Rotary cover plate device

Abstract

The utility model discloses a rotary cover plate device and relates to the technical field of rotary devices. The device comprises a shell, a cover plate rotationally assembled on the shell, and a rotating assembly arranged between the shell and the cover plate. The rotating assembly comprises a cover plate blocking piece assembled at one end of the cover plate, a rotating shaft arranged on the cover plate blocking piece in a penetrating mode and a torsion spring assembled on the cover plate blocking piece. The shell comprises a limiting piece and a blocking groove, one end of the limiting piece is arranged on the shell, the other end of the limiting piece extends towards one side of the cover plate blocking piece to form a free end, and the blocking groove is formed in one side facing the limiting piece; when the cover plate is closed on the shell, the torsion spring deforms to generate torque, when the cover plate is in the open state, the torque of the torsion spring drives the cover plate to bounce quickly, and when the cover plate blocking piece makes contact with the inner side of the limiting piece and slides on the inner side of the limiting piece in a friction mode, the cover plate slows down to rotate, and the cover plate is opened at a set angle. By the adoption of the technical scheme, compared with a traditional damper, the rotating damping effect of the cover plate can be kept, and the advantages of being simple in structure and low in cost are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of rotating devices, in particular to a rotating cover device. Background Art

[0002] In many application scenarios, covers (such as equipment box doors, furniture drawer fronts, etc.) need to be opened and closed frequently. In order to ensure that the cover can open and close smoothly and quietly, dampers are traditionally used to control the opening speed of the cover. The damper absorbs and disperses the kinetic energy generated when the cover is opened through fluid resistance or other physical principles, thereby slowing down the movement of the cover and reducing noise and impact force. Although the damper solves the problem of rapid opening and closing to a certain extent, it still has some technical limitations and problems. The effect of the damper may gradually weaken due to wear, aging or internal fluid leakage, resulting in a deterioration of the damping effect. At the same time, the internal structure of the damper is complex. Once a problem occurs, the entire component often needs to be replaced, which increases maintenance costs. Utility Model Content

[0003] The purpose of the present invention is to provide a rotating cover plate device to address the defects and shortcomings of the existing technology, which can not only maintain the damping effect of the cover plate rotation, but also has the advantages of simple structure and low cost.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is as follows: a rotating cover plate device, comprising: a housing, a cover plate with one end rotatably mounted on the housing and the other end being a free end, and a rotating assembly arranged between the housing and the cover plate;

[0005] The rotating assembly comprises:

[0006] a cover plate stopper, assembled on one end of the cover plate;

[0007] A rotating shaft is provided on the cover plate baffle; and

[0008] a torsion spring, mounted on the cover plate baffle, and configured to drive the cover plate to rotate;

[0009] The housing comprises:

[0010] a limiting member, one end of which is provided on the housing and the other end of which extends toward one side of the cover plate stopper as a free end, the limiting member being used to limit the rapid flipping of the cover plate stopper; and

[0011] a blocking groove, provided on a side facing the limiting member, the blocking groove being used to prevent the torsion spring from deforming;

[0012] When the cover is closed on the shell, the torsion spring deforms to generate torque. When in the open state, the torque of the torsion spring drives the cover to bounce up quickly. When the cover baffle contacts the inner side of the limiter and slides with friction on the inner side of the limiter, the cover slows down its rotation, so that the cover is opened at a set angle.

[0013] The present invention is further provided with a guiding inclined surface on a side of the limiting member facing away from the cover plate, and when the cover plate is rotated to open, the cover plate stopper slides along the guiding inclined surface into the inner side of the limiting member.

[0014] The present invention is further provided with a limiting baffle protruding outwardly provided on the inner side of the limiting member.

[0015] The present invention is further provided with that the cover plate baffle and the limiting member are both made of ABS material.

[0016] The present invention is further provided with that the cover plate baffle and the limiting member are both coated with a damping oil layer.

[0017] The utility model further provides that the rotating assembly also includes: a first connecting section arranged in an arc shape at the bottom of the cover plate, and a second connecting section with one end connected to the first connecting section and the other end arranged perpendicular to the cover plate baffle.

[0018] The present invention is further provided with a avoidance hole on the shell for avoiding the rotation of the first connecting section and the second connecting section.

[0019] The utility model is further arranged that the torsion spring is a double torsion spring.

[0020] The utility model is further provided that the torsion spring includes: a connecting frame body passing through the connection between the first connecting section and the second connecting section, a spring body connected to the two ends of the bottom of the connecting frame body, and an end rod extending from the spring body at one end away from the connecting frame body; when the cover plate is rotated and closed on the shell, the end rod is pressed against the blocking groove.

