Shell assembly, charging equipment, injection mold corresponding to charging equipment and injection molding equipment corresponding to charging equipment

Abstract

The utility model provides a shell assembly, charging equipment and a corresponding injection mold and injection molding equipment thereof, the shell assembly comprises a first shell and a second shell, and the first shell and the second shell are integrally formed; metal particles are arranged in the second shell; and the opposite surfaces of the second shell and the first shell are respectively provided with a bulge and a groove. According to the technical scheme, the first shell and the second shell are integrally formed, so that the connection stability of the first shell and the second shell is improved; by arranging the metal particles in the second shell, on one hand, the strength and hardness of the second shell can be improved, the reliability of the second shell is improved, on the other hand, the second shell can have certain metal luster, and the attractiveness is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of intelligent terminal production, in particular to a shell assembly, a charging device, and corresponding injection molding molds and injection molding equipment thereof. BACKGROUND

[0002] With the rapid popularization and vigorous development of intelligent terminals, the appearance of the shell of the intelligent terminal also needs to meet the market demand for personalization and aesthetics. Among them, the way of producing the shell of the intelligent terminal by using double-color molding technology is widely applied, that is, two different injection molding materials are used to produce by special injection molding technology.

[0003] In the process of conceiving and implementing the present application, the inventors found that at least the following problems exist: in the related art, products produced by using two injection molding materials include primary products and secondary products, and then the primary products and the secondary products are combined into the shell of the intelligent terminal by gluing or buckling, however, in some application scenarios, the connection reliability between the primary products and the secondary products is low, and is prone to falling off or cracking, affecting the service life of the product.

[0004] The foregoing narrative is to provide general background information and does not necessarily constitute the prior art. CONTENT OF THE UTILITY MODEL

[0005] In view of the above technical problems, the present application provides a shell assembly, a charging device, and corresponding injection molding molds and injection molding equipment, which can improve the reliability of the shell and prolong the service life.

[0006] To solve the above technical problems, the present application provides a shell assembly, wherein the shell assembly comprises a first shell and a second shell, the first shell and the second shell are integrally formed; the first shell covers the surface of the second shell, metal particles are arranged in the second shell; the surface of the second shell facing the first shell is provided with a protrusion, and the surface of the first shell facing the second shell is provided with a groove.

[0007] Optionally, the protrusion and the groove are fitted.

[0008] Optionally, the metal particles are uniformly dispersed in the second shell.

[0009] Optionally, the first shell is a light-transmitting piece; and / or, the edge profile shape of the first shell matches the edge profile shape of the second shell.

[0010] Optionally, the edge profile shape of the first shell and the second shell is circular.

[0011] Optionally, the protrusion is arc-shaped on the surface of the second shell.

[0012] Optionally, the protrusions are at least two, and the at least two protrusions are arranged on the surface of the second shell in a spaced manner; the grooves are at least two, and the at least two grooves are arranged on the surface of the first shell in a one-to-one correspondence with the at least two protrusions in a spaced manner.

[0013] Optionally, the curvature of the at least two protrusions gradually increases from the first side of the second shell to the second side of the second shell.

[0014] Optionally, a line between the first side and the second side passes through a center point of the second shell.

[0015] Optionally, the application provides a charging device configured to store a smart terminal and charge the smart terminal; the charging device comprises a device main body and the shell assembly described above, the device main body comprises an outer shell, and the shell assembly is sleeved on the outer side of the outer shell of the device main body, or the outer shell of the device main body and the shell assembly are an integral piece.

[0016] Optionally, the application provides an injection mold for producing the shell assembly described above, the mold comprises a movable mold, a fixed mold, and a pressing plate connected to one side of the movable mold facing the fixed mold; the movable mold comprises a forming groove, the fixed mold is provided with an injection port, and when the fixed mold and the movable mold are closed, the first shell and the second shell of the shell assembly are sequentially injection molded in the forming groove through the injection port; the pressing plate is arranged at the circumferential edge of the shell assembly.

