Rotary shaver net with integrally formed logo part

Abstract

The utility model discloses a rotary shaver net with an integrally formed logo portion, the logo portion integrally formed with a shaver net body is arranged in the middle of the net top of the shaver net body, a plurality of circles of concave spacing grooves are further arranged on the net top, the spacing grooves are arranged between two adjacent shaving tracks and / or between the logo portion and the shaving tracks, and the logo portion is arranged between the logo portion and the shaving tracks. And the net top is divided into a plurality of convex rings by the spacing grooves. The logo part and the net top of the knife net body are integrally formed, the structure is simple, an independent logo piece is avoided, and the production cost is reduced; the arrangement of the interval grooves is beneficial to bouncing the pressed hairs such as beards at the interval grooves when the net top moves close to the skin, so that the hair inlet rate is improved.

Description

[Technical field]

[0001] The utility model relates to a rotary shaver blade net with an integrally formed logo part. [Background technology]

[0002] The existing rotary shaver blade net is usually stamped, and the center positioning column needs to be stamped from the top downward, and a concave logo installation groove is formed on the top of the center positioning column to install the logo piece. The logo piece is usually a separate part, and after the text or pattern is printed or laser engraved on it, it is fixed in the logo installation groove by gluing. The logo piece needs to be manufactured separately, and the subsequent assembly production process increases the production cost of the rotary shaver blade net a lot.

[0003] The utility model is made based on this situation. [Utility Model Content]

[0004] The technical problem to be solved by the utility model is to provide a rotary shaver blade net with a simple structure and an integrally formed logo part.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] A rotary shaver blade net with an integrally formed logo portion comprises a blade net body, the blade net body is provided with an inner cavity, a logo portion integrally formed with the blade net body is provided in the middle of a net top of the blade net body, a center positioning column is provided on the bottom of the logo portion, the top of the center positioning column is closed by the logo portion, a plurality of annular shaving tracks are provided at the bottom of the net top, a hair inlet hole connected to the shaving tracks up and down is provided on the net top, a plurality of concave spacing grooves are provided on the net top, the spacing grooves are arranged between two adjacent shaving tracks and / or between the logo portion and the shaving track, and the spacing grooves separate the net top into a plurality of convex rings.

[0007] The rotary shaver blade with an integrally formed logo portion as described above, wherein the top surface of the convex ring and the top surface of the logo portion are curved surfaces and are located on the same spherical surface;

[0008] Or the convex ring and the logo portion are distributed along a spherical surface; wherein the top surface of the convex ring is a curved surface, and its curvature is greater than that of the spherical surface, and the top surface of the logo portion is a curved surface, and its curvature is greater than or equal to that of the spherical surface; or the top surface of the convex ring is a curved surface, and its curvature is equal to that of the spherical surface, and the top surface of the logo portion is a curved surface, and its curvature is greater than that of the spherical surface; or the convex ring is distributed along a spherical surface, the curvature of the top surface of the convex ring is greater than or equal to that of the spherical surface, and the top surface of the logo portion is a plane;

[0009] Alternatively, the convex ring and the logo portion are distributed along a plane.

[0010] In the rotary shaver blade net with an integrally formed logo portion as described above, a spacer bar is provided between two adjacent shaving tracks, and the bottom surface of the spacer bar is a plane.

[0011] As described above, the rotary shaver blade net with an integrally formed logo portion, the logo portion, the center positioning column, the net top and the blade net body are integrally formed by powder metallurgy.

[0012] Compared with the prior art, the utility model has the following advantages: the logo part is integrally formed with the mesh top of the blade mesh body, the structure is simple, the use of a separate logo piece is avoided, and the production cost is reduced; the spacing groove is conducive to the mesh top moving against the skin, and the pressed beard and other hairs bounce up at the spacing groove, thereby increasing the probability of hair entering the hair pores into the shaving track.

