A magnetic installation type cutter head structure and a hair clipper

Abstract

The utility model relates to hair clipper technical field discloses a kind of magnetic attraction type installation's cutter head structure and hair clipper, including detachably connected shell and cutter head assembly, installation groove for installing cutter head assembly is provided on shell, the side of cutter head assembly close to shell is provided with guide boss, guide groove corresponding with guide boss is provided on shell, first magnetic attraction piece is inlayed and set on guide boss, second magnetic attraction piece is arranged in guide groove, first magnetic attraction piece can be magnetically attracted with second magnetic attraction piece;When assembling, cutter head assembly is loaded into installation groove.The utility model realizes cutter head assembly magnetic attraction type installation by first magnetic attraction piece and second magnetic attraction piece, cutter head assembly is easy to disassemble and assemble, and cutter head assembly maintenance, cleaning are facilitated;And by guide boss and guide groove cooperation, cutter head assembly is guided into installation position when assembling, and assembly is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of hair trimmer technology, and more specifically, to a magnetically mounted blade structure and a hair trimmer. Background Technology

[0002] After use, existing hair trimmers (such as electric clippers) will inevitably leave some loose hair adhering to or accumulating on the inside and outside of the blade assembly. To prevent this loose hair from affecting the subsequent use of the blade assembly and reducing its trimming efficiency and effect, hair clippers are usually cleaned with a brush after use to remove the loose hair from the blade assembly.

[0003] Some existing hair trimmers typically use bolts or similar methods to fix the trimmer head to the housing. This makes it difficult to disassemble and assemble the trimmer head, and it is inconvenient to remove the trimmer head for cleaning, maintenance, or other tasks, resulting in a poor user experience. Utility Model Content

[0004] To address at least one of the aforementioned problems, this invention provides a magnetically mounted cutter head structure, comprising a detachably connected housing and a cutter head assembly. The housing has a mounting groove for mounting the cutter head assembly. A guide protrusion is provided on the side of the cutter head assembly near the housing. The housing has a guide groove corresponding to the guide protrusion. A first magnetic element is embedded in the guide protrusion, and a second magnetic element is disposed in the guide groove. The first magnetic element and the second magnetic element are magnetically attracted. During assembly, the cutter head assembly is inserted into the mounting groove, the guide protrusion is guided into the guide groove, and the first and second magnetic elements are magnetically attracted to position the cutter head assembly within the mounting groove. This invention achieves magnetic mounting of the cutter head assembly through the first and second magnetic elements, making the cutter head assembly easy to assemble and disassemble, facilitating maintenance and cleaning. Furthermore, the cooperation between the guide protrusion and the guide groove facilitates the insertion of the cutter head assembly into the mounting position during assembly, making assembly convenient.

[0005] Optionally, two guide protrusions are symmetrically arranged, and two guide grooves are symmetrically arranged and correspond one-to-one with the guide protrusions.

[0006] Optionally, the guide protrusion is provided with a first inclined surface and a second inclined surface, the guide groove is provided with a groove wall, the groove wall includes a first groove wall and a second groove wall, the first magnetic suction member is embedded in the first inclined surface, and the second magnetic suction member is embedded in the first groove wall; during assembly, the first inclined surface is parallel to the first groove wall, and the second inclined surface is parallel to the second groove wall.

[0007] Optionally, the first inclined plane and the second inclined plane are perpendicular to each other, and the first groove wall and the second groove wall are perpendicular to each other.

[0008] Optionally, the cutter head assembly has a flat surface on the side away from the housing, and the first inclined surface forms an angle with the flat surface, the angle being 30°-50°.

[0009] Optionally, both the first magnetic attractor and the second magnetic attractor are magnets; or the first magnetic attractor is a magnet and the second magnetic attractor is an iron component; or the first magnetic attractor is an iron component and the second magnetic attractor is a magnet.

[0010] Optionally, a first buckle is provided on one side of the cutter head assembly, and a first slot is provided on the housing to engage with the first buckle.

[0011] Optionally, the cutter head assembly includes a cutter head housing, and a mounting block is provided on the side of the cutter head housing near the housing. A limiting rib is provided on the outer wall of the mounting block, and a guide slope is provided at one end of the limiting rib. During assembly, the mounting block is placed inside the mounting groove, and the limiting rib abuts against the inner wall of the mounting groove.

