Art knife capable of automatically storing blades
By designing spare bins and loading bins in utility knifes, combining the holding components and drive components, self-storage and quick replacement of the blades are achieved, solving the problem of inconvenient blade replacement in the prior art and improving cutting operation efficiency.
Patent Information
- Application Number
- CN202420759331.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-04-12
AI Technical Summary
The existing utility knife can easily cause the blade to scatter when replacing the blade, which is inconvenient to operate and affects the efficiency of cutting operations.
A self-storage blade is designed, including a spare case and a load case. By maintaining the cooperation of components and drive components, the blade can be quickly replaced and stored, avoiding the use of additional tool boxes.
It provides self-storage function of blades, reducing the complexity and scattering risks of replacing blades, and improving the efficiency of cutting operations for operators.
Smart Images

Figure CN222308919U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of knives, in particular to a utility knife with a self-storing blade. Background Art
[0002] At present, in order to facilitate operators to cut objects, corresponding utility knives are often used. Such utility knives generally include a handle and a blade detachably mounted on the handle. After a period of use, when the blade is excessively worn or damaged, a new blade needs to be replaced on the handle.
[0003] In the prior art, blades are usually stored in an additional knife box or other container. When the blade needs to be replaced, the knife box needs to be opened first, the blade needs to be taken out, and then installed on the handle, and the knife box needs to be snapped back. However, during the above-mentioned blade replacement operation, the blade is easily scattered, and it is not convenient to replace, which greatly affects the cutting efficiency of the operator. Utility Model Content
[0004] In view of this, in order to solve the above-mentioned problems, the purpose of the utility model is to provide a utility knife with self-storing blades, comprising: a gripping body, a side shell, a retaining assembly and at least one blade, the gripping body being provided with a spare bin and a loading bin, the side shell being openably arranged on the gripping body, the side shell being used to open or close the spare bin and the loading bin, one end of the gripping body being provided with a blade exit opening, the retaining assembly being movably arranged in the gripping body, the retaining assembly being used to drive the blade to movably pass through the blade exit opening, the blade being accommodated in the spare bin and / or the loading bin and / or the retaining assembly.
[0005] In another preferred embodiment, the retaining assembly is further used to obtain one of the blades in the loading bin and drive the movement of the blade.
[0006] In another preferred embodiment, it further comprises: a driving component, wherein a moving opening is provided on the holding body, the driving component passes through the moving opening and is connected to the holding component, and the driving component is used to drive the movement of the holding component.
[0007] In another preferred embodiment, it further includes: a first locking component, wherein the first locking component is disposed on the holding body, and the first locking component is used to lock or release the side shell.
[0008] In another preferred embodiment, it further comprises: a second locking assembly, wherein the second locking assembly is arranged on the holding body, and the second locking assembly is at least used to control the holding assembly to release the blade.
[0009] In another preferred embodiment, the retaining assembly includes: a tool holder and a positioning device, the tool holder is movably disposed in the holding body, a mounting groove is provided on the tool holder, an inner contour of the mounting groove matches an outer contour of one of the blades, the positioning device is disposed on the tool holder, a coupling portion is provided on the blade, and the positioning device matches the coupling portion.
[0010] In another preferred embodiment, it further comprises: an elastomer, wherein the elastomer is disposed on the inner side of the side shell body, and the elastomer is disposed against the blade in the loading bin.
[0011] In another preferred embodiment, a socket is disposed on the inner side of the side shell, and the socket is movably extended into the spare compartment, and the socket is used to accommodate the blade.
[0012] In another preferred embodiment, a notch is provided on the grip body, and the blade on the retaining assembly is partially exposed at the notch.
[0013] In another preferred embodiment, it further comprises: a pry bar, wherein the pry bar is arranged on the holding body, and one end of the pry bar is arranged to protrude from the outer edge of the holding body.
[0014] Due to the adoption of the above technical solution, the utility model has the following positive effects compared with the prior art:
[0015] Through the application of the utility model, a utility knife is provided which can store blades by itself, so that the operator does not need to carry an additional tool box, and a large number of blades can be accommodated at one time through the provision of a spare bin and a loading bin, and the blades can be quickly replaced with the cooperation of the retaining component and the loading bin; the utility knife structure is easy to use, has a good storage effect on the blades, and is conducive to the operator to perform efficient cutting operations. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a first overall schematic diagram of a utility knife with a self-storing blade according to the utility model;
[0017] Figure 2 A second overall schematic diagram of a utility knife with a self-storing blade according to the utility model;
[0018] Figure 3 A first schematic diagram of a utility knife with self-storing blades according to the utility model with a side housing opened;
[0019] Figure 4 A second schematic diagram of a utility knife with a self-storing blade according to the utility model with a side housing opened;
[0020] Figure 5 It is a first partial schematic diagram of a utility knife with a self-storing blade according to the utility model;
[0021] Figure 6 This is a second partial schematic diagram of a utility knife with a self-storing blade according to the utility model.
[0022] In the attached figure:
[0023] 1. Holding body; 2. Side shell; 3. Holding component; 4. Blade; 5. Spare compartment; 6. Loading compartment; 7. Knife outlet; 8. Driving component; 9. Moving port; 10. Button; 11. Matching groove; 12. Raised block; 13. Positioning groove; 14. First locking component; 15. Trigger part; 16. Lock body; 17. Lock buckle; 18. Locking port; 19. Guide seat; 20. Trigger block; 21. Spring; 22. Second locking component; 23. Fixing member; 24. Pressing member; 25. Knife holder; 26. Positioning device; 27. Mounting groove; 28. Engaging part; 29. Base; 30. Elastic part; 31. Positioning block; 32. Elastic body; 33. Socket; 34. Rotating shaft structure; 35. Notch; 36. Pry bar; 37. Elastic component. DETAILED DESCRIPTION
[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.
[0025] like Figures 1 to 4 As shown, a preferred embodiment of a utility knife with a self-storing blade is shown, comprising: a gripping body 1, a side shell 2, a retaining assembly 3 and at least one blade 4, a spare bin 5 and a loading bin 6 are provided on the gripping body 1, the side shell 2 is openably provided on the gripping body 1, the side shell 2 is used to open or close the spare bin 5 and the loading bin 6, one end of the gripping body 1 has a blade outlet 7, the retaining assembly 3 is movably provided in the gripping body 1, the retaining assembly 3 is used to drive the blade 4 to movably pass through the blade outlet 7, the blade 4 is accommodated in the spare bin 5 and / or the loading bin 6 and / or the retaining assembly 3. Furthermore, a grip structure is formed by the gripping body 1 and the side shell 2 together, which is convenient for the operator to hold. When the blade 4 needs to be replaced, the spare bin 5 and the loading bin 6 can be opened by opening the side shell 2. The user can take and place the blade 4 in the spare bin 5 and / or the loading bin 6 and install it on the retaining assembly 3, and then the retaining assembly 3 can make the newly replaced blade 4 in a usable state; in a fully loaded state, the spare bin 5 and the loading bin 6 are both provided with a plurality of stacked blades 4, and at least one blade 4 is retained in the retaining assembly 3.
[0026] Further, as a preferred embodiment, the holding assembly 3 is also used to obtain a blade 4 in the loading bin 6 and drive the movement of the blade 4. Further, the holding assembly 3 is at least movable to a position facing the loading bin 6 so that the blade 4 in the loading bin 6 can be loaded into the holding assembly 3 and drive the loaded blade 4 to move; specifically, the internal space of the grip body 1 at least allows a portion of communication between the movement path of the holding assembly 3 and the loading bin 6, and the blade 4 can be transferred from the loading bin 6 to the holding assembly 3 through the communication portion, so that the operator only needs to remove the old blade 4, move the holding assembly 3 to the loading bin 6, and then drive the new blade 4 to move into the holding assembly 3 based on the gravity of the blade 4 itself or the driving force provided by the loading bin 6 or any other force that is easily realized in the grip body 1, thereby completing the replacement of the blade 4.
[0027] Furthermore, as a preferred embodiment, it further comprises: a driving assembly 8, a moving opening 9 is provided on the grip body 1, the driving assembly 8 passes through the moving opening 9 and is connected to the holding assembly 3, and the driving assembly 8 is used to drive the movement of the holding assembly 3. Furthermore, the holding assembly 3 can drive the blade 4 to move by the driving of the driving assembly 8, so as to adjust the position of the blade 4 relative to the blade outlet 7.
[0028] Further, as a preferred embodiment, the driving assembly 8 includes: a button 10 and an elastic member, a matching groove 11 is provided on the holding assembly 3, one end of the button 10 is pressably arranged in the matching groove 11 through the elastic member, the other end of the button 10 passes through the moving opening 9 and is arranged outside the holding body 1, and a protrusion 12 is formed radially outward at one end of the button 10, and the protrusion 12 can be movably contacted with the moving opening 9 to form a movement limit for the holding assembly 3. Further, under the action of the elastic member, when the button 10 is not subjected to additional external force, it is tightly pressed against the moving opening 9, preferably at least capable of limiting the holding assembly 3 from accidental movement; when an external force is applied, such as an operator pressing the button 10 along the elastic force direction of the elastic member with a finger and pushing the button 10 along the moving opening 9, the protrusion 12 will be separated from the moving opening 9, and the button 10 will drive the movement of the holding assembly 3 through the matching groove 11.