[0021] The utility model is further provided with a mounting hole for the rotation of the rotating shaft.

[0022] After adopting the above technical solution, the beneficial effects of the present invention are as follows: in the present invention, a shell and a cover plate are provided, wherein a rotating assembly is provided between the shell and the cover plate, the rotating assembly includes a cover plate baffle, a rotating shaft and a torsion spring, and driven by the torsion spring, the cover plate can be quickly flipped relative to the shell, and the shell is also provided with a limiter for slowing down the rotation of the cover body and a blocking groove for deforming the torsion spring to generate torque, so that when the cover body is closed on the shell, the torsion spring deforms to generate torque, and when in the open state, the torque of the torsion spring drives the cover plate to bounce up quickly, and when the cover plate baffle rotates and contacts the inner side of the limiter and slides with the inner side of the limiter, a damping force is generated, so that the cover plate slows down the rotation until the cover plate opens at a set angle and stops rotating. Therefore, compared with the traditional damper, the rotating cover plate device not only achieves the damping effect of maintaining the rotation of the cover plate, but also has the advantages of simple structure and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0024] Figure 1 It is a structural schematic diagram of the rotating cover device;

[0025] Figure 2 This is a partial schematic diagram of part A of the rotating cover device in the open state;

[0026] Figure 3 This is a partial enlarged schematic diagram of part A of the rotating cover device;

[0027] Figure 4 This is an exploded schematic diagram of the local structure of part B of the rotating cover device;

[0028] Figure 5 This is a partial enlarged schematic diagram of part B of the rotating cover device;

[0029] Figure 6 It is a structural diagram of the cover plate and the rotating assembly;

[0030] Figure 7 It is a structural diagram of the torsion spring and the rotating shaft.

[0031] Explanation of the accompanying drawings: 100, shell; 110, limit member; 111, guide slope; 112, limit baffle; 120, blocking groove; 130, avoidance hole; 140, mounting hole; 200, cover plate; 300, rotating assembly; 310, cover plate baffle; 320, rotating shaft; 330, torsion spring; 331, connecting frame; 332, spring body; 333, end rod; 340, first connecting section; 350, second connecting section. DETAILED DESCRIPTION

[0032] The present invention will be described in further detail below with reference to the accompanying drawings.

[0033] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

[0034] This embodiment relates to a rotating cover device, referring to Figure 1-Figure 5The invention comprises a housing 100, a cover 200, and a rotating assembly 300. The cover 200 has one end rotatably mounted on the housing 100 and the other end free. The rotating assembly 300 is disposed between the housing 100 and the cover 200. The cover 200 can be rotated open relative to the housing 100 by the rotating assembly 300. The rotating assembly 300 comprises a cover stopper 310, a rotating shaft 320, and a torsion spring 330. The cover stopper 310 is mounted on one end of the cover 200, the rotating shaft 320 passes through the cover stopper 310, and the torsion spring 330 is mounted on the cover stopper 310. The torsion spring 330 is used to drive the cover 200 to rotate. Under the action of the torsion spring 330 and via the rotating shaft 320, the cover 200 quickly pops open from the housing 100. At this time, the torque of the torsion spring 330 is sufficiently large to enable the cover 200 to pop open quickly, thus achieving automatic opening of the cover 200. The housing 100 includes a stopper 110 with one end disposed on the housing 100 and the other end extending toward the cover stopper 310. The stopper 110 is used to prevent the cover stopper 310 from rapidly flipping. The housing 100 also includes a blocking groove 120 disposed toward the stopper 110. The blocking groove 120 is used to prevent deformation of the torsion spring 330, thereby generating torque. Under the action of the torque, the cover 200 rapidly springs open from the housing 100. When the cover stopper 310 rotates and contacts the inner side of the stopper 110, frictionally sliding against the inner side of the stopper 110, the damping force generated slows the rotation of the cover stopper 310 within the stopper 110, effectively slowing the speed at which the cover 200 continues to spring open until it stops rotating. Furthermore, the housing 100 is provided with a switch device for opening and closing the cover 200. When the cover 200 is closed on the shell 100, the torsion spring 330 is deformed to generate torque. When it is in the open state, it only needs to trigger the opening mechanism, and the torque of the torsion spring 330 drives the cover 200 to bounce up quickly. When the cover baffle 310 rotates and contacts the inner side of the limit member 110 and slides with the inner side of the limit member 110, a damping force is generated, causing the cover 200 to slow down its rotation until the cover 200 is opened at a set angle and stops rotating. At the same time, no impact or a small impact is generated when it stops, so that the rotating cover 200 device can not only maintain the damping effect of the cover 200 rotation, but also has the advantages of simple structure and low cost.

