Screw-free locking structure

Abstract

The utility model provides a screw-free locking structure of a folding knife. The problems that in the current market, due to the fact that a large number of standard screws are used and the screws are exposed, installation is tedious, and the attractiveness is poor are solved. Through the hidden design of the locking structure, the detachable property of the handle body is met, meanwhile, no screw is arranged on the surface of the folding knife, and the appearance attractiveness is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of folding knives, and in particular provides a screwless locking structure. Background Art

[0002] Folding knives, as versatile cutting tools, are widely used in everyday cutting, fine engraving, edge trimming, and quick unpacking, greatly facilitating daily life. Traditionally, folding knives consist of a handle and a blade, and are generally assembled and secured with standard screws to ensure stability. However, some folding knives on the market use multiple screws, which inevitably complicates the installation process and increases assembly time and cost. Furthermore, the exposed screws and nuts detract from the knife's overall aesthetic.

[0003] Therefore, there is an urgent need for an easy-to-install and concealed screwless locking structure, which aims to simplify the assembly work without affecting the stability of the folding knife, improve the overall aesthetics of the folding knife, integrate design aesthetics into practical tools, and bring users a more pleasant user experience. Summary of the Invention

[0004] This application provides a screwless locking structure for folding knives, which solves the problems of cumbersome installation and poor aesthetics caused by the large number of standard screws used and the exposed screws in the current market. To solve the above technical difficulties, the embodiments of this application disclose the following technical solutions:

[0005] A screwless locking structure is characterized by comprising a positioning column (1), a sliding lock block (2), a left bumper (3), a right bumper (4), a magnet A (5), a magnet B (6), a tail plug (7), a left handle body (8) and a right handle body (9); wherein the positioning column (1), the sliding lock block (2) and the tail plug (7) all have a mirror-image mounting structure.

[0006] Preferably, the left handle body (8) is provided with a left cavity (81), the right handle body (9) is provided with a right cavity (91), the left cavity (81) is provided with a left positioning groove (82), a left first stop groove (83), a left second stop groove (84), a left slide groove (85), and a left guide groove (86); the right cavity (91) is provided with a right positioning groove (92), a right first stop groove (93), a right second stop groove (94), a right slide groove (95), and a right guide groove (96); and the left first stop groove (83), the left second stop groove (84) and the right first stop groove (93), the right second stop groove (94) are respectively located on the sliding paths of the left bumper (3) and the right bumper (4); the internal structures of the left cavity (81) and the right cavity (91) are mirror images. Preferably, the tail plug (7) is provided with a groove (71), a left boss (72), a right boss (73), a blocking groove (74), a left first limiting groove (721), a left second limiting groove (722), a right first limiting groove (731), and a right second limiting groove (732), and the size b of the left boss (72) and the right boss (73) is smaller than the size a of the left guide groove (86) and the right guide groove (96), and is larger than the opening size c of the left guide groove (86) and the right guide groove (96); the left first limiting groove ( The size d of the left second limiting groove (721), the right first limiting groove (731), and the right second limiting groove (732) is smaller than the opening size c of the left guide groove (86) and the right guide groove (96); so that the left boss (72) and the right boss (73) of the sliding lock block (2) are slidably installed in the left guide groove (86) and the right guide groove (96) respectively; the magnet B (6) is fixed in the groove (71) by gluing, and at this time, the tail plug (7) and the magnet B (6) form a tail plug combination module.

[0007] Preferably, the sliding lock block (2) is provided with a left cavity (21) and a right cavity (22), and both are cylindrical; the unlocking hole (23), the mounting groove (24), the left slide (25), the right slide (26); the left bumper (3) is provided with a spherical end (31), and the right bumper (4) is provided with a spherical end (41); wherein the cylindrical ends of the left bumper (3) and the right bumper (4) are assembled to the left cavity (21) and the right cavity (22) provided on the sliding lock block (2) by interference fit or gluing. In the body (22), the spherical ends (31, 41) are exposed and are respectively higher than the outer edges of the left slide (25) and the right slide (26); the magnet A (5) is fixed in the installation groove (24) by gluing; the sliding lock block (2), the left bumper (3), the right bumper (4) and the magnet A (5) form a sliding lock combination module; this combination module is slidably installed in the right slide groove (95) and the right guide groove (96) in the left cavity (81) and the right cavity (91).

[0008] Preferably, the screwless locking structure is in positional relationship: one end surface of the positioning column (1) is placed in the left positioning groove (82) or the right positioning groove (92), then one end of the left sliding table (25) of the slide lock combination module is parallel and aligned with the left sliding groove (85) of the left handle body (8), or one end of the right sliding table (26) is parallel and aligned with the right sliding groove (95) of the right handle body (9), and the axial center of the spherical end (31) of the left impact bead (3) is aligned with the left one stop groove (83), and the axial center of the spherical end (41) of the right impact bead (4) is aligned with the right one stop groove (93); that is, the left handle body (8) and the right handle body (9) are mirror image installed on the left and right ends of the slide lock combination module, at this time, the left handle body (8), the right handle body (9), the slide lock combination module and the positioning column (1) form an assembly, and the end with the unlocking hole (23) is vertically upward; then the tail plug module is vertically inserted into the left cavity (81) and the right cavity (91) of the assembly, so that the left boss (72) and the right boss (73) of the tail plug (7) are simultaneously inserted into the left guide groove (86) and the right guide groove (96), and the axial center of the magnet B (6) is aligned with the axial center of the magnet A (5); at this time, the tail plug (7) is limited by the resisting part of the left handle body (8) and the right handle body (9).

[0009] Preferably, when the unlocking hole (23) is pushed in the direction of the tail plug (7) with force, the spherical end (31, 41) of the left impact bead (3) and the right impact bead (4) of the slide lock combination module slides from the left one stop groove (83) and the right one stop groove (93) to the left two stop grooves (84) and the right two stop grooves (94) respectively; at the same time, the tail plug (7) with the magnet B (6) generates an attractive force on the slide lock combination module, under the action of the attractive force and the external force, at this time, the slide lock block (2) is inserted into the resisting groove (74) at one end close to the installation groove (24), forming upper and lower limiting; the inner wall of the left guide groove (86) and the right guide groove (96) forms front and rear, left and right limiting for the left boss (72) and the right boss (73), and the screwless locking of the left handle body (8) and the right handle body (9) is completed; the opposite force can realize the unlocking of the left handle body (8) and the right handle body (9).

[0010] The beneficial effects of the present application are:

[0011] The present application provides a screwless locking structure of a folding knife, which solves the problems of complicated installation and poor appearance caused by the large number of standard screws and exposed screws on the current market. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the present application, the following will briefly introduce the drawings needed in the embodiments. Obviously, for those skilled in the art, other drawings can also be obtained from these drawings without creative labor. Figure 1 An explosion diagram of a screwless locking structure provided by the present application is direction 1.

[0013] Figure 2 A screw locking structure left handle body (8), right handle body (9) provided by the embodiment of the application axises Figure 1 .

[0014] Figure 3 A screw locking structure provided by the embodiment of the application is a cross-sectional view direction 1.

[0015] Figure 4 A screw locking structure provided by the embodiment of the application is a slide lock block (2) axises. DETAILED DESCRIPTION

[0016] In order for those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the present application will be described in detail below in conjunction with the drawings in the embodiments of the present application. The described embodiments are only some of the embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should be within the scope of protection of the present application.

[0017] The present application will be further described below in conjunction with specific embodiments:

[0018] Referring to Figures 1 to 4 , a screw locking structure: including positioning column (1), slide lock block (2), left pearl (3), right pearl (4), magnet A (5), magnet B (6), tail plug (7), left handle body (8) and right handle body (9) are composed of;

[0019] Slide lock combination module: left pearl (3), right pearl (4) cylindrical end is embedded in left cavity (21), right cavity (22) by interference assembly, or adhesive way, spherical end (31, 41) is exposed, respectively higher than the outer edge of left slide table (25), right slide table (26); magnet A (5) is fixed in mounting groove (24) by adhesive way; the slide lock block (2), left pearl (3), right pearl (4) and magnet A (5) form a slide lock combination module;

[0020] Tail plug module: magnet B (6) is fixed in recess (71) by adhesive way, the tail plug (7) and magnet B (6) form a tail plug combination module;

[0021] When installing, the following steps are carried out in turn:

[0022] A, the positioning column (1) is placed in the left positioning groove (82) or the right positioning groove (92) of the left handle body (8) or the right handle body (9) at any end face;

[0023] B. One end of the left slide (25) of the slide lock assembly module is parallel to and aligned with the left slide groove (85) of the left handle body (8), or one end of the right slide (26) is parallel to and aligned with the right slide groove (95) of the right handle body (9), and at the same time, the axis of the spherical end (31) of the left contact ball (3) is aligned with the left first stop groove (83), and the axis of the spherical end (41) of the right contact ball (4) is aligned with the right first stop groove (93);

[0024] C. The left handle body (8) and the right handle body (9) are mirror-imaged and mounted on the left and right ends of the slide lock assembly module; D. The end with the unlocking hole (23) is vertically upward; the tail plug module is vertically inserted downward into the left cavity (81) and the right cavity (91) of the assembly body, so that the left boss (72) and the right boss (72) of the tail plug (7) are simultaneously inserted into the left guide groove (86) and the right guide groove (96), and the axis of the magnet B (6) is aligned with the axis of the magnet A (5);

[0025] 1. Use a tool to use a certain force to move the unlocking hole (23) toward the tail plug (7), and the spherical ends (31, 41) of the left touch bead (3) and the right touch bead (4) of the slide lock assembly module slide from the left first stop groove (83) and the right first stop groove (93) to the left second stop groove (84) and the right second stop groove (94) respectively; at the same time, the tail plug (7) equipped with the magnet B (6) generates suction force on the slide lock assembly module, and under the action of the suction force and the external force, the end of the slide lock block (2) close to the installation groove (24) is inserted into the resisting groove (74) to form upper and lower limit; the inner walls of the left guide groove (86) and the right guide groove (96) form front and rear, left and right limit for the left boss (72) and the right boss (73); through the above assembly steps, the screwless locking of the left handle body (8) and the right handle body (9) of the folding knife is achieved.

[0026] When in use, when the unlocking hole (23) is pushed toward the tail plug (7) with a certain force by a tool, the spherical ends (31, 41) of the left bumper (3) and the right bumper (4) of the slide lock assembly module slide from the left first stop groove (83) and the right first stop groove (93) to the left second stop groove (84) and the right second stop groove (94) respectively; at the same time, the tail plug (7) equipped with the magnet B (6) generates suction force on the slide lock assembly module. Under the action of the suction force and the external force, the end of the slide lock block (2) close to the installation groove (24) is inserted into the resisting groove (74), forming upper and lower limit positions; the left guide groove (86) and the right guide groove (96) The inner wall forms front and rear and left and right limits for the left boss (72) and the right boss (73), thereby realizing screw-free locking of the left handle body (8) and the right handle body (9) of the folding knife; when the unlocking hole (23) is toggled with an opposite force, one end of the slide lock assembly module equipped with the magnet A (5) is separated from the magnet B (6) end of the tail plug (7), and at the same time, the spherical ends (31, 41) of the left touch bead (3) and the right touch bead (4) of the slide lock assembly module slide from the left first stop groove (83) and the right first stop groove (93) to the left second stop groove (84) and the right second stop groove (94), respectively, at which time the left handle body (8) and the right handle body (9) are unlocked;

[0027] The above embodiments are intended only to illustrate the technical concepts and features of the present invention. Their purpose is to enable those skilled in the art to understand the contents of the present invention and implement them accordingly. They are not intended to limit the scope of protection of the present invention. Any equivalent changes or modifications made in accordance with the spirit of the present invention are intended to be covered by the scope of protection of the present invention.

Claims

1. A screwless locking structure, characterized in that: It comprises a left handle body (8), a right handle body (9), a positioning column (1), a sliding lock assembly module and a tail plug assembly module; The left handle body (8) and the right handle body (9) are mirror-symmetrical structures, and are provided with corresponding positioning grooves, stop grooves, sliding grooves and guide grooves therein; The sliding lock assembly module is composed of a sliding lock block (2), a left bumper (3), a right bumper (4) and a magnet A (5), and is slidably mounted between the left and right handle bodies (8, 9), wherein the left bumper (3) and the right bumper (4) can cooperate with the stop groove; The tail plug assembly module is composed of a tail plug (7) and a magnet B (6), the boss on which is slidably matched with the guide groove, and is magnetically matched with the magnet A (5) on the slide lock assembly module through the magnet B (6); The positioning column (1) is placed in the positioning grooves provided on the left handle body (8) and the right handle body (9); by operating the sliding lock combination module to slide, the left and right handle bodies (8, 9) are locked and unlocked by utilizing the cooperation between the bumper and different stop grooves and the attraction force of the magnet.

2. The screwless locking structure according to claim 1, characterized in that: The left handle body (8) is provided with a left cavity (81), and the right handle body (9) is provided with a right cavity (91). The left cavity (81) is provided with a left positioning groove (82), a left first stop groove (83), a left second stop groove (84), a left slide groove (85), and a left guide groove (86); the right cavity (91) is provided with a right positioning groove (92), a right first stop groove (93), a right second stop groove (94), a right slide groove (95), and a right guide groove (96); and the left first stop groove (83), the left second stop groove (84), the right first stop groove (93), and the right second stop groove (94) are respectively located on the sliding paths of the left bumper (3) and the right bumper (4); and The left bumper (3) is provided with a spherical end (31), and the right bumper (4) is provided with a spherical end (41); the internal structures of the left cavity (81) and the right cavity (91) are mirror images, the first left stop groove (83) and the second left stop groove (84) are circular grooves for cooperating with the spherical end (31) of the left bumper (3); the first right stop groove (93) and the second right stop groove (94) are circular grooves for cooperating with the spherical end (41) of the right bumper (4).