[0017] Optionally, the pressing plate is provided with a relief hole, the relief hole is arranged opposite to the forming groove, and the diameter of the relief hole is smaller than the diameter of the forming groove.

[0018] Optionally, the movable mold and the fixed mold are both two, the two movable molds are both provided with the pressing plate and are arranged in a synchronous rotation manner, and the two movable molds are configured to alternately close with the two fixed molds; the injection port of one of the two fixed molds is configured to injection mold the first shell, and the injection port of the other of the two fixed molds is configured to injection mold the second shell.

[0019] Optionally, the application provides an injection device comprising a device main body and the injection mold described above, and the injection mold is arranged on the device main body.

[0020] Optionally, the injection device further comprises a mechanical hand arranged on the device main body, and the mechanical hand is configured to take out the shell assembly produced by the injection mold.

[0021] As described above, the present application provides a housing assembly, a charging device, and corresponding injection molds and injection molding equipment, wherein the housing assembly includes a first housing and a second housing, the first housing and the second housing being integrally formed; the first housing covers the surface of the second housing, and metal particles are disposed in the second housing; the surface of the second housing facing the first housing is provided with a protrusion, and the surface of the first housing facing the second housing is provided with a groove. The technical solution of the present application improves the connection stability of the first and second housings by providing an integral molding of the first and second housings; secondly, by providing metal particles in the second housing, the strength and hardness of the second housing are improved, thereby improving the reliability of the second housing, and the metallic luster of the second housing is enhanced, thereby improving the aesthetics. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings herein are incorporated into and constitute a part of the specification, illustrate embodiments consistent with the present application, and together with the specification, are used to explain the principles of the present application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for describing the embodiments. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without inventive work.

[0023] Figure 1 Schematic diagram of the structure of the housing assembly provided in the embodiment of the present application Figure 1 ;

[0024] Figure 2 for Figure 1 Schematic diagram of the explosion structure;

[0025] Figure 3 Schematic diagram of the structure of the housing assembly provided in the embodiment of the present application Figure 2 ;

[0026] Figure 4 for Figure 3 Schematic diagram of the explosion structure Figure 1 ;

[0027] Figure 5 for Figure 3 Schematic diagram of the explosion structure Figure 2 ;

[0028] Figure 6 for Figure 3 Schematic diagram of the explosion structure Figure 3 ;

[0029] Figure 7 A schematic structural diagram of the first housing in the housing assembly provided in an embodiment of the present application;

[0030] Figure 8A structure schematic diagram of the movable mold and the fixed mold in the injection mold provided by the embodiment of the present application is shown in the figure.

[0031] Figure 9 An explosion schematic diagram of the movable mold and the pressing plate provided by the embodiment of the present application is shown in the figure.

[0032] Explanation of reference signs:

[0033] 100, first shell; 200, second shell; 300, protrusion; 400, recess; 500, injection mold; 510, movable mold; 511, forming groove; 520, fixed mold; 521, injection port; 530, pressing plate; 531, avoiding hole.

[0034] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. The above-mentioned drawings have shown the specific embodiments of the present application, and more detailed description will be given hereinafter. These drawings and the description are not intended to limit the scope of the present application by any means, but to illustrate the concept of the present application to those skilled in the art by referring to the specific embodiments. DETAILED DESCRIPTION

[0035] The exemplary embodiments will be described in detail herein with reference to the accompanying drawings. Unless otherwise specified, the same numbers in different drawings indicate the same or similar elements. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with the present application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of the present application as detailed in the appended claims.

[0036] It should be noted that, in this document, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that comprises a list of elements does not only include those elements, but also includes other elements not expressly listed, or further includes elements inherent in such process, method, article, or apparatus. Without more limitations, the element defined by the phrase "comprises a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element, optionally, the components, features, elements with the same name included in different embodiments of the present application can have the same meaning or different meanings, and the specific meaning thereof should be determined in the explanation of the specific embodiment or further in combination with the context of the specific embodiment.

