Novel butterfly knife
By designing a detachable and connected split structure and fastening bolts in the butterfly knife, the problem of carrying two knives during practice is solved, achieving portable and efficient exercises.
Patent Information
- Application Number
- CN202420218419.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-30
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-01-30
AI Technical Summary
The existing butterfly knife needs to carry two knives at the same time when practicing, which is very inconvenient.
A new butterfly knife is designed, which adopts the split configuration of the normal knife and the practice knife, and is removable with the tip and connection of the knife, making it easy to replace and install with the fastening bolts.
There is no need to carry two knives at the same time, which is easy to carry and replace, improving the efficiency of exercises.
Smart Images

Figure CN222644658U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of butterfly knives, in particular to a novel butterfly knife. Background Art
[0002] The butterfly knife is a kind of knife mainly used for daily play and various fancy operations. The butterfly knife has high requirements for lightness, beauty, handle material, stable structure and smooth rotation.
[0003] At present, in order to facilitate the practice of butterfly knives, butterfly knives are generally equipped with two knives. The practice knife is used during practice, and the normal knife is used for playing after the practice is completed. Therefore, it is necessary to carry two knives at the same time, which is very inconvenient. Utility Model Content
[0004] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:
[0005] A new butterfly knife includes two handles;
[0006] The handle is rotatably connected to the connection part, and the other end of the connection part is detachably connected to the blade part, and the other end of the blade part is detachably connected to the blade tip part;
[0007] The blade portion comprises a normal knife and a training knife, wherein the normal knife and the training knife are separately arranged, and two ends of the normal knife and the training knife are detachably connected to the knife tip portion and the connecting portion respectively.
[0008] Furthermore, both ends of the normal knife and the training knife are fixedly connected with a mounting plate, and a second fastening hole is opened on the mounting plate.
[0009] Furthermore, the blade tip portion includes a blade tip body, a fastening hole three is provided on the blade tip body, and a mounting groove two is symmetrically provided on the side surface of the blade tip body, the mounting groove two is connected to the fastening hole three, and the mounting plate is connected to the blade tip body through the mounting groove two.
[0010] Furthermore, the connecting part includes a connecting body, which is respectively provided with a connecting hole and a fastening hole, and a mounting groove is symmetrically provided on the side of the connecting body, the mounting groove is connected to the fastening hole, and the mounting plate is connected to the connecting body through the mounting groove.
[0011] Furthermore, fastening bolts are arranged inside the fastening hole one and the fastening hole three.
[0012] Furthermore, avoidance grooves are provided at the backs of the normal sword and the training sword.
[0013] Furthermore, the practice knife is provided with a bottle opening, and the bottle opening is arranged in the shape of an eagle's beak.
[0014] The utility model provides a novel butterfly knife, which has the following beneficial effects:
[0015] 1. In the utility model, the normal knife and the training knife are separately arranged and detachably connected with the knife tip and the connecting part, so it is convenient to replace the position of the normal knife and the training knife, and there is no need to carry two knives at the same time, which is convenient to carry.
[0016] 2. In the utility model, the fastening bolts are provided to facilitate the replacement of the training knife and the normal knife, thereby improving the replacement efficiency and the practice efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the overall structure of the new butterfly knife in the utility model;
[0018] Figure 2 This is a schematic diagram of the explosion structure of the new butterfly knife in the utility model;
[0019] Figure 3 It is a schematic diagram of the overall structure of a normal knife in the utility model;
[0020] Figure 4 It is a schematic diagram of the overall structure of the training knife in the utility model;
[0021] Figure 5 It is a schematic diagram of the overall structure of the knife tip in the utility model;
[0022] Figure 6 It is a schematic diagram of the overall structure of the connecting part in the utility model.
[0023] In the figure: 10-handle, 20-connecting part, 21-connecting plate, 22-connecting hole, 23-fastening hole one, 24-mounting groove one, 30-blade part, 31-normal knife, 32-mounting plate, 33-fastening hole two, 34-avoidance groove, 35-practice knife, 36-bottle opening, 40-tip part, 41-tip body, 42-mounting groove two, 43-fastening hole three, 50-fastening bolt. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0025] See also Figure 1-6 The utility model provides a technical solution:
[0026] A novel butterfly knife comprises two handles 10, wherein the handles 10 are rotatably connected to a connecting portion 20, and a blade portion 30 is detachably connected to the other end of the connecting portion 20, and the other end of the blade portion 30 is detachably connected to a blade tip portion 40;
[0027] The blade portion 30 includes a normal knife 31 and a training knife 35 . The normal knife 31 and the training knife 35 are separately provided, and two ends of the normal knife 31 and the training knife 35 are detachably connected to the knife tip portion 40 and the connecting portion 20 , respectively.
[0028] In the above, by the separate setting of the normal knife 31 and the training knife 35 and the detachable connection with the tip portion 40 and the connecting portion 20, it is convenient to replace the position of the normal knife 31 and the training knife 35 without carrying two knives at the same time, which is convenient for replacement and improves the efficiency of practice.