[0035] Specifically in this embodiment, the limiting member 110 is in a sheet shape, which not only saves manufacturing materials and simplifies the manufacturing process, but also makes the limiting member 110 simple in overall structure, thus reducing costs. In other embodiments, the limiting member 110 may also be in other shapes.

[0036] In this embodiment, referring to Figure 4-Figure 5A guide bevel 111 is provided on the side of the stopper 110 facing away from the cover 200. When the cover 200 rotates open, the cover stopper 310 slides along the guide bevel 111 into the inner side of the stopper 110. When the cover 200 begins to rotate open, the torque provided by the torsion spring 330 causes the cover 200 to move rapidly. As the cover stopper 310 approaches the stopper 110, it contacts the guide bevel 111, allowing the cover stopper 310 to slide smoothly along the bevel without suddenly encountering resistance. As the cover stopper 310 contacts the guide bevel 111, the rotation speed of the cover 200 gradually slows down. The guide bevel 111 makes the transition from rapid rotation of the cover 200 to a slow stop smoother, reducing impact and noise. Furthermore, the specific structure of the guide bevel 111 is simple, which can reduce costs.

[0037] In this embodiment, referring to Figure 5 The inner side of the limit member 110 is provided with an outwardly protruding limit plate 112, which simplifies the structure and further reduces costs. When the cover plate stopper 310 contacts the limit plate 112, the rotation of the cover plate 200 is limited to a specific angle range. The limit plate 112 also prevents the cover plate 200 from exceeding the predetermined opening range due to excessive torque or external force, thereby improving user safety. In other embodiments, the limit plate 112 can be positioned anywhere inside the limit member 110 to adjust the opening angle.

[0038] In this embodiment, both the cover plate stopper 310 and the stopper 110 are made of ABS material. ABS is a resin material characterized by high strength, good toughness, wear resistance, and high temperature resistance. The cover plate stopper 310 and the stopper 110 made of ABS material have excellent impact resistance, maintaining good performance even after prolonged and frequent use, while also maintaining a good damping effect. In other embodiments, the cover plate stopper 310 and the stopper 110 may also be made of other materials.

[0039] In this embodiment, both the cover plate stopper 310 and the stopper 110 are coated with a damping oil layer. When the cover plate stopper 310 and the stopper 110 come into contact, the damping oil layers on their surfaces interact, slowing the relative motion between the cover plate stopper 310 and the stopper 110, further enhancing the damping effect and reducing impact and noise. In other embodiments, the cover plate stopper 310 and the stopper 110 may also be coated with other materials.

[0040] In this embodiment, referring to Figure 4-Figure 5 、 Figure 6The rotating assembly 300 also includes: a first connecting section 340 that is arranged in an arc shape at the bottom of the cover 200, and a second connecting section 350 that is connected to the first connecting section 340 at one end and is arranged perpendicular to the cover baffle 310 at the other end. The arc shape of the first connecting section 340 affects the angle and strength of the contact between the cover baffle 310 and the limiting piece, thereby affecting the smoothness and speed of the opening of the cover 200. The second connecting section 350 is connected to the cover baffle 310, and controls the opening speed of the cover 200 by cooperating with the first connecting section 340. The first connecting section 340 and the second connecting section 350 ensure a stable connection between the cover 200 and the rotating assembly 300, and both play a damping and positioning role. Furthermore, the bottoms of the first connecting section 340 and the second connecting section 350 are both provided with grooves that pass through from front to back.

[0041] In this embodiment, the housing 100 is further provided with an escape hole 130 to prevent the first connecting section 340 and the second connecting section 350 from rotating. The escape hole 130 provided in the housing 100 is used to avoid the rotation path of the first connecting section 340 and the second connecting section 350, ensuring that the cover 200 can be opened and closed smoothly, while reducing unnecessary structural design and lowering costs.

[0042] In this embodiment, referring to Figure 7 The torsion spring 330 is a double torsion spring. The double torsion spring design can provide a more uniform torque output, ensuring that the cover 200 is more stable during the opening process.

