Gradient color massager and manufacturing method therefor

Abstract

Disclosed are a gradient color massager and a manufacturing method therefor. The massager comprises an opaque core body (100) and a monochromatic light-transmissive sleeve (200) coating the outer surface of the opaque core body (100). A vibration member (7) is provided inside the opaque core body (100). The thickness between each region of the outer surface of the monochromatic light-transmissive sleeve (200) and the opaque core body (100) varies. The variation in the thickness of the monochromatic light-transmissive sleeve (200), in combination with the opaque core body (100), achieves a gradient effect; besides, the opaque core body (100) is tightly connected to the monochromatic light-transmissive sleeve (200) through a production process and a rubber material. Thus, the massager features both a good gradient effect and structural stability, reducing the possibility of detachment, and enhancing its aesthetic appeal and practicability.

Description

A gradient color massager and its preparation method Technical Field

[0001] This application relates to the field of massager technology, and in particular to a gradient color massager and its preparation method. Background Technology

[0002] Massagers, as a common health care device, work by applying pressure to the skin and muscle tissue through methods such as vibration, and are widely used in home and personal care. In recent years, with increasing attention to health and quality of life, the massager market has developed rapidly, with increasingly diverse product types and functions. However, as market demand continues to grow, consumers are placing higher demands on product design and user experience, especially regarding sealing and aesthetics.

[0003] The massager contains internal vibrating components that, in conjunction with its outer surface, provide a superior massage effect. Currently, to enhance the appearance of massagers, a common method is to spray-paint colors onto the protective cover, creating a gradient effect. However, because massagers frequently come into contact with the skin during use and are subjected to high-frequency vibrations, friction, and impacts, the spray-painted pattern layer is prone to peeling off, reducing its aesthetic appeal and potentially causing skin allergies.

[0004] Summary of the Invention

[0005] In order to present a gradient color effect and improve the structural stability of the massager, this application provides a gradient color massager and a method for its preparation.

[0006] In a first aspect, a gradient color massager includes a non-transparent core and a monochrome transparent sleeve covering the outer surface of the non-transparent core. A vibrating element is disposed inside the non-transparent core, and the thickness between different regions of the outer surface of the monochrome transparent sleeve and the non-transparent core is different.

[0007] By adopting the above technical solution, the vibrating element is embedded inside the non-transparent core, and then the surface of the non-transparent core is covered by a single-color transparent sleeve, forming a structurally stable massager. Furthermore, the different thicknesses between the non-transparent core and the single-color transparent sleeve covering its outer surface create a gradient effect on the outer surface of the single-color transparent sleeve, improving the gradient aesthetics and structural stability of the massager. This prevents the gradient effect from peeling off or the layer structure from falling off, thus improving the service life and reliability of the massager.

[0008] The monochrome light-transmitting sleeve of this application refers to a light-transmitting sleeve that is non-transparent in appearance, has color, and allows the non-light-transmitting core to be seen through the monochrome light-transmitting sleeve; the non-light-transmitting core refers to a core through which light cannot pass.

[0009] Preferably, the monochrome light-transmitting sleeve is tightly connected to the non-light-transmitting core.

[0010] By tightly connecting the single-color translucent sleeve with the non-translucent core, the gradient color massager combines a better gradient effect with structural stability. This prevents the single-color translucent sleeve from separating from the non-translucent core during use, which could lead to damage or detachment of the single-color translucent sleeve. This improves the aesthetics and practicality of the massager.

[0011] Preferably, the outer surface of the non-transparent core has at least one first raised texture, and the monochrome transparent sleeve has a first recessed texture that fits and connects with the first raised texture.

[0012] By adopting the above technical solution, at least one first raised texture on the outer surface of the non-transparent core body is fitted and connected with the first concave texture of the monochrome transparent sleeve, which improves the connection stability between the non-transparent core body and the monochrome transparent sleeve. At the same time, the first concave texture also makes the thickness of the monochrome transparent sleeve vary, so that the clarity of the non-transparent core body observed through the monochrome transparent sleeve is different, presenting a gradient color effect and improving the appearance and visual effect of the massager.

[0013] Preferably, the outer surface of the non-transparent core is recessed with at least one second groove, and the monochrome transparent sleeve is raised with a second convex groove that fits and connects with the second groove.

[0014] The combination of the second concave and second convex textures further strengthens the connection stability between the non-transparent core and the single-color translucent sleeve, making the massager's structure more robust and improving its overall durability and reliability. Simultaneously, it allows for varying thicknesses of the single-color translucent sleeve, enhancing the overall gradient effect.

