Gasket and bearing integrated structure and folding knife

Abstract

The gasket and bearing integrated structure comprises a gasket, the gasket is provided with a first receding hole and a first containing groove, the left side and the right side of the first receding hole penetrate through the gasket, a main shaft of the folding knife penetrates through the first receding hole, the first containing groove is located in one side wall of the gasket, and the first containing groove is formed around the first receding hole; the bearing is provided with a second receding hole, the second receding hole penetrates through the bearing left and right, the second receding hole is used for allowing a main shaft of the folding knife to penetrate through, the bearing is arranged in the first containing groove, one side of the bearing is covered with the bottom wall of the first containing groove, and the other side of the bearing is exposed out of the gasket. The gasket and the bearing are integrally arranged together, so that the gasket and the bearing are connected more tightly, the mounting stability of the gasket and the bearing can be improved, the bearing is prevented from falling off in the mounting and maintaining process, and mounting and maintaining are more convenient.

Description

Technical Field

[0001] The present application relates to the technical field of cutting tools, and particularly to a gasket-bearing integrated structure and a folding knife. Background Art

[0002] A folding knife is a foldable cutting tool that is convenient to carry and store. Among them, the folding knife mainly includes a handle, a blade, and a locking structure. The blade is rotatably arranged on the handle. The blade has a closed state received in the handle and an open state exposed outside the handle. The locking structure is used to maintain the blade in the open state. In order to enhance the smoothness and durability of the opening and closing of the blade, a gasket and a bearing are provided between the handle and the blade. The bearing is located between two gaskets. However, since the gasket and the bearing are separate structures, the structural stability is poor. Utility Model Content

[0003] An embodiment of the present application provides a gasket-bearing integrated structure and a folding knife to solve the problems existing in the related art. The technical solutions are as follows:

[0004] In a first aspect, an embodiment of the present application provides a gasket-bearing integrated structure, including:

[0005] A gasket having a first avoidance hole and a first accommodation groove. The first avoidance hole penetrates through the gasket on both the left and right sides. The first avoidance hole is used for the spindle of the folding knife to pass through. The first accommodation groove is located on one side wall of the gasket and is arranged around the first avoidance hole; and

[0006] A bearing having a second avoidance hole. The second avoidance hole penetrates through the bearing on both the left and right sides. The second avoidance hole is used for the spindle of the folding knife to pass through. The bearing is arranged in the first accommodation groove. One side of the bearing is covered by the bottom wall of the first accommodation groove, and the other side of the bearing is exposed outside the gasket.

[0007] In one embodiment, the gasket is a structure made of steel material.

[0008] In one embodiment, the gasket is a structure made of stainless steel material.

[0009] In one embodiment, the bearing includes:

[0010] A bearing frame arranged in the first accommodation groove. The bearing frame has the second avoidance hole and a plurality of positioning holes sequentially arranged around the second avoidance hole; and

[0011] A plurality of rolling elements that are rotatably arranged in a corresponding one of the positioning holes.

[0012] In one embodiment, the outer peripheral wall of the bearing frame is in interference fit with the inner side wall of the first receiving groove.

[0013] In one embodiment, the outer peripheral wall of the bearing frame is in clearance fit with the inner side wall of the first receiving groove, and an adhesive layer is provided between the outer peripheral wall of the bearing frame and the inner side wall of the first receiving groove, and the adhesive layer connects the outer peripheral wall of the bearing frame and the inner side wall of the first receiving groove together.

[0014] Second aspect, embodiments of the present application provide a folding knife, including:

[0015] A knife handle;

[0016] A main shaft, the main shaft is provided on the knife handle;

[0017] A blade body, the blade body has a connection hole, the connection hole is for the main shaft to pass through and is rotatably matched with the main shaft, so that the blade body can rotate relative to the knife handle to open and close; and

[0018] The above-mentioned gasket bearing integrated structure, the side of the gasket facing away from the bearing abuts against the knife handle, the side of the bearing exposed outside the gasket faces the blade body, and the rolling elements in the bearing are rollably matched with the blade body.

[0019] In one embodiment, the side of the blade body facing the knife handle has a second receiving groove, and the second receiving groove is arranged around the connection hole;

[0020] The side of the gasket facing the blade body is inserted into the second receiving groove, and the side of the bearing exposed outside the gasket is covered by the bottom wall of the second receiving groove.

[0021] In one embodiment, the blade body is provided with a positioning protrusion, the positioning protrusion is located in the second receiving groove and is arranged around the connection hole, and the positioning protrusion sequentially passes through the second avoidance hole and the first avoidance hole.

[0022] In one embodiment, the knife handle is an integral structure.

[0023] The advantages or beneficial effects in the above technical solutions at least include:

[0024] In the integrated structure of the gasket and bearing of the present utility model, since the gasket has a first receiving groove, the bearing is disposed in the first receiving groove, and one side of the bearing is covered by the bottom wall of the first receiving groove, while the other side of the bearing is exposed outside the gasket. This realizes the integrated setting of the gasket and the bearing, making the connection between the gasket and the bearing closer, enhancing the installation stability of the gasket and the bearing, thereby preventing the bearing from falling during installation and maintenance, and making the installation and maintenance more convenient. Additionally, it can also reduce the axial dimension when the gasket and the bearing are assembled in the folding knife, so as to reduce the occupied space of the gasket and the bearing, and thus be able to reduce the thickness dimension of the folding knife. Moreover, since one side of the bearing is covered by the bottom wall of the first receiving groove, it can play a dust-proof role, preventing foreign matters from entering the bearing and affecting the smooth rolling of the rolling elements in the bearing.

[0025] The above summary is only for the purpose of the specification and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present application will be readily apparent by reference to the drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In the drawings, unless otherwise specified, the same reference numerals throughout the several views represent the same or similar components or elements. These drawings are not necessarily drawn to scale. It should be understood that these drawings only depict some embodiments disclosed in the present application and should not be regarded as limiting the scope of the present application.

[0027] Figure 1 FIG. 12 is a perspective structural view of the integrated structure of the gasket and bearing of the present utility model from a first perspective, wherein the rolling elements are spherical;

[0028] Figure 2 FIG. 16 is a perspective structural view of the integrated structure of the gasket and bearing of the present utility model from a second perspective, wherein the rolling elements are spherical;

[0029] Figure 3 FIG. 20 is an exploded view of the integrated structure of the gasket and bearing of the present utility model;

[0030] Figure 4 FIG. 24 is a perspective structural view of the integrated structure of the gasket and bearing of the present utility model from a first perspective, wherein the rolling elements are cylindrical;

[0031] Figure 5 FIG. 28 is a perspective structural view of the integrated structure of the gasket and bearing of the present utility model assembled with the tool body;

[0032] Figure 6 is Figure 5 the exploded view shown in FIG.

[0033] REFERENCE NUMERALS

[0034] 1. Gasket; 11. First avoidance hole; 12. First receiving groove; 2. Bearing; 21. Bearing frame; 211. Second avoidance hole; 212. Positioning hole; 22. Rolling element; 3. Tool body; 31. Connecting hole; 32. Second receiving groove; 33. Positioning protrusion. Detailed implementation mode

[0035] In the following text, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than restrictive.

[0036] See Figures 1 - 6 , which shows a gasket-bearing integrated structure of a preferred embodiment of the present utility model, including:

[0037] Gasket 1, the gasket 1 has a first avoidance hole 11 and a first receiving groove 12. The first avoidance hole 11 penetrates through the gasket 1 on both the left and right sides. The first avoidance hole 11 is used for the spindle of the folding knife to pass through. The first receiving groove 12 is located on one side wall of the gasket 1 and is arranged around the first avoidance hole 11; and

[0038] Bearing 2, the bearing 2 has a second avoidance hole 211. The second avoidance hole 211 penetrates through the bearing 2 on both the left and right sides. The second avoidance hole 211 is used for the spindle of the folding knife to pass through. The bearing 2 is arranged in the first receiving groove 12. One side of the bearing 2 is covered by the bottom wall of the first receiving groove 12, and the other side of the bearing 2 is exposed outside the gasket 1.

[0039] In the gasket-bearing integrated structure of the present utility model, since the gasket 1 has the first receiving groove 12, the bearing 2 is arranged in the first receiving groove 12, and one side of the bearing 2 is covered by the bottom wall of the first receiving groove 12 while the other side of the bearing 2 is exposed outside the gasket 1, the gasket 1 and the bearing 2 are integrally arranged together, making the connection between the gasket 1 and the bearing 2 tighter, increasing the installation stability of the gasket 1 and the bearing 2, thereby preventing the bearing 2 from falling during installation and maintenance, making installation and maintenance more convenient. In addition, it can also play a role in reducing the axial dimension when the gasket 1 and the bearing 2 are assembled in the folding knife, so as to reduce the occupied space of the gasket 1 and the bearing 2, and thus be able to reduce the thickness dimension of the folding knife. In addition, since one side of the bearing 2 is covered by the bottom wall of the first receiving groove 12, it can play a dust-proof role and avoid sundries from entering the bearing 2 and affecting the smooth rolling of the rolling element 22 in the bearing 2.

[0040] In one embodiment, the gasket 1 is a structure made of steel, so that the gasket 1 has better hardness, thereby improving the wear resistance of the gasket 1. At the same time, the gasket 1 made of steel has a lower cost, which can reduce the cost of the gasket-bearing integrated structure, and thus can reduce the cost of the folding knife.

[0041] In one embodiment, the gasket 1 is a structure made of stainless steel, so that the gasket 1 has better rust prevention performance, prevents the gasket 1 from rusting, and ensures that the blade body 3 can be smoothly opened and closed persistently.

[0042] Of course, in other embodiments, the gasket 1 can also be a structure made of copper, which can also make the gasket 1 have better hardness, so that the gasket 1 has better wear resistance. However, this gasket 1 has a higher cost.

[0043] Of course, in other embodiments, the gasket 1 can also be a structure made of other hard metal materials, as long as the gasket 1 can have better wear resistance.

[0044] In one embodiment, the bearing 2 includes:

[0045] A bearing frame 21, the bearing frame 21 is arranged in the first receiving groove 12, the bearing frame 21 has a second avoidance hole 211 and a plurality of positioning holes 212 arranged in sequence around the second avoidance hole 211; and

[0046] A plurality of rolling elements 22, the rolling elements 22 are rotatably arranged in a corresponding positioning hole 212. This bearing 2 has a simple and practical structure, high structural stability, and low cost, which can reduce the cost of the gasket-bearing integrated structure, and thus can reduce the cost of the folding knife.

[0047] In one embodiment, the outer peripheral wall of the bearing frame 21 is in interference fit with the inner side wall of the first receiving groove 12, so as to reliably embed the bearing 2 in the first receiving groove 12, limit the bearing 2 from falling out of the gasket 1, and can improve the assembly stability of the bearing 2.

[0048] In one embodiment, the outer peripheral wall of the bearing frame 21 is in clearance fit with the inner side wall of the first receiving groove 12, and an adhesive layer (not shown in the figure) is provided between the outer peripheral wall of the bearing frame 21 and the inner side wall of the first receiving groove 12. The adhesive layer connects the outer peripheral wall of the bearing frame 21 and the inner side wall of the first receiving groove 12 together, so as to fix the bearing 2 and the gasket 1 together, limit the bearing 2 from falling out of the gasket 1, and can improve the assembly stability of the bearing 2.

[0049] A preferred embodiment of the present utility model provides a folding knife, including:

[0050] A knife handle;

[0051] The main shaft is provided on the tool holder.

[0052] The tool body 3 has a connecting hole 31. The connecting hole 31 is for the main shaft to pass through and is rotatably matched with the main shaft, so that the tool body 3 can rotate relative to the tool holder to open and close; and

[0053] In the above gasket-bearing integrated structure, one side of the gasket 1 facing away from the bearing 2 abuts against the tool holder, one side of the bearing 2 exposed outside the gasket 1 faces the tool body 3, and the rolling elements 22 in the bearing 2 are rollably matched with the tool body 3.

[0054] For the folding knife of the present utility model, due to the adoption of the above gasket-bearing integrated structure, and also based on the fact that the gasket 1 has a first receiving groove 12, the bearing 2 is arranged in the first receiving groove 12, and one side of the bearing 2 is covered by the bottom wall of the first receiving groove 12, and the other side of the bearing 2 is exposed outside the gasket 1, the gasket 1 and the bearing 2 are integrally arranged together, making the connection between the gasket 1 and the bearing 2 closer, increasing the installation stability of the gasket 1 and the bearing 2, thereby preventing the bearing 2 from falling during installation and maintenance, making installation and maintenance more convenient. In addition, it can also play a role in reducing the axial dimension when the gasket 1 and the bearing 2 are assembled in the folding knife, so as to reduce the occupied space of the gasket 1 and the bearing 2, and thus be able to reduce the thickness dimension of the folding knife. In addition, since one side of the bearing 2 is covered by the bottom wall of the first receiving groove 12, it can play a dust-proof role and prevent sundries from entering the bearing 2 and affecting the smooth rolling of the rolling elements 22 in the bearing 2.

