also be designed according to requirements.

[0011] Further, the handle part further comprises a shell; the unlocking assembly comprises a first fixed sheet, a second fixed sheet, a first torsion spring, a second torsion spring, a first push rod, a second push rod, a fixed frame and a control key; the bottom of the first fixed sheet is connected with the first blade; the bottom of the second fixed sheet is connected with the second blade; one end of the first torsion spring is connected with the first blade, and the other end is connected with the first push rod; one end of the second torsion spring is connected with the second blade, and the other end is connected with the second push rod; the other ends of the first push rod and the second push rod are connected with the turbine member through pins; the fixed frame is sleeved on the outer sides of the first push rod and the second push rod and is installed in the shell; the control key is arranged above the fixed frame and is movably connected with the shell; the first fixed sheet and the second fixed sheet are locked and unlocked by pushing the control key.

[0012] Further, the shell comprises a first body and a second body, the first body and the second body are fixed by screws; the inner walls of the first body and the second body are provided with clamping grooves; the two sides of the control key are provided with convex columns; the control key is movably embedded into the clamping grooves through the convex columns; a first tension spring is further arranged in the control key; one end of the first tension spring is fixed with one end of the control key, and the other end is fixed with the screw; the bottom of the control key is provided with a clamping position, the first fixed sheet and the second fixed sheet are locked by pushing the control key; the control key is unlocked and rebounded by pushing the control key again under the action of the rebounding force of the first tension spring.

[0013] The unlocking assembly of the utility model mainly realizes locking by limiting the movement of the first push rod and the second push rod; the shell is fastened by mutually buckling the first body and the second body and cooperating with the screw; the long screw can penetrate through the first body and the second body, a pull rod is formed in the middle part, and one end of the first tension spring can be fixed.

[0014] Further, the switch assembly comprises a jogger, a key, a second tension spring, the jogger is connected with the driving module, one end of the key is connected with the inner wall of the shell through the second tension spring, and the other end is movably connected with the jogger.

[0015] The second tension spring is in a stretching state by pushing the key, and the key drives the jogger to communicate with the driving module until the key is opened; the key returns to the original state by the rebounding force of the second tension spring, the jogger is connected with the driving module again by secondly pulling the key, and the driving module is closed to realize standby.

[0016] Further, the electric fish knife further comprises a safety button; the two ends of the safety button penetrate out of the two sides of the shell; the middle part of the safety button is movably connected with the key.

[0017] In order to avoid the key error touch causes the blade part to work, the utility model also designs the safety button, the middle part of safety button is equipped with the clamping position, the middle part of the key is equipped with the boss, in the first tension spring rebound state, the boss is embedded in the clamping position, promotes the safety button through one side, makes the boss from the clamping position unlocking, at this time, through the key, the point actuator starting drive module can be realized.

[0018] Further, in the preferred mode of the utility model, the drive module includes a battery, a PCB board and a motor which are electrically connected to each other; the battery is used to drive the motor to rotate so as to realize the reciprocating movement of the first blade and the second blade driven by the blade pushing mechanism. More preferably, the battery is a lithium battery, and a plug-in interface can be arranged at the tail of the electric fish knife to charge the battery. The drive module further includes a battery fixing mechanism, a conductive sheet and a conductive spring sheet; the battery is arranged in the battery fixing mechanism, and the PCB board is arranged below the battery; the front end of the battery is sequentially connected to the conductive spring sheet and the conductive sheet; and the conductive sheet is connected to the motor.

[0019] Another embodiment of the utility model is to select a direct plug-in power supply mode to realize power supply, the drive module includes a rectifier bridge and a motor which are electrically connected, and the rectifier bridge is connected to an external power supply through a plug-in line to provide power supply for the motor.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] The electric fish knife of the utility model has a compact overall structure, realizes the staggered reciprocating movement of the first blade and the second blade through the turbine transmission module, and has high cutting efficiency. The drive module of the utility model can be plug-in type or battery-powered, and then a motor or a cylinder is used to realize the rotation of the turbine transmission module, and then the turbine transmission module is used to drive the blade part to cut, so that the flexibility is high. Meanwhile, the utility model designs an unlocking assembly and a safety button to improve the overall safety and controllability. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 FIG. 1 is a schematic view of the overall structure of the electric fish knife of embodiment 1.

[0023] Figure 2 FIG. 2 is a schematic view of the internal structure of the electric fish knife of embodiment 1.

[0024] Figure 3 FIG. 3 is a schematic view of the internal structure of the electric fish knife of embodiment 1 after the hidden shell is removed.

[0025] Figure 4 FIG. 4 is an exploded view of the electric fish knife of embodiment 1.

[0026] Figure 5 This is a partial structural diagram of the electric fish knife in Example 1.

[0027] Figure 6 This is a schematic diagram of the layout structure of the electric fish knife in Example 1 from another perspective.

[0028] Figure 7 This is a three-dimensional structural diagram of the electric fish knife in Example 2.

[0029] Figure 8 This is a schematic diagram of the internal installation of the electric fish knife in Example 2. Detailed Implementation

[0030] The accompanying drawings illustrate the technical solutions of this utility model in more detail. Throughout the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions. The described embodiments are only some, not all, of the embodiments of this utility model. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0031] It should be noted that if the embodiments of this application involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0032] Furthermore, if the embodiments of this application involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed in this application.

[0033] Example 1

[0034] like Figure 1 As shown, this embodiment provides a lithium-ion electric fish knife 100, including a blade portion 1 and a handle portion 2; combined with Figure 2As shown, the shank part 2 comprises a shell 21, a driving module 22, a turbine transmission module 23, and a blade pushing mechanism 24; the blade part 1 comprises a first blade 11 and a second blade 12; the first blade 11 and the second blade 12 are parallel to each other, and one end of the first blade 11 and the second blade 12 is connected to the blade pushing mechanism 24 respectively; the blade pushing mechanism 24 is connected to both sides of the turbine transmission module 23; as shown Figure 3 As shown, the driving module 22 comprises a battery 221, a PCB board 222, a motor 223, a battery fixing mechanism 224, a conductive sheet 225, and a conductive spring sheet 226 which are electrically connected to each other; the battery 221 is arranged in the battery fixing mechanism 224, and the PCB board 222 is arranged below the battery 221; the front end of the battery 221 is connected to the conductive spring sheet 226 and the conductive sheet 225 in sequence; the conductive sheet 225 is connected to the motor 223, and the motor 223 is driven to rotate by the battery 221 to realize the reciprocating movement of the first blade 11 and the second blade 12 driven by the blade pushing mechanism 24. The battery 221 and the motor 223 are both protected by a shell 400. The PCB board 222 is provided with a USB plug interface 500, and the shell 400 is provided with a USB plug 4.

[0035] As shown Figure 4 As shown, the shell 21 comprises a first body 211 and a second body 212, and a plurality of anti-slip nets are arranged on the first body 211 and the second body 212; the first body 211 and the second body 212 are fixed by screws 300; the driving module 22, the turbine transmission module 23, and the blade pushing mechanism 24 are arranged in a containing space formed by the buckling of the first body 211 and the second body 212. One knife handle 213 is further arranged on each of the first blade 11 and the second blade 12.

[0036] As shown Figures 2-3 As shown, the turbine transmission module 23 comprises a worm 231, a turbine part 232, and a pin 233; the worm 231 is connected to the motor 223; the turbine part 232 is connected to a copper piece 234 at both ends, and the bottom is engaged with the worm 231; the blade pushing mechanism 24 is connected to the turbine part 232 through the pin 233.

