Flip device and protective equipment

Abstract

The utility model discloses a kind of flip device and protective equipment, it is related to protective equipment technical field.The flip device includes base and cover plate, base is provided with opening, base and cover plate, one of them is provided with pull plate, the other is provided with pull shaft, pull plate is hooked in pull shaft, and pull plate can rotate relative to pull shaft, to make cover plate switch between the shielding state of cover being set in opening and the opening state of opening opening. Effectively simplify the structure design, avoid the dependence of complex mould and special components, with the advantages of simple structure, low manufacturing cost, reliable connection, avoid the advantages of cover plate falling off.

Description

Technical Field

[0001] This utility model belongs to the field of protective equipment technology, and in particular relates to a flip cover device and protective equipment. Background Technology

[0002] In everyday life and industrial applications, flip covers are widely used to shield and protect internal components, such as in electronic devices, mechanical housings, or storage containers, to prevent damage from dust, moisture, or accidental contact. However, existing flip cover designs face many challenges in practical applications.

[0003] Specifically, some designs use a combination of plastic materials and hinges. While this achieves basic rotation, the injection molding process involves high-precision molds and cumbersome manual operations, significantly increasing manufacturing costs. Other designs rely on mechanical connections of hinges and latches. Although structurally stable, the high unit price of specialized components and numerous assembly steps further increase overall costs. Furthermore, while pure plastic snap-fit ​​structures simplify the production process, their insufficient material strength makes them prone to loosening or detachment under slight external forces, failing to provide reliable long-term protection. These shortcomings not only limit the widespread application of flip-top devices but also affect the user experience and overall reliability of the equipment. Summary of the Invention

[0004] The purpose of this utility model is to provide a flip-top device and protective equipment, which has the advantages of simple structure, low manufacturing cost, reliable connection and prevention of cover plate falling off.

[0005] To address the aforementioned problems, this utility model provides a flip cover device, comprising a base and a cover plate. The base has an opening, and one of the base and the cover plate is provided with a pull plate, while the other is provided with a pull shaft. The pull plate is hooked onto the pull shaft, and the pull plate is rotatable relative to the pull shaft, so that the cover plate switches between a covered state covering the opening and an open state with the opening open.

[0006] As a further improvement to the above technical solution: In one embodiment, the pull plate includes a connecting section and an arc-shaped section, one end of the connecting section is mounted to the base or the cover plate, the arc-shaped section is mounted to the other end of the connecting section, and the arc-shaped section is hooked to the pull shaft.

[0007] In one embodiment, the pull shaft is mounted on the base or the cover plate via a support frame, and the surface of the pull shaft that can contact the arc segment is arc-shaped.

[0008] In one embodiment, the bending direction of the arc segment is the same as the rotation direction of the cover plate when it switches from the covered state to the open state.

[0009] In one embodiment, the base and the cover plate, one of which is provided with a mounting block and a first connector, the mounting block having a slot, and the other is provided with a rotating shaft and a second connector, the rotating shaft being able to be engaged in the slot and being able to rotate relative to the mounting block, and when the cover plate is in the shielded state, the first connector and the second connector are detachably connected.

[0010] In one embodiment, the cover plate is provided with a handle for driving the cover plate to rotate relative to the base.

[0011] In one embodiment, the handle portion has a handle groove, and the opening of the handle groove faces the side away from the pull plate.

[0012] In one embodiment, the handle protrudes from the outer surface of the cover plate.

[0013] In one embodiment, when the cover plate is in the shielded state, the outer surface of the base and the outer surface of the cover plate are on the same plane.

[0014] On the other hand, this utility model embodiment provides a protective device, including the above-mentioned flip cover device.

[0015] The flip-top device and protective equipment provided in this utility model embodiment have at least the following advantages compared with the prior art: by setting the pull plate hook on the pull shaft, the structural design is effectively simplified, avoiding reliance on complex molds and special parts, and has the advantages of simple structure, low manufacturing cost, reliable connection, and prevention of cover plate falling off. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is an exploded view of the flip cover device provided in one embodiment of the present invention when it is in a covered state; Figure 2 This is a schematic diagram of the flip cover device provided in one embodiment of the present invention when it is in the open state; Figure 3 This is an exploded view of the flip cover device provided in one embodiment of the present invention when it is in the open state.