[0037] It should be understood that, in the description of the present application, the terms indicating the direction or positional relationship of the terms "in", "out" and the like are based on the direction or positional relationship shown in the drawings, which is merely for the convenience of description, and does not indicate or imply that the device or component must include a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0038] In addition, it should also be noted that, in the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two components. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "at least two" is at least two, such as two, three, etc., unless otherwise explicitly specified.

[0040] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present disclosure. In the description of the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or at least two embodiments or examples in a suitable manner.

[0041] It should be understood that the specific embodiments described herein are only used to explain the present application and not to limit the present application.

[0042] For the convenience of understanding, first, the application scenarios suitable for the embodiments of the present application will be described below.

[0043] With the rapid popularization and vigorous development of intelligent terminals, the appearance of the shell of the intelligent terminal also needs to meet the market demand for individualization and aesthetics. Among them, the way of producing the shell of the intelligent terminal by using double-color molding technology is widely used, that is, using two different injection molding materials to produce through special injection molding technology. For example, the charging bin of the wireless Bluetooth earphone, the appearance of the shell of the charging bin is particularly important, and the appearance of the shell of the charging bin attracts consumers to choose this product.

[0044] In the related art, products produced by using two injection molding materials include primary products and secondary products, and then the primary products and the secondary products are combined into a shell of a smart terminal by means of gluing or buckling. For example, when producing a charging bin of a wireless Bluetooth earphone, in order to ensure the appearance degree, the outermost primary product can be set as a transparent piece, and by combining the primary product and the secondary product into one body, the charging bin is ensured to include a perspective and a stereoscopic sense, and the appearance is effectively improved. However, when the primary product is a transparent piece, the appearance can be seen by using gluing or buckling, and the overall appearance of the product shape will cause an undesirable visual effect. Moreover, the double-piece assembly form of the primary product and the secondary product cannot be tightly combined, and there is a gap between the primary product and the secondary product after assembly, and under the background of the transparent primary product, dust and water vapor will enter and magnify the defects.

[0045] The present application provides a shell assembly, a charging device and corresponding injection molding molds and injection molding equipment, wherein the shell assembly includes a first shell and a second shell, and the first shell and the second shell are integrally formed; the first shell covers the surface of the second shell, and metal particles are arranged in the second shell; the surface of the second shell facing the first shell is provided with a protrusion, and the surface of the first shell facing the second shell is provided with a groove, and the protrusion and the groove are embedded. First, by arranging the first shell and the second shell to be integrally formed, the connection stability of the first shell and the second shell is improved; second, by arranging metal particles in the second shell, on the one hand, the strength and hardness of the second shell can be improved, and the reliability of the second shell can be improved, and on the other hand, the second shell can include a certain metal luster, and the appearance degree can be improved; finally, by arranging the groove and the protrusion to be embedded, the relative movement between the first shell and the second shell is avoided, the connection stability is further improved, and the texture sense can be formed, and the appearance degree is further improved.

[0046] Based on the structure of the above-mentioned smart terminal and the shell assembly on the smart terminal, various embodiments of the present application are proposed.

[0047] First embodiment

[0048] Figure 1 Structure diagram of the shell assembly provided by the embodiment of the present application Figure 1 ; Figure 2 Structure diagram of the explosion of the shell assembly provided by the embodiment of the present application Figure 1

[0049] As shown in Figure 1 and Figure 2 ​As shown, the present application provides a shell assembly, wherein the shell assembly comprises a first shell 100 and a second shell 200, the first shell 100 and the second shell 200 are integrally formed; the first shell 100 covers the surface of the second shell 200, and metal particles are arranged in the second shell 200; the surface of the second shell 200 facing the first shell 100 is provided with a protrusion 300, and the surface of the first shell 100 facing the second shell 200 is provided with a groove 400. Optionally, the protrusion 300 and the groove 400 are embedded.