[0029] Further, as a preferred embodiment, the matching groove 11 has a movement guide for the button 10 .
[0030] Further, as a preferred embodiment, the moving opening 9 is extended along the moving direction of the blade 4 .
[0031] Further, as a preferred embodiment, a plurality of positioning grooves 13 are sequentially arranged on the inner side of the moving opening 9 along the length direction, and the protruding block 12 can be operatively aligned with any of the positioning grooves 13 under the movement of the button 10, and is clamped in the positioning groove 13 under the action of the elastic member. Further, the length of the blade 4 extending out of the cutting edge 7 can be adjusted by clamping the protruding block 12 against different positioning grooves 13 at the moving opening 9.
[0032] Furthermore, as a preferred embodiment, the extension direction of the positioning groove 13 is perpendicular to the length direction of the moving opening 9, which is at least used to provide the protrusion block 12 with a limiting ability along the direction of the moving opening 9 and to ensure that the protrusion block 12 is always kept on the inner side of the moving opening 9.
[0033] Further, as a preferred embodiment, the length of the above-mentioned extension of the blade edge 7 can be a positive value or a negative value; when it is a positive value, the blade 4 is on the outside of the blade edge 7; when it is a negative value, the blade 4 is partially or completely retracted to the inside of the blade edge 7.
[0034] Further, as a preferred embodiment, it further comprises: a first locking assembly 14, which is arranged on the grip body 1 and is used to lock or release the side housing 2. Further, the arrangement of the first locking assembly 14 can ensure that the side housing 2 can be stably closed on the grip body 1, and facilitates the operator to unlock the first locking assembly 14 so that the side housing 2 can be easily separated from the grip body 1 to be opened.
[0035] Further, as a preferred embodiment, the first locking assembly 14 includes: a trigger part 15 and a lock body 16, the trigger part 15 is arranged on the holding body 1, the lock body 16 is arranged on the side housing 2, the lock body 16 is movably arranged on the side housing 2, at least one lock buckle 17 is formed on the lock body 16, at least one lock port 18 is arranged on the holding body 1, the lock body 16 is movably locked or unlocked with the lock buckle 17 and the lock port 18, and the trigger part 15 is used to drive the movement of the lock body 16. Further, the trigger part 15 is a force application part that can be directly controlled by the operator, and the trigger part 15 transmits the force to the lock body 16, so that the lock body 16 moves in the side housing 2, thereby driving the lock buckle 17 to separate from the lock port 18.
[0036] Further, as a preferred embodiment, a guide channel for guiding the movement of the lock body 16 is provided in the side housing 2 .
[0037] Furthermore, as a preferred embodiment, a force-bearing member is disposed on the lock body 16 , and the force-bearing member is used to contact with the triggering portion 15 and transmit the force transmitted from the triggering portion 15 to the entire lock body 16 .
[0038] Furthermore, as a preferred embodiment, the moving direction of the trigger part 15 is preferably parallel to the length direction of the holding body 1; preferably, the operator can push the trigger part 15 in the direction close to the knife edge 7 so that the trigger part 15 pushes the force-bearing part of the lock body 16 to perform a corresponding unlocking action.
[0039] Further, as a preferred embodiment, the first locking assembly 14 further includes: an elastic component 37, the elastic component 37 is connected between the lock body 16 and the side housing 2, and the elastic component 37 is used to apply an elastic force so that the lock body 16 has a tendency to drive the lock buckle 17 to move toward the lock port 18. Further, the elastic component 37 is used to drive the lock body 16 to reset after being pushed by the trigger part 15, that is, when the lock body 16 moves in a direction close to the knife edge 7 to unlock, the entire side housing 2 is opened; at this time, the trigger part 15 is no longer facing the lock body 16, and the elastic component 37 drives the lock body 16 to return to the initial position.