[0018] The reference numerals in the accompanying drawings are as follows: 100-Flip cover device, 110-Base, 111-Opening, 112-Mounting block, 113-First connector, 114-Slot, 124-Pull shaft, 120-Cover plate, 121-Rotating shaft, 122-Second connector, 123-Pull plate, 124-Handle. Detailed Implementation

[0019] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0020] In the description of this utility model, it should be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] In the design and manufacturing of flip-top devices, existing technologies employing plastic hinges, plastic pivots, or pure plastic snap fasteners significantly increase the overall structural complexity, leading to high manufacturing costs, insufficient connection strength, and susceptibility to accidental disassembly. The structural complexity stems from the need to assemble multiple components, increasing the requirements for mold forming processes and making manual assembly cumbersome. Cost issues involve the combined effect of material unit prices and assembly costs. Strength deficiencies manifest as easy failure of connection points under external forces. The ease of disassembly reduces the product's reliability during long-term use, thus affecting the device's functional stability and user safety.

[0023] When using a plastic hinge, the mold requires high-precision machining to achieve the fit between the hinge and the base, leading to a longer production cycle and a higher scrap rate. Hinge solutions, due to the higher unit price of metal components and the need for additional fasteners during assembly, significantly increase manufacturing costs. Meanwhile, pure plastic snap-fit ​​solutions are susceptible to detachment from the snap-fit ​​structure under frequent user opening and closing operations, posing a risk of exposing internal components. Therefore, the performance stability of the flip device in this scenario is continuously challenged, equipment maintenance becomes more difficult, and the overall durability of the product is weakened.

[0024] If the aforementioned problems are not addressed, the failure rate of the flip-top device will gradually increase, product lifespan will shorten, user experience will deteriorate, and market competitiveness will decline. Furthermore, structural complexity and cost will constrain mass production efficiency, insufficient connection strength may pose safety hazards, and easy disassembly will further exacerbate uncontrollable risks during transportation and use. Therefore, a technical solution that effectively balances structural simplification, cost control, strength assurance, and ease of operation is urgently needed.

[0025] For this, please refer to Figures 1 to 3 This application proposes a flip cover device 100, including a base 110 and a cover plate 120. The base 110 has an opening 111. The base 110 and the cover plate 120 are provided with a pull plate 123 and a pull shaft 124, respectively. The pull plate 123 is hooked to the pull shaft 124 and can rotate relative to the pull shaft 124. The rotating shaft 121 and the pull shaft 124 are coaxially arranged. The cooperation between the pull plate 123 and the pull shaft 124 can prevent the cover plate 120 from falling off.

[0026] This application relates to a flip cover device 100, wherein the base 110 has an opening 111, and a component that needs to be protected, such as a socket or switch, can be installed at the opening 111.

[0027] Specifically, pull plate 123 refers to a plate-like structure for providing mechanical hook connection, which can be implemented using a U-shaped hook plate or an arc-shaped hook plate, with the purpose of forming an independent axial constraint point to prevent the cover plate 120 from accidentally detaching; pull shaft 124 refers to a shaft-like component for cooperating with pull plate 123, which can be implemented using a cylindrical pin or a stepped shaft, with the purpose of supporting pull plate 123 and allowing relative rotation; hook setting refers to the mechanical connection method between pull plate 123 and pull shaft 124, with the purpose of maintaining rotational freedom while providing radial limit; coaxial setting means that the center lines of rotating shaft 121 and pull shaft 124 coincide, which can be implemented using precision alignment assembly or shared positioning holes, with the purpose of ensuring the coordination and consistency of rotational movements.

[0028] Specifically, the solution of this application fixes the pull plate 123 to either the base 110 or the cover plate 120, and forms a hook connection with the pull shaft 124 on the other component. When the cover plate 120 rotates around the pivot 121 to switch states, the coaxial configuration of the pull plate 123 and the pull shaft 124 eliminates motion interference caused by different axes. At the same time, the hook connection applies a radial constraint force, effectively preventing the cover plate 120 from detaching in the radial direction under vibration or external force, thereby enhancing the overall stability of the structure while maintaining the flipping function.

