Self-lubricating sound-producing top

Abstract

This invention relates to a self-lubricating sound-generating gyroscope, comprising a gyroscope body module, a whistling sound-generating module, a self-lubricating module, and a connection stabilization module. The whistling sound-generating module includes a large diabolo head that can be installed in both directions to accommodate forward and reverse sound generation, and a protective shell. The self-lubricating module allows lubricating oil to be added through an oil passage in a modified screw, with the oil permeating through a cotton thread to the mating surface of the planar thrust bearing and steel ball, achieving self-lubrication. The connection stabilization module uses a left-hand fine-pitch thread with an O-ring and a spring washer to ensure a stable connection between the components. This invention achieves the effect of high-speed rotation and sound generation without frequent lubrication, extending service life and improving entertainment and reliability, making it suitable for adult leisure use.

Description

Technical Field

[0001] This invention relates to the field of leisure and entertainment equipment technology, specifically to a self-lubricating sound-generating gyroscope. Background Technology

[0002] As people's living standards improve, cultural entertainment and the construction of spiritual civilization are receiving more and more attention. The traditional leisure equipment, the spinning top, has returned to the public eye, especially favored by middle-aged and elderly groups (such as retirees), and has become an important choice for daily leisure and fitness.

[0003] The core requirements for a spinning top are stable rotation, ease of use, and rich entertainment value. However, existing spinning top products generally suffer from two major flaws in practical applications, making it difficult to meet users' high-quality usage needs: First, the lubrication performance is poor. The existing rotation support structure of gyroscopes (mostly bearings and steel balls) relies on frequent external lubrication. If lubrication is not timely, dry friction is likely to occur between the bearings and steel balls, leading to increased wear. This not only shortens the service life of the gyroscope, but also affects the rotational stability due to increased frictional resistance, and may even cause problems such as rotation interruption or tipping. Secondly, they are limited in function. Most existing gyroscopes only have basic rotation functions and lack additional structures such as sound production, which cannot meet users' diverse needs for auditory experience during leisure time. They are not entertaining enough and fail to improve the user experience. Summary of the Invention

[0004] To address the problems existing in the prior art, the purpose of this invention is to provide a self-lubricating sound-generating gyroscope that has both self-lubricating and sound-generating functions, eliminating the need for frequent lubrication of the gyroscope, thereby improving product lifespan and user experience.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A self-lubricating sound-generating gyroscope, comprising: The gyroscope body has an internal oil reservoir. A rotating support assembly is located at the bottom of the gyroscope body to support its rotation. A sound-generating component, detachably mounted on the top of the gyroscope, is used to generate sound when the gyroscope rotates; An oil reservoir, filled inside an oil reservoir cavity, is used to absorb and store lubricating oil; The oil supply channel is connected to the oil storage chamber and is used to replenish the lubricating oil to the oil storage component; The lubricating oil in the oil reservoir is configured to penetrate the mating surfaces of the rotating support assembly to achieve self-lubrication.

[0006] Furthermore, the sound-generating component has a first mounting posture and a second mounting posture; when the sound-generating component is in the first mounting posture, the sound-generating component is adapted to generate sound when the gyroscope rotates in the first direction; when the sound-generating component is in the second mounting posture, the sound-generating component is adapted to generate sound when the gyroscope rotates in the second direction opposite to the first direction.

[0007] Furthermore, the sound-producing component is a large diabolo head, which is in the first installation posture when the small end is facing upwards, and in the second installation posture when the small end is facing downwards.

[0008] Furthermore, the sound-generating component is fitted with a threaded fastener, which is used to fix the sound-generating component to the gyroscope body. The oil supply channel is an oil passage hole axially opened in the threaded fastener, and the oil passage hole is connected to the oil storage cavity.

[0009] Furthermore, the gyroscope body is fixedly connected to a protective shell, which is fitted onto the outside of the sound-generating component.

[0010] Furthermore, the rotating support assembly includes a planar thrust bearing and steel balls. The planar thrust bearing and steel balls cooperate to form a rotating support structure, and the lubricating oil in the oil reservoir penetrates to the mating surface of the planar thrust bearing and steel balls.

[0011] Furthermore, the axial clearance between the planar thrust bearing and the steel balls is 0.15-0.30 mm.

