Head floating structure of an electric shaver

Abstract

The present application relates to the field of electric shaver, in particular to a head floating structure of electric shaver, comprising: a shaver body, the top of the shaver body is provided with a limiting mechanism. The output end of the servo motor drives the threaded rod to rotate, so that the threaded rod drives the threaded ring to move outward, the threaded ring drives the connecting block to move outward to adjust, at the same time, the connecting block drives the movable plate to move outward, the movable plate drives the connecting piece to move outward through the first fixed seat, the connecting piece drives the movable rod to slide outward in the inner cavity of the limiting groove, the connecting piece drives the extrusion block to move outward through the second fixed seat, and the outer ring of the floating structure is extruded outward. Since the outer side of the outer ring of the floating structure is in contact with the inner side of the extrusion gasket, the extrusion block and the extrusion gasket firmly clamp the outer ring of the floating structure to prevent it from shaking, thereby avoiding the damage caused by the mutual extrusion and friction between the floating structure and the internal structure of the cutter head.

Description

Technical Field

[0001] This invention relates to the field of electric shavers, and in particular to a floating head structure for an electric shaver. Background Technology

[0002] Electric shavers are a subcategory of personal care small appliances. They generally consist of a stainless steel mesh cover, inner blades, a micro motor, and a housing. Driven by the micro motor, the inner blades cut the beard and hair that extend into the mesh cover.

[0003] Existing shavers with floating heads have a floating connection between the shaver head and the frame, with a spring or slat in the middle of the frame allowing the shaver head to float up and down. Some shavers also use a universal joint or spherical contact to achieve multi-directional shaver head movement, allowing the shaver head to better conform to the contours of the face.

[0004] Traditional floating shavers use a snap-fit ​​internal floating structure that is limited by the gap between the shaver head and the blade. This limiting method is not tight or stable enough, which can cause the floating structure to shake up and down during shaving. This can lead to excessive friction and pressure on the floating structure, causing damage and greatly reducing the lifespan of the shaver head.

[0005] To address this issue, we propose a floating head structure for an electric shaver. Summary of the Invention

[0006] The purpose of this invention is to provide a floating head structure for an electric shaver to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution:

[0008] A floating head structure for an electric shaver includes: a shaver body, a limiting mechanism installed on the top of the shaver body, the limiting mechanism including a head shell and a floating structure outer ring, mounting grooves at both the front and rear ends of the inner cavity of the head shell, a servo motor installed in the inner cavity of the rear mounting groove, a threaded rod fixedly connected to the output end of the servo motor, a fixing ring fixedly connected to the middle end of the outer surface of the threaded rod, threaded rings threadedly connected to the inner side of the outer surface of the fixing ring, connecting blocks fixedly connected to the left and right sides of the threaded ring, and a movable plate rotatably connected to the bottom of each connecting block;

[0009] A limiting platform is fixedly connected to the top of the inner cavity of the cutter head housing. A limiting groove is formed at the bottom of each limiting platform. A movable rod is movably connected to the inner side of each limiting groove. A connector is fixedly connected to the bottom of each movable rod. A first fixed seat is fixedly connected to the inner side of each connector. The outer side of each movable plate is rotatably connected to the first fixed seat. A second fixed seat is fixedly connected to the outer side of each connector. A pressing block is rotatably connected to the outer side of each second fixed seat. The inner side of each pressing block is in contact with the outer side of the outer ring of the floating structure.

[0010] In a further embodiment, the number of limiting platforms is four, and the limiting platforms are symmetrically arranged, with each limiting platform being triangular.

[0011] In a further embodiment, blade mesh limiting rings are snapped onto the left and right sides of the top of the inner cavity of the blade head housing, and blade mesh is fixedly connected to the top of each blade mesh limiting ring, and the blade mesh is made of stainless steel.

[0012] In a further embodiment, the number of limiting grooves is four, and the limiting grooves are symmetrically arranged, and the limiting grooves have a certain curvature.

[0013] In a further embodiment, the inner cavity of the outer ring of the floating structure is movably connected to the inner ring of the floating structure, and the middle of the bottom of the inner ring of the floating structure is provided with a cross-shaped insertion groove.

[0014] In a further embodiment, compression pads are fixedly connected to both the left and right sides of the inner cavity of the cutter head housing. The compression pads are arc-shaped, and the inner side of the compression pads is in contact with the outer surface of the outer ring of the floating structure.

[0015] In a further embodiment, the number of extrusion blocks is four, and the inner side of each extrusion block has a certain curvature, with the inner side of the extrusion block fitting against the outer surface of the outer ring of the floating structure.

[0016] In a further embodiment, magnets are fixedly connected to the four corners of the bottom of the blade head shell, and adsorption grooves are provided at the four corners of the top of the shaver body, with the magnets adsorbed into the inner cavity of the adsorption grooves.

[0017] In a further embodiment, a power button is provided at the center of the front of the shaver body, rotating heads are provided on both the left and right sides of the top of the shaver body, and a charging hole is provided at the center of the bottom of the shaver body, with a waterproof sealing ring provided inside the charging hole.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] Firstly, in this invention, the output end of the servo motor drives the threaded rod to rotate, thereby causing the threaded rod to move the threaded ring outward. The threaded ring then drives the connecting block to move outward for adjustment. Simultaneously, the connecting block drives the movable plate to move outward. The movable plate, through the first fixed seat, drives the connecting member to move outward. The connecting member drives the movable rod to slide outward within the inner cavity of the limiting groove. The connecting member, through the second fixed seat, drives the extrusion block to move outward, extruding the outer ring of the floating structure outward. Since the outer side of the floating structure's outer ring is in contact with the inner side of the extrusion pad, the extrusion block and the extrusion pad firmly clamp the outer ring of the floating structure to prevent it from shaking, thereby avoiding damage caused by mutual extrusion and friction between the floating structure and the internal structure of the cutter head.

[0020] Secondly, in this invention, the razor head shell and the razor body are separable. Four magnets are respectively set at the four corners of the bottom of the razor head shell, and four adsorption grooves are respectively opened at the four corners of the top of the razor body. The magnets correspond to the adsorption grooves and can be directly inserted into the inner cavity of the adsorption grooves to be attracted. The rotating head automatically inserts into the inner cavity of the insertion groove. To separate the razor head shell and the razor body, only a little force is needed to pry them apart. Furthermore, a waterproof structure is set in the inner cavity of the charging port to prevent water from entering the inner cavity of the razor body, thereby preventing short circuit damage to the internal electronic components. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the floating head structure of an electric shaver.

[0022] Figure 2 In this invention Figure 1 Enlarged structural diagram at point A;

[0023] Figure 3 This is a schematic diagram of the internal structure of the cutter head shell in this invention;

[0024] Figure 4 In this invention Figure 3 Enlarged structural diagram at point B;

[0025] Figure 5 This is a schematic diagram of the limiting groove in the present invention;

[0026] Figure 6 This is a schematic diagram of the structure of the razor body and the blade head shell in the combined state of the present invention;

[0027] Figure 7 This is a schematic diagram of the structure of the present invention without the cutter head housing;

[0028] Figure 8 This is a schematic diagram of the razor body in this invention, viewed from below.

[0029] In the diagram: 1. Shaver body; 2. Power button; 3. Limiting mechanism; 301. Insertion groove; 302. Inner ring of floating structure; 303. Extrusion block; 304. Servo motor; 305. Outer ring of floating structure; 306. Extrusion pad; 307. Magnet block; 308. Movable plate; 309. Fixing ring; 310. Threaded ring; 311. Threaded rod; 312. Connecting block; 313. Shaver head shell; 314. First fixing seat; 315. Second fixing seat; 316. Connector; 317. Limiting groove; 318. Movable rod; 319. Mounting groove; 320. Blade screen limiting ring; 321. Limiting platform; 4. Blade screen; 5. Rotating head; 6. Adsorption groove; 7. Charging port. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Please see Figures 1-8 In this embodiment of the invention, a floating head structure for an electric shaver includes: a shaver body 1, a limiting mechanism 3 installed on the top of the shaver body 1, the limiting mechanism 3 including a shaver head shell 313 and a floating structure outer ring 305, mounting grooves 319 are provided at both the front and rear ends of the inner cavity of the shaver head shell 313, a servo motor 304 is installed in the inner cavity of the rear mounting groove 319, a threaded rod 311 is fixedly connected to the output end of the servo motor 304, a fixing ring 309 is fixedly connected to the middle end of the outer surface of the threaded rod 311, threaded rings 310 are threadedly connected to the inner side of the outer surface of the fixing ring 309, connecting blocks 312 are fixedly connected to the left and right sides of the threaded rings 310, and movable plates 308 are rotatably connected to the bottom of the connecting blocks 312;

[0032] A limiting platform 321 is fixedly connected to the top of the inner cavity of the cutter head housing 313. A limiting groove 317 is opened at the bottom of the limiting platform 321. A movable rod 318 is movably connected to the inner side of the inner cavity of the limiting groove 317. A connector 316 is fixedly connected to the bottom of the movable rod 318. A first fixed seat 314 is fixedly connected to the inner side of the connector 316. The outer side of the movable plate 308 is rotatably connected to the first fixed seat 314. A second fixed seat 315 is fixedly connected to the outer side of the connector 316. A pressing block 303 is rotatably connected to the outer side of the second fixed seat 315. The inner side of the pressing block 303 is in contact with the outer side of the outer ring 305 of the floating structure.

