A quick assembly folding knife
Patent Information
- Application Number
- CN202522635395.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-12
- Publication Date
- 2026-09-18
- Estimated Expiration
- 2035-12-12
AI Technical Summary
[0004]针对现有技术中存在的问题,本实用新型提出一种快速装配折刀,旨在解决传统折叠刀的枢轴装配麻烦,导致装配效率低的问题
[0014] Based on the above, by fixing the separately configured first baffle, second baffle and bushing together through post-processing, the existing separately configured first baffle, second baffle and bushing can be consumed, reducing inventory pressure.
Smart Images

Figure CN224765516U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cutting tool technology, and in particular to a quick-assembly folding knife. Background Technology
[0002] Folding knives, as a classic personal tool, are widely used in daily life, outdoor activities, and even certain professions due to their portability and secure storage. A folding knife mainly consists of a handle and a blade, which are hinged together by a pivot.
[0003] In existing technology, the pivot connecting the tool holder and the tool body includes a bushing and baffles on both sides of the bushing. The baffles and bushing are independent parts; that is, during assembly, the bushing must first be inserted into the connecting hole of the tool body, then the baffles are installed on both sides of the bushing, and finally, hinges are achieved by passing pins through the tool holder and the tool body in sequence. During the installation of the baffles on both sides of the bushing, the baffles need to be positioned. However, due to the small and thin nature of the baffles, accurate positioning during assembly is difficult, resulting in low assembly efficiency and a high risk of the baffles falling off during assembly, leading to product defects. Utility Model Content
[0004] In view of the problems existing in the prior art, this utility model proposes a quick assembly folding knife, which aims to solve the problem of cumbersome pivot assembly of traditional folding knives, resulting in low assembly efficiency.
[0005] The objective of this utility model is achieved through the following technical solution: a quick-assembly folding knife, comprising a handle and a blade body, wherein the handle and blade body are connected by a connecting assembly, the connecting assembly comprising a rotating shaft, a fixing screw, a first baffle, and a second baffle; at least one of the first and second baffles has a bushing on its side; the blade body has a connecting hole, the handle has a through hole, and one end of the rotating shaft has an internal threaded hole that mates with the fixing screw; and the height of the bushing is not less than the depth of the connecting hole; When assembling the tool holder onto the tool body, place the first and second stop plates on both sides of the connecting hole, and place the bushing in the connecting hole; the rotating shaft passes through the through hole, the first stop plate, the bushing, and the second stop plate in sequence; and lock it with the rotating shaft by using fixing screws.
[0006] Furthermore, the folding knife is a butterfly knife, the connecting components are in two sets, the handle includes a first handle and a second handle, the blade body is a butterfly knife body, the connecting holes include a first connecting hole and a second connecting hole, the through hole is provided at one end of the first handle and the second handle, the first handle is hinged to the first connecting hole through one set of the connecting components, and the second handle is hinged to the second connecting hole through another set of the connecting components.
[0007] Furthermore, the butterfly knife body is provided with locking grooves on both sides of one end, and locking posts that cooperate with the locking grooves are provided on the first and second handles.
[0008] Furthermore, the folding knife is a folding knife, there is one set of connecting components, the handle is a folding handle, the blade body is a folding blade body, the connecting hole is located at one end of the folding blade body, the through hole is located at one end of the folding handle, and the folding handle is hinged to the connecting hole through the connecting components.
[0009] Furthermore, one end of the folding knife is provided with a folding knife locking arc groove, and the folding knife handle is provided with a folding knife locking post that cooperates with the folding knife locking arc groove.
[0010] Furthermore, a first bushing is provided on one side of the first baffle, and a second bushing is provided on one side of the second baffle. The total height of the first bushing and the second bushing is not less than the depth of the connecting hole.
[0011] Furthermore, only the side of the first or second baffle is provided with a third bushing, and the height of the third bushing is not less than the depth of the connecting hole.
[0012] Furthermore, the first baffle and / or the second baffle are integrally formed with the bushing.
[0013] Furthermore, the first baffle, the second baffle, and the bushing are separate components, and are fixedly connected through subsequent processing.
[0014] Based on the above, by fixing the separately configured first baffle, second baffle and bushing together through post-processing, the existing separately configured first baffle, second baffle and bushing can be consumed, reducing inventory pressure.
[0015] Furthermore, the through hole is a T-shaped countersunk through hole. The T-shaped countersunk through hole allows for a better locking effect between the rotating shaft and the fixing screw on the tool holder.
[0016] In summary, the beneficial effects of this utility model are as follows: In the first and second baffles of this utility model, at least one baffle is provided with a bushing on its side, which reduces the assembly difficulty of the bushing and baffle during the installation process, enables more accurate and faster installation during the assembly process, improves production efficiency, and reduces the generation of defective products. Attached Figure Description
[0017] Figure 1 This is a three-dimensional structural diagram of the butterfly knife structure of this utility model in an exploded view. Figure 2 This is the front view of the butterfly knife structure of this utility model in an exploded view state; Figure 3This is a front view of the butterfly knife of this utility model; Figure 4 for Figure 3 A cross-sectional view along the AA direction; Figure 5 This is a three-dimensional structural diagram of the butterfly knife of this utility model; Figure 6 This is a three-dimensional structural diagram of the folding knife of this utility model; Figure 7 This is the front view of the folding knife structure of this utility model in an exploded view state; Figure 8 This is a three-dimensional structural diagram of the folding knife structure of this utility model in an exploded view. Figure 9 A schematic diagram of the connecting assembly when a third bushing is provided on the side of only the first baffle.
[0018] Explanation of reference numerals: 1 - Connecting component; 11 - Shaft; 111 - Internal threaded hole; 12 - Fixing screw; 13 - First baffle; 131 - First bushing; 14 - Second baffle; 141 - Second bushing; 15 - Third bushing; 2 - Butterfly knife; 21 - Butterfly knife body; 211 - First connecting hole; 212 - Second connecting hole; 221 - First handle; 222 - Second handle; 23 - Locking groove; 24 - Locking post; 3 - Folding knife; 31 - Folding knife handle; 32 - Folding knife body; 34 - Folding knife locking groove; 35 - Folding knife locking post; 4 - Connecting hole; 5 - Through hole. Detailed Implementation
[0019] The present invention will be further described in detail below with reference to the embodiments and accompanying drawings, but the implementation of the present invention is not limited thereto. Example 1
[0020] like Figures 1 to 5 As shown, a quick-assembly folding knife includes a handle and a blade body, which are connected by a connecting assembly 1. The connecting assembly 1 includes a pivot 11, a fixing screw 12, a first baffle 13, and a second baffle 14. The blade body has a connecting hole 4, and the handle has a through hole 5, which is a T-shaped countersunk through hole. One end of the pivot 11 has an internally threaded hole 111 that mates with the fixing screw 12. A first bushing 131 is provided on one side of the first baffle 13, and a second bushing 141 is provided on one side of the second baffle 14. The total height of the first bushing 131 and the second bushing 141 is not less than the depth of the connecting hole 4. The first baffle 13 and the first bushing 131 are integrally machined, and the second baffle 14 and the second bushing 141 are integrally machined.
[0021] When assembling the handle to the blade body, the first baffle 13 and the second baffle 14 are placed on both sides of the connecting hole 4, and the bushing is placed in the connecting hole 4; the rotating shaft 11 passes through the through hole 5, the first baffle 13, the first bushing 131, the second bushing 141, and the second baffle 14 in sequence, and is locked with the rotating shaft 11 by the fixing screw 12.
[0022] The folding knife is a butterfly knife 2. The connecting components 1 have two sets. The handle includes a first handle 221 and a second handle 222. The blade body is a butterfly blade body 21. The connecting holes 4 include a first connecting hole 211 and a second connecting hole 212. The through hole 5 is provided at one end of the first handle 221 and the second handle 222. Both the first handle 221 and the second handle 222 have butterfly blade storage slots on one side. The first handle 221 is hinged to the first connecting hole 211 through one set of the connecting components 1. The second handle 222 is hinged to the second connecting hole 212 through the other set of the connecting components 1.