Brief Description of the Drawings

[0013] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings, wherein:

[0014] Figure 1 It is a top view of a rotary shaver blade with an integrally formed logo portion of the utility model;

[0015] Figure 2 is a schematic diagram of an embodiment in which the top surface of the convex ring and the top surface of the logo portion are flat;

[0016] Figure 3 It is a schematic diagram of an embodiment in which the top surface of the convex ring of the double convex ring knife net and the top surface of the logo part belong to the same spherical surface;

[0017] Figure 4 It is a schematic diagram of an embodiment in which the top surface of the convex ring of the three-convex ring knife net and the top surface of the logo part belong to the same spherical surface;

[0018] Figure 5 It is a schematic diagram of an embodiment in which the top surface of the convex ring belongs to the same spherical surface, and the top surface of the logo part is a plane;

[0019] Figure 6 It is a schematic diagram of an embodiment in which the top surface of the convex ring belongs to the same spherical surface, and the top surface of the logo portion is a curved surface with a curvature greater than the spherical surface;

[0020] Figure 7 It is a schematic diagram of an embodiment in which the top surface of the convex ring and the top surface of the logo portion are distributed along a spherical surface, and the top surface of the convex ring and the top surface of the logo portion are curved surfaces with a curvature greater than that of the spherical surface;

[0021] Figure 8It is a schematic diagram of an embodiment in which the top surface of the convex ring of the three-convex ring knife net and the top surface of the logo part are distributed along the spherical surface;

[0022] Fig. 9 It is a schematic diagram of an embodiment in which the top surface of the convex ring and the top surface of the logo portion are distributed along a spherical surface, the curvature of the top surface of the logo portion is equal to the spherical surface, and the curvature of the top surface of the convex ring is greater than the spherical surface;

[0023] Fig.10 is a schematic diagram of an embodiment in which a spacing groove is provided between two adjacent shaving tracks, and no spacing groove is provided between the logo portion and the shaving track;

[0024] Fig.11 is a schematic diagram of an embodiment in which a spacing groove is arranged between the logo portion and the shaving track;

[0025] Fig.12 is a schematic diagram of an embodiment in which the knife net body is a polygonal structure;

[0026] Fig.13 2 is a schematic diagram of an embodiment in which the blade net body is a flower-shaped structure;

[0027] Fig.14 Schematic diagram of an embodiment in which the bottom of the groove in the knife mesh blank is closed;

[0028] Fig.15 It is a schematic diagram of an embodiment in which the groove in the knife net blank is a through hole that passes through from top to bottom and the bottom of the groove is not closed. [Specific implementation method]

[0029] The utility model is further described below in conjunction with the accompanying drawings:

[0030] like Figures 1 to 13 A rotary shaver blade net with an integrally formed logo portion is shown, comprising a blade net body 1, wherein the blade net body 1 is provided with an inner cavity 2, and a logo portion 13 integrally formed with the blade net body 1 is provided in the middle of a net top 20 of the blade net body 1, a center positioning column 81 is provided on the bottom of the logo portion 13, and the top of the center positioning column 81 is closed by the logo portion 13, and the logo portion 13 is used for printing or laser engraving text or patterns. The logo portion 13 is integrally formed with the net top of the blade net body 1, has a simple structure, avoids the use of a separate logo sheet, and reduces production costs.

[0031] The bottom of the net top 20 is provided with a plurality of annular shaving tracks 6, the net top 20 is provided with hair inlet holes 4a connected to the shaving tracks 6 from top to bottom, and the net top 20 is provided with a plurality of concave spacing grooves 14, such as Figures 1 to 9 As shown, the spacing groove 14 is arranged between two adjacent shaving tracks 6 and between the logo portion 13 and the shaving track 6. Fig.10 As shown, the spacing groove 14 can also be arranged only between two adjacent shaving tracks 6, or as shown in Fig.11 As shown, the spacing groove 14 can also be only arranged between the logo part 13 and the shaving track 6. The spacing groove 14 separates the net top 20 into a plurality of convex rings 3. The spacing groove 14 facilitates the net top to move against the skin, and the pressed beard and other hairs bounce up at the spacing groove 14, thereby increasing the probability of hair entering the shaving track 6 from the hair inlet hole 4a.

[0032] Preferably, if Figures 2 to 6 , Figure 8 As shown, a spacer bar 15 is provided between two adjacent shaving tracks 6, and the bottom surface of the spacer bar 15 is a plane, which can be used as a bottom support to shape the hair inlet hole, the convex ring 3 and other positions.