[0029] As a specific implementation method, the solution of this application is implemented as follows: A cylindrical pull shaft 124 is provided on the base 110, and an arc-shaped hook-shaped pull plate 123 is provided on the cover plate 120. The pull plate 123 is hooked on the outer periphery of the pull shaft 124, so that when the cover plate 120 rotates around the rotating shaft 121, the pull plate 123 can rotate synchronously around the pull shaft 124 without separation, thus preventing the cover plate 120 from separating from the base 110. Moreover, the center lines of the rotating shaft 121 and the pull shaft 124 are strictly aligned to ensure a smooth and unobstructed movement trajectory.

[0030] This embodiment avoids the complex assembly process of traditional hinges or latches through the above-described structural integration, reduces the number of parts and manufacturing costs, and provides a fixed ability to prevent accidental detachment through detachable connection, thereby solving the problems of complex structure, high cost, low strength and easy disassembly in the prior art.

[0031] In this embodiment, the base 110 and the cover plate 120 are provided, one of which is provided with a mounting block 112 and a first connector 113. The mounting block 112 has a slot 114. The other is provided with a rotating shaft 121 and a second connector 122. The rotating shaft 121 can be locked in the slot 114 and can rotate relative to the mounting block 112 so that the cover plate 120 can switch between a covered state covering the opening 111 and an open state with the opening 111 open. When the cover plate 120 is in the covered state, the first connector 113 and the second connector 122 are detachably connected.

[0032] Specifically, the groove 114 provided in the mounting block 112 refers to the groove structure formed on the mounting block 112 to accommodate the rotating shaft 121. It can be formed by milling a U-shaped groove on the metal mounting block 112 by machining, or by directly forming an arc-shaped groove on the plastic mounting block 112 by injection molding, such as drilling and milling on aluminum alloy material, or molding on polypropylene material. Its main purpose is to provide a mounting position for the rotating shaft 121 and allow relative movement.

[0033] As one embodiment, the ability of the rotating shaft 121 to be engaged in the slot 114 means that the rotating shaft 121 is fixed in the slot 114 but can still rotate. It can be achieved by using an interference fit to press the rotating shaft 121 into the slot 114. For example, the end of the rotating shaft 121 is designed as a cylindrical protrusion, and the slot 114 is a matching cylindrical groove. The engagement is achieved by the elastic deformation generated when it is pressed in. Alternatively, an elastic engagement method can be used. For example, the rotating shaft 121 is provided with an elastic arm, and the slot 114 has a corresponding notch. The elastic arm deforms and engages with the notch. This is mainly to establish a rotational connection without the need for additional bearings or hinge components.

[0034] In the concealed state, the cover plate 120 covers the opening 111 to protect the component located at the opening 111; in the open state, the cover plate 120 rotates relative to the base 110, and the cover plate 120 does not cover the opening 111, allowing the component located at the opening 111 to be exposed through the opening 111. Thus, the cover plate 120 can switch between the concealed state and the open state. The detachable connection between the first connector 113 and the second connector 122 refers to a fixing method that allows them to be separated and reconnected. This can be achieved using a magnetic connection, for example, by providing a permanent magnet in the first connector 113 and a ferromagnetic material sheet in the second connector 122; or by a threaded connection, for example, by having the first connector 113 be an externally threaded post and the second connector 122 be an internally threaded hole, achieving the connection through screwing. This is mainly to provide a fixing effect in the concealed state and facilitate disassembly.

[0035] The working principle of the flip-top device 100 is based on the structural cooperation between the base 110 and the cover plate 120. The base 110 has an opening 111. One of the base 110 and the cover plate 120 is provided with a mounting block 112 and a first connecting member 113. The mounting block 112 has a slot 114. The other is provided with a rotating shaft 121 and a second connecting member 122. The rotating shaft 121 is engaged in the slot 114 and configured to rotate relative to the mounting block 112, thereby switching the cover plate 120 between a covered state covering the opening 111 and an open state with the opening 111 open.

[0036] When the cover plate 120 is in the covered state, the first connector 113 and the second connector 122 are detachably connected to fix the cover plate 120. The direct embedded engagement of the rotating shaft 121 and the slot 114 significantly reduces the number of parts and assembly steps, while ensuring smooth rotation and ease of operation. The detachable connection mechanism is designed to provide sufficient fixing force while retaining the flexibility for easy disassembly, effectively preventing accidental detachment.