3. The screwless locking structure according to claim 1, characterized in that: The tail plug (7) is provided with a groove (71), a left boss (72), a right boss (73), a blocking groove (74), a left first limiting groove (721), a left second limiting groove (722), a right first limiting groove (731), and a right second limiting groove (732), and the size b of the left boss (72) and the right boss (73) is smaller than the size a of the guide grooves (86, 96) and larger than the opening size c of the guide grooves (86, 96); the left first limiting groove (721) and the left second limiting groove (722), The size d of the right first limiting groove (731) and the right second limiting groove (732) is smaller than the opening size c of the guide grooves (86, 96); the left boss (72) and the right boss (73) of the sliding lock block (2) are respectively slidably installed in the guide grooves (86, 96); the magnet B (6) is fixed in the groove (71) by gluing, and the tail plug (7) and the magnet B (6) form a tail plug combination module; the retaining groove (74) is used to accommodate one end of the sliding lock block (2) when locked.

4. The screwless locking structure according to claim 1, characterized in that: The sliding lock block (2) is provided with a left cavity (21) and a right cavity (22), and is cylindrical; an unlocking hole (23), a mounting groove (24), a left slide (25), and a right slide (26); wherein the cylindrical ends of the left bumper (3) and the right bumper (4) are embedded in the left cavity (21) and the right cavity (22) by interference fitting or gluing, and the spherical ends (31, 41) are exposed and are higher than the outer edges of the left slide (25) and the right slide (26). ; The magnet A (5) is fixed in the installation groove (24) by gluing; the sliding lock block (2), the left bumper (3), the right bumper (4) and the magnet A (5) form a sliding lock combination module; this combination module is slidably installed in the right slide groove (95) and the right guide groove (96) in the left cavity (81) and the right cavity (91), and the end of the sliding lock block (2) close to the installation groove (24) is formed as an insertion end for inserting into the blocking groove (74).

5. The screwless locking structure according to claim 1, characterized in that: The position relationship of the screwless locking structure is as follows: any end face of the positioning column (1) is placed in the left positioning groove (82) or the right positioning groove (92), and then one end of the left slide (25) of the slide lock assembly module is parallel to and aligned with the left slide groove (85) of the left handle body (8), or one end of the right slide (26) is parallel to and aligned with the right slide groove (95) of the right handle body (9), and at the same time, the axis of the spherical end (31) of the left touch ball (3) is aligned with the left stop groove (83), and the axis of the spherical end (41) of the right touch ball (4) is aligned with the right stop groove (93); that is, the left handle body (8) and the right handle body (9) are mirror-image mounted on At the left and right ends of the slide lock assembly module, the left handle body (8), the right handle body (9), the slide lock assembly module and the positioning column (1) form an assembly, and the end with the unlocking hole (23) is vertically upward; then the tail plug module is vertically inserted downward into the left cavity (81) and the right cavity (91) of the assembly, so that the left boss (72) and the right boss (73) of the tail plug (7) are simultaneously inserted into the left guide groove (86) and the right guide groove (96), and the axis of the magnet B (6) is aligned with the axis of the magnet A (5); at this time, the tail plug (7) is limited by the blocking parts of the left handle body (8) and the right handle body (9).

6. The screwless locking structure according to claim 1, characterized in that: When the unlocking hole (23) is toggled toward the tail plug (7), the spherical ends (31, 41) of the left bumper (3) and the right bumper (4) of the slide lock assembly module slide from the left first stop groove (83) and the right first stop groove (93) to the left second stop groove (84) and the right second stop groove (94) respectively; at the same time, the tail plug (7) equipped with the magnet B (6) generates suction force on the slide lock assembly module. Under the action of the suction force and the external force, the end of the slide lock block (2) close to the installation groove (24) is inserted into the resisting groove (74) to form upper and lower limit positions; the inner walls of the left guide groove (86) and the right guide groove (96) form front and rear, left and right limit positions for the left boss (72) and the right boss (73), thereby completing the screwless locking of the left handle body (8) and the right handle body (9); the opposite force can realize the unlocking of the left handle body (8) and the right handle body (9).

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