[0033] In this invention, the output end of the servo motor 304 first drives the threaded rod 311 to rotate, thereby causing the threaded rod 311 to drive the threaded ring 310 to move outward. The threaded ring 310 drives the connecting block 312 to move outward for adjustment. At the same time, the connecting block 312 drives the movable plate 308 to move outward. The movable plate 308 drives the connecting piece 316 to move outward through the first fixed seat 314. The connecting piece 316 drives the movable rod 318 to slide outward in the inner cavity of the limiting groove 317. The connecting piece 316 drives the pressing block 303 to move outward through the second fixed seat 315, pressing the floating structure outer ring 305 outward. Since the outer side of the floating structure outer ring 305 is in contact with the inner side of the pressing pad 306, the pressing block 303 and the pressing pad 306 firmly clamp the floating structure outer ring 305 to prevent it from shaking.

[0034] Specifically, there are four limit platforms 321, and the limit platforms 321 are symmetrically arranged and are triangular in shape.

[0035] Specifically, the top of the inner cavity of the cutter head housing 313 is fitted with cutter mesh limiting rings 320 on both the left and right sides, and the top of the cutter mesh limiting rings 320 is fixedly connected with a cutter mesh 4, which is made of stainless steel.

[0036] Specifically, there are four limiting grooves 317, and the limiting grooves 317 are symmetrically arranged and have a certain curvature.

[0037] Specifically, the inner cavity of the outer ring 305 of the floating structure is movably connected to the inner ring 302 of the floating structure. The middle of the bottom of the inner ring 302 of the floating structure is provided with a insertion groove 301, and the insertion groove 301 is cross-shaped.

[0038] Specifically, compression pads 306 are fixedly connected to both sides of the inner cavity of the cutter head housing 313. The compression pads 306 are arc-shaped, and the inner side of the compression pads 306 is in contact with the outer surface of the outer ring 305 of the floating structure.

[0039] Specifically, there are four extrusion blocks 303, and the inner side of each extrusion block 303 has a certain curvature. The inner side of the extrusion block 303 is in contact with the outer surface of the outer ring 305 of the floating structure.

[0040] Specifically, magnets 307 are fixedly connected to the four corners of the bottom of the blade housing 313, and adsorption grooves 6 are opened at the four corners of the top of the shaver body 1, and the magnets 307 are adsorbed into the inner cavity of the adsorption grooves 6.

[0041] Specifically, a power button 2 is located in the middle of the front of the shaver body 1, rotating heads 5 are located on the left and right sides of the top of the shaver body 1, and a charging hole 7 is located in the middle of the bottom of the shaver body 1. A waterproof sealing ring is installed inside the charging hole 7.

[0042] In this invention, the blade head housing 313 and the shaver body 1 are separable. Four magnet blocks 307 are respectively provided at the four corners of the bottom of the blade head housing 313, and four adsorption grooves 6 are respectively provided at the four corners of the top of the shaver body 1. The magnet blocks 307 correspond to the adsorption grooves 6, and the magnet blocks 307 can be directly inserted into the inner cavity of the adsorption groove 6 and adsorbed therewith. The rotating head 5 automatically inserts into the inner cavity of the insertion groove 301. To separate the blade head housing 313 and the shaver body 1, only a little force is needed to pry them apart. Furthermore, a waterproof structure is provided in the inner cavity of the charging port 7 to prevent water from entering the inner cavity of the shaver body 1, thereby preventing short circuit damage to the internal electronic components.

[0043] The working principle of this invention is as follows: First, the side of the cutter head housing 313 with the magnet block 307 faces upward. Then, the cutter mesh limiting ring 320 with the cutter mesh 4 is placed on the left and right sides of the inner surface of the cutter head housing 313, so that the cutter mesh limiting ring 320 contacts the top of the cutter head housing 313. Then, the floating structure outer ring 305 is placed on top of the cutter mesh limiting ring 320, so that the two floating structure outer rings 305 are placed inside the extrusion pad 306, and the outer side of the floating structure outer ring 305 is in close contact with the inner side of the extrusion pad 306. At this time, after the servo motor 304 is turned on, the output end of the servo motor 304 drives the threaded rod 311 to rotate. The threaded rod 311 drives the threaded ring 310 to move outward on its outer surface. The threaded ring 310 drives the inner end of the movable plate 308 to move outward through the connecting block 312. The movable plate 308 drives the first fixed seat 314 to move the connecting piece 316 outward for adjustment. The connecting piece 316 drives the movable rod 318 to move outward in the inner cavity of the limiting groove 317. The movable rod 318 drives the second fixed seat 315 to move inward through the connecting piece 316. The second fixed seat 315 drives the pressing block 303 to move inward to press the floating structure outer ring 305 outward, so that the outer side of the floating structure outer ring 305 is pressed against the inner side of the pressing pad 306, thus fixing the floating structure outer ring 305. However, the floating structure inner ring 302 inside the floating structure outer ring 305 is not interfered with and does not affect the up and down floating operation of the floating structure inner ring 302. Then, the magnet 307 is turned downward so that it is inserted into the inner cavity of the adsorption groove 6 to fix the blade shell 313 above the shaver body 1.