[0037] In a preferred embodiment, the base 110 is provided with a mounting block 112 and a first connector 113. The mounting block 112 is made of polycarbonate and has a U-shaped slot 114. The cover plate 120 is provided with a pivot 121 and a second connector 122. The pivot 121 is made of brass and is engaged in the slot 114. The first connector 113 is specifically embodied as an elastic nylon buckle, and the second connector 122 is specifically embodied as a matching rectangular locking hole structure. When the cover plate 120 is rotated to the concealed state, the buckle is engaged in the locking hole, forming a stable and detachable connection. This connection method allows for quick assembly and disassembly without the need for additional fasteners.

[0038] Thus, by integrating key structural elements, this technical solution effectively simplifies the manufacturing process and reduces production costs; the rotation mechanism of the shaft 121 directly embedding into the slot 114 has been proven to improve the strength and reliability of the structure and avoid the problem of easy disassembly due to insufficient strength; the detachable connection provides a firm fixation while allowing convenient operation, solving the defects of complex structure, high cost, low strength and easy accidental disassembly in the prior art, thereby improving the overall practicality and durability of the device.

[0039] In this embodiment, the pull plate 123 includes a connecting section and an arc-shaped section. One end of the connecting section is mounted on the cover plate 120, and the arc-shaped section is mounted on the other end of the connecting section. The arc-shaped section is hooked onto the pull shaft 124. The pull shaft 124 is mounted on the base via a support frame, and the surface of the pull shaft 124 that can contact the arc-shaped section is arc-shaped. The bending direction of the arc-shaped section is the same as the rotation direction of the cover plate 120 when it switches from the covered state to the open state, so that the larger the angle at which the cover plate 120 is open, the greater the interference length between the arc-shaped section and the pull shaft 124, thereby providing a greater force to prevent the cover plate 120 from falling off.

[0040] Through the above solution, this application effectively avoids the cover plate 120 from accidentally falling off the rotating shaft 121 under frequent operation or external vibration environment, and significantly improves the structural integrity and operational safety of the flip cover device 100 during long-term use.

[0041] Please see Figures 1 to 3 This application further proposes that there are two rotating shafts 121, and the pull shaft 124 is located between the two rotating shafts 121.

[0042] The two rotating shafts 121 refer to the structure that provides dual-point support during the rotation of the cover plate 120. They can be implemented by symmetrically arranged cylindrical metal shafts or integrally formed plastic convex shafts. The purpose is to distribute the force during the rotation process and avoid the deflection phenomenon caused by the concentration of force at a single point. The pull shaft 124 is located between the two rotating shafts 121. It can be understood that the axis of the pull shaft 124 is at the center symmetrical position of the axes of the two rotating shafts 121. It can be implemented by independently installed cylindrical pins or a boss integrally formed with the base 110. The purpose is to ensure that the force distribution is balanced when the pull plate 123 and the pull shaft 124 are engaged, and to prevent connection failure caused by excessive local stress.

[0043] Specifically, the solution of this application uses a double-rotating-shaft 121 structure to ensure that the force on the cover plate 120 is evenly distributed along the width direction of the cover plate 120 during the switching between the covered and open states, effectively suppressing the torsional sway caused by the single rotating-shaft 121 system; at the same time, the pull shaft 124 is centrally arranged between the two rotating shafts 121, so that the pull plate 123 always maintains a symmetrical force state when rotating around the pull shaft 124, thereby strengthening the anti-fall-off mechanism throughout the movement of the cover plate 120 and preventing the pull plate 123 and the pull shaft 124 from loosening due to force offset.

[0044] As a specific embodiment, the solution of this application is implemented as follows: the two rotating shafts 121 can be cylindrical stainless steel shafts with the same diameter, symmetrically fixed on the mounting block 112 on the edge of the cover plate 120; the pull shaft 124 can be a cylindrical plastic pin, whose axis is precisely located at the geometric center of the axes of the two rotating shafts 121, and is arranged parallel to the rotating shafts 121.