[0012] Optionally, the cutter head assembly is detachably provided with a limiting comb, and the cutter head assembly also includes a fixed blade. The limiting comb is provided with a sliding groove for sliding engagement with the fixed blade. The limiting comb is provided with an elastically deformable elastic strip. A second buckle is provided at the end of the elastic strip away from the limiting comb. The cutter head assembly is provided with a second slot for movably engaging with the second buckle. A lever is provided on the elastic strip for driving the second buckle out of the second slot. An arc-shaped portion is provided at the connection between the elastic strip and the limiting comb.

[0013] Compared to existing technologies, the magnetically installed cutter head structure of this invention achieves magnetic installation of the cutter head assembly through a first magnetic component and a second magnetic component. This makes the cutter head assembly easy to assemble and disassemble, facilitating maintenance and cleaning. Furthermore, the guide protrusion and guide groove facilitate the insertion of the cutter head assembly into the installation position during assembly, simplifying the process. During assembly, the first inclined surface and the first groove wall act as guides, guiding the guide protrusion smoothly into the guide groove, reducing alignment difficulties. The cooperation between the second inclined surface and the second groove wall further constrains the final position of the cutter head assembly. The first and second magnetic components generate an attractive force when they approach each other, helping the cutter head automatically correct its position, achieving successful installation and improving the user experience.

[0014] In addition, this utility model also provides a hair trimmer, including the above-mentioned magnetically mounted blade structure. This hair trimmer also has the same beneficial effects of the above-mentioned magnetically mounted blade structure, which will not be described in detail here. Attached Figure Description

[0015] Figure 1 This is a perspective view of the magnetically mounted cutter head structure of this utility model.

[0016] Figure 2 This is a schematic diagram of the magnetically mounted cutter head structure of this utility model when the cutter head assembly is separated from the housing.

[0017] Figure 3 This is a cross-sectional view of the magnetically mounted cutter head structure of this utility model.

[0018] Figure 4 This is a schematic diagram of the magnetically mounted cutter head assembly of this utility model.

[0019] Figure 5 For this Figure 4 Enlarged view of section B;

[0020] Figure 6 This is a schematic diagram of the magnetically mounted cutter head housing of this utility model.

[0021] Figure 7 for Figure 6 Enlarged view of section C;

[0022] Figure 8 This is a schematic diagram of the structure of the magnetically mounted cutter head limiting comb during disassembly.

[0023] The component names corresponding to the various reference numerals in the figure are as follows: 1 is the housing, 101 is the mounting groove, 102 is the first slot, 2 is the cutter head assembly, 201 is the plane, 202 is the first buckle, 203 is the second slot, 20 is the mounting block, 21 is the cutter head shell, 22 is the fixed cutter, 23 is the limiting rib, 24 is the guide slope, 3 is the guide protrusion, 301 is the first slope, 302 is the second slope, 31 is the first magnetic suction component, 4 is the guide groove, 41 is the groove wall, 411 is the first groove wall, 412 is the second groove wall, 42 is the second magnetic suction component, 5 is the limiting comb, 501 is the sliding groove, 502 is the elastic strip, 503 is the second buckle, 504 is the lever block, 505 is the arc-shaped part, and A is the included angle. Detailed Implementation

[0024] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0025] In the description of this utility model, it should be understood that the terms "upper" and "lower" indicate the orientation or positional relationship based on the orientation or positional relationship when the product is in normal use.

[0026] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature.

[0027] See Figures 1-8 This utility model provides a magnetically mounted cutter head structure, including a detachably connected housing 1 and a cutter head assembly 2. The housing 1 is provided with a mounting groove 101 for mounting the cutter head assembly 2. A guide protrusion 3 is provided on the side of the cutter head assembly 2 near the housing 1. The housing 1 is provided with a guide groove 4 corresponding to the guide protrusion 3. A first magnetic attractor 31 is embedded in the guide protrusion 3, and a second magnetic attractor 42 is provided in the guide groove 4. The first magnetic attractor 31 and the second magnetic attractor 42 can be magnetically attracted. During assembly, the cutter head assembly 2 is inserted into the mounting groove 101, the guide protrusion 3 is guided into the guide groove 4, and the first magnetic attractor 31 and the second magnetic attractor 42 are magnetically attracted to position the cutter head assembly 2 in the mounting groove 101. This utility model achieves magnetic mounting of the cutter head assembly through the first and second magnetic attractors, making it easy to disassemble and assemble the cutter head assembly, facilitating its maintenance and cleaning. Furthermore, the cooperation between the guide protrusion and the guide groove facilitates the insertion of the cutter head assembly into the mounting position during assembly, making assembly convenient.