[0037] As shown Figures 3-4 As shown, the blade pushing mechanism 24 comprises an unlocking assembly 241 and a switch assembly 242; the unlocking assembly 241 comprises a first fixed sheet 2411, a second fixed sheet 2412, a first torsional spring 2413, a second torsional spring 2414, a first push rod 2415, a second push rod 2416, a fixed frame 2417, and a control key 2418; the bottom of the first fixed sheet 2411 is clamped to the first blade 11; the bottom of the second fixed sheet 2412 is clamped to the second blade 12;Figures 5-6 As shown in the figure, one end of the first torsion spring 2413 is connected with the first blade 11, and the other end is connected with the first push rod 2415; one end of the second torsion spring 2414 is connected with the second blade 12, and the other end is connected with the second push rod 2416; the other ends of the first push rod 2415 and the second push rod 2416 are connected with the turbine 232 through the pin 233; the fixed frame 2417 is sleeved on the outer sides of the first push rod 2415 and the second push rod 2416, and is installed in the shell 21; the control key 2418 is arranged above the fixed frame 2417, and is movably connected with the shell 21; by pushing the control key 2418, the locking and unlocking of the first fixed blade 2411 and the second fixed blade 2412 are realized. The inner walls of the first body 211 and the second body 212 are provided with clamping grooves 10; the two sides of the control key 2418 are provided with convex columns 20; the control key 2418 is movably embedded into the clamping grooves 10 through the convex columns 20; the control key 2418 is further provided with a first tension spring 30; one end of the first tension spring 30 is fixed with one end of the control key 2418, and the other end is fixed with a screw; the bottom of the control key 2418 is provided with a clamping position 40; by pushing the control key 2418, the first fixed blade 2411 and the second fixed blade 2412 are locked with the clamping position 40; under the action of the elastic force of the first tension spring 30, by pushing the control key 2418 again, the unlocking and elastic recovery are realized.

[0038] In combination Figure 4 And Figure 5 As shown in the figure, the switch assembly 242 includes a jogger 2421, a key 2422, and a second tension spring 2423; the lower side of the key 2422 is provided with a protection plate 2424; the jogger 2421 is connected with the driving module 22; one end of the key 2422 is connected with the inner wall of the shell 21 through the second tension spring 2423, and the other end is movably connected with the jogger 2421. The electric fish knife further includes a safety button 3; the two ends of the safety button 3 penetrate out of the two sides of the shell 21; the middle part of the safety button 3 is movably connected with the key 2422.

[0039] Embodiment 2

[0040] The difference between this embodiment and embodiment 1 is that, in combination Figure 7 As shown in the figure, another electric fish knife 200 driven by an external power supply 4 is provided; in combination Figure 8 As shown in the figure, the main difference is that the driving module 22 includes an electrically connected rectifier bridge 227 and a motor 223; the rectifier bridge 227 is connected with an external power supply through a plug-in line to provide power for the motor 223, which is used to drive the turbine transmission module 23 to drive the first blade 11 and the second blade 12 to reciprocate.

[0041] The above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the present application. Those skilled in the art can also make other changes within the spirit of the present application and use them in the design of the present application, as long as they do not deviate from the technical effects of the present application. These changes made in accordance with the spirit of the present application should be included in the scope of protection claimed by the present application.

Claims

1. An electric fish knife comprising a blade part (1) and a handle part (2); characterized in that, The shank part (2) comprises a driving module (22), a turbine transmission module (23) and a blade pushing mechanism (24); the blade part (1) comprises a first blade (11) and a second blade (12); The first blade (11) and the second blade (12) are parallel to each other, and one end of the first blade (11) and the second blade (12) is connected to the blade pushing mechanism (24) respectively; the blade pushing mechanism (24) is connected to both sides of the turbine transmission module (23); The driving module (22) is used to drive the turbine transmission module (23) to drive the first blade (11) and the second blade (12) to make reciprocating motion.

2. The electric fish knife according to claim 1, characterized in that The turbine transmission module (23) comprises a worm (231), a turbine part (232) and a pin needle (233); the worm (231) is connected to the driving module (22); the bottom of the turbine part (232) is engaged with the worm (231); the blade pushing mechanism (24) is connected to the turbine part (232) through the pin needle (233).