[0015] Preferably, the sides of the first raised texture and the first concave texture are both arc-shaped; the sides of the second raised texture and the second concave texture are both arc-shaped.

[0016] The sides of the first raised and concave patterns, as well as the sides of the second raised and concave patterns, are all curved, causing the thickness of the monochrome light-transmitting sleeve to gradually change, thus presenting a better gradient color effect. At the same time, the curved surface design increases the contact area and friction between the non-transparent core and the monochrome light-transmitting sleeve, improving the stability of the connection between the two and reducing the risk of detachment or loosening.

[0017] Preferably, the top and bottom surfaces of the first embossed pattern are both arc-shaped; the top and bottom surfaces of the second embossed pattern are both arc-shaped.

[0018] The top and bottom surfaces of both the first and second convex ridges are curved, allowing the thickness of the monochrome translucent sleeve to gradually change, thus enhancing the gradient effect and improving the massager's aesthetics. Simultaneously, this design reduces stress concentration caused by abrupt changes in thickness, extending its lifespan.

[0019] Preferably, the width of the arc-shaped surface is greater than 2 mm.

[0020] The design of the arc surface being wider than 2mm not only improves the fitting stability of the first and second convex patterns with the corresponding concave patterns, but also makes the fit between the monochrome light-transmitting sleeve and the non-light-transmitting core tighter, thus ensuring the uniformity and aesthetics of the gradient effect.

[0021] Preferably, the first ridge and / or the second ridge are arranged along the length direction and / or circumferential direction of the non-transparent core.

[0022] The first and / or second raised ridges are arranged along the length and / or circumferential direction of the non-transparent core, giving the massager a uniform gradient effect in multiple directions and improving the product's aesthetics. At the same time, this arrangement enhances the massager's structural strength, reduces stress concentration caused by high-frequency vibration, and extends its service life.

[0023] Preferably, the opaque core is a monochrome opaque core or a multicolor opaque core.

[0024] The non-transparent core can be in a single color or multiple colors, which not only increases the color diversity of the massager and enhances its visual appeal, but also creates richer layers and contrasts between different colors, thus better meeting consumers' personalized needs. At the same time, the multi-colored non-transparent core design allows the massager to exhibit different visual effects under different lighting conditions, further enhancing the product's attractiveness.

[0025] Preferably, the surface of the non-transparent core is provided with a pattern layer, and the pattern layer is connected to the monochrome transparent sleeve.

[0026] The surface of the non-transparent core is covered with a patterned layer, which is connected to a monochrome translucent sleeve. This effectively prevents the patterned layer from detaching during use due to high-frequency vibration, friction, and impact, thus maintaining the massager's aesthetics and preventing skin allergies. Simultaneously, the combination of the patterned layer and the monochrome translucent sleeve makes the pattern more stable and durable, enhancing the user experience.

[0027] Preferably, the outer surface of the monochrome light-transmitting sleeve extends to provide at least one gradient portion.

[0028] Setting at least one gradient section can achieve a smooth transition of color on the surface of the massager, highlighting the gradient effect.

[0029] Preferably, the outer surface of the monochrome light-transmitting sleeve is a smooth surface.

[0030] A smooth surface also helps to improve the overall aesthetics and comfort of the massager.

[0031] Preferably, the outer surface of the monochrome light-transmitting sleeve is recessed with at least one recess. This recess, in conjunction with the non-light-transmitting core, presents a better gradient effect. The recess can be located at any position on the monochrome light-transmitting sleeve and, in conjunction with the first raised texture, the second recess, the second raised texture, the first recess, and the gradient portion, achieves a better gradient effect.

[0032] Secondly, a method for preparing a gradient color massager includes the following steps:

[0033] Uncured silicone rubber and light-shielding filler are mixed evenly to obtain a viscous light-shielding compound; a portion of the viscous light-shielding compound is cured and molded to form a core blank with a first receiving groove inside the blank; a vibrating element is placed inside the first receiving groove, and another portion of the viscous light-shielding compound is filled onto the surface of the vibrating element, so that the viscous light-shielding compound is tightly bonded to the vibrating element and the core blank, and then cured and molded to obtain a non-transparent core;

[0034] Uncured silicone rubber and colorant are mixed evenly to obtain a sticky single-color rubber compound. A portion of the sticky single-color rubber compound is cured and molded to form a base blank with a second receiving groove inside the blank body. The non-transparent core body is then housed inside the second receiving groove.

