Electric preservative film cutter

By designing a plastic wrap electric cutter, the motor drives the screw to rotate to achieve automatic cutting, which solves the problems of complex and unenvironmental operation in the existing technology, and provides convenient, energy-saving and environmentally friendly cutting solutions.

CN223087293UActive Publication Date: 2025-07-11陈基传
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Patent Information

Application Number
CN202421953885.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-13
Publication Date
2025-07-11
Estimated Expiration
2034-08-13

AI Technical Summary

Technical Problem

The existing plastic wrap cutters require operation skills and are not environmentally friendly, and the existing automatic cutting devices are large and complex.

Method used

A plastic wrap electric cutter is designed, including a base, telescopic fixing device, screw rod, tool holder and motor assembly. Automatic cutting is achieved by driving the screw rod to rotate by the motor. The tool is designed to be two-way blades that can move in both directions, have magnetic absorption function and replaceable batteries, and the controller prevents excessive load.

Benefits of technology

It realizes convenient cutting without operating skills, saves electricity, takes up a small space, is environmentally friendly and versatile, is suitable for different plastic wrap sizes, and is magnetically absorbed for easy access and placement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electric preservative film cutter which comprises a base, a telescopic fixing device, a lead screw, a cutter holder and a motor assembly, the base is provided with a containing space, and the containing space is provided with a film outlet. The telescopic fixing device is used for containing a preservative film and located in the containing space, and the lead screw is located in the containing space and adjacent to the film outlet. The cutter holder is provided with a cutter and a holder body, the cutter holder is arranged on the holder body and crosses over the film outlet, the holder body is used for the screw rod to spirally penetrate through, and the holder body is arranged on the base in a sliding mode and limited to be incapable of rotating, and the motor assembly is provided with a motor and a transmission gear set. The motor provides rotating power and drives the lead screw to rotate through the transmission gear set so as to drive the tool apron to move on the lead screw. Therefore, the cutter can cut the preservative film at the film outlet.
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Description

Technical Field

[0001] The utility model relates to an electric cutting device for plastic wrap. Background Art

[0002] Plastic wrap is used to cover fresh food ingredients or cooked food to isolate dust and bacteria, prevent contamination by insects such as flies and cockroaches, and can effectively extend the shelf life.

[0003] Most of the existing plastic wraps are used as follows: The plastic wrap is wound into a winding body and stored in a storage box. The storage box is provided with a plastic wrap outlet and a blade. After pulling out the plastic wrap from the outlet, the storage box can be rotated to use the blade to cut the plastic wrap. However, this structure requires quite a lot of skills to use the blade to cut the plastic wrap, which will cause trouble in use for those who are not familiar with the operation method. Moreover, the storage box with a built-in blade is for single use, which is very unfriendly to environmental protection.

[0004] There is also an environmentally friendly plastic wrap that is easy to tear, disclosed in Chinese Patent Document CN218114519U. By installing a cutting device and operating a control button, automatic cutting of the plastic wrap can be achieved. However, this device is bulky and occupies a large position on the table. Moreover, when the plastic wrap is not used for a long time, the mechanism needs to be adjusted to take the plastic wrap into the device for dust prevention. Content of the Utility Model

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art and provide an electric cutting device for plastic wrap, so as to increase the convenience in use and be reusable to fulfill the environmental protection responsibility.

[0006] The technical solution adopted by the utility model to solve its technical problems is:

[0007] An electric cutting device for plastic wrap, for installing a cylindrical plastic wrap, the plastic wrap having a hollow hole, comprising:

[0008] A base, the base having a receiving space, the receiving space having a film outlet;

[0009] A telescopic fixing device, the telescopic fixing device having a first side plug seat, a second side plug seat and a connecting rod. The first side plug seat and the second side plug seat are respectively stuffed and fixed at two ends of the hollow hole of the plastic wrap, and the first side plug seat and the second side plug seat are fixed on the base and located in the receiving space. The connecting rod connects and fixes the first side plug seat and the second side plug seat;

[0010] A lead screw, the lead screw being fixed on the base and located in the receiving space, and adjacent to the film outlet;

[0011] A tool holder, which has a tool and a seat body. The tool is mounted on the seat body and horizontally spans across the film outlet. The seat body is penetrated by the lead screw in a spiral manner, and the seat body is slidably disposed on the base and restricted from rotating. And

[0012] An electric motor assembly, which is disposed on the first side plug seat. The electric motor assembly has a motor and a transmission gear set. The transmission gear set connects the motor and the lead screw. The motor provides a rotational power and drives the lead screw to rotate through the transmission gear set, thereby driving the tool holder to move on the lead screw.