3. The electric fish knife according to claim 2, characterized in that The blade pushing mechanism (24) comprises an unlocking assembly (241) and a switch assembly (242); The unlocking assembly (241) is clamped to one end of the first blade (11) and the second blade (12) respectively, and the synchronous unlocking and locking of the first blade (11) and the second blade (12) are realized by forward and backward pushing; The switch assembly is arranged below the unlocking assembly (241) and is used to control the start and stop of the driving module (22).

4. The electric fish knife according to claim 3, characterized in that The shank part (2) further comprises a shell (21); the unlocking assembly (241) comprises a first fixed sheet (2411), a second fixed sheet (2412), a first torsional spring (2413), a second torsional spring (2414), a first push rod (2415), a second push rod (2416), a fixed frame (2417) and a control key (2418); The bottom of the first fixed sheet (2411) is clamped to the first blade (11); the bottom of the second fixed sheet (2412) is clamped to the second blade (12); One end of the first torsional spring (2413) is clamped to the first blade (11), and the other end is clamped to the first push rod (2415); one end of the second torsional spring (2414) is clamped to the second blade (12), and the other end is clamped to the second push rod (2416); The other end of the first push rod (2415) and the second push rod (2416) is connected to the turbine part (232) through the pin needle (233) respectively; The fixed frame (2417) is sleeved outside the first push rod (2415) and the second push rod (2416) and is installed in the shell (21); the control key (2418) is arranged above the fixed frame (2417) and is movably connected to the shell (21), and the locking and unlocking of the first fixed sheet (2411) and the second fixed sheet (2412) are realized by pushing the control key (2418).

5. The electric fish knife according to claim 4, characterized in that The shell (21) comprises a first body (211) and a second body (212), the first body (211) and the second body (212) are fixed by screws; the inner wall of the first body (211) and the second body (212) is provided with a clamping groove (10); The control key (2418) is provided with a convex column (20) on both sides; the control key (2418) is movably embedded into the clamping groove (10) through the convex column (20); The control key (2418) is further provided with a first tension spring (30); one end of the first tension spring (30) is fixed with the control key (2418), and the other end is fixed with the screw; The bottom of the control key (2418) is provided with a clamping position (40), by pushing the control key (2418), the first fixed sheet (2411), the second fixed sheet (2412) and the clamping position (40) are locked; under the action of the elastic force of the first tension spring (30), by pushing the control key (2418) again, the unlocking rebound is realized.

6. The electric fish knife according to claim 4, wherein The switch assembly (242) comprises a jogger (2421), a key (2422), a second tension spring (2423), the jogger (2421) is connected with the driving module (22), one end of the key (2422) is connected with the inner wall of the shell (21) through the second tension spring (2423), and the other end is movably connected with the jogger (2421).

7. The electric fish knife according to claim 6, characterized in that It also comprises a safety button (3); both ends of the safety button (3) penetrate through both sides of the shell (21); the middle part of the safety button (3) is movably connected with the key (2422).

8. The electric fish knife according to any one of claims 1 to 5, characterized in that The driving module (22) comprises a battery (221), a PCB board (222) and a motor (223) which are electrically connected with each other; the motor (223) is driven to rotate by the battery (221) to realize that the blade pushing mechanism (24) drives the first blade (11) and the second blade (12) to make reciprocating motion.

9. The electric fish knife according to claim 8, characterized in that The driving module (22) further comprises a battery fixing mechanism (224), a conductive sheet (225) and a conductive spring sheet (226); the battery (221) is arranged in the battery fixing mechanism (224), and the PCB board (222) is arranged below the battery (221); the front end of the battery (221) is sequentially connected with the conductive spring sheet (226) and the conductive sheet (225); the conductive sheet (225) is connected with the motor (223).

10. The electric fish knife according to any one of claims 1 to 5, characterized in that The driving module (22) comprises a rectifier bridge (227) and a motor (223) which are electrically connected, and the rectifier bridge (227) provides power supply for the motor (223) through external power supply.