[0050] In the embodiment of the present application, by integrally forming the first shell 100 and the second shell 200, the connection stability of the first shell 100 and the second shell 200 is improved; secondly, by arranging metal particles in the second shell 200, on the one hand, the strength and hardness of the second shell 200 can be improved, the reliability of the second shell 200 is improved, on the other hand, the second shell 200 can include a certain metal luster, the aesthetic degree is improved; finally, by arranging the groove 400 and the protrusion 300 in the embedded mode, the relative movement between the first shell 100 and the second shell 200 is avoided, the connection stability and reliability are further improved, and by the above arrangement, the texture feeling can be formed, and the aesthetic degree is further improved.

[0051] Optionally, the first shell 100 and the second shell 200 are both injection molding materials, which are prior art in the related field, and the material of the first shell 100 and the second shell 200 is not limited in the present application. Moreover, the material of the metal particles arranged in the second shell 200 can be any one of iron, copper, nickel and silver, and the color of the metal particles can be any one of black, yellow, silver and white, of course, other color injection particles can be matched in the metal particles to make the second shell 200 present a variety of different appearances, and the embodiment of the present application does not make specific limitation.

[0052] Optionally, the metal particles are uniformly dispersed in the second shell 200, which can make the second shell 200 present a uniform appearance, of course, the tone and gloss of the second shell 200 can be flexibly controlled by adjusting the material and concentration of the metal particles, which can be selected according to the design needs in actual application, the high-end and differentiation of plastic products can be realized without increasing too much cost, and the market competitiveness of the product is enhanced, and the embodiment of the present application does not make limitation.

[0053] Optionally, the first shell 100 is a light-transmitting piece; optionally, the edge contour shape of the first shell 100 matches the edge contour shape of the second shell 200.

[0054] Optionally, by setting the first shell 100 as a light-transmitting piece, the user can observe the appearance of the second shell 200 through the first shell 100, and form a visual experience including a certain stereoscopic effect, further improving the aesthetic appearance.

[0055] Optionally, the protrusions 300 are arc-shaped on the surface of the second shell 200. By setting the arc-shaped protrusions 300, the surface of the second shell 200 can form a certain texture, realizing individualization and improving the aesthetic appearance.

[0056] Optionally, the arc-shaped protrusions 300 can improve the engagement force between the protrusions 300 and the grooves 400, thereby improving the engagement force between the first shell 100 and the second shell 200, and further improving the connection reliability between the first shell 100 and the second shell 200.

[0057] Optionally, the protrusions 300 are at least two, and the at least two protrusions 300 are arranged at intervals on the surface of the second shell 200; the grooves 400 are at least two, and the at least two grooves 400 are arranged at intervals on the surface of the first shell 100 and correspond to the at least two protrusions 300.

[0058] By setting the at least two protrusions 300 and the at least two grooves 400, the grooves 400 and the protrusions 300 are one-to-one embedded, which can further improve the connection stability between the first shell 100 and the second shell 200, avoid relative movement or sliding between the first shell 100 and the second shell 200, and improve the reliability. And the wave-shaped texture formed by each protrusion 300 and groove 400 can reduce the deformation of the first shell 100 and the second shell 200, and avoid stress concentration.

[0059] Optionally, the curvature of the at least two protrusions 300 gradually increases from the first side of the second shell 200 to the second side of the second shell 200. The at least two protrusions 300 form a radial water ripple shape, improving the aesthetic appearance and enhancing the brand recognition and market competitiveness.

[0060] Optionally, the line between the first side and the second side passes through the center point of the second shell 200. In this way, the larger surface of the second shell 200 can be provided with protrusions 300. It can be understood that the texture on the surface of the second shell 200 is presented by the protrusions 300. By the above setting mode, the larger surface of the second shell 200 can present the texture, improving the aesthetic appearance.