[0044] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A floating head structure for an electric shaver, characterized in that, include: The shaver body (1) has a limiting mechanism (3) installed on its top. The limiting mechanism (3) includes a blade head shell (313) and a floating structure outer ring (305). The blade head shell (313) has mounting grooves (319) at both ends of the inner cavity. The mounting groove (319) at the rear end is equipped with a servo motor (304). The output end of the servo motor (304) is fixedly connected to a threaded rod (311). The middle end of the outer surface of the threaded rod (311) is fixedly connected to a fixing ring (309). The inner side of the outer surface of the fixing ring (309) is threadedly connected to a threaded ring (310). The left and right sides of the threaded ring (310) are fixedly connected to connecting blocks (312). The bottom of the connecting blocks (312) is rotatably connected to a movable plate (308). The top of the inner cavity of the cutter head housing (313) is fixedly connected to a limiting platform (321). The bottom of the limiting platform (321) is provided with a limiting groove (317). The inner side of the inner cavity of the limiting groove (317) is movably connected to a movable rod (318). The bottom of the movable rod (318) is fixedly connected to a connector (316). The inner side of the connector (316) is fixedly connected to a first fixed seat (314). The outer side of the movable plate (308) is rotatably connected to the first fixed seat (314). The outer side of the connector (316) is fixedly connected to a second fixed seat (315). The outer side of the second fixed seat (315) is rotatably connected to a pressing block (303). The inner side of the pressing block (303) is in contact with the outer side of the outer ring (305) of the floating structure.

2. The floating head structure of an electric shaver according to claim 1, characterized in that, The number of the limiting platforms (321) is four, and the limiting platforms (321) are symmetrically arranged, and the limiting platforms (321) are triangular.

3. The floating head structure of an electric shaver according to claim 1, characterized in that, Both sides of the top of the inner cavity of the cutter head shell (313) are fitted with cutter mesh limiting rings (320), and the top of the cutter mesh limiting rings (320) is fixedly connected with a cutter mesh (4), and the cutter mesh (4) is made of stainless steel.

4. The floating head structure of an electric shaver according to claim 1, characterized in that, The number of the limiting grooves (317) is four, and the limiting grooves (317) are symmetrically arranged. The limiting grooves (317) have a certain curvature.

5. The floating head structure of an electric shaver according to claim 1, characterized in that, The inner cavity of the outer ring (305) of the floating structure is movably connected to the inner ring (302) of the floating structure. The middle of the bottom of the inner ring (302) of the floating structure is provided with a insertion groove (301), and the insertion groove (301) is cross-shaped.

6. The floating head structure of an electric shaver according to claim 1, characterized in that, The left and right sides of the inner cavity of the cutter head housing (313) are fixedly connected with extrusion pads (306). The extrusion pads (306) are arc-shaped, and the inner side of the extrusion pads (306) is in contact with the outer surface of the floating structure outer ring (305).

7. The floating head structure of an electric shaver according to claim 1, characterized in that, The number of the extrusion blocks (303) is four, and the inner side of each extrusion block (303) has a certain curvature. The inner side of the extrusion block (303) is in contact with the outer surface of the outer ring (305) of the floating structure.

8. The floating head structure of an electric shaver according to claim 1, characterized in that, Magnet blocks (307) are fixedly connected to the four corners of the bottom of the blade head shell (313), and adsorption grooves (6) are opened at the four corners of the top of the shaver body (1). The magnet blocks (307) are adsorbed into the inner cavity of the adsorption grooves (6).

9. The floating head structure of an electric shaver according to claim 1, characterized in that, A power button (2) is provided at the center of the front of the shaver body (1). Rotating heads (5) are provided on both the left and right sides of the top of the shaver body (1). A charging hole (7) is provided at the center of the bottom of the shaver body (1). A waterproof sealing ring is provided in the inner cavity of the charging hole (7).

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