[0013] In another preferred embodiment, it further includes an upper cover, a decorative plate cover, a first side cover and a second side cover that are mounted on the base and cover the accommodating space. And the film outlet is disposed below the decorative plate cover. The first side cover covers the first side plug seat, and the first side cover covers the second side plug seat.

[0014] In another preferred embodiment, it further includes a power button for controlling the operation of the motor. The decorative plate cover is further provided with a power opening for exposing the power button.

[0015] In another preferred embodiment, the electric motor assembly further includes a controller. The power button supplies a voltage to the motor through the controller. When the power button is triggered, the controller makes the voltage drive the motor to operate. And when the controller detects that the load is too large, it stops the supply of the voltage and reverses the positive and negative poles of the voltage.

[0016] In another preferred embodiment, the electric motor assembly further includes a controller. The power button supplies a voltage to the motor through the controller. When the power button is triggered, the controller makes the voltage drive the motor to operate. When the power button is triggered again, the controller reverses the positive and negative poles of the voltage to drive the motor to reverse. And when the controller detects that the load is too large, it stops the supply of the voltage.

[0017] In another preferred embodiment, the lead screw is fixed to the base through a flat plate.

[0018] In another preferred embodiment, it further has a battery box, and the battery box is connected to the first side plug seat.

[0019] In another preferred embodiment, the battery box is placed into the hollow hole.

[0020] In another preferred embodiment, the tool includes a left blade, a right blade, a tool holder, a clamping piece and a fixing sleeve. The left blade and the right blade are mounted on the tool holder back to back, and the clamping piece is passed through the left blade and the right blade and buckled on the tool holder. One end of the tool holder and the clamping piece is inserted and fixed on the seat body together, and the other end of the tool holder and the clamping piece covers the fixing sleeve.

[0021] In another preferred embodiment, a magnetic strip is provided on the outer side of the base.

[0022] In another preferred embodiment, a notch for disassembling and assembling the tool and a cover for the notch are provided at one end of the lead screw on the base. By removing the cover, the tool can be taken out through the notch for replacement or repair.

[0023] Based on the above structure, when the motor drives the lead screw to rotate, the tool holder will be driven to move on the lead screw. Since the tool straddles the film outlet, as long as the plastic wrap is pulled out from the film outlet, the tool can cut the plastic wrap at the film outlet, thus meeting the usage requirement of electrically cutting the plastic wrap.

[0024] The beneficial effects of the present utility model are as follows:

[0025] First, it is for electric cutting, without the requirement of operation skills, which can increase the convenience in use.

[0026] Second, except for the plastic wrap being a replaceable consumable, the rest of the components can be reused, which can fulfill the environmental protection responsibility.

[0027] Third, the tool has a double - blade design of the left blade and the right blade, and the plastic wrap can be cut in both bidirectional movements, which can save power consumption.

[0028] Fourth, it is small in volume, occupies little space, and is more convenient for handheld operation.

[0029] Fifth, it is not limited to the length and diameter of the plastic wrap and has universality.

[0030] Sixth, it can be magnetically absorbed and stored, which is convenient for taking and placing.

[0031] The following further describes the present utility model in detail with reference to the drawings and embodiments; however, an electric cutter for plastic wrap of the present utility model is not limited to the embodiments. Description of the Drawings

[0032] Figure 1 It is a schematic structural diagram of the present utility model.

[0033] Figure 2 It is an exploded schematic structural diagram of the present utility model.

[0034] Figure 3 It is an exploded schematic structural diagram of the tool of the present utility model.

[0035] Figure 4 It is a motor drive flow chart of the present utility model.

[0036] Figures 5A - 5B It is a schematic use diagram of the present utility model. Detailed Description of the Embodiment

[0037] For the embodiments, refer to Figures 1 to 5B As shown, an electric cutting device for plastic wrap of the present utility model is provided for installing a cylindrical plastic wrap 10. The plastic wrap 10 has a hollow hole 11. The electric cutting device for plastic wrap includes a base 20, a telescopic fixing device 30, a lead screw 40, a tool holder 50 and a motor assembly 60. Among them, the base 20 has a receiving space 21, and the receiving space 21 has a film outlet 22. In one embodiment, the present novelty further includes an upper cover 23, a decorative plate cover 24, a first side cover 25 and a second side cover 26. The upper cover 23, the decorative plate cover 24, the first side cover 25 and the second side cover 26 are installed on the base 20 and cover the receiving space 21, and the film outlet 22 is provided below the decorative plate cover 24.

[0038] A magnetic attraction strip 27 is provided on the outer side of the base 20. Due to the magnetic attraction strip 27, the electric cutting device for plastic wrap of the present novelty can be adsorbed on a refrigerator or other magnetizable plates.

[0039] The telescopic fixing device 30 has a first side plug seat 31, a second side plug seat 32 and a connecting rod 33. The first side plug seat 31 and the second side plug seat 32 are respectively stuffed and fixed at two ends of the hollow hole 11 of the plastic wrap 10, and the first side plug seat 31 and the second side plug seat 32 are fixed on the base 20 and located in the receiving space 21. The first side cover 25 covers the first side plug seat 31, the first side cover 25 covers the second side plug seat 32, and the connecting rod 33 joins and fixes the first side plug seat 31 and the second side plug seat 32. The telescopic fixing device 30 enables the length and inner cylinder diameter of the plastic wrap 10 to be unrestricted, and the present novelty has versatility.

[0040] The lead screw 40 is fixed on the base 20 and located in the receiving space 21, and is adjacent to the film outlet 22. In one embodiment, the lead screw 40 is fixed on the base 20 through a flat plate 41.

[0041] The tool holder 50 has a tool 51 and a seat body 52. The tool 51 is mounted on the seat body 52 and horizontally spans across the film outlet 22. The seat body 52 is provided for the lead screw 40 to pass through helically, and the seat body 52 slides on the base 20 and is restricted from rotating.

[0042] Please refer to again Figure 3As shown, the cutting tool 51 includes a left blade 511, a right blade 512, a tool holder 513, a clamping piece 514 and a fixing sleeve 515. The left blade 511 and the right blade 512 are installed back-to-back on the tool holder 513, and the clamping piece 514 passes through the left blade 511 and the right blade 512 and is clamped on the tool holder 513. One end of the tool holder 513 and the clamping piece 514 is inserted and fixed on the seat body 52 together, and the other end of the tool holder 513 and the clamping piece 514 covers the fixing sleeve 515. Thus, through the left blade 511 and the right blade 512, when the cutting tool 51 reciprocates on the seat body 52, it can cut in both directions and the cutting tool does not need to be reset.

[0043] The motor assembly 60 is disposed on the first side plug seat 31. The motor assembly 60 has a motor 61 and a transmission gear set 62. The transmission gear set 62 connects the motor 61 and the lead screw 40. The motor 61 provides a rotational power and drives the lead screw 40 to rotate through the transmission gear set 62 to drive the tool holder 50 to move on the lead screw 40.

[0044] In one embodiment, the present invention further has a battery box 70, and the battery box 70 is connected to the first side plug seat 31; preferably, the battery box 70 is placed in the hollow hole 11 for installing a battery.

[0045] In one embodiment, the present invention further includes a power button 80. The power button 80 controls the operation of the motor 61, and a power opening 241 is further provided on the decorative plate cover 24. The power opening 241 exposes the power button 80.

[0046] Please refer to Figure 4 As shown, in one embodiment, the motor assembly 60 further includes a controller 63. The battery box 70 supplies a voltage to the motor 61 through the controller 63. When the power button 80 is triggered, the controller 63 makes the voltage drive the motor 61 to operate. When the controller 63 detects that the load is too large, it stops supplying the voltage to stop the operation of the motor 61 and reverses the positive and negative poles of the voltage to change the rotation direction of the motor 61 during the next operation.

[0047] For facilitating retracting the tool and then advancing it again in special cases, the controller 63 can also be set as follows: each time the power button 80 is triggered, the controller 63 makes the voltage drive the motor 61 to operate. When the power button 80 is triggered again, the controller 63 reverses the positive and negative poles of the voltage to drive the motor to reverse. When the controller 63 detects that the load is too large, it stops supplying the voltage. That is, during the process of cutting the plastic wrap, if the plastic wrap is rolled up and not cut smoothly, trigger the power button 80 again to reverse the motor for retracting the tool. At a suitable position, trigger the power button 80 again to reverse the motor for advancing the tool to smoothly cut the plastic wrap.

[0048] Combined with Figure 1 、 Figure 2 and Figure 5A As shown, a notch 201 for disassembling and assembling the tool 51 and a cover 202 for the notch 201 are provided at one end of the base 20 where the lead screw 40 is located. By removing the cover 202, the tool 51 can be taken out through the notch 201 for replacement or repair.