[0012] Furthermore, a mounting seat is fitted on the outer side of the planar thrust bearing, and an oil reservoir is provided inside the mounting seat. The gyroscope body is fitted outside the mounting seat and connected to the mounting seat through a left-hand fine thread. An elastic preload is fitted on the left-hand fine thread. A friction damping element is provided at the fit clearance between the gyroscope body and the mounting seat.

[0013] Furthermore, the elastic preload is a spring washer or a disc spring; the friction damping component is an O-ring.

[0014] Furthermore, the oil storage component is made of cotton thread.

[0015] In summary, the present invention has the following advantages: 1) Excellent self-lubricating effect and extended service life: This invention uses the high absorbency of cotton thread to store lubricating oil and slowly penetrate it to the rotating mating surface to achieve continuous self-lubrication. There is no need to frequently add lubricating oil, which effectively reduces the friction and wear between the planar thrust bearing and the steel ball, extends the service life of the core components, and ensures that the gyroscope can rotate stably for a long time without tipping over, thus improving the ease of use. 2) Rich flute sound production and strong entertainment value: The integrated flute sound production module uses the large diabolo head as the sound-producing component, producing a pleasant and melodious sound. It can also be installed in both directions to adapt to the forward and reverse rotation of the gyroscope, meeting the needs of users with different usage habits. At the same time, the diabolo protective shell can effectively protect the large diabolo head, avoiding damage from collisions, dust contamination, etc. during use or storage, and extending the service life of the sound-producing component. 3) Stable and reliable connection, safe to use: The gyroscope adopts a left-hand fine thread combined with an O-ring and a spring washer for synergistic stability. The left-hand thread can counteract the loosening torque generated by the high-speed rotation of the gyroscope, the O-ring increases the friction of the mating surface, and the spring washer provides continuous preload. The synergistic effect of the three significantly improves the connection stability between the gyroscope body and the movable head sleeve. Whether the gyroscope is rotating at high speed in the forward or reverse direction, it can effectively prevent the parts from loosening, ensuring safety and reliability in use. 4) Material and Specifications Matched, Highly Practical: The gyroscope body and movable head cover are made of 304 stainless steel, which has good rust resistance and is suitable for outdoor use. The outer diameter of the gyroscope body is precisely controlled at 68mm, which ensures that the gyroscope rotation speed meets the requirements for producing a whistle sound, avoiding problems such as insufficient rotation speed, weak whistle sound, or no sound due to excessive diameter. The overall weight is controlled at 3.2Kg, which avoids insufficient rotational stability due to excessive weight or inconvenience in operation due to excessive weight. It is suitable for adult use, with a clear target audience, convenient operation, and can be widely used in leisure and fitness scenarios. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the invention in its forward rotation state (clockwise rotation when viewed from top to bottom); the diagram shows the installation posture of the large diabolo head with the small end facing upward, the protective position of the protective shell, and the assembly relationship of each core component; Figure 2 This is a schematic diagram of the reversed state of the invention (rotated counterclockwise when viewed from top to bottom); the diagram shows the installation posture of the large diabolo head with the small end facing down and the relative positions of each component; Figure 3 This is a schematic diagram of the gyroscope body structure; the diagram shows the location of the threaded mounting holes of the gyroscope body and the mounting surface structure that mates with the movable head sleeve; Figure 4 This is a schematic diagram of the protective shell structure; Figure 5 This is a schematic diagram of the assembly structure of the gyroscope's movable head, showing the assembly relationship of the movable head sleeve, spring washer, movable head cover, flat thrust bearing, O-ring, and steel ball. Figure 6 This is a schematic diagram of the flexible head sleeve structure; the diagram shows the threaded structure of the flexible head sleeve, the O-ring mounting groove, and the mating surface with the planar thrust bearing; Figure 7This is a schematic diagram of the flexible head cap structure; the diagram shows the cavity structure of the flexible head cap, the mating threads with the modified screw, and the supporting surface with the planar thrust bearing; Figure label: 1. Diabolo head, 2. Modified screw, 3. Protective shell, 4. Socket head screw, 5. Gyroscope body, 6. Cotton thread, 7. Spring washer, 8. Adjustable head cap, 9. Surface thrust bearing, 10. O-ring, 11. Adjustable head sleeve, 12. Steel ball. Detailed Implementation

[0017] The present invention will now be described in further detail.