[0035] Another portion of the adhesive monochrome adhesive is filled onto the surface of the opaque core, and the adhesive monochrome adhesive is tightly bonded to the opaque core and the base blank, and cured to form a monochrome transparent sleeve that tightly covers the outer surface of the opaque core. The thickness between the outer surface of the monochrome transparent sleeve and the opaque core is different in different areas, resulting in a gradient color massager.

[0036] It should be noted that: this application does not have a particular limitation on the amount of viscous light-shielding adhesive used to form the core blank with the first receiving groove inside the blank body, as long as the amount used is sufficient to form the core blank with the first receiving groove inside the blank body; at the same time, it does not have a particular limitation on the amount of viscous light-shielding adhesive used to fill the surface of the vibrating element, as long as the amount used is sufficient to ensure that the viscous light-shielding adhesive is tightly bonded to the vibrating element and the core blank.

[0037] Similarly, this application does not have a particular limitation on the amount of viscous monochrome adhesive used to form the base blank with the second receiving groove inside the preform body, as long as the amount used is sufficient to form the base blank with the second receiving groove inside the preform body; at the same time, there is no particular limitation on the amount of viscous monochrome adhesive used to fill the surface of the opaque core body, as long as the amount used is sufficient to make the viscous monochrome adhesive body tightly bonded to the opaque core body and the base blank.

[0038] By adopting the above technical solution, uncured silicone rubber is a type of silicone rubber that has not been vulcanized. It has stickiness and plasticity. By forming a sticky light-shielding rubber material, and then curing it to form a core preform, a vibrating element is placed in it. Then, a sticky silicone rubber material is filled in. The sticky light-shielding rubber material is tightly bonded to the vibrating element and the core preform. After curing again, its structure is stabilized.

[0039] After the base shell is formed by curing a sticky monochrome adhesive, a non-transparent core is placed inside, and then another sticky monochrome adhesive is filled in. This allows the sticky monochrome adhesive to bond tightly to the non-transparent core and the base shell. After curing and molding, the formed non-transparent core is tightly connected to the monochrome transparent sleeve, improving the structural stability of the massager. The monochrome transparent sleeve has varying thicknesses, and when the non-transparent core is observed through the monochrome transparent sleeve, the clarity changes, thus achieving a gradient color visual effect.

[0040] In addition, this manufacturing process involves tightly bonding the non-transparent core and the monochrome transparent sleeve before they are fully cured, ensuring a stable connection between the non-transparent core and the monochrome transparent sleeve, improving the structural stability of the massager, preventing the monochrome transparent sleeve from falling off during use, and enhancing the practicality and durability of the massager.

[0041] Preferably, the curing conditions are: temperature 50-95℃, curing time 120-500s, and curing pressure 10-80kg.

[0042] By adopting the above technical solution, the temperature, time and pressure parameters in the curing process of this application are optimized, which reduces damage to the internal vibration components, improves the practicality and reliability of the product, and ensures a tight connection between the monochrome light-transmitting sleeve and the non-light-transmitting core, so that the massager has both a better gradient effect and structural stability, reduces the possibility of falling off, and improves the aesthetics and practicality of the massager.

[0043] Preferably, the uncured silicone rubber is composed of the following raw materials by weight percentage:

[0044] 40-60% methyl vinyl silicone rubber;

[0045] Hydroxy silicone oil 10-30%;

[0046] Hydrogen-containing silicone oil 5-15%;

[0047] Thickening modifier 3-8%;

[0048] Platinum vulcanizing agent 1-3%;

[0049] Inhibitor 0.1-0.3%

[0050] The remainder is filler.

[0051] By adopting the above technical solutions, it is possible to ensure that uncured silicone rubber possesses good flowability, adhesion, and mechanical strength under specific formulations. Simultaneously, the addition of tackifiers significantly improves the adhesion stability between the uncured silicone rubber and the opaque core, preventing delamination during long-term use and thus extending the product's service life. The selection and proportion of fillers optimize the overall performance of the uncured silicone rubber, making its post-molding structure more stable and improving product quality and reliability.

[0052] Preferably, the thickening modifier is composed of the following raw materials by weight percentage:

[0053] 1,3-Bis(3-methacryloyloxypropyl)tetra(trimethylsiloxy)disiloxane 30-50%;

[0054] Vinyltris(dimethylsiloxane)silane 30-50%;

[0055] 2-10% of polyethylene glycol monomethyl ether polylactic acid diblock copolymer;

[0056] Silane-PEG-hydroxyl 10-20%.

[0057] By adopting the above technical solution, the adhesion modifier is composed of a specific ratio of 1,3-bis(3-methacryloyloxypropyl)tetra(trimethylsiloxy)disiloxane, vinyltris(dimethylsiloxane)siloxane, polyethylene glycol monomethyl ether polylactic acid diblock copolymer, and silane-PEG-hydroxyl. This significantly improves the adhesion stability between the monochrome translucent sleeve and the non-translucent core, preventing delamination or loosening during long-term use, thereby extending the lifespan of the massager. Furthermore, the synergistic effect of these components ensures that the monochrome translucent sleeve forms a stable textured surface on the non-translucent core, further enhancing the aesthetics and durability of the gradient color effect.

[0058] In summary, this application includes at least one of the following beneficial technical effects:

[0059] 1. By varying the thickness of different areas on the outer surface of the monochrome translucent sleeve to the non-translucent core, a gradient effect is achieved through the thickness variation of the monochrome translucent sleeve. This avoids the problem of traditional inkjet printing patterns easily falling off under high-frequency vibration and friction. The non-translucent core is wrapped around the outer surface of the monochrome translucent sleeve, which further improves structural stability, giving the massager both a better gradient effect and structural stability.

[0060] 2. The non-transparent core and the monochrome translucent sleeve are connected by interlocking convex and concave textures, which enhances the fixation effect between the two and further improves the overall stability and gradient effect of the massager;

[0061] 3. The manufacturing process of this application: By changing the thickness of the monochrome light-transmitting sleeve and combining it with the non-light-transmitting core, a gradient effect is achieved. Then, by combining the manufacturing process and adhesive materials, the non-light-transmitting core and the monochrome light-transmitting sleeve are tightly connected, thereby enabling the massager to have both a better gradient effect and structural stability, reducing the possibility of detachment, and improving the aesthetics and practicality of the massager. Attached Figure Description

[0062] Figure 1 is a schematic diagram of a massager structure according to Embodiment 1.

[0063] Figure 2 is a schematic diagram of the non-transparent core structure described in Example 1.

[0064] Figure 3 is a schematic cross-sectional view of a massager according to Embodiment 1.

[0065] Figure 4 is a schematic diagram of a massager structure according to Embodiment 2.

[0066] Figure 5 is a schematic cross-sectional view of a massager according to Embodiment 3.

[0067] Figure 6 shows the mold structure in Example 4.

[0068] Explanation of reference numerals in the attached drawings: 100, non-transparent core; 200, monochrome transparent sleeve; 1, first raised texture; 2, first concave texture; 3, second raised texture; 4, second concave texture; 5, pattern layer; 6, gradient section; 7, vibrating element; 8, recessed section; 400, mold structure. Detailed Implementation

[0069] The present application will be further described in detail below with reference to Figures 1-6 and embodiments.

[0070] Introduction to some raw materials:

[0071] The number average molecular weight of methyl vinyl silicone rubber is 100,000-200,000, and the vinyl content is 0.17-0.32%.

[0072] Hydroxyl silicone oil: Saint-Bang Organosilicon SI-H2O2

[0073] Hydrogen-containing silicone oil: Molecular formula C3H9OSi·(CH4OSi)n·C3H9Si

[0074] Platinum vulcanizing agent: Shenzhen Tianqi New Material Technology Co., Ltd., model SK-P030;

[0075] The inhibitor is diallyl maleate;

[0076] Filler: Fumed silica, with a particle size of 100-300 nm;

[0077] The molecular structure of polyethylene glycol monomethyl ether polylactic acid diblock copolymer is as follows, where both n and m are 5:

[0078] The molecular structure of silane-PEG-hydroxyl is as follows, with an average molecular weight of 1000-2000:

[0079] The light-shielding filler is titanium dioxide, 500-800 mesh;

[0080] The colorant is iron oxide yellow.

[0081] Example of preparation of uncured silicone rubber

[0082] Preparation Example 1

[0083] An uncured silicone rubber is prepared by the following method:

[0084] Weigh out 50% methyl vinyl silicone rubber, 30% hydroxyl silicone oil, and 5% hydrogen-containing silicone oil by weight percentage and place them in a kneader. Mix at 100 r / min for 30 min to ensure thorough and uniform mixing, resulting in mixture A. Then weigh out 3% tackifier and 11% filler and place them in a mixing device. Mix at 100 r / min for 30 min to ensure thorough and uniform mixing, resulting in mixture B. Add all of mixture B to mixture A and continue mixing for 30 min to obtain mixture C. Add 1% platinum vulcanizing agent and 0.1% inhibitor to mixture C and continue mixing for 5 min to ensure thorough and uniform mixing, resulting in 10 kg of unvulcanized silicone rubber.