[0033] like Figure 3 and Figure 4 In the illustrated embodiment, the top surface of the convex ring 3 and the top surface of the logo portion 13 are curved surfaces and are located on the same spherical surface S, which have good skin-fitting properties and improve skin feel.

[0034] like Figures 6 to 9 In the embodiment shown, the convex ring 3 and the logo portion 13 are distributed along the spherical surface S. Figure 7 , 8 As shown, the top surface of the convex ring 3 is a curved surface, and its curvature is greater than the spherical surface S, and the top surface of the logo portion 13 is a curved surface, and its curvature is greater than the spherical surface S; or as Fig. 9 As shown, the top surface of the convex ring 3 is a curved surface, and its curvature is greater than the spherical surface S, and the top surface of the logo part 13 is a curved surface, and its curvature is equal to the spherical surface S; the rotary shaver blade mesh has good skin-fitting performance, improves skin feel, and is easy to enter hair. Or as Figure 6 As shown, the top surface of the convex ring 3 is a curved surface, and its curvature is equal to the spherical surface S, the top surface of the logo part 13 is a curved surface, and its curvature is greater than the spherical surface S, and the rotary shaver blade mesh has good skin-fitting performance and improves skin feel.

[0035] Of course, you can also Figure 5 In the illustrated embodiment, the convex ring 3 is distributed along the spherical surface S, the curvature of the top surface of the convex ring 3 is greater than or equal to the spherical surface S, and the top surface of the logo portion 13 is a plane.

[0036] Or Figure 2 In the illustrated embodiment, the convex ring 3 and the logo portion 13 are distributed along a plane.

[0037] The logo part 13, the center positioning column 81, the mesh top 20 and the knife mesh body 1 are integrally formed by powder metallurgy, and the structure is simple.

[0038] The following is an embodiment of the powder metallurgy forming process of the knife net, which includes the following steps:

[0039] A. A raw material having stainless steel powder is injection molded by an injection molding machine to obtain a knife net blank, wherein the knife net blank comprises a knife net body 1, wherein the knife net body 1 has an inner cavity 2 with an opening facing downward, a plurality of downwardly concave grooves are integrally formed on the top of the knife net body 1, and a logo portion 13 is integrally formed in the middle of the top of the knife net body 1;

[0040] B. Put the knife mesh blank into the degreasing furnace for degreasing;

[0041] C. Put the degreased knife mesh blank into the sintering furnace for sintering;

[0042] D. heat-treating and hardening the sintered blade mesh blank. Preferably, the heat-treating and hardening process makes the hardness of the blade mesh blank reach 40HRC or above;

[0043] E. Part of the material is cut off from the bottom of the mesh top of the blade mesh body 1 to form a fixed blade surface 5, and at the same time, a shaving hole 4a communicating with each other is formed at the groove, and a shaving track 6 for the movable blade teeth to rotate is formed below the fixed blade surface 5.

[0044] In one embodiment, a raw material having stainless steel powder is prepared by mixing stainless steel powder and POM powder evenly and then manufacturing the mixed raw material into granules through a granulator, wherein the mass proportion of POM powder is 5% to 15%; the stainless steel powder can be selected from 440C stainless steel powder or 316 stainless steel powder or 420 stainless steel powder, the mass proportion of POM powder is 8%±2%, and the particle size of the stainless steel powder and the POM powder is less than 20μm, such as 3μm to 8μm.

[0045] Preferably, after the knife mesh blank is sintered, it can be shaped by a shaping mold and then heat treated so that the obtained knife mesh blank is closer to the design requirements. The shaped part can be only the positioning structure on the knife mesh blank used for cooperating with the outside for positioning, or the entire knife mesh blank can be shaped. When the entire knife mesh blank needs to be shaped, the shaping mold is designed according to the designed contour of the knife mesh blank.

[0046] Preferably, the outer diameter of the granules produced by the granulator is less than 5 mm; the degreasing temperature in step B is 100°C to 150°C, and oxalic acid is introduced into the degreasing furnace to vaporize the POM material in the knife mesh blank at high temperature and remove it, and the degreasing time is 6h to 10h.