[0045] Through the above solution, the cover plate 120 is subjected to more uniform and stable force during the state switching process, effectively avoiding shaking and ensuring the reliability of the cooperation between the pull plate 123 and the pull shaft 124, thereby preventing the cover plate 120 from falling off accidentally and improving the rigidity and durability of the overall structure.

[0046] Please see Figures 1 to 3 This application further proposes that the first connector 113 is a snap-fit ​​block and the second connector 122 is a snap-fit ​​groove, and the snap-fit ​​block can snap into the snap-fit ​​groove.

[0047] The first connector 113 is a structural component used to achieve the detachable fixing function. It can be implemented in the form of a snap-fit ​​block. The snap-fit ​​block can be a rigid structure with a raised profile, such as a rectangular protrusion or a trapezoidal protrusion. Its purpose is to form a mechanical interlock through the engagement of the protrusion shape and the mating groove, effectively resisting external forces and preventing the connection from easily disengaging under stress. The second connector 122 is a corresponding structural component that mates with the first connector 113. It can be implemented in the form of a snap-fit ​​groove. The snap-fit ​​groove can be a receiving structure with a concave profile, such as a U-shaped groove or an arc-shaped groove. Its purpose is to provide precise positioning space for the snap-fit ​​block, ensuring uniform stress distribution during the snap-fit ​​process and preventing local concentration that could lead to structural damage. The snap-fit ​​block can snap into the snap-fit ​​groove, meaning that a separable fixed fit relationship is formed between the two. This can be achieved by using elastic snap-fit ​​or interference snap-fit, aiming to balance quick assembly and reliable fixing, improving the overall connection strength while simplifying the operation process.

[0048] Specifically, the solution of this application designs the first connector 113 as a snap-fit ​​block and the second connector 122 as a snap-fit ​​groove. When the cover plate 120 is in the covered state, the snap-fit ​​block is fully embedded in the snap-fit ​​groove, and the interlocking of the protruding and recessed geometric contours forms a structural interlock. The rotating shaft 121 structure between the base 110 and the cover plate 120 allows the cover plate 120 to rotate around the shaft to switch between the covered state and the open state. In the covered state, the interlocking effect of the snap-fit ​​structure effectively restricts the displacement freedom of the cover plate 120, making it difficult for external forces to easily damage the connection. At the same time, the contour design of the snap-fit ​​groove ensures that the force on the snap-fit ​​block is evenly transmitted along the contact surface during the insertion process, avoiding stress concentration caused by point contact or line contact. Thus, while maintaining the basic rotation function of the flip cover device 100, the fixed reliability of the covered state is significantly enhanced.

[0049] As a specific embodiment, the solution of this application is implemented as follows: the first connector 113 is specifically a rectangular snap-fit ​​block disposed on the edge of the cover plate 120, and the second connector 122 is specifically a U-shaped snap-fit ​​groove disposed at the corresponding position of the base 110; when the cover plate 120 covers the opening 111 of the base 110, the rectangular snap-fit ​​block is pressed into the U-shaped snap-fit ​​groove in the vertical direction, and the side wall of the snap-fit ​​block is tightly fitted with the inner wall of the snap-fit ​​groove, so as to achieve a stable snap-fit ​​through the micro-elastic deformation of the material, without the need for additional fasteners.

[0050] Through the above solution, this application effectively solves the problem of easy disassembly caused by insufficient connection strength, so that the flip cover device 100 can reliably resist the externally applied separation force when in the covered state, and ensure the continuous stability of the protective function.

[0051] Please see Figures 1 to 3This application further proposes that the cover plate 120 is provided with a handle 124, which is used to drive the cover plate 120 to rotate relative to the base 110.

[0052] The handle 124 refers to the dedicated gripping area for the user to operate the cover 120. It can be implemented by using grooves, protrusions or surface textured structures. The purpose is to provide a clear point of force application, avoid slippage when operating on the smooth surface of the cover 120, and ensure that the force applied by the user can be effectively transmitted to the rotating mechanism.

[0053] The handle 124 is smooth on all sides and has no gripping mechanism; it can only be held with fingers. Therefore, without any external force, the cover plate 120 can only be rotated around the pivot 121, rather than moved forward for disassembly. The handle 124 has a handle groove, with the groove opening facing away from the pivot 121. When the cover plate 120 is in the covered state, the handle 124 protrudes from the outer surface of the cover plate 120, facilitating the opening of the cover plate 120 when it is in the covered state.