[0028] Specifically, in this structure, the guide protrusion 3 and guide groove 4 cooperate to increase the stability of the housing 1 and the cutter head assembly 2 after assembly, making it less prone to relative displacement. Furthermore, by embedding a first magnetic 31 in the guide protrusion 3 and a second magnetic 42 in the groove wall of the guide groove 4, magnetic assembly of the housing 1 and the cutter head assembly 2 is achieved, making assembly and disassembly more convenient. The use of the structure of the guide protrusion 3 and guide groove 4 to set two magnetic assemblies results in a compact and ingenious design. (See reference...) Figure 3 This state is the state after the cutter head assembly is imported into the installation position, that is, the state after the cutter head assembly is installed in place.

[0029] See Figure 1 and Figure 2 There are two symmetrical guide protrusions 3 and two symmetrical guide grooves 4, which correspond one-to-one with the guide protrusions 3, making the cutter head assembly 2 more stable.

[0030] See Figures 4-7The guide protrusion 3 is provided with a first inclined surface 301 and a second inclined surface 302. The guide groove 4 is provided with a groove wall 41, which includes a first groove wall 411 and a second groove wall 412. The first magnetic suction member 31 is embedded in the first inclined surface 301, and the second magnetic suction member 42 is embedded in the first groove wall 411. During assembly, the first inclined surface 301 is parallel to the first groove wall 411, and the second inclined surface 302 is parallel to the second groove wall 412. The two parallel surfaces play a guiding role, which facilitates the guidance of the cutter head assembly 2 to the final installation position. During assembly, the first inclined surface 301 and the first groove wall 411 play a guiding role, guiding the guide protrusion 3 to slide smoothly into the guide groove 4, reducing the difficulty of alignment. The cooperation between the second inclined surface 302 and the second groove wall 412 further constrains the final position of the cutter head assembly 2. The first magnetic suction member 31 and the second magnetic suction member 42 generate an adsorption force when they are close to each other, which helps the cutter head to automatically correct its position, realize installation, and improve the user experience.

[0031] Specifically, the first magnetic chuck 31 is flush with or recessed in the first inclined surface 301, and the second magnetic chuck 42 is flush with or recessed in the first groove wall 411, so as to avoid the first magnetic chuck 31 and the second magnetic chuck 42 protruding outward and interfering with the assembly process, making the assembly smoother.

[0032] See Figures 3-7 The first inclined plane 301 and the second inclined plane 302 are perpendicular to each other, and the first groove wall 411 and the second groove wall 412 are perpendicular to each other; the two pairs of perpendicular inclined planes form an "L-shaped" constraint, which restricts the displacement of the cutter head assembly 2 during assembly.

[0033] See Figures 1-3 The cutter head assembly 2 has a plane 201 on the side away from the housing 1. An angle A is formed between the first inclined plane 301 and the plane 201, with the angle A being 30°-50°. This allows the magnetic force between the first magnetic attractor 31 and the second magnetic attractor 42 to constrain the cutter head assembly 2 in both the horizontal and vertical directions, preventing displacement and ensuring stable assembly. In this embodiment, the angle A is 34 degrees, which increases the vertical magnetic attraction force, making it less likely for the cutter head assembly 2 to accidentally detach from the housing 1 in the vertical direction, ensuring reliable operation. The Z-axis direction or the opposite direction of the Z-axis is vertical, while the X-axis and Y-axis directions are both horizontal. Both the first magnetic attractor 31 and the second magnetic attractor 42 are magnets; or the first magnetic attractor 31 is a magnet and the second magnetic attractor 42 is an iron piece; or the first magnetic attractor 31 is an iron piece and the second magnetic attractor 42 is a magnet. In this embodiment, both the first magnetic attractor 31 and the second magnetic attractor 42 are magnets, and their opposite poles are opposite, resulting in strong magnetic attraction and stable assembly.

