Folding knife structure
By improving the connecting components and installation components of the folding knife, a quadrilateral mechanism is formed, the stability problems caused by the single-fulveal folding structure are solved, and a more stable folding and deployment process is achieved, improving the user experience.
Patent Information
- Application Number
- CN202422426798.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-10-09
AI Technical Summary
The existing folding knife is a single-fulveal folding structure, resulting in poor stress stability during use.
The design includes a metal bracket, a folding handle, a connecting assembly and a mounting assembly is adopted. A quadrilateral mechanism is formed by connecting a plurality of first large-head screws and screw sleeves. Combining the screw glass beads with the circumferential surface of the connecting rod, a stable connection between the metal bracket and the folding handle is achieved, and a damping feeling is provided through the cooperation of the small grooves with the glass beads.
Improves the stability and comfort of the folding knife during the expansion and folding process, ensuring smooth operation of the folding handle.
Smart Images
Figure CN223130745U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of knives, in particular to a folding knife structure. Background Art
[0002] A folding knife, as the name implies, is a knife that can be folded. Its main feature is that its blade body can be connected to the handle through a certain mechanism and can be folded and stored when not in use to reduce the volume and facilitate carrying; this design makes the folding knife have wide application value in various occasions such as outdoor activities, daily life, and self-defense.
[0003] However, the folding knives in the prior art are basically single-pivot folding structures, resulting in poor force stability when the folding knives are used. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a folding knife structure, aiming to solve the technical problem that the folding knives in the prior art are basically single-pivot folding structures, resulting in poor force stability when the folding knives are used.
[0005] To achieve the above purpose, a folding knife structure adopted by the utility model includes a metal bracket, a folding handle, two sets of connecting components, an installation component, and a blade body. The folding handle is connected to the metal bracket through the two sets of connecting components, and the blade is installed on the folding handle through the installation component.
[0006] Among them, the connecting component includes a connecting rod, two first large-head screws, two screw sleeves, two first copper gaskets, and two second copper gaskets. One end of the first large-head screw sequentially penetrates through the corresponding first copper gasket, connecting rod, and corresponding second copper gasket, and the two screw sleeves are respectively arranged on the metal bracket and the folding handle and are in threaded cooperation with the corresponding first large-head screws.
[0007] Among them, the installation component includes a blade cover, a machine screw, and a second large-head screw. One end of the machine screw penetrates through the blade cover and is in threaded cooperation with the folding handle, and one end of the second large-head screw sequentially penetrates through the blade cover and the blade body and is in threaded cooperation with the folding handle.
[0008] Among them, the installation component further includes two third copper gaskets, and the two third copper gaskets are both sleeved on the second large-head screw and are located on both sides of the blade body.
[0009] Among them, the folding knife structure further includes a small elastic piece. The blade cover has an installation groove, and the small elastic piece is arranged in the installation groove.
[0010] Among them, the metal bracket has a first contact surface.
[0011] Among them, the folding handle has a second contact surface and an abutting inclined surface.
[0012] Among them, the metal bracket further has a hanging hole, and the hanging hole is circular.
[0013] For a folding knife structure of the present utility model, in specific use, the metal bracket, the folding handle and the two connecting rods are connected by a plurality of first big head screws and a plurality of screw sleeves to form a quadrilateral mechanism, so as to realize the folding and unfolding functions of the metal bracket and the folding handle. The two connecting rods are respectively arranged on the upper and lower sides of the metal bracket, which can ensure that the metal bracket is more stable under force on both sides. At the same time, through the circumferential surface cooperation between the screw beads built in the metal bracket and the connecting rod, it can ensure that there is a damping feeling during the unfolding and folding processes of the folding handle. In addition, two small grooves are designed on the circumferential surface of the connecting rod in contact with the screw beads. Through the cooperation of the beads and the small grooves, the use requirement of the folding handle to be opened and closed as needed is realized. In this way, the technical problem that the folding knife in the prior art is basically a single-pivot folding structure, resulting in poor force stability when the folding knife is used, is solved. Description of the Drawings
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0015] Figure 1 It is a schematic structural diagram of the folding knife structure of the present utility model during storage.
[0016] Figure 2 It is a schematic structural diagram of the folding knife structure of the present utility model during the unfolding process.