[0061] Second embodiment

[0062] Figure 3 Structure diagram of the shell assembly provided by the embodiment of the present application Figure 2 ; Figure 4 For Figure 3 Explosive structure diagramFigure 1 ; Figure 5 For Figure 3 The exploded structure diagram of Figure 2 ; Figure 6 For Figure 3 The exploded structure diagram of Figure 3 ; Figure 7 The structure diagram of the first shell in the shell assembly provided by the embodiment of the present application is shown.

[0063] Referring to Figures 3 to 7 , and combining Figure 1 and Figure 2 , the present application provides a shell assembly, wherein the shell assembly comprises a first shell 100 and a second shell 200, the first shell 100 and the second shell 200 are integrally formed; the first shell 100 covers the surface of the second shell 200, and metal particles are arranged in the second shell 200; the surface of the second shell 200 facing the first shell 100 is provided with a protrusion 300, and the surface of the first shell 100 facing the second shell 200 is provided with a groove 400, and the protrusion 300 and the groove 400 are embedded.

[0064] Optionally, the edge contour shape of the first shell 100 matches the edge contour shape of the second shell 200. Here, the edge contour of the first shell 100 and the second shell 200 can be set to any form of square, circle, ellipse, which can be selected according to actual design needs, and the present application embodiment does not limit this, so as to improve the diversification of selectability.

[0065] Optionally, the edge contour shape of the first shell 100 and the second shell 200 is circular. By being set to circular, better smoothness and fluent edge lines can be presented, so as to improve the aesthetic degree, and the circular first shell 100 and the second shell 200 belong to a body of revolution, which can facilitate processing and production.

[0066] The third embodiment

[0067] In a possible implementation manner, the present application provides a charging device (not shown in the drawings), which is configured to store a smart terminal and charge the smart terminal; the charging device comprises a device main body and the above-mentioned shell assembly, the device main body comprises a shell, and the shell assembly is sleeved outside the shell of the device main body, or the shell of the device main body and the shell assembly are an integral piece.

[0068] Here, the intelligent terminal can be a headset, an earphone, a portable camera, a mobile phone, etc., and the charging device includes a placing cavity, and can be a headset charging box, a charging stand, etc. The intelligent terminal can be placed in the placing cavity for charging. This is the prior art in the field, and the embodiments of the present application do not make specific limitations thereto. By providing the charging device with the above-mentioned shell assembly, the reliability and aesthetics of the charging device can be improved, and the service life of the charging device can be prolonged. Not only the visual effect of the product is improved, but also the user experience is enhanced. Such a design strategy can attract more high-end consumers and improve the market competitiveness and brand value of the product.

[0069] Fourth embodiment

[0070] Figure 8 A structure diagram of the movable mold and the fixed mold in the injection mold provided by the embodiments of the present application is provided; Figure 9 An exploded diagram of the movable mold and the platen provided by the embodiments of the present application is provided.

[0071] Please refer to Figure 8 and Figure 9 , and in combination with Figures 3 to 7 , in a possible implementation manner, the embodiments of the present application provide an injection mold 500 for producing the above-mentioned shell assembly, the mold including a movable mold 510, a fixed mold 520 and a platen 530, the platen 530 being connected to one side of the movable mold 510 facing the fixed mold 520.

[0072] Optionally, the movable mold 510 includes a forming groove 511, the fixed mold 520 is provided with an injection port 521, and when the fixed mold 520 and the movable mold 510 are closed, the first shell 100 and the second shell 200 of the shell assembly are sequentially injection molded in the forming groove 511 through the injection port 521. Optionally, the platen 530 is arranged at the circumferential edge of the shell assembly.

[0073] In the above-mentioned embodiments, first, the fixed mold 520 injects injection material into the forming groove 511 through the injection port 521 to cast the first shell 100, and the first shell 100 is retained in the movable mold 510, then the platen 530 is arranged to stabilize the first shell 100 in the forming groove 511, so as to avoid the first shell 100 from falling out of the forming groove 511, and then the fixed mold 520 injects injection material into the forming groove 511 through the injection port 521 to cast the second shell 200, so that the first shell 100 and the second shell 200 are integrally formed.