[0085] The tackifier, by weight percentage, is obtained by uniformly mixing 30% of 1,3-bis(3-methacryloyloxypropyl)tetra(trimethylsiloxy)disiloxane, 48% of vinyltri(dimethylsiloxane)siloxane, 2% of polyethylene glycol monomethyl ether polylactic acid diblock copolymer, and 20% of silane-PEG-hydroxyl.

[0086] Preparation Examples 2-3

[0087] The difference between Preparation Example 2-3 and Preparation Example 1 is that the amount of raw materials used is different, as shown in Table 1.

[0088] Table 1. Raw material usage amounts for Preparation Examples 1-3

[0089] Preparation of comparative examples

[0090] Preparation of Comparative Example 1

[0091] The difference between Comparative Example 1 and Preparation Example 1 is that 1,3-bis(3-methacryloyloxypropyl)tetra(trimethylsiloxy)disiloxane was replaced in equal amounts with vinyltris(dimethylsiloxane)silane.

[0092] Preparation of Comparative Example 2

[0093] The difference between Comparative Example 2 and Preparation Example 1 is that the polyethylene glycol monomethyl ether polylactic acid diblock copolymer was replaced in equal amounts with vinyltris(dimethylsiloxane)silane.

[0094] Preparation of Comparative Example 3

[0095] The difference between Comparative Example 3 and Comparative Example 1 is that silane-PEG-hydroxyl is replaced by vinyltris(dimethylsiloxane)silane in equal amounts.

[0096] Preparation of Comparative Example 4

[0097] The difference between Comparative Example 4 and Comparative Example 1 is that the thickening modifier is vinyltris(dimethylsiloxane).

[0098] Example

[0099] Example 1

[0100] This application provides a gradient color massager, as shown in Figures 1 and 2. It includes a non-transparent core 100 and a single-color translucent sleeve 200 covering the surface of the non-transparent core 100. The thickness of the outer surface of the single-color translucent sleeve 200 varies between different areas and the non-transparent core. This core and sleeve covering structure effectively prevents the printed pattern layer 5 from peeling off under high-frequency vibration and friction, thereby improving the massager's aesthetics and lifespan.

[0101] Referring to Figure 3, specifically, a vibrating element 7 is disposed inside the opaque core 100. This vibrating element 7 includes a vibration assembly, a battery, and a switch assembly. The opaque core can be made of rubber or a thermoplastic elastomer; in this application, rubber is preferred, specifically silicone. During the molding process, the silicone material encapsulates the vibrating element 7, stably fixing it inside the opaque core. Because silicone is soft, the vibrating element 7 can be used normally. Furthermore, the opaque core 100 can be a single-color opaque core or a multi-color opaque core. A multi-color opaque core refers to a combination of multiple colors. In this embodiment, a single-color opaque core is preferred, specifically a white opaque core.

[0102] The single-color translucent sleeve 200 can be made of rubber or thermoplastic elastomer. In this application, it is preferably made of colored, translucent silicone material. During the molding process, it can stably cover the surface of the non-translucent core, varying in thickness and coordinating with the non-translucent core to create a visually gradient effect, making the massager more aesthetically pleasing. The single-color translucent sleeve 200 can be red, yellow, blue, etc.; in this embodiment, it is yellow.

[0103] Specifically, at least one first raised texture 1 is protruded on the surface of the non-transparent core body 100. The number of first raised textures 1 can be 1, 2, 3, 5, 10, 20, etc. When there are multiple first raised textures 1, the first raised textures 1 can be distributed side by side or randomly, and the length of the first raised textures 1 can be the same or different. The first raised textures 1 can be set in the length direction and / or the circumferential direction of the non-transparent core body. Specifically, the first raised textures 1 can be evenly distributed in the length direction of the non-transparent core body to form a longitudinal gradient effect; the second raised texture 3 can be evenly distributed in the circumferential direction of the monochrome light-transmitting sleeve 200 to form a ring gradient effect. In this embodiment, preferably, the length of the first raised textures 1 can be the same, distributed side by side, with a distribution spacing of 3mm and the same length, as shown in Figure 2.

[0104] The monochrome light-transmitting sleeve 200 has a first recessed groove 2 that engages and connects with the first raised groove 1. The design of the first raised groove 1 and the first recessed groove 2 enhances the connection stability between them, preventing the monochrome light-transmitting sleeve 200 from loosening or falling off during use. The first raised groove 1 can be circular, square, or other shapes, and the first recessed groove 2 is designed to match it accordingly. For example, the first raised groove 1 can be a circular protrusion, and the first recessed groove 2 can be a corresponding circular groove.

[0105] The non-transparent core body 100 has at least one second concave texture 4 recessed on its surface, and the monochrome transparent sleeve 200 has a second convex texture 3 that fits and connects with the second concave texture 4. The design of the second concave texture 4 and the second convex texture 3 is also to enhance the connection stability between the two. The second concave texture 4 can be straight, wavy, or other shapes, and the second convex texture 3 is designed accordingly to match it. Similarly, the second concave texture 4 matches the second convex texture 3, and in this embodiment, the number, distribution, length, direction, etc. of the first convex texture 1 and the second convex texture 3 are the same, and the first convex texture 1 and the first concave texture 2 are transitionally connected, as shown in Figure 2.

[0106] The sides of the first raised texture 1 and the first concave texture 2 are both arc-shaped, as are the sides of the second raised texture 3 and the second concave texture 4. The top and bottom surfaces of the first raised texture 1 and the second raised texture 3 are both arc-shaped. The arc-shaped surfaces allow the thickness of the monochrome light-transmitting sleeve 200 to gradually change, creating a better gradient effect. In this embodiment, the width of all arc-shaped surfaces is greater than 2 mm, preferably 3 mm, to ensure sufficient contact area and connection strength.

[0107] The outer surface of the monochrome translucent sleeve 200 can be a smooth surface. The smooth surface design reduces friction and scratches, improving the comfort of using the massager. The smooth surface can be achieved through polishing, grinding, or other suitable methods.

[0108] The implementation principle of this embodiment is as follows: This embodiment uses a double-layer structure design of a non-transparent core and a monochrome translucent sleeve 200. The gradient effect is achieved by utilizing the thickness variation of the monochrome translucent sleeve 200, which solves the problem of traditional inkjet printing patterns easily peeling off, and improves the aesthetics and lifespan of the massager. The interlocking connection design between the non-transparent core and the monochrome translucent sleeve 200 enhances the connection stability, preventing loosening or detachment under high-frequency vibration and friction. Furthermore, by adjusting the shape and position of the first convex ridge 1 and the second convex ridge 3, the direction and degree of the gradient effect can be flexibly controlled, making the appearance of the massager more diverse.

[0109] Example 2

[0110] This application provides a gradient color massager, as shown in Figures 4 and 5. It includes a non-transparent core 100 and a monochromatic translucent sleeve 200 covering the surface of the non-transparent core 100. The thickness of the outer surface of the monochromatic translucent sleeve 200 varies between different areas and the non-transparent core. At least one gradient portion 6 may be extended from the outer surface of the monochromatic translucent sleeve 200. The design of the gradient portion 6 allows the thickness of the monochromatic translucent sleeve 200 to gradually change, creating a natural transition effect. The length and width of the gradient portion 6 can be adjusted as needed to achieve the best visual effect. The gradient portion 6 can be located at any position on the massager, including the tail, middle, or head, and can gradually fade from one end to the other, or gradually deepen from the middle to both sides.

[0111] The gradient portion 6 can be formed by at least one raised texture, and in conjunction with the opaque core, presents a better gradient effect. In this embodiment, a raised texture is preferred, and the raised texture is provided corresponding to the second raised texture 3 and the first concave texture 2. The gradient portion 6 can also be a grid, a dot matrix, or other shapes.

[0112] The outer surface of the monochrome light-transmitting sleeve 200 is provided with at least one recess 8. The recess 8 can be located at any position on the outer surface of the monochrome light-transmitting sleeve 200. In this embodiment, the recess 8 is preferably composed of at least one concave texture. The concave texture is correspondingly set with the second convex texture 3, and the concave texture is connected with the convex texture to present a concave-convex gradient structure. Combined with the first convex texture 1, the second convex texture 3, the second concave texture 4, and the first concave texture 2, the surface of the massager presents a better gradient effect.

[0113] Example 3

[0114] This application provides a gradient color massager, as shown in Figure 5, comprising a non-transparent core 100 and a monochrome translucent sleeve 200 covering the surface of the non-transparent core 100. The thickness of the monochrome translucent sleeve 200 varies between different areas of its outer surface and the non-transparent core. A pattern layer 5 may also be provided on the surface of the non-transparent core, and the pattern layer 5 is connected to the monochrome translucent sleeve 200. The pattern layer 5 can be manufactured by printing, spraying, or other suitable methods. The design of the pattern layer 5 can be customized with different patterns and colors to make the massager more personalized. Furthermore, the pattern layer 5, being located on the non-transparent core, does not directly contact the human body.