[0017] Figure 3 It is a schematic structural diagram of the folding knife structure of the present utility model when unfolded.
[0018] Figure 4 It is an exploded view of the folding knife structure of the present utility model.
[0019] Figure 5 It is a schematic structural diagram of the folding handle when unfolded and the blade body during storage.
[0020] Figure 6 It is a schematic structural diagram of the folding handle when unfolded and the blade body during the unfolding process.
[0021] Figure 7 It is a schematic structural diagram when the blade body is unfolded while the folding handle of the present utility model is unfolded.
[0022] 101 - Metal bracket, 102 - Folding handle, 103 - Blade body, 104 - Link rod, 105 - First large head screw, 106 - Screw sleeve, 107 - First copper gasket, 108 - Second copper gasket, 109 - Blade cover, 110 - Machine screw, 111 - Second large head screw, 112 - Third copper gasket, 113 - Small elastic piece, 114 - Installation groove, 115 - First contact surface, 116 - Second contact surface, 117 - Abutting inclined surface, 118 - Hanging hole, 119 - Screw bead, 120 - Groove. Specific embodiments
[0023] The following details the embodiments of the present utility model. The examples of the embodiments are shown in the drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation to the present utility model.
[0024] Please refer to Figures 1 to 7 where Figure 1 is a schematic structural diagram when the folding knife structure of the present utility model is in a stored state, Figure 2 is a schematic structural diagram during the unfolding process of the folding knife structure of the present utility model, Figure 3 is a schematic structural diagram when the folding knife structure of the present utility model is unfolded, Figure 4 is an exploded view of the folding knife structure of the present utility model, Figure 5 is a schematic structural diagram when the blade body is stored while the folding handle of the present utility model is unfolded, Figure 6 is a schematic structural diagram during the unfolding process of the blade body while the folding handle of the present utility model is unfolded, Figure 7 is a schematic structural diagram when the blade body is unfolded while the folding handle of the present utility model is unfolded.
[0025] The present utility model provides a folding knife structure, including a metal bracket 101, a folding handle 102, two sets of connection components, an installation component, and a blade body 103. The folding handle 102 is connected to the metal bracket 101 through the two sets of connection components, and the blade is installed on the folding handle 102 through the installation component;
[0026] Among them, the connecting assembly includes a connecting rod 104, two first thumb screws 105, two screw sleeves 106, two first copper washers 107 and two second copper washers 108, one end of the first thumb screw 105 passes through the corresponding first copper washers 107, the connecting rod 104 and the corresponding second copper washers 108 in sequence, and the two screw sleeves 106 are respectively arranged on the metal bracket 101 and the folding handle 102, and are threadedly matched with the corresponding first thumb screw 105.
[0027] According to this specific embodiment, when used, the metal bracket 101 is tightly connected with the folding handle 102 and the two connecting rods 104 through a plurality of first thumb screws 105 and a plurality of screw sleeves 106, thereby forming a quadrilateral mechanism to realize the folding and unfolding functions of the metal bracket 101 and the folding handle 102. The two connecting rods 104 are respectively placed on the upper and lower sides of the metal bracket 101, which can ensure that the metal bracket 101 is more firmly stressed on both sides. At the same time, through the metal bracket 1 01 The cooperation between the built-in screw glass bead 119 and the circumferential surface of the connecting rod 104 can ensure that the folding handle 102 has a damping feeling during the unfolding and folding process. In addition, the circumferential surface of the connecting rod 104 in contact with the screw glass bead 119 is designed with two small grooves 120. Through the cooperation between the glass bead and the small groove 120, the folding handle 102 can be opened and closed at will, thereby solving the technical problem that the folding knife in the prior art is basically a single-point folding structure, which leads to poor force stability when the folding knife is used.
[0028] The mounting assembly includes a blade cover 109, a machine screw 110, and a second thumb screw 111. One end of the machine screw 110 passes through the blade cover 109 and is threadedly matched with the folding handle 102. One end of the second thumb screw 111 passes through the blade cover 109 and the blade body 103 in sequence and is threadedly matched with the folding handle 102.