[0018] A self-lubricating sound-generating gyroscope includes a gyroscope body 5 with an oil storage cavity inside; a rotation support assembly disposed at the bottom of the gyroscope body for supporting the rotation of the gyroscope body; a sound-generating element detachably disposed at the top of the gyroscope body for generating sound when the gyroscope body rotates; an oil storage component filled in the oil storage cavity for absorbing and storing lubricating oil; and an oil supply channel communicating with the oil storage cavity for replenishing lubricating oil to the oil storage component; wherein the lubricating oil in the oil storage component is configured to penetrate to the mating surface of the rotation support assembly to achieve self-lubrication.

[0019] Specifically, the sound-generating component is a hollow bowl-shaped structure, preferably the large diabolo head 1, using a commercially available standard part (model: Aoshunlong, outer diameter 13cm), made of high-strength engineering plastic, possessing excellent sound-generating performance. The large diabolo head has a first installation posture and a second installation posture; when in the first installation posture (small end facing upwards), the large diabolo head is adapted to produce sound when the gyroscope rotates in the first direction (e.g., clockwise); when in the second installation posture (small end facing downwards), the sound-generating component is adapted to produce sound when the gyroscope rotates in the second direction opposite to the first direction (e.g., counterclockwise), meeting the user's sound generation needs for different rotation directions.

[0020] The rotating support assembly includes a planar thrust bearing 9 and steel balls 12. The planar thrust bearing and steel balls cooperate to form a rotating support structure. Lubricating oil in the oil reservoir permeates to the mating surface between the planar thrust bearing and the steel balls. The planar thrust bearing is an imported Japanese NSK brand F8-19M model with a precision grade of P6, ensuring smooth rotation. The steel balls are made of GCr15 bearing steel, 19mm in diameter, with a surface hardness ≥HRC60, providing excellent wear resistance. In this embodiment, the oil storage component is a highly absorbent cotton thread 6.

[0021] A mounting base is fitted on the outer side of the planar thrust bearing. In this embodiment, the mounting base is a movable head sleeve 11. The gyroscope body and the movable head sleeve are made of 304 stainless steel by CNC machining. The outer diameter of the gyroscope body is controlled to be 68mm with a tolerance of ±0.1mm, and the threaded connection hole accuracy is H7. The gyroscope body and the mounting base are connected by a left-hand fine thread, and an elastic preload is fitted on the left-hand fine thread; a friction damping element is provided at the mating gap between the gyroscope body and the mounting base.

[0022] In this embodiment, the friction damping component is an O-ring 10, made of nitrile rubber with a specification of 31*2.4 (outer diameter*wire diameter) and a Shore hardness of 70±5, which has good sealing and wear resistance; the elastic preload component is a spring washer 7, made of 65Mn spring steel with a specification of 18, which has excellent elastic recovery performance. Existing gyroscopes lack protective components for their sound-generating structures, making these components susceptible to damage during use or storage, further reducing the product's practicality. In this embodiment, a protective shell 3 is fixedly attached to the gyroscope body, and the protective shell is fitted over the outside of the sound-generating component. The protective shell is made of ZL102 aluminum alloy through casting and machining, with an anodized surface treatment, making it corrosion-resistant and aesthetically pleasing. The sound-generating component is secured to the gyroscope body via a threaded fastener, which solves the technical problem of unstable connection between the sound-generating structure and the gyroscope body in existing technologies, leading to easy loosening during high-speed rotation. The oil supply channel is an axially formed oil passage hole in the threaded fastener, which communicates with the oil reservoir. In this embodiment, the threaded fastener is a modified screw 2, with a 2.5mm diameter oil passage hole drilled at its axial center. The hole wall is smooth and burr-free, ensuring smooth flow of lubricating oil.

[0023] The protective shell and the gyroscope body have corresponding mounting holes on both sides. Two internal hex screws 4 are inserted into the corresponding mounting holes to firmly connect the protective shell and the gyroscope body.

[0024] Both the internal hex socket screws and the modified screws are made of 35# high-quality carbon structural steel.

[0025] Assembly process: A modular assembly method is adopted to ensure assembly accