Transparent packing tape cutting device

By concealing the blade within the housing and using a pressing mechanism to extend it, the safety hazards and cutting performance issues of transparent sealing tape cutting devices are resolved, resulting in improved safety and cutting performance.

CN223999921UActive Publication Date: 2026-03-17WUHAN YOUFA PACKAGING TECH CO LTD
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Patent Information

Application Number
CN202520868050.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-30
Publication Date
2026-03-17
Estimated Expiration
2035-04-30

AI Technical Summary

Technical Problem

Existing transparent packing tape cutting devices pose safety hazards during use, and the cutting edge is easily exposed, damaged, or contaminated with impurities, affecting cutting performance.

Method used

Design a transparent carton sealing tape cutting device, wherein the blade is hidden inside the housing in the normal state and only protrudes when the pressing plate is pressed. The pressing structure drives the blade to extend from the notch and is reset by the return spring, ensuring that the blade is not exposed when not in use, preventing accidental contact and damage. At the same time, the housing and sleeve structure are set to stabilize the movement of the blade.

Benefits of technology

It avoids the safety hazard of users accidentally touching the cutting edge, protects the user's safety, prevents the blade from being damaged and contaminated with impurities, extends the blade's lifespan, and maintains its cutting performance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223999921U_ABST
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Abstract

The utility model discloses a transparent packing tape cutting device which comprises a shell. The bottom of the shell is provided with a lower notch for the fixing base and the blade to stretch out. The pressing structure is used for driving the fixed seat and the blade to extend out of the lower notch; the pressing structure comprises a pressing plate and connecting rods which are arranged at the top of the shell, the connecting rods are symmetrically arranged at the lower ends of the two sides of the pressing plate, connecting blocks are arranged at the two ends of the top of the fixing base, circular protruding blocks are arranged at the ends of the connecting blocks, and the lower ends of the connecting rods are slidably inserted into the top of the shell and fixedly connected to the centers of the tops of the protruding blocks; and the fixed seat and the blade extend out of the lower notch after being pressed by the pressing plate and are reset by the reset spring to retract into the inner cavity of the shell. In a normal state, the blade is hidden in the shell, and the blade extends out of the lower notch only when the pressing plate is pressed, so that fingers of a user do not touch the cutting edge by mistake when the cutting device is not used, potential safety hazards are avoided, and the safety of the user is guaranteed.
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Description

Technical Field

[0001] This utility model relates to the technical field of tape cutting equipment, specifically a transparent sealing tape cutting device. Background Technology

[0002] Packaging tape is a type of tape made with BOPP film as the base material and coated with pressure-sensitive adhesive. It is usually transparent, but there are also colored types or types printed with patterns and text. It has good adhesion, tensile strength, and water resistance. It is mainly used to seal various cartons, packaging boxes, etc., to fix and seal them, effectively preventing the contents from scattering. It is widely used in logistics, warehousing, packaging and other industries, as well as in daily life.

[0003] In daily packaging operations, transparent sealing tape is a commonly used packaging material. For scenarios where tape is frequently used for packaging, such as logistics warehouses and e-commerce shipping points, existing cutting methods often use tools such as craft knives or scissors. During the cutting process, the user's fingers can easily touch the cutting edge, posing a safety hazard. At the same time, the lack of a protective structure also means that when the cutting device is not in use, the cutting edge is easily exposed to the outside world, which may be damaged by collisions with external objects, and it is also easy to get dust, oil and other impurities, affecting the cutting performance. Therefore, we need to propose a transparent sealing tape cutting device. Utility Model Content

[0004] The purpose of this utility model is to provide a transparent sealing tape cutting device. Under normal conditions, the blade is hidden inside the outer shell. The blade will only protrude from the lower notch when the pressing plate is pressed, so that the user's fingers will not accidentally touch the cutting edge when the cutting device is not in use, thus avoiding safety hazards and ensuring the safety of the user, thereby solving the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A transparent packing tape cutting device, comprising:

[0007] shell;

[0008] The outer shell has an upper notch for the user's fingers to grip, and a fixing seat is provided inside the outer shell. The blade is fixed in the fixing seat by fixing screws. The bottom of the outer shell has a lower notch for the fixing seat and the blade to protrude.

[0009] It also includes a pressing structure for driving the retainer and the blade to protrude from the lower notch;

[0010] The pressing structure includes a pressing plate and a connecting rod on the top of the outer shell. The connecting rod is symmetrically arranged on both sides of the lower end of the pressing plate. Both ends of the top of the fixing seat are provided with connecting blocks. The end of the connecting block is provided with a circular protrusion. The lower end of the connecting rod is slidably inserted into the top of the outer shell and fixedly connected to the top center of the protrusion. After the fixing seat and the blade are pressed by the pressing plate, they protrude from the lower notch and are reset and retracted into the inner cavity of the outer shell by the return spring.

[0011] Preferably, sleeves are provided on both sides of the inner cavity of the outer shell, and a sliding groove is provided on one side of the sleeve for the connecting block to pass through and slide up and down.

[0012] Preferably, the sleeve is circular in design, with a circular protrusion located in the inner cavity of the sleeve and slidingly engaged with the inner wall of the sleeve, and the connecting rod is also slidably inserted into the top of the sleeve.

[0013] Preferably, a return spring is provided in the inner cavity of the sleeve between the protrusion and the inner bottom of the sleeve, and a positioning block is provided at the bottom center of the protrusion and the inner bottom center of the sleeve for positioning the upper and lower ends of the return spring.

[0014] Preferably, the bottom of the mounting base is provided with a slot, and the blade is inserted into the inside of the slot.

[0015] Preferably, the blade is symmetrically provided with two sets of first through holes, and the fixing seat is provided with second through holes on both sides corresponding to the first through holes. The fixing screw passes through the first through holes and the second through holes and is locked by the nut to fix the blade on the fixing seat.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. This utility model encloses the blade in a shell. Under normal conditions, the blade is hidden inside the shell. The blade will only protrude from the lower notch when the pressing plate is pressed, so that the user's fingers will not accidentally touch the cutting edge when the cutting device is not in use, thus avoiding safety hazards and ensuring the safety of the user.

[0018] 2. When not in use, the blade is hidden inside the casing, which effectively prevents damage from external objects and also avoids dust, oil, and other impurities from contaminating the blade, ensuring its sharpness and cutting performance and extending its service life. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the outer shell of this utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the fixing base of this utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the sleeve of this utility model.

[0023] In the diagram: 1. Outer shell; 2. Upper notch; 3. Pressing plate; 4. Fixing base; 5. Blade; 6. Lower notch; 7. Connecting rod; 8. Connecting block; 9. Protrusion; 10. Sleeve; 11. Return spring; 12. Positioning block; 13. Slide groove; 14. Slot; 15. First through hole; 16. Second through hole. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-4 This utility model provides a technical solution:

[0026] A transparent packing tape cutting device, comprising:

[0027] Outer shell 1; an upper notch 2 is provided on the outer shell 1 for the user's fingers to grip, a fixing seat 4 is provided inside the outer shell 1, and a blade 5 is fixed inside the fixing seat 4 by fixing screws, and a lower notch 6 is provided at the bottom of the outer shell 1 for the fixing seat 4 and the blade 5 to protrude.

[0028] It also includes a pressing structure for driving the fixing seat 4 and the blade 5 to protrude from the lower notch 6; the pressing structure includes a pressing plate 3 and a connecting rod 7 set on the top of the housing 1. The connecting rod 7 is symmetrically arranged on both sides of the lower end of the pressing plate 3. The top two ends of the fixing seat 4 are provided with connecting blocks 8. The end of the connecting block 8 is provided with a circular protrusion 9. The lower end of the connecting rod 7 is slidably inserted into the top of the housing 1 and fixedly connected to the top center of the protrusion 9. After the fixing seat 4 and the blade 5 are pressed by the pressing plate 3, they protrude from the lower notch 6 and are reset and retracted into the inner cavity of the housing 1 by the return spring 11. Sleeves 10 are provided on both sides of the inner cavity of the housing 1. A sliding groove 13 is opened on one side of the sleeve 10, and the sliding groove 13 allows the connecting block 8 to pass through and slide up and down. The sleeve 10 is circular in design. The circular protrusion 9 is located in the inner cavity of the sleeve 10 and slides with the inner wall of the sleeve 10. The connecting rod 7 is also slidably inserted into the top of the sleeve 10. A return spring 11 is provided in the inner cavity of the sleeve 10 between the protrusion 9 and the inner bottom of the sleeve 10. A positioning block 12 is provided at the bottom center of the protrusion 9 and the inner bottom center of the sleeve 10 to position the upper and lower ends of the return spring 11.

[0029] In use, the user grips the upper notch 2 and presses the pressure plate 3 with their palm. The pressure plate 3 is connected to the fixed base 4 via the connecting rod 7. The user only needs to press the pressure plate 3 to drive the fixed base 4 and the blade 5 to extend out from the lower notch 6 for cutting, making the operation simple and convenient. Moreover, the reset spring 11 allows the fixed base 4 and the blade 5 to automatically retract into the inner cavity of the outer shell 1 after cutting, eliminating the need for additional operation and improving work efficiency.

[0030] The design of components such as sleeve 10, slide groove 13, and positioning block 12 makes the fixed seat 4 more stable during up-and-down movement. The connecting block 8 slides up and down in the slide groove 13, the protrusion 9 slides and engages with the inner wall in the sleeve 10, and the two ends of the return spring 11 are positioned by the positioning block 12, which ensures the stability and accuracy of the fixed seat 4 and the blade 5 during movement, and ensures that the cutting device can work reliably for a long time.

[0031] The upper notch 2 on the outer shell 1 makes it easy for users to grip with their fingers, conforms to ergonomic design, makes it more comfortable and convenient for users to operate the cutting device, reduces hand fatigue, and improves the user experience.

[0032] In summary, this utility model encloses the blade 5 within the outer casing 1. Under normal conditions, the blade 5 is hidden inside the outer casing 1. Only when the pressing plate 3 is pressed will the blade 5 protrude from the lower notch 6, preventing the user's fingers from accidentally touching the cutting edge when the cutting device is not in use, thus avoiding safety hazards and ensuring user safety. When not in use, the blade 5 is hidden inside the outer casing 1, which can effectively prevent damage to the blade 5 from collisions with external objects. It also prevents dust, oil, and other impurities from contaminating the blade 5, ensuring the sharpness and cutting performance of the blade 5 and extending its service life.

[0033] Please see Figure 3 :

[0034] The bottom of the mounting base 4 is provided with a slot 14, and the blade 5 is inserted into the slot 14. Two sets of first through holes 15 are symmetrically arranged on the blade 5. The mounting base 4 has second through holes 16 on both sides corresponding to the first through holes 15. The fixing screw passes through the first through holes 15 and the second through holes 16 and is locked by a nut to fix the blade 5 on the mounting base 4.

[0035] The blade 5 is inserted into the slot 14 at the bottom of the mounting base 4. The first through hole 15 on the blade 5 is aligned with the second through holes 16 on both sides of the mounting base 4. Then, the fixing screw passes through these through holes and is tightened with a nut to firmly fix the blade 5 to the mounting base 4.

[0036] This mounting structure facilitates the installation and replacement of the blade 5. When the blade 5 is worn and needs to be replaced, the user presses the pressing plate 3, causing the fixing seat 4 and the blade 5 to protrude from the lower notch 6. At this time, simply unscrew the nut and fixing screw to easily remove the old blade 5 and insert the new blade 5 for fixing. After installation, release the pressing plate 3, and the fixing seat 4 and the blade 5 will retract into the outer shell 1. The maintenance operation is simple and facilitates the installation and replacement of the blade 5.

[0037] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A transparent box sealing tape cutting device characterized by, Include: The shell (1); The upper notch (2) is arranged on the shell (1) for the user to hold the fingers, the inside of the shell (1) is provided with a fixed seat (4), the fixed seat (4) is fixed with a blade (5) through a fixed screw, and the bottom of the shell (1) is provided with a lower notch (6) for the fixed seat (4) and the blade (5) to protrude; It also includes a pressing structure for driving the fixed seat (4) and the blade (5) to protrude from the lower notch (6); The pressing structure includes a pressing plate (3) arranged at the top of the shell (1) and a connecting rod (7), the connecting rod (7) is symmetrically arranged at the lower end of both sides of the pressing plate (3), the top of both ends of the fixed seat (4) is provided with a connecting block (8), the end of the connecting block (8) is provided with a round protrusion (9), the lower end of the connecting rod (7) is slidingly inserted into the top of the shell (1) and fixedly connected to the top center of the protrusion (9), the fixed seat (4) and the blade (5) are pressed by the pressing plate (3) and protrude from the lower notch (6) and are reset to retract into the inner cavity of the shell (1) by the reset spring (11).

2. The transparent envelope tape cutting device according to claim 1, wherein: The inner cavity of the shell (1) is provided with a sleeve (10) on both sides, the sleeve (10) is provided with a sliding groove (13) on one side, and the sliding groove (13) is provided with a connecting block (8) and slides up and down.

3. The transparent envelope tape cutting device according to claim 2, wherein: The sleeve (10) is designed in a circular shape, the round protrusion (9) is located in the inner cavity of the sleeve (10) and slides with the inner wall of the sleeve (10), and the connecting rod (7) is also slidingly inserted into the top of the sleeve (10).

4. The transparent envelope tape cutting device according to claim 3, wherein: The reset spring (11) is arranged between the protrusion (9) and the inner bottom of the sleeve (10), and the bottom center of the protrusion (9) and the inner bottom center of the sleeve (10) are provided with a positioning block (12) for positioning the upper and lower ends of the reset spring (11).

5. The transparent envelope tape cutting device according to claim 1, wherein: The bottom of the fixed seat (4) is provided with a slot (14), and the blade (5) is inserted into the inside of the slot (14).

6. The transparent envelope tape cutting device according to claim 5, wherein: The blade (5) is symmetrically provided with two groups of first through holes (15), the two sides of the fixed seat (4) are provided with second through holes (16) corresponding to the first through holes (15), and the fixed screw is locked by the nut after passing through the first through hole (15) and the second through hole (16) to fix the blade (5) on the fixed seat (4).