[0034] See Figure 1 , Figure 4 and Figure 6The cutter head assembly 2 has a first buckle 202 on one side, and the housing 1 has a first slot 102 that engages with the first buckle 202. During assembly, the first buckle 202 is first inserted into the first slot 102, and then the cutter head assembly 2 is assembled into the housing 1. The first buckle 202 and the first slot 102 cooperate to make the cutter head assembly 2 more securely assembled.

[0035] See Figure 1 , Figure 2 , Figure 5 and Figure 6 The cutter head assembly 2 includes a cutter head housing 21. A mounting block 20 is provided on the side of the cutter head housing 21 near the housing 1. A limiting rib 23 is provided on the outer wall of the mounting block 20, and a guide slope 24 is provided at one end of the limiting rib 23. During assembly, the mounting block 20 is placed inside the mounting groove 101 for limiting, so that the cutter head assembly 2 is not easy to move relative to the housing 1 in the horizontal direction, and the assembly is stable. The limiting rib 23 abuts against the inner wall of the mounting groove 101, so that the cutter head assembly 2 and the housing 1 are not easy to shake in the horizontal direction, thus improving the structural stability. The guide slope 24 can facilitate the guiding of the limiting rib 23 into the inner side of the mounting groove 101 and abut against the inner wall of the mounting groove 101 for limiting, thus reducing the assembly difficulty.

[0036] See Figure 1 and Figure 8 The blade assembly 2 is detachably equipped with a limiting comb 5, which is a detachable auxiliary accessory whose core function is to control the cutting length and ensure that the hair is cut to a preset uniform size. The blade assembly 2 also includes a fixed blade 22. The limiting comb 5 is provided with a sliding groove 501 for sliding engagement with the fixed blade 22. The limiting comb 5 is provided with an elastically deformable elastic strip 502. A second buckle 503 is provided at the end of the elastic strip 502 away from the limiting comb 5. The blade assembly 2 is provided with a second locking groove 203 for movably engaging with the second buckle 503. The elastic strip 502 is provided with a lever 504 for driving the second buckle 503 out of the second locking groove 203. The connection between the elastic strip 502 and the limiting comb 5 is provided with... The curved section 505 makes the elastic strip 502 bend more evenly (the transition of the curved surface is smoother), avoids stress concentration, is not easy to break, and extends service life. When installing the limiting comb 5, first slide the limiting comb 5 onto the upper side of the fixed knife 22. At this time, the fixed knife 22 slides into the slide groove 501, and the elastic strip 502 bends upward. When the limiting comb 5 is installed in place, the elastic strip 502 restores its elastic deformation and drives the second buckle 503 to be engaged into the second slot 203. The limiting comb 5 is installed firmly and conveniently. When disassembling the limiting comb 5, manually move the lever 504 to make the second buckle 503 disengage from the second slot 203. At this time, the limiting comb 5 can slide out of the fixed knife 22 to complete the disassembly. The operation is convenient.

[0037] The magnetically installed cutter head structure of this invention achieves magnetic installation of the cutter head assembly through a first magnetic component and a second magnetic component. This makes the cutter head assembly easy to assemble and disassemble, facilitating maintenance and cleaning. Furthermore, the cooperation between the guide protrusion and the guide groove prevents the cutter head assembly from wobbling relative to the housing after assembly, ensuring stable assembly and improving product stability during operation. During assembly, the first inclined surface and the first groove wall act as guides, smoothly guiding the guide protrusion into the guide groove, reducing alignment difficulty. The cooperation between the second inclined surface and the second groove wall further constrains the final position of the cutter head assembly. The first and second magnetic components generate an attractive force when they approach each other, helping the cutter head automatically correct its position, achieving installation and improving the user experience.

[0038] In addition, this utility model also provides a hair trimmer, including the above-mentioned magnetically mounted blade structure. This hair trimmer also has the same beneficial effects of the above-mentioned magnetically mounted blade structure, which will not be described in detail here.

[0039] In the description of this disclosure, it should be understood that the terms "upper", "lower", "bottom", "inner", "outer", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this disclosure and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this disclosure.

[0040] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include at least one of that feature. In the description of this disclosure, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0041] In this disclosure, unless otherwise expressly specified and limited, the terms "installation," "connection," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances.

[0042] In this disclosure, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first feature or in indirect contact with the first feature through an intermediate medium.