[0115] Example 4

[0116] A method for preparing the gradient color massager described in Embodiment 1, comprising the following steps:

[0117] Uncured silicone rubber and light-shielding filler are mixed evenly at a weight ratio of 100:5 to obtain a viscous light-shielding compound. A portion of the viscous light-shielding compound is placed in a mold for curing and molding to form a core blank with a first receiving groove inside the blank. The vibrating component is placed inside the first receiving groove, as shown in the mold structure in Figure 6. Another portion of the viscous light-shielding compound is then filled into the middle mold to make the viscous light-shielding compound adhere tightly to the vibrating component and the core blank. After curing and molding, a non-transparent core with a first raised texture and a second concave texture on the surface is obtained.

[0118] Uncured silicone rubber and colorant are mixed evenly at a weight ratio of 100:1 to obtain a sticky single-color rubber compound. A portion of the sticky single-color rubber compound is cured and molded to form a base blank with a second receiving groove inside the blank. Then, a non-transparent core is housed inside the second receiving groove.

[0119] Another portion of the adhesive monochrome material is then filled onto the surface of the opaque core, and the adhesive monochrome material is tightly bonded to the opaque core and the base blank. The core is then placed in a mold and cured to form a monochrome translucent sleeve that tightly covers the outer surface of the opaque core. The monochrome translucent sleeve corresponds to the first raised texture and the second concave texture, respectively forming the first concave texture and the second raised texture that interlock with it, thus obtaining a gradient color massager.

[0120] The curing conditions in the above processes are as follows: temperature 95℃, molding time 120s, and molding pressure 80kg. Uncured silicone rubber is obtained by mixing fumed silica, platinum vulcanizing agent, methyl vinyl silicone rubber, hydrogen-containing silicone oil, and inhibitor in a weight ratio of 1:0.1:10:3:0.01.

[0121] Example 5

[0122] The difference between Example 5 and Example 4 is that the curing conditions in both examples are: temperature of 50°C, curing time of 500s, and curing pressure of 10kg.

[0123] Example 6

[0124] The difference between Example 6 and Example 4 is that the curing conditions in both examples are: temperature of 90°C, curing time of 300s, and curing pressure of 50kg.

[0125] Examples 7-13

[0126] The difference between Examples 7-13 and Example 4 is that the source of the uncured silicone rubber is different, as shown in Table 2.

[0127] Table 2 Sources of uncured silicone rubber in Examples 7-13

[0128] Performance testing

[0129] The monochromatic uncured silicone rubber obtained in Examples 4 and 7-13 was placed in a mold and then placed in a vulcanizing machine. It was vulcanized at 95°C for 120 seconds to obtain a test sample, which was then used for the following mechanical property tests.

[0130] Mechanical properties: The breaking strength and elongation were tested according to the test method ASTM D412, with a thickness of 2 mm.

[0131] Structural stability: The gradient color massager (weighing 238g) obtained in Examples 4-13 was placed horizontally and then dropped freely from a 5m high platform. After repeating this 10 times, it was tested whether it could be used normally, whether the single-color light-transmitting sleeve was damaged, and whether it was cut open to see if the non-light-transmitting core and the single-color light-transmitting sleeve had fallen off. The corresponding experimental results were recorded.

[0132] The specific details of the above experiments are shown in Table 1;

[0133] Experimental data from Examples 5-14

[0134] Combining Examples 7 and 4 with Table 3, it can be seen that the tear strength and elongation of Example 7 are higher than those of Example 4, indicating that the single-color uncured silicone rubber prepared by this application has better mechanical properties, thereby reducing cracking and tearing during use. Meanwhile, Example 4 showed unusable, damaged, and detached phenomena, while Example 7 did not show the above phenomena, indicating that the uncured silicone rubber prepared by this application has better effects, making the gradient color massager have better structural stability and mechanical properties.

[0135] Combining Examples 7 and 10-13 with Table 3, it can be seen that the tear strength and elongation of Example 7 are higher than those of Examples 10-13. This indicates that the use of 1,3-bis(3-methacryloyloxypropyl)tetra(trimethylsiloxy)disiloxane, vinyltris(dimethylsiloxane)siloxane, polyethylene glycol monomethyl ether polylactic acid diblock copolymer, and silane-PEG-hydroxy compound plays a better role in further enhancing the adhesion and mechanical properties of uncured silicone rubber, making the resulting gradient color massager structurally stable and providing it with durability.

[0136] This specific embodiment is merely an explanation of this application and is not intended to limit it. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but such modifications are protected by patent law as long as they fall within the scope of the claims of this application.