[0029] In this embodiment, Figure 3-4 As shown in the figure: both ends of the normal knife 31 and the training knife 35 are fixedly connected with a mounting plate 32, and a second fastening hole 33 is opened on the mounting plate 32.
[0030] In this embodiment, Figure 5 As shown in the figure: the blade tip portion 40 includes a blade tip body 41, a fastening hole three 43 is opened on the blade tip body 41, and a mounting groove two 42 is symmetrically opened on the side of the blade tip body 41, the mounting groove two 42 is connected with the fastening hole three 43, and the mounting plate 32 is connected with the blade tip body 41 through the mounting groove two 42, so that the fastening hole three 43 is coaxial with the fastening hole two 33, thereby facilitating the connection between the normal knife 31 and the training knife 35 and the blade tip body 41.
[0031] In this embodiment, Figure 6 As shown in: the connecting portion 20 includes a connecting body 21, on which a connecting hole 22 and a fastening hole 23 are respectively opened, and a mounting groove 24 is symmetrically opened on the side of the connecting body 21, and the mounting groove 24 is connected to the fastening hole 23, and the mounting plate 32 is connected to the connecting body 21 through the mounting groove 24, so that the fastening hole 23 and the fastening hole 23 are coaxial, thereby facilitating the connection between the normal knife 31 and the training knife 35 and the connecting body 21.
[0032] In this embodiment, Figure 1 As shown in the figure: the fastening bolts 50 are arranged inside the fastening hole 1 23 and the fastening hole 3 43. Specifically, the fastening bolts 50 include bolts and nuts. In this way, the normal knife 31 and the practice knife 35 are detachably connected to the connecting body 21 and the blade tip body 41 through the fastening bolts 50.
[0033] In this embodiment, Figure 3-4As shown in the figure: the normal knife 31 and the training knife 35 are both provided with an avoidance groove 34 at the back of the knife, and the blade parts of the normal knife 31 and the training knife 35 avoid each other through the avoidance groove 34, so as to avoid collision between the normal knife 31 and the training knife 35 after assembly, which affects the installation.
[0034] In this embodiment, Figure 4 As shown in : the training knife 35 is provided with a bottle opening 36 , and the bottle opening 36 is arranged in an eagle's beak shape, so that it is convenient to open the bottle opening, thereby improving the functionality of the training knife 35 .
[0035] Working principle: In this embodiment, when the practice knife 35 and the normal knife 31 need to be replaced, it is only necessary to remove the fastening bolt 50, and swap the positions of the practice knife 35 and the normal knife 31, and reinstall the fastening bolt 50 to re-tighten the practice knife 35 and the normal knife 31. There is no need to carry the practice knife 35 and the normal knife 31 at the same time, which is convenient for users to carry. At the same time, the fastening bolt 50 is set to facilitate the replacement of the practice knife 35 and the normal knife 31.
[0036] It should be noted that: a bearing and a mounting bolt (not shown in the figure) are arranged inside the middle connecting hole 22, which has been disclosed many times in the prior art and will not be described again here.
[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A new butterfly knife, characterized by: It comprises two knife handles (10); The knife handle (10) is rotatably connected to the connecting portion (20), and the other end of the connecting portion (20) is detachably connected to the blade portion (30), and the other end of the blade portion (30) is detachably connected to the blade tip portion (40); The blade portion (30) comprises a normal knife (31) and a training knife (35), wherein the normal knife (31) and the training knife (35) are separately arranged, and two ends of the normal knife (31) and the training knife (35) are detachably connected to the knife tip portion (40) and the connecting portion (20) respectively.
2. A new butterfly knife as claimed in claim 1, characterized in that: Both ends of the normal knife (31) and the training knife (35) are fixedly connected with a mounting plate (32), and a second fastening hole (33) is provided on the mounting plate (32).
3. A new butterfly knife as claimed in claim 2, characterized in that: The blade tip portion (40) comprises a blade tip body (41), a fastening hole three (43) is provided on the blade tip body (41), and a mounting groove two (42) is symmetrically provided on the side surface of the blade tip body (41), the mounting groove two (42) is connected to the fastening hole three (43), and the mounting plate (32) is connected to the blade tip body (41) via the mounting groove two (42).
4. A new butterfly knife as claimed in claim 3, characterized in that: The connecting portion (20) comprises a connecting body (21), the connecting body (21) is respectively provided with a connecting hole (22) and a fastening hole (23), and a mounting groove (24) is symmetrically provided on a side surface of the connecting body (21), the mounting groove (24) is communicated with the fastening hole (23), and the mounting plate (32) is connected to the connecting body (21) via the mounting groove (24).
5. A new butterfly knife as claimed in claim 4, characterized in that: The fastening hole one (23) and the fastening hole three (43) are provided with fastening bolts (50) inside.
6. A new butterfly knife as claimed in claim 1, characterized in that: The normal knife (31) and the training knife (35) are both provided with avoidance grooves (34) at the knife back positions.
7. A new butterfly knife as claimed in claim 1, characterized in that: The training knife (35) is provided with a bottle opening (36), and the bottle opening (36) is arranged in the shape of an eagle's beak.
Citation Information
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