[0054] Specifically, the user applies force through the handle 124, which is directly transmitted to the rotation mechanism consisting of the rotating shaft 121 and the slot 114, enabling the cover 120 to smoothly switch between the covered and open states. Since the handle 124 is an independent operating interface, it effectively disperses the local stress caused by the concentration of force points, preventing additional damage to key components such as the slot 114 or the rotating shaft 121, thereby ensuring the stability and reliability of the rotation process.

[0055] As a specific implementation, the handle 124 can be an arc-shaped groove structure on the edge of the cover plate 120, the outline of which naturally conforms to the human finger. The user's finger can be embedded in the groove to apply rotational torque, driving the cover plate 120 to rotate around the pivot 121. The groove can be set on the outer surface of the cover plate 120, and the surface has an anti-slip texture treatment to enhance grip stability.

[0056] Through the above solution, this application effectively solves the problem of ease of operation, enabling users to accurately locate the force application position, significantly reducing the risk of slippage, while avoiding device damage caused by improper operation, and improving the operational reliability and user experience in frequently switching scenarios.

[0057] In some embodiments of this application, a handle 124 is proposed to drive the cover plate 120 to rotate relative to the base 110. However, in its implementation, since the position of the handle 124 is not specified, when it is located near the pivot 121, the user has difficulty operating it, which affects the user experience.

[0058] For this, please refer to Figures 1 to 3This application further proposes that the handle 124 is located at the end of the cover plate 120 away from the pivot 121.

[0059] Specifically, the handle 124 refers to the part operated by the user to drive the cover plate 120 to rotate. It can be implemented using structures such as grooves or protrusions, with the purpose of providing a point of force application for the user, so as to effectively transmit the operating force during rotation.

[0060] The solution of this application sets the handle 124 at the end of the cover plate 120 away from the rotating shaft 121, and uses the rotating shaft 121 as the fulcrum to form a long effective lever arm. This allows the small force applied by the user to generate sufficient torque during rotation, thereby driving the cover plate 120 to rotate relative to the base 110, thus avoiding the phenomenon of laborious operation caused by the lever arm being too short.

[0061] As a specific embodiment, the solution of this application is implemented as follows: the handle 124 is specifically an arc-shaped groove opened on the edge of the cover plate 120. The groove is located at the end of the cover plate 120 away from the rotating shaft 121, and the user's finger can be inserted into the groove to apply force.

[0062] The above solution effectively solves the problem of laborious operation for users and significantly improves the ease of operation and user experience of the flip cover device 100.

[0063] Please see Figures 1 to 3 This application further proposes that the first connector 113 or the second connector 122 is located at the end of the cover plate 120 away from the rotating shaft 121.

[0064] The first connector 113 or the second connector 122 can be understood as a connection structure that enables detachable fixing in a concealed state. It can be implemented by a snap-fit, magnetic or hook-type connection mechanism. Its purpose is to enhance the resistance to external forces by optimizing the connection position. The end of the cover plate 120 away from the rotating shaft 121 specifically refers to the end area of ​​the cover plate 120 where the connector is arranged. Its purpose is to use the lever principle to increase the resistance torque of the connection point by increasing the length of the lever arm, thereby effectively resisting the tendency of external prying.

[0065] Specifically, the solution of this application positions the first connector 113 or the second connector 122 at the end of the cover plate 120 away from the rotating shaft 121. When an external force is applied to the surface of the cover plate 120, since this position is far from the rotating shaft 121, according to the lever principle, a larger resistance torque is generated under the same external force, so that the connection mechanism can more firmly resist the prying tendency of the cover plate 120. At the same time, this layout optimizes the stress distribution path, avoids local stress concentration caused by the short lever arm when the connection point is close to the rotating shaft 121, ensures the uniform transmission of connection strength in the shielded state, and thus maintains the stability of the connection.