[0049] Please refer to Figure 5A and Figure 5B As shown, when the motor 61 drives the lead screw 40 to rotate, the tool holder 50 will be driven to move on the lead screw 40. First, the tool holder 50 is located on one side of the film outlet 22 (such as Figure 5A ). At this time, the plastic wrap 10 is pulled out from the film outlet 22, and the power button 80 is triggered to start the motor 61. The tool holder 50 can then move from the film outlet 22 to the other side of the film outlet 22 to allow the tool 51 to cut the plastic wrap 10. When the tool holder 50 reaches the other side of the film outlet 22 (such as Figure 5B ), since it can no longer move forward, the controller 63 will detect that the motor 61 is overloaded and stop the operation of the motor 61. At the same time, the positive and negative poles of the voltage are reversed to change the rotation direction of the motor 61 during the next operation, preparing for the next cut.

[0050] The power button 80 is located in the middle of the entire cutter. Hold the middle of the cutter and press the power button 80 with the thumb of the hand for operation. This new type has the convenience of operation.

[0051] The above embodiments are only used to further illustrate an electric cutter for plastic wrap of the present utility model. However, the present utility model is not limited to the embodiments. Any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present utility model shall fall within the protection scope of the technical solution of the present utility model.

Claims

1. An electric cutter for plastic wrap, which is used to install a cylindrical plastic wrap with a hollow hole in it, and is characterized in that: It includes: A base which has a receiving space with a film outlet. A telescopic fixing device which has a first side plug seat, a second side plug seat and a connecting rod. The first side plug seat and the second side plug seat are respectively stuffed and fixed at two ends of the hollow hole of the plastic wrap, and the first side plug seat and the second side plug seat are fixed on the base and located in the receiving space. The connecting rod connects and fixes the first side plug seat and the second side plug seat. A lead screw which is fixed on the base and located in the receiving space and adjacent to the film outlet. A tool holder which has a tool and a body. The tool is mounted on the body and horizontally spans across the film outlet. The body is provided for the lead screw to pass through helically, and the body slides on the base and is restricted from rotating. And A motor assembly which is arranged on the first side plug seat. The motor assembly has a motor and a transmission gear set. The transmission gear set connects the motor and the lead screw. The motor provides a rotational power and drives the lead screw to rotate through the transmission gear set to drive the tool holder to move on the lead screw.

2. The electric cutting device for fresh-keeping film according to claim 1, wherein: It further includes an upper cover, a decorative plate cover, a first side cover and a second side cover which are mounted on the base and cover the receiving space. And the film outlet is arranged below the decorative plate cover. The first side cover covers the first side plug seat, and the second side cover covers the second side plug seat.

3. The electric cutting device for plastic wrap according to claim 2, wherein: It further includes a power button for controlling the operation of the motor. The decorative plate cover is further provided with a power opening for exposing the power button.

4. The electric cutter for cling film according to claim 3, wherein: The motor assembly further includes a controller. The power button supplies a voltage to the motor through the controller. When the power button is triggered, the controller makes the voltage drive the motor to operate. When the controller detects that the load is too large, it stops the supply of the voltage and reverses the positive and negative poles of the voltage.

5. The electric cutting device for plastic wrap according to claim 3, wherein: The motor assembly further includes a controller. The power button supplies a voltage to the motor through the controller. When the power button is triggered, the controller makes the voltage drive the motor to operate. When the power button is triggered again, the controller reverses the positive and negative poles of the voltage to drive the motor to reverse. When the controller detects that the load is too large, it stops the supply of the voltage.

6. The electric cutting device for plastic wrap according to claim 1, characterized in that: The lead screw is fixed on the base through a flat plate.

7. The electric cutter for plastic wrap according to claim 1, wherein: It further has a battery box which is connected to the first side plug seat.

8. The electric cutting device for the fresh-keeping film according to claim 7, wherein: The battery box is placed into the hollow hole.

9. The electric cutter for plastic wrap according to claim 1, wherein: The tool includes a left blade, a right blade, a tool holder, a clamping piece and a fixing sleeve. The left blade and the right blade are mounted back to back on the tool holder, and the clamping piece passes through the left blade and the right blade and is buckled on the tool holder. One end of the tool holder and the clamping piece is inserted and fixed on the body together, and the other end of the tool holder and the clamping piece covers the fixing sleeve.

10. The electric cutting device for plastic wrap as described in claim 1, wherein: Magnetic strips are arranged on the outer side of the base.

11. The electric cutter for plastic wrap according to claim 1, wherein: At one end of the lead screw on the base, there is a notch for disassembling and assembling the tool and a cover for the notch. By removing the cover, the tool can be taken out through the notch for replacement or repair.

Citation Information

Patent Citations

  • Environment-friendly preservative film convenient to tear

    CN218114519U