[0029] The mounting assembly further includes two third copper washers 112 , which are sleeved on the second thumb screw 111 and located on two sides of the blade body 103 ;
[0030] The folding knife structure further includes a small spring piece 113, and the blade cover 109 has a mounting groove 114, and the small spring piece 113 is arranged in the mounting groove 114;
[0031] The metal bracket 101 has a first contact surface 115;
[0032] The folding handle 102 has a second contact surface 116 and a resisting inclined surface 117 .
[0033] For this specific embodiment, the blade body 103 is installed by means of the blade cover 109, the machine screw 110 and the second large head screw 111. In the using direction of the blade body 103, the side straight surface of the connecting rod 104 will abut against the first contact surface 115, and the metal bracket 101 will abut against the second contact surface 116. When the blade body 103 is in the deployed and stored states, the blade body 103 and the small elastic piece 113 are in straight surface cooperation to keep the blade in a stable state. When the blade body 103 is in the non-folded or stored state, the cylindrical surface of the blade body 103 and the small elastic piece 113 are in straight surface cooperation to make the blade body 103 have a damping effect during the rotation process.
[0034] Secondly, the metal bracket 101 further has a hanging hole 118, and the hanging hole 118 is circular.
[0035] For this specific embodiment, by providing the hanging hole 118, it is convenient to hang and place the main body of the metal bracket 101.
[0036] When using a folding knife structure of the present utility model, during specific use, the metal bracket 101, the folding handle 102 and the two connecting rods 104 are tightly connected by a plurality of first large head screws 105 and a plurality of screw sleeves 106 to form a quadrilateral mechanism, so as to realize the folding and unfolding functions of the metal bracket 101 and the folding handle 102. The two connecting rods 104 are respectively placed on the upper and lower sides of the metal bracket 101, which can ensure that the metal bracket 101 is more stable under the force on both sides. At the same time, through the circumferential surface cooperation between the screw glass bead 119 built in the metal bracket 101 and the connecting rod 104, it can ensure that the folding handle 102 has a damping feeling during the unfolding and folding processes. In addition, two small grooves 120 are designed on the circumferential surface of the connecting rod 104 in contact with the screw glass bead 119. Through the cooperation of the glass bead and the small grooves 120, the use requirement of the folding handle 102 to be opened and closed at any time is realized. In this way, the technical problem in the prior art that the folding knife is basically a single-pivot folding structure, resulting in poor force stability when the folding knife is used, is solved.
[0037] The above-disclosed is only a preferred embodiment of the present utility model. Of course, it cannot be used to limit the scope of rights of the present utility model. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present utility model still fall within the scope covered by the present utility model.
Claims
1. A folding knife structure, characterized in that, it includes a metal bracket, a folding handle, two sets of connecting components, a mounting component and a blade body. The folding handle is connected to the metal bracket through the two sets of connecting components, and the blade is mounted on the folding handle through the mounting component.
2. The folding knife structure according to claim 1, characterized in that, the connecting component includes a connecting rod, two first large-headed screws, two screw sleeves, two first copper gaskets and two second copper gaskets. One end of the first large-headed screw sequentially penetrates through the corresponding first copper gasket, connecting rod and corresponding second copper gasket. The two screw sleeves are respectively arranged on the metal bracket and the folding handle and are in threaded cooperation with the corresponding first large-headed screws.
3. The folding knife structure according to claim 2, characterized in that, the mounting component includes a blade cover, a machine screw and a second large-headed screw. One end of the machine screw penetrates through the blade cover and is in threaded cooperation with the folding handle. One end of the second large-headed screw sequentially penetrates through the blade cover and the blade body and is in threaded cooperation with the folding handle.
4. The folding knife structure according to claim 3, characterized in that, the mounting component further includes two third copper gaskets. The two third copper gaskets are both sleeved on the second large-headed screw and are located on both sides of the blade body.
5. The folding knife structure according to claim 4, characterized in that, the folding knife structure further includes a small elastic piece. The blade cover has a mounting groove, and the small elastic piece is arranged in the mounting groove.
6. The folding knife structure according to claim 5, characterized in that, the metal bracket has a first contact surface.
7. The folding knife structure according to claim 6, characterized in that, the folding handle has a second contact surface and a resisting inclined surface.
8. The folding knife structure according to claim 7, characterized in that, the metal bracket further has a hanging hole, and the hanging hole is circular.