[0066] As a specific embodiment, the solution of this application is implemented as follows: the first connector 113 is a magnetic adsorption block disposed at the end of the cover plate 120 away from the rotating shaft 121, and the second connector 122 is an iron adsorption sheet disposed at the corresponding position of the base 110; when the cover plate 120 is in a shielded state, the magnetic adsorption block and the iron adsorption sheet attract each other to achieve a detachable connection. This structure can effectively disperse stress when subjected to external impact.

[0067] Please see Figures 1 to 3 This application further proposes that there are two first connectors 113 and two second connectors 122, with the two first connectors 113 or the two second connectors 122 located on both sides of the end of the cover plate 120 away from the rotating shaft 121.

[0068] Specifically, the fact that there are two first connectors 113 and two second connectors 122 means that the connection points adopt a dual-point design structure. This can be achieved by using symmetrically arranged snap-fit, magnetic, or threaded connection structures. The purpose is to distribute the external force by increasing the number of connection points and avoid overload failure of a single connection point due to concentrated force. The fact that the two first connectors 113 or the two second connectors 122 are located on both sides of the end of the cover plate 120 away from the rotating shaft 121 can be understood as the connectors being symmetrically distributed on the edge of the cover plate 120. This can be achieved by setting an independent connection unit at each end of the cover plate 120. The purpose is to ensure that the external force is evenly distributed and to prevent the cover plate 120 from deflecting or tilting, thereby improving the connection stability.

[0069] Specifically, the solution of this application sets the first connector 113 and the second connector 122 as two, and arranges them symmetrically on both sides of the end of the cover plate 120 away from the rotating shaft 121. This allows the two connection points to work together to bear external forces when the cover plate 120 is in the shielded state, effectively dispersing stress distribution and avoiding the risk of connection failure caused by stress concentration at a single connection point. At the same time, the location is chosen to be at the end away from the rotating shaft 121, which can make full use of the characteristics of this area to bear the main opening and closing forces during the switch operation, so that the connection points on both sides can resist accidental pulling or vibration evenly, thereby forming a complete stress dispersion mechanism and significantly enhancing the structural stability in the shielded state.

[0070] As a preferred embodiment, the solution of this application is specifically implemented as follows: The cover plate 120 is provided with snap-fit ​​blocks on both sides of the end away from the rotating shaft 121 as first connecting members 113, and the base 110 is provided with snap-fit ​​grooves at corresponding positions as second connecting members 122. The snap-fit ​​blocks are snapped into the snap-fit ​​grooves to achieve detachable connection, and the mating surfaces of the snap-fit ​​blocks and the snap-fit ​​grooves adopt an arc transition design to optimize stress distribution.

[0071] Through the above solution, this application effectively prevents the cover plate 120 from shaking and falling off when it is covered, improves the sealing performance and long-term reliability of the device, and can maintain a stable connection state, especially in the case of frequent switching or external vibration.

[0072] This application further proposes that when the cover plate 120 is in a covered state, the outer surface of the base 110 and the outer surface of the cover plate 120 are on the same plane.

[0073] In practical applications, the outer surfaces of the base 110 and the cover 120 being on the same plane means that when the cover 120 is closed and completely covers the opening 111, there is no height difference between their external contact surfaces. This can be achieved by using precision injection molding to control surface flatness, combined with tolerance optimization design, or surface grinding treatment. The purpose is to eliminate structural gaps, prevent external contaminants from accumulating at height differences, and improve the overall visual continuity and tactile comfort of the product. Furthermore, there are no relative protrusions between the two surfaces, only a handle is retained. This handle is smooth around its edges and has no gripping mechanism; it can only be held up with fingers. Therefore, without any positive external force, the cover 120 can only rotate around its pivot point, rather than being moved forward for disassembly.

[0074] Specifically, the solution of this application achieves a smooth and continuous transition between the outer surfaces of the base 110 and the cover 120 in the concealed state through their structural fit. When the cover 120 rotates around the pivot 121 to the concealed position, the contour of the edge of the opening 111 of the base 110 and the geometry of the edge of the cover 120 are precisely matched, ensuring that there are no protrusions or depressions on the outer surface after assembly. This design relies on dimensional precision control during the manufacturing process, enabling the base 110 and the cover 120 to achieve a seamless physical connection in the closed state, thereby effectively blocking the retention path of dust and fine particles and maintaining the uniformity of appearance.