[0047] Preferably, the sintering time in step C is 20h to 30h, wherein the maximum sintering temperature t is set between 1200°C and 1400°C, and preferably, the temperature is kept for 2-5h after the temperature is raised to the set maximum temperature t. In one embodiment, from the beginning to the end, the temperature ranges and times of the sintering are: sintering from room temperature to 900°C for 3-8h, sintering from 900°C to 1200°C for 2-6h, sintering from 1200°C to 1400°C for 2-5h, sintering from 1200°C to 1000°C for 0.5-5h, and sintering from 1000°C to room temperature for 8-15h. Of course, the sintering temperature range and sintering time can also be other set values.

[0048] Preferably, the heat treatment in step D is first quenching to make the hardness of the knife net blank reach 52HRC±3HRC, and then tempering to 45HRC±3HRC, which is conducive to processing and forming the knife net and making the structure of the obtained knife net stable.

[0049] Preferably, in the above step A, Fig.14 As shown, the bottom of the groove 4 is closed. In step C, the knife net blank obtained after sintering has a material thickness T1 of the closed part of the bottom of the groove 4 ≥ 0.2 mm, which is conducive to injection molding of the groove 4. The depth T2 of the groove 4 is ≥ 0.2 mm, which is conducive to processing the pores 4a while ensuring the thickness between the fixed knife surface 5 and the top surface of the net top. Fig.14 As shown by the dotted line L1, material is cut from the bottom of the mesh top of the knife mesh body 1 to the position L1, and the position L1 is located above the bottom of the groove 4, so that the groove is connected from top to bottom to form the pores.

[0050] Of course, you can also Fig.15 As shown, the groove 4 can also pass through the top of the net from top to bottom, and the bottom is not closed.

Claims

1. A rotary shaver blade with an integrally formed logo, characterized in that: The invention comprises a knife net body (1), wherein the knife net body (1) is provided with an inner cavity (2), a logo part (13) formed integrally with the knife net body (1) is provided in the middle of a net top (20) of the knife net body (1), a central positioning column (81) is provided at the bottom of the logo part (13), the top of the central positioning column (81) is closed by the logo part (13), a plurality of annular shaving tracks (6) are provided at the bottom of the net top (20), a hair inlet hole (4a) connected to the shaving tracks (6) from top to bottom is provided on the net top (20), a plurality of concave spacing grooves (14) are provided on the net top (20), the spacing grooves (14) are arranged between two adjacent shaving tracks (6), and / or between the logo part (13) and the shaving track (6), and the spacing grooves (14) separate the net top (20) into a plurality of convex rings (3).

2. The rotary shaver blade with an integrally formed logo portion according to claim 1, characterized in that: The top surface of the convex ring (3) and the top surface of the logo portion (13) are curved surfaces and are located on the same spherical surface (S).

3. The rotary shaver blade with an integrally formed logo portion according to claim 1, characterized in that: The convex ring (3) and the logo portion (13) are distributed along the spherical surface (S).

4. The rotary shaver blade with an integrally formed logo portion according to claim 3, characterized in that: The top surface of the convex ring (3) is a curved surface, and its curvature is greater than that of the spherical surface (S); the top surface of the logo portion (13) is a curved surface, and its curvature is greater than or equal to that of the spherical surface (S).

5. The rotary shaver blade with an integrally formed logo portion according to claim 3, characterized in that: The top surface of the convex ring (3) is a curved surface, and its curvature is equal to that of the spherical surface (S); the top surface of the logo portion (13) is a curved surface, and its curvature is greater than that of the spherical surface (S).

6. The rotary shaver blade with an integrally formed logo portion according to claim 1, characterized in that: The convex ring (3) is distributed along the spherical surface (S), the curvature of the top surface of the convex ring (3) is greater than or equal to the spherical surface (S), and the top surface of the logo portion (13) is a plane.

7. The rotary shaver blade with an integrally formed logo portion according to claim 1, characterized in that: The convex ring (3) and the logo portion (13) are distributed along a plane.

8. The rotary shaver blade with an integrally formed logo portion according to claim 1, characterized in that: A spacing bar (15) is provided between two adjacent shaving tracks (6), and the bottom surface of the spacing bar (15) is a plane.

9. A rotary shaver blade with an integrally formed logo portion according to any one of claims 1 to 8, characterized in that: The logo portion (13), the central positioning column (81), the mesh top (20) and the knife mesh body (1) are integrally formed by powder metallurgy.

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