[0043] In this embodiment, referring to Figure 4-Figure 5 、 Figure 7 The torsion spring 330 comprises a connecting frame 331, a spring body 332, and an end rod 333, which provides the necessary torque to enable the cover 200 to open or close at a predetermined angle. The connecting frame 331 extends through the junction of the first connecting section 340 and the second connecting section 350 to support the spring body 332. The spring body 332 is connected to both ends of the bottom of the connecting frame 331, providing torque. Furthermore, the two spring bodies 332 are respectively mounted on both ends of the rotating shaft 320. The end rod 333 extends from the end of the spring body 332 away from the connecting frame 331. When the cover 200 rotates and closes on the housing 100, the end rod 333 presses against the blocking groove 120, causing the spring body 332 to deform and generate torque, providing sufficient rotational force for the cover 200 to quickly flip. As the torsion spring 330 drives the cover 200 to rotate open, the end rod 333 disengages the blocking groove 120.

[0044] In this embodiment, the housing 100 is further provided with a mounting hole 140 for the rotation of the shaft 320. The mounting hole 140 not only provides a support point for the shaft 320, but also supports the cover plate stopper 310 to rotate at a fixed height, thereby ensuring smooth and unobstructed rotation of the cover plate 200.

[0045] When the cam 330 is in the closed position, the spring 333 of the locking cam 330 is in the closed position, and the locking cam 330 of the locking cam 330 is in the open position, so that the cam 330 of the locking cam 330 is in the closed position.

[0046] The above is only used to illustrate the technical solution of the present invention and is not intended to limit it. Other modifications or equivalent substitutions made to the technical solution of the present invention by ordinary technicians in this field should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A rotary cover device, characterized in that: include: A housing (100), a cover plate (200) with one end rotatably mounted on the housing (100) and the other end being a free end, and a rotating assembly (300) disposed between the housing (100) and the cover plate (200); The rotating assembly (300) comprises: A cover plate stopper (310) is mounted on one end of the cover plate (200); A rotating shaft (320) is provided on the cover plate baffle (310); and a torsion spring (330), mounted on the cover plate stopper (310), the torsion spring (330) being used to drive the cover plate (200) to rotate; The housing (100) comprises: a limiting member (110), one end of which is arranged on the housing (100) and the other end of which extends toward one side of the cover plate stopper (310) as a free end, the limiting member (110) being used to limit the rapid flipping of the cover plate stopper (310); and a blocking groove (120), provided on a side facing the limiting member (110), the blocking groove (120) being used to block deformation of the torsion spring (330); When the cover plate (200) is closed on the housing (100), the torsion spring (330) deforms to generate torque. When in an open state, the torque of the torsion spring (330) drives the cover plate (200) to quickly bounce up. When the cover plate stopper (310) contacts the inner side of the limiting member (110) and slides frictionally with the inner side of the limiting member (110), the cover plate (200) slows down its rotation, so that the cover plate (200) is opened at a set angle.

2. The rotary cover device according to claim 1, characterized in that: A guide slope (111) is provided on the side of the limiting member (110) facing away from the cover plate (200); when the cover plate (200) is rotated to open, the cover plate stopper (310) slides along the guide slope (111) into the inner side of the limiting member (110).

3. The rotary cover device according to claim 2, characterized in that: An outwardly protruding limiting baffle (112) is provided on the inner side of the limiting member (110).

4. The rotary cover device according to any one of claims 1 to 3, characterized in that: The cover plate stopper (310) and the limiting member (110) are both made of ABS material.

5. The rotary cover device according to claim 4, characterized in that: The cover plate stopper (310) and the limiting member (110) are both coated with a damping oil layer.

6. The rotary cover device according to claim 1, characterized in that: The rotating assembly (300) further comprises: a first connecting section (340) arranged in an arc shape at the bottom of the cover plate (200), and a second connecting section (350) having one end connected to the first connecting section (340) and the other end arranged perpendicularly to the cover plate stopper (310).

7. The rotary cover device according to claim 6, characterized in that: The housing (100) is also provided with a relief hole (130) for preventing the first connecting section (340) and the second connecting section (350) from rotating.

8. The rotary cover device according to claim 6, characterized in that: The torsion spring (330) is a double torsion spring.

9. The rotary cover device according to claim 8, characterized in that: The torsion spring (330) comprises: a connecting frame (331) passing through the connection between the first connecting section (340) and the second connecting section (350), a spring body (332) connected to both ends of the bottom of the connecting frame (331), and an end rod (333) extending from one end of the spring body (332) away from the connecting frame (331); when the cover plate (200) is rotated and closed on the shell (100), the end rod (333) presses against the blocking groove (120).

10. The rotary cover device according to claim 1, characterized in that: The housing (100) is also provided with a mounting hole (140) for the rotating shaft (320) to rotate.

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