[0075] As a specific implementation method, the solution of this application is implemented as follows: the opening 111 of the base 110 is provided with a flat annular contact surface, and the corresponding edge of the cover plate 120 is polished and made of the same material. During the assembly process, the alignment accuracy is ensured by positioning pins. When the cover plate 120 is rotated to the shielding state, the outer surfaces of the two are tightly fitted together, forming a continuous plane without visual separation. The user can intuitively feel the smooth transition when operating.

[0076] Through the above solution, this application effectively solves the problem of the abrupt appearance caused by the unevenness between the surface of the cover plate 120 and the base 110, significantly reduces the risk of dust accumulation in the gaps, and optimizes the protective performance, so that the flip cover device 100 can meet the functional requirements while taking into account both aesthetics and practicality.

[0077] In another embodiment, this application also discloses a protective device, including a flip cover device 100.

[0078] The core innovation of this embodiment is that by hooking the pull plate 123 onto the outer periphery of the pull shaft 124, the pull plate 123 can rotate synchronously around the pull shaft 124 without separation when the cover plate 120 rotates around the shaft 121, thus preventing the cover plate 120 from detaching from the base 110.

[0079] Meanwhile, the slot 114 of the mounting block 112 and the embedded engagement with the pivot 121 avoid the complex assembly process of traditional hinges or hinges, significantly reducing the number of parts and the difficulty of manufacturing process; the detachable connection mechanism of the first connector 113 and the second connector 122 provides a stable fixation in the shielded state, effectively resisting external forces and preventing the risk of accidental disassembly due to insufficient strength.

[0080] Since the slot 114 structure can be directly formed into the mounting block 112 by machining or injection molding, and the rotating shaft 121 is engaged in the slot 114 by interference fit or elastic snap-fit ​​to achieve relative rotation, the precision requirements of the mold and the cost of manual assembly are greatly reduced. At the same time, the detachable connection adopts magnetic or threaded mechanisms, ensuring the reliability of fixation while retaining the characteristics of convenient operation. Based on this, the solution effectively overcomes the problems of complex molding caused by plastic rotating shaft 121, high cost caused by hinges, and strength defects caused by pure plastic snap-fit ​​in the prior art, and achieves synergistic optimization of structural simplification, cost control and functional stability.

[0081] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model, and should all be included within the protection scope of this utility model.

Claims

1. A flip-top device, characterized in that, The device includes a base and a cover plate. The base has an opening. One of the base and the cover plate is provided with a pull plate, and the other is provided with a pull shaft. The pull plate is hooked to the pull shaft and can rotate relative to the pull shaft so that the cover plate can switch between a covered state covering the opening and an open state with the opening open.

2. The flip-top device according to claim 1, characterized in that, The pull plate includes a connecting section and an arc-shaped section. One end of the connecting section is installed on the base or the cover plate, and the arc-shaped section is installed on the other end of the connecting section. The arc-shaped section is hooked onto the pull shaft.

3. The flip-top device according to claim 2, characterized in that, The pull shaft is mounted on the base or the cover plate via a support frame, and the surface of the pull shaft that can contact the arc segment is arc-shaped.

4. The flip-top device according to claim 2, characterized in that, The bending direction of the arc segment is the same as the rotation direction of the cover plate when it switches from the covered state to the open state.

5. The flip-top device according to claim 1, characterized in that, The base and the cover plate each have a mounting block and a first connector. The mounting block has a slot. The other has a rotating shaft and a second connector. The rotating shaft can be engaged in the slot and can rotate relative to the mounting block. When the cover plate is in the shielded state, the first connector and the second connector are detachably connected.

6. The flip-top device according to claim 1, characterized in that, The cover plate is provided with a handle, which is used to drive the cover plate to rotate relative to the base.

7. The flip-top device according to claim 6, characterized in that, The handle portion has a handle groove, and the opening of the handle groove faces the side away from the pull plate.

8. The flip-top device according to claim 7, characterized in that, The handle protrudes from the outer surface of the cover plate.

9. The flip-top device according to claim 1, characterized in that, When the cover plate is in the shielded state, the outer surface of the base and the outer surface of the cover plate are on the same plane.

10. A protective device, characterized in that, Includes the flip-top device as described in any one of claims 1 to 9.

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