[0023] The butterfly knife body 21 is provided with locking grooves 23 on both sides of one end, and locking posts 24 that cooperate with the locking grooves 23 are provided on the first handle 221 and the second handle 222. Example 2
[0024] The differences between this embodiment and Embodiment 1 are as follows; all other aspects are the same: like Figures 6 to 8 As shown, the folding knife is a folding knife 3, the connecting assembly 1 is a set, the handle is a folding handle 31, the blade body is a folding blade body 32, the connecting hole 4 is located at one end of the folding blade body 32, the through hole 5 is located at one end of the folding handle 31, and the folding handle 31 is hinged to the connecting hole 4 through the connecting assembly 1. The folding handle 31 is provided with a folding knife storage groove, and one end of the folding knife 3 is also provided with a folding knife locking arc groove 34. The folding handle 31 is provided with a folding knife locking post 35 that cooperates with the folding knife locking arc groove 34. Example 3
[0025] The differences between this embodiment and Embodiment 1 are as follows; all other aspects are the same: like Figure 9 As shown, only the side of the first baffle 13 or the second baffle 14 is provided with a third bushing 15, and the height of the third bushing 15 is not less than the depth of the connecting hole 4. Example 4
[0026] The differences between this embodiment and Embodiment 1 are as follows; all other aspects are the same: The first baffle 13 and the first bushing 131, as well as the second baffle 14 and the second bushing 141, are separate units, which are fixedly spliced together through post-processing, such as by welding.
[0027] The above description is only the optimal solution embodiment of this utility model and is not intended to limit this utility model. Various modifications or substitutions made by those skilled in the art to this utility model without departing from the essence and protection scope of this utility model should also be within the protection scope of this utility model.
Claims
1. A quick-assembly folding knife, comprising a handle and a blade, characterized in that: The handle and the blade are connected by a connecting assembly (1), which includes a rotating shaft (11), a fixing screw (12), a first baffle (13), and a second baffle (14). At least one of the first baffle (13) and the second baffle (14) has a bushing on its side. The blade has a connecting hole (4), the handle has a through hole (5), and one end of the rotating shaft (11) has an internal threaded hole (111) that mates with the fixing screw (12). The height of the bushing is not less than the depth of the connecting hole (4). When assembling the handle to the tool body, the first baffle (13) and the second baffle (14) are placed on both sides of the connecting hole (4), and the bushing is placed in the connecting hole (4); the shaft (11) passes through the through hole (5), the first baffle (13), the bushing, and the second baffle (14) in sequence; and is locked with the shaft (11) by the fixing screw (12).
2. The quick-assembly folding knife according to claim 1, characterized in that: The folding knife is a butterfly knife (2), the connecting components (1) are in two sets, the handle includes a first handle (221) and a second handle (222), the knife body is a butterfly knife body (21), the connecting hole (4) includes a first connecting hole (211) and a second connecting hole (212), the through hole (5) is provided at one end of the first handle (221) and the second handle (222), the first handle (221) is hinged to the first connecting hole (211) through one set of the connecting components (1), and the second handle (222) is hinged to the second connecting hole (212) through another set of the connecting components (1).
3. The quick-assembly folding knife according to claim 2, characterized in that: The butterfly knife body (21) is provided with locking grooves (23) on both sides of one end, and locking posts (24) that cooperate with the locking grooves (23) are provided on the first handle (221) and the second handle (222).
4. The quick-assembly folding knife according to claim 1, characterized in that: The folding knife is a folding knife (3), there is one set of connecting components (1), the handle is a folding handle (31), the knife body is a folding knife body (32), the connecting hole (4) is provided at one end of the folding knife body (32), the through hole (5) is provided at one end of the folding handle (31), and the folding handle (31) is hinged to the connecting hole (4) through the connecting components (1).
5. The quick-assembly folding knife according to claim 4, characterized in that: One end of the folding knife (3) is also provided with a folding knife slot (34), and the folding knife handle (31) is provided with a folding knife locking post (35) that cooperates with the folding knife slot (34).
6. The quick-assembly folding knife according to any one of claims 1 to 5, characterized in that: The first baffle (13) has a first bushing (131) on one side, and the second baffle (14) has a second bushing (141) on one side. The total height of the first bushing (131) and the second bushing (141) is not less than the depth of the connecting hole (4).
7. The quick-assembly folding knife according to any one of claims 1 to 5, characterized in that: Only the side of the first baffle (13) or the second baffle (14) is provided with a third bushing (15), and the height of the third bushing (15) is not less than the depth of the connecting hole (4).
8. The quick-assembly folding knife according to claim 1, characterized in that, The first baffle (13) and / or the second baffle (14) are integrated with the bushing.
9. The quick-assembly folding knife according to claim 1, characterized in that, The first baffle (13), the second baffle (14) and the bushing are separate units and are fixedly connected by post-processing.
10. The quick-assembly folding knife according to claim 1, characterized in that, The through hole (5) is a T-shaped countersunk through hole.