Claims

1. A gradient color massager, characterized in that: It includes a non-transparent core (100) and a monochromatic transparent sleeve (200) covering the outer surface of the non-transparent core (100). A vibrating element (7) is provided inside the non-transparent core. The thickness of each region of the outer surface of the monochromatic transparent sleeve (200) to the non-transparent core (100) is different. The monochromatic transparent sleeve (200) is tightly connected to the non-transparent core (100).

2. The gradient color massager according to claim 1, characterized in that: The outer surface of the non-transparent core (100) is provided with at least one first raised texture (1), and the monochrome light-transmitting sleeve (200) is provided with a first recessed texture (2) that fits and connects with the first raised texture (1); and / or the outer surface of the non-transparent core (100) is provided with at least one second recessed texture (4), and the monochrome light-transmitting sleeve (200) is provided with a second raised texture (3) that fits and connects with the second recessed texture (4).

3. A gradient color massager according to claim 2, characterized in that: The sides of the first raised texture (1) and the first concave texture (2) are both arc-shaped; the sides of the second raised texture (3) and the second concave texture (4) are both arc-shaped; the top surface and the bottom surface of the first raised texture (1) are both arc-shaped; the top surface and the bottom surface of the second raised texture (3) are both arc-shaped; the width of the arc-shaped surface is greater than 2 mm.

4. A gradient color massager according to claim 2, characterized in that: The first ridge (1) and / or the second ridge (3) are arranged along the length direction and / or the circumferential direction of the non-transparent core.

5. A gradient color massager according to claim 1, characterized in that: The non-transparent core (100) is a monochrome non-transparent core or a multi-color non-transparent core.

6. A gradient color massager according to claim 1, characterized in that: The surface of the non-transparent core (100) is provided with a pattern layer (5), and the pattern layer (5) is connected to the monochrome transparent sleeve (200).

7. A gradient color massager according to claim 1, characterized in that: At least one gradient portion (6) is provided on the outer surface of the monochrome light-transmitting sleeve (200); and / or at least one recess (8) is provided on the outer surface of the monochrome light-transmitting sleeve (200); and / or the outer surface of the monochrome light-transmitting sleeve (200) is a smooth surface.

8. A gradient color massager according to claim 1, characterized in that: The non-transparent core (100) and the monochrome transparent sleeve (200) are both made of rubber or thermoplastic elastomer.

9. A method for preparing a gradient color massager as described in claim 1, characterized in that, Includes the following steps: Uncured silicone rubber and light-shielding filler are mixed evenly to obtain a viscous light-shielding compound; a portion of the viscous light-shielding compound is cured and molded to form a core bottom blank with a first accommodating groove inside the blank body; The vibrating element is placed inside the first receiving groove, and another part of the adhesive light-blocking material is filled on the surface of the vibrating element so that the adhesive light-blocking material is tightly bonded to the vibrating element and the core blank. Then, it is cured and molded to obtain a non-transparent core. Uncured silicone rubber and colorant are mixed evenly to obtain a viscous, single-color rubber compound. A portion of the viscous, single-color rubber compound is cured and molded to form a base blank with a second accommodating groove inside the blank body; then the non-transparent core body is placed inside... Located inside the second receiving slot; Another part of the adhesive monochrome adhesive is filled into the surface of the non-transparent core, and the adhesive monochrome adhesive is tightly bonded to the non-transparent core and the sleeve base blank, cured and molded to form a monochrome transparent sleeve that tightly covers the outer surface of the non-transparent core. The thickness between each area of ​​the outer surface of the monochrome transparent sleeve and the non-transparent core is different, resulting in a gradient color massager. The curing conditions are as follows: temperature 50-95℃, curing time 120-500s, and curing pressure 10-80kg.

10. The method for preparing a gradient color massager according to claim 9, characterized in that, The uncured silicone rubber is composed of the following raw materials by weight percentage: 40-60% methyl vinyl silicone rubber; Hydroxy silicone oil 10-30%; Hydrogen-containing silicone oil 5-15%; Thickening modifier 3-8%; Platinum vulcanizing agent 1-3%; Inhibitor 0.1-0.3%; The remainder is filler material; The thickening modifier is composed of the following raw materials by weight percentage: 1,3-Bis(3-methacryloyloxypropyl)tetra(trimethylsiloxy)disiloxane 30-50%; Vinyltris(dimethylsiloxane)silane 30-50%; 2-10% of polyethylene glycol monomethyl ether polylactic acid diblock copolymer; Silane-PEG-hydroxyl 10-20%.

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