[0055] In one embodiment, one side of the tool body 3 facing the tool holder has a second receiving groove 32, and the second receiving groove 32 is arranged around the connecting hole 31;

[0056] One side of the gasket 1 facing the tool body 3 is inserted into the second receiving groove 32 to position the gasket-bearing integrated structure, which is beneficial to further improve the assembly stability of the gasket-bearing integrated structure in the folding knife. At the same time, it can also further shorten the thickness dimension of the folding knife, and one side of the bearing 2 exposed outside the gasket 1 is covered by the bottom wall of the second receiving groove 32 to play a dust-proof role and prevent sundries from entering the bearing 2, so that the tool body 3 rotates more smoothly.

[0057] In one embodiment, the tool body 3 is provided with a positioning protrusion 33. The positioning protrusion 33 is located in the second receiving groove 32 and is arranged around the connecting hole 31. The positioning protrusion 33 sequentially passes through the second avoidance hole 211 and the first avoidance hole 11 to play an installation and positioning role for the gasket-bearing integrated structure, which is beneficial to further improve the assembly stability of the gasket-bearing integrated structure in the folding knife.

[0058] In one embodiment, the handle is an integral structure, that is, the handle is a structure made by an integral molding method, which can reduce the hole positions on the surface of the handle, simplify the external structure of the handle, and at the same time, improve the aesthetic appearance of the handle.

[0059] Of course, in other embodiments, the handle can also be a split structure, that is, the handle includes a first handle body and a second handle body, and the first handle body and the second handle body are respectively disposed on the left and right sides of the knife body 3.

[0060] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0061] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" can explicitly or implicitly include at least one of these features. In the description of the present application, "a plurality" means two or more, unless otherwise specifically defined.

[0062] The above is only the specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art within the technical scope disclosed in the present application can easily think of various changes or substitutions, and these should all be covered by the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. The integrated structure of a gasket and a bearing, characterized in that, Comprising: A gasket, the gasket having a first avoidance hole and a first receiving groove. The first avoidance hole penetrates through the gasket on both the left and right sides. The first avoidance hole is for the spindle of the folding knife to pass through. The first receiving groove is located on one side wall of the gasket and is arranged around the first avoidance hole. And A bearing, the bearing having a second avoidance hole. The second avoidance hole penetrates through the bearing on both the left and right sides. The second avoidance hole is for the spindle of the folding knife to pass through. The bearing is arranged in the first receiving groove. One side of the bearing is covered by the bottom wall of the first receiving groove, and the other side of the bearing is exposed outside the gasket.

2. The gasket bearing integrated structure according to claim 1, wherein, The gasket is a structure made of steel material.

3. The gasket bearing integrated structure according to claim 2, wherein The gasket is a structure made of stainless steel material.

4. The gasket bearing integrated structure according to claim 1, wherein, The bearing includes: A bearing frame, the bearing frame is arranged in the first receiving groove. The bearing frame has the second avoidance hole and a plurality of positioning holes arranged in sequence around the second avoidance hole; and A plurality of rolling elements, the rolling elements are rotatably arranged in a corresponding one of the positioning holes.

5. The gasket bearing integrated structure according to claim 4, wherein, The outer peripheral wall of the bearing frame is in interference fit with the inner side wall of the first receiving groove.

6. The integrated structure of the gasket bearing according to claim 4, wherein, The outer peripheral wall of the bearing frame is in clearance fit with the inner side wall of the first receiving groove, and an adhesive layer is provided between the outer peripheral wall of the bearing frame and the inner side wall of the first receiving groove. The adhesive layer connects the outer peripheral wall of the bearing frame and the inner side wall of the first receiving groove together.

7. A folding knife, characterized in that, Comprising: A knife handle; A spindle, the spindle is arranged on the knife handle; A blade body, the blade body having a connection hole. The connection hole is for the spindle to pass through and is rotatably matched with the spindle, so that the blade body can rotate relative to the knife handle to open and close; And The gasket-bearing integrated structure according to any one of claims 1-6, one side of the gasket facing away from the bearing abuts against the knife handle, one side of the bearing exposed outside the gasket faces the blade body, and the rolling elements in the bearing are rotatably matched with the blade body.

8. The jackknife according to claim 7, characterized in that, One side of the blade body facing the knife handle has a second receiving groove, and the second receiving groove is arranged around the connection hole; One side of the gasket facing the blade body is inserted into the second receiving groove, and one side of the bearing exposed outside the gasket is covered by the bottom wall of the second receiving groove.

9. The folding knife according to claim 8, characterized in that, The blade body is provided with a positioning protrusion, the positioning protrusion is located in the second receiving groove and is arranged around the connection hole, and the positioning protrusion sequentially passes through the second avoidance hole and the first avoidance hole.

10. The folding knife according to claim 7, characterized in that, The knife handle is an integral structure.

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