[0074] It should be noted that in the prior art, a water gate needs to be opened on the injection molded product, and the material at the water gate position needs to be processed later. Through the above setting mode, the first shell 100 does not need to be opened with a water gate, and the integrity of the second shell 200 is not damaged by the water gate, which has beneficial effects on integrity and aesthetics. The combination of the first shell 100 and the second shell 200 produced by the above method is more natural, and there is no joint or boundary line in the visual, and the overall effect is more three-dimensional and advanced.

[0075] Optionally, the pressing plate 530 is provided with a relief hole 531, which is arranged opposite to the forming groove 511, and the diameter of the relief hole 531 is smaller than the diameter of the forming groove 511, so that the first shell 100 and the second shell 200 cannot pass through the relief hole 531, and the first shell 100 and the second shell 200 can be stably arranged in the forming groove 511, improving the stability and reliability during injection molding.

[0076] Optionally, the forming groove 511 and the relief hole 531 are provided with at least two, and the at least two forming grooves 511 and the at least two relief holes 531 are arranged one by one, so as to increase the number of products produced by one injection molding and improve the work efficiency.

[0077] Optionally, the moving die 510 and the fixed die 520 are two, the two moving dies 510 are provided with the pressing plate 530 and are synchronously rotated, and the two moving dies 510 are configured to alternately close with the two fixed dies 520; the injection port 521 of one of the two fixed dies 520 is configured to inject the first shell 100, and the injection port 521 of the other of the two fixed dies 520 is configured to inject the second shell 200.

[0078] In this way, through the above setting mode, one of the two moving dies 510 rotates to the position of the fixed die 520 for injecting the second shell 200 after completing the injection of the first shell 100, and closes with the fixed die 520, and then injects the second shell 200, and then rotates to the position of the fixed die 520 for injecting the first shell 100 after completing the injection of the second shell 200, and takes out the product, and closes with the fixed die 520 to perform the next round of injection of the first shell 100. The above setting mode can make the two fixed dies 520 and the two moving dies 510 alternately complete the injection cycle of the first shell 100 and the second shell 200, which can improve the production efficiency. In addition, the two fixed dies 520 do not need to change materials, and only need to inject the same injection material, which further improves the production efficiency. At the same time, the assembly steps and manual intervention are reduced, and the production cost and quality control difficulty are reduced.

[0079] Fifth embodiment

[0080] The application provides an injection molding equipment (not shown in the drawings) comprising an equipment body and the injection molding mold 500, the injection molding mold 500 is arranged on the equipment body, the injection molding equipment provided with the injection molding mold 500 can improve production efficiency.

[0081] Optionally, the injection molding equipment further comprises a manipulator (not shown in the drawings), the manipulator is arranged on the equipment body, and the manipulator is configured to take out the shell assembly produced by the injection molding mold 500. The manipulator is prior art in the related field, which can take the operation at a suitable time and position by remotely or mechanically controlling the movement process, and the embodiments of the application do not limit this.

[0082] In the application, for the same or similar term concept, technical scheme and / or application scene description, generally, only the first occurrence is described in detail, and for the sake of brevity, the repeated description is generally not repeated, and for the understanding of the technical scheme of the application, the same or similar term concept, technical scheme and / or application scene description not described in detail can refer to the related description before.

[0083] In the application, the description of each embodiment has its own emphasis, and the part not described or recorded in a certain embodiment can refer to the related description of other embodiments.

[0084] Each technical feature of the technical scheme of the application can be combined arbitrarily, in order to make the description simple, each technical feature in the above embodiments is not described all possible combinations, however, as long as the combination of these technical features does not exist contradictory, it should be considered that the range is recorded in the application.

[0085] The above is only the preferred embodiment of the application, and does not limit the patent scope of the application, any equivalent structure or equivalent process transformation using the content of the application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the application.