[0043] It should be noted that when a component is described as being "set on" another component, it can be directly on the other component or there may be an intervening component. When a component is described as "connected to another component," it can be directly connected to the other component or there may be an intervening component. Furthermore, when a component is described as being "fixedly connected" to another component, the connection can be detachable or non-detachable, such as through socketing, snap-fitting, integral molding, welding, etc., which are achievable in conventional technologies and will not be elaborated upon here.

[0044] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

Claims

1. A magnetically mounted cutter head structure, characterized in that, The device includes a detachably connected housing (1) and a cutting head assembly (2). The housing (1) is provided with a mounting groove (101) for mounting the cutting head assembly (2). The cutting head assembly (2) is provided with a guide protrusion (3) on the side near the housing (1). The housing (1) is provided with a guide groove (4) corresponding to the guide protrusion (3). A first magnetic attractor (31) is embedded in the guide protrusion (3). A second magnetic attractor (42) is provided in the guide groove (4). The first magnetic attractor (31) can be magnetically attracted to the second magnetic attractor (42). During assembly, the cutting head assembly (2) is inserted into the mounting groove (101), the guide protrusion (3) is guided into the guide groove (4), and the first magnetic attractor (31) and the second magnetic attractor (42) are magnetically attracted to each other so that the cutting head assembly (2) is positioned in the mounting groove (101).

2. The magnetically mounted cutter head structure according to claim 1, characterized in that, Two guide protrusions (3) are symmetrically arranged, and two guide grooves (4) are symmetrically arranged and correspond one-to-one with the guide protrusions (3).

3. The magnetically mounted cutter head structure according to claim 1, characterized in that, The guide protrusion (3) is provided with a first inclined surface (301) and a second inclined surface (302), and the guide groove (4) is provided with a groove wall (41). The groove wall (41) includes a first groove wall (411) and a second groove wall (412). The first magnetic suction member (31) is embedded in the first inclined surface (301), and the second magnetic suction member (42) is embedded in the first groove wall (411). During assembly, the first inclined surface (301) is parallel to the first groove wall (411), and the second inclined surface (302) is parallel to the second groove wall (412).

4. The magnetically mounted cutter head structure according to claim 3, characterized in that, The first inclined plane (301) and the second inclined plane (302) are perpendicular to each other, and the first groove wall (411) and the second groove wall (412) are perpendicular to each other.

5. The magnetically mounted cutter head structure according to claim 3, characterized in that, The blade assembly (2) has a plane (201) on the side away from the housing (1), and the first inclined surface (301) forms an angle (A) with the plane (201), the angle (A) being 30°-50°.

6. The magnetically mounted cutter head structure according to claim 1, characterized in that, Both the first magnetic attractor (31) and the second magnetic attractor (42) are magnets; or the first magnetic attractor (31) is a magnet and the second magnetic attractor (42) is an iron piece; or the first magnetic attractor (31) is an iron piece and the second magnetic attractor (42) is a magnet.

7. The magnetically mounted cutter head structure according to claim 1, characterized in that, The blade assembly (2) is provided with a first buckle (202) on one side, and the housing (1) is provided with a first slot (102) that engages with the first buckle (202).

8. The magnetically mounted cutter head structure according to claim 1, characterized in that, The cutter head assembly (2) includes a cutter head shell (21). A mounting block (20) is provided on the side of the cutter head shell (21) near the housing (1). A limiting rib (23) is provided on the outer wall of the mounting block (20). A guide slope (24) is provided at one end of the limiting rib (23). During assembly, the mounting block (20) is placed inside the mounting groove (101), and the limiting rib (23) abuts against the inner wall of the mounting groove (101).

9. The magnetically mounted cutter head structure according to any one of claims 1-8, characterized in that, The cutter head assembly (2) is detachably provided with a limiting comb (5). The cutter head assembly (2) also includes a fixed blade (22). The limiting comb (5) is provided with a sliding groove (501) for sliding engagement with the fixed blade (22). The limiting comb (5) is provided with an elastic strip (502) that can be elastically deformed. A second buckle (503) is provided at one end of the elastic strip (502) away from the limiting comb (5). The cutter head assembly (2) is provided with a second slot (203) for movably engaging with the second buckle (503). A lever (504) is provided on the elastic strip (502) for driving the second buckle (503) to disengage from the second slot (203). An arc-shaped part (505) is provided at the connection between the elastic strip (502) and the limiting comb (5).

10. A hair trimmer, characterized in that, Includes the magnetically mounted cutter head structure as described in any one of claims 1-9.

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