[0040] Further, as a preferred embodiment, the triggering part 15 includes: a guide seat 19, a trigger block 20 and a spring 21, wherein the guide seat 19 is fixedly arranged on the holding body 1, the trigger block 20 is slidably arranged on the guide seat 19, and the spring 21 is connected between the guide seat 19 and the trigger block 20, and the spring 21 is at least used to provide an elastic force so that the trigger block 20 has a tendency to move away from the lock body 16. Further, the guide seat 19 is used to guide the movement of the trigger block 20, and at least guides the trigger block 20 to move only in the length direction of the holding body 1, and at least limits the trigger block 20 from moving in the width direction and thickness direction of the holding body 1, and the spring 21 is used to provide the reset of the trigger block 20 after being pushed, and one end of the trigger block 20 is a force transmission part in contact with the force receiving member.
[0041] Further, as a preferred embodiment, it further comprises: a second locking component 22, which is arranged on the grip body 1, and the second locking component 22 is at least used to control the holding component 3 to release the blade 4. Further, the second locking component 22 is used for the operator to conveniently unlock the blade 4 on the holding component 3, so that the blade 4 is easy to take out and install.
[0042] Further, as a preferred embodiment, the second locking assembly 22 includes: a fixing member 23 and a pressing member 24, wherein the fixing member 23 is used to movably position one end of the pressing member 24 on the grip body 1, one side of the other end of the pressing member 24 is protruded outwardly from the surface of the grip body 1, and the other side of the other end of the pressing member 24 is used to directly or indirectly drive the blade 4 away from the holding assembly 3. Further, the fixing member 23 is used to provide a mounting base for one end of the pressing member 24, so that the pressing member 24 will not deviate from the designed position, and allows the movement of the pressing member 24, so that it can act on the holding assembly 3 and allow the blade 4 to be freely disengaged.
[0043] Further, as a preferred embodiment, one end of the pressing member 24 is rotatably disposed on the holding body 1 through the fixing member 23 .
[0044] Further, as a preferred embodiment, the holding assembly 3 includes: a blade holder 25 and a positioning device 26. The blade holder 25 is movably arranged in the holding body 1. The blade holder 25 is provided with a mounting groove 27. The inner contour of the mounting groove 27 matches only the outer contour of one blade 4. The positioning device 26 is arranged on the blade holder 25. The blade 4 is provided with a joint portion 28. The positioning device 26 matches the joint portion 28. Further, when the blade holder 25 moves to a position facing the loading chamber 6, if there is no blade 4 in the mounting groove 27, the blade 4 in the loading chamber 6 is allowed to move into the mounting groove 27, and the positioning device 26 will maintain the relative position between the blade 4 and the blade holder 25; if there is a blade 4 in the mounting groove 27 at this time, since the internal space of the mounting groove 27 allows and only allows one blade 4 to enter, the additional blade 4 will be against the outer side of the one blade 4 and continue to be accommodated in the loading chamber 6.
[0045] Further, as a preferred embodiment, the engaging portion 28 is provided in a notch, and the positioning device 26 has at least one positioning block 31, which is movably provided at the notch to form the above-mentioned matching. Further, the matching at least makes it impossible for the blade 4 to move relative to the blade holder 25 in the length direction and the width direction of the grip body 1, and it is only allowed to move in the thickness direction of the grip body 1, that is, the direction in which the mounting groove 27 is connected to the loading bin 6.
[0046] Further, as a preferred embodiment, the second locking assembly 22 is linked with the positioning device 26. Further, the second locking assembly 22 is used to drive the positioning device 26 to match and engage with the engaging portion 28 or to disengage the positioning device 26 from the engaging portion 28. Further, the pressing member 24 of the second locking assembly 22 is allowed to movably contact the positioning device 26 under the action of an external force, and exert a certain force to disengage the positioning block 31 of the positioning device 26 from the notch on the blade 4, thereby allowing the blade 4 to be removed from the direction close to the blade exit 7.
[0047] Further, as a preferred embodiment, the positioning device 26 includes: a base 29, an elastic portion 30 and a positioning block 31, the base 29 is fixedly arranged on the blade holder 25, the two ends of the elastic portion 30 are respectively connected to the positioning block 31 and the base 29, and the elastic portion 30 at least provides an elastic force so that the positioning block 31 has a tendency to move closer to the engaging portion 28. Further, when it is necessary to remove the blade 4, the pressing member 24 will overcome the elastic force of the elastic portion 30 so that the positioning block 31 moves away from the notch accordingly, thereby releasing the limit on the blade 4.
[0048] Further, as a preferred embodiment, the matching groove 11 is arranged on one side of the tool holder 25 , and the mounting groove 27 is arranged on the other side of the tool holder 25 .
[0049] Furthermore, as a preferred embodiment, it further comprises: an elastic body 32, which is arranged on the inner side of the side housing 2, and is arranged to abut against the blade 4 in the loading bin 6. Furthermore, through the arrangement of the elastic body 32, the blade 4 in the loading bin 6 can be kept in a certain compact state when the side housing 2 is not fully opened, and will not fall accidentally; correspondingly, when the first locking assembly 14 controls the side housing 2 to unlock, the side housing 2 will also be able to pop outward; on the other hand, during the process of replacing the blade 4, when the unloaded blade holder 25 moves to a position facing the loading bin 6, it will provide a certain force to push the new blade 4 into the installation slot 27.
[0050] Furthermore, as a preferred embodiment, the elastic body 32 is preferably a V-shaped elastic strip.
[0051] Further, as a preferred embodiment, a socket 33 is provided on the inner side of the side shell 2 , and the socket 33 can be movably extended into the spare compartment 5 , and the socket 33 is used to accommodate a plurality of blades 4 .
[0052] Furthermore, as a preferred embodiment, a constraint structure is provided in the loading bin 6, which is used to limit the blade 4 in the loading bin 6 from accidental movement in the length direction, and the constraint structure allows movement in the thickness direction. The allowed movement enables the blade 4 to be loaded in the loading bin 6 and enter the retaining assembly 3 from the loading bin 6.
[0053] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention.
[0054] The utility model also has the following implementation methods based on the above:
[0055] In a further embodiment of the present invention, the grip body 1 and the side housing 2 are rotatably connected via a rotating shaft structure 34 .
[0056] In a further embodiment of the present invention, when the side housing 2 is in a closed state, the blade 4 in the loading bin 6 and the blade 4 in the spare bin 5 are relatively vertical.
[0057] In a further embodiment of the present invention, a notch 35 is provided on the grip body 1, and the blade 4 on the holding assembly 3 is partially exposed at the notch 35. Furthermore, the partially exposed blade 4 at the notch 35 allows the operator to cut the rope more conveniently.
[0058] In a further embodiment of the present invention, the present invention further comprises: a pry bar 36 , which is disposed on the grip body 1 , and one end of the pry bar 36 is disposed protruding from the outer edge of the grip body 1 .
[0059] In a further embodiment of the present invention, one end of the pry bar 36 is provided with a thin structure.
[0060] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.
Claims
1. A utility knife with a self-storing blade, characterized in that: include: A gripping body, a side shell, a retaining assembly and at least one blade, the gripping body is provided with a spare bin and a loading bin, the side shell is openably provided on the gripping body, the side shell is used to open or close the spare bin and the loading bin, one end of the gripping body has a blade exit, the retaining assembly is movably provided in the gripping body, the retaining assembly is used to drive the blade to movably pass through the blade exit, the blade is accommodated in the spare bin and / or the loading bin and / or the retaining assembly.
2. The utility knife with a self-storing blade according to claim 1, characterized in that: The retaining assembly is also used to obtain one of the blades in the loading bin and drive the movement of the blade.
3. The utility knife with a self-storing blade according to claim 1, characterized in that: Also includes: A driving component, wherein a moving opening is provided on the holding body, the driving component passes through the moving opening and is connected to the holding component, and the driving component is used to drive the movement of the holding component.
4. The utility knife with a self-storing blade according to claim 1, characterized in that: Also includes: A first locking component is disposed on the holding body and is used to lock or release the side shell.
5. The utility knife with a self-storing blade according to claim 1, characterized in that: Also includes: A second locking component is disposed on the holding body, and the second locking component is at least used to control the retaining component to release the blade.
6. The utility knife with a self-storing blade according to claim 1, characterized in that: The retaining assembly includes: a knife holder and a positioning device, the knife holder is movably arranged in the holding body, a mounting groove is arranged on the knife holder, the inner contour of the mounting groove matches the outer contour of one of the blades, the positioning device is arranged on the knife holder, a coupling portion is arranged on the blade, and the positioning device matches the coupling portion.
7. The utility knife with a self-storing blade according to claim 1, characterized in that: Also includes: An elastic body is arranged on the inner side of the side shell body, and the elastic body is arranged to abut against the blade in the loading bin.
8. The utility knife with a self-storing blade according to claim 1, characterized in that: A socket is arranged on the inner side of the side shell body, and the socket is movably extended into the spare compartment, and the socket is used to accommodate the blade.
9. The utility knife with a self-storing blade according to claim 1, characterized in that: The grip body is provided with a notch, and the blade on the retaining assembly is partially exposed at the notch.
10. The utility knife with a self-storing blade according to claim 1, characterized in that: Also includes: A pry bar is arranged on the holding body, and one end of the pry bar protrudes from the outer edge of the holding body.