[0086] It can be understood that the above scenario is only as an example, and does not constitute the limitation of the application scene of the technical scheme provided by the embodiments of the application, the technical scheme of the application can also be applied to other scenes. For example, those skilled in the art can know that with the evolution of system architecture and the appearance of new business scenarios, the technical scheme provided by the embodiments of the application is also applicable to similar technical problems.

[0087] The serial number of the above embodiments of the application is only for description, not representing the advantages and disadvantages of the embodiments.

[0088] The units in the equipment of the embodiments of the application can be combined, divided and deleted according to actual needs.

[0089] In the present application, for the same or similar term concept, technical scheme and / or application scene description, generally only the first time is described in detail, and the repeated appearance is not repeated in the following, in order to be brief, the same or similar term concept, technical scheme and / or application scene description can be referred to the relevant description before for understanding the technical scheme of the present application.

[0090] In the present application, the description of each embodiment has its own emphasis, and the part not described or recorded in a certain embodiment can be referred to the relevant description of other embodiments.

[0091] The technical features of the technical scheme of the present application can be combined arbitrarily, in order to make the description simple, the possible combination of each technical feature in the above-mentioned embodiments is not described, however, as long as the combination of these technical features does not exist contradictory, should be considered as the range recorded in the present application.

[0092] The above is only the preferred embodiment of the present application, and does not limit the patent scope of the present application, any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A housing assembly, characterized in that: The shell assembly comprises a first shell (100) and a second shell (200), wherein the first shell (100) and the second shell (200) are integrally formed; the first shell (100) covers the surface of the second shell (200), and metal particles are arranged in the second shell (200); a surface of the second shell (200) facing the first shell (100) is provided with a protrusion (300), and a surface of the first shell (100) facing the second shell (200) is provided with a groove (400).

2. The housing assembly according to claim 1, wherein: The first shell (100) is a light-transmitting member; and / or the edge profile shape of the first shell (100) matches the edge profile shape of the second shell (200).

3. The housing assembly according to claim 1, wherein: The protrusion (300) is arc-shaped on the surface of the second shell (200).

4. The housing assembly according to claim 3, wherein: There are at least two protrusions (300), and at least two protrusions (300) are spaced apart on the surface of the second shell (200).

5. The housing assembly according to claim 3, wherein: The curvature of at least two of the protrusions (300) gradually increases from the first side of the second shell (200) to the second side of the second shell (200).

6. A charging device, characterized in that: The charging device comprises the housing assembly according to any one of claims 1 to 5, and is configured to store a smart terminal and charge the smart terminal.

7. An injection mold, characterized in that: The injection mold (500) is used to produce the shell assembly according to any one of claims 1 to 5, and the mold includes a movable mold (510), a fixed mold (520) and a pressure plate (530), wherein the pressure plate (530) is connected to the side of the movable mold (510) facing the fixed mold (520); the movable mold (510) includes a molding groove (511), and the fixed mold (520) is provided with an injection port (521). When the fixed mold (520) and the movable mold (510) are clamped, the first shell (100) and the second shell (200) of the shell assembly are sequentially injection-molded in the molding groove (511) through the injection port (521); the pressure plate (530) is arranged at the circumferential edge of the shell assembly.

8. The injection mold according to claim 7, characterized in that: The pressing plate (530) is provided with an avoidance hole (531), the avoidance hole (531) is arranged opposite to the forming groove (511), and the hole diameter of the avoidance hole (531) is smaller than the diameter of the forming groove (511).

9. The injection mold according to claim 7, characterized in that: There are two movable molds (510) and two fixed molds (520), and both movable molds (510) are provided with the pressure plate (530) and are arranged to rotate synchronously. The two movable molds (510) are configured to alternately engage with the two fixed molds (520); the injection port (521) of one of the two fixed molds (520) is configured to inject the first shell (100), and the injection port (521) of the other of the two fixed molds (520) is configured to inject the second shell (200).

10. An injection molding device, characterized in that: The invention comprises the injection mold (500) according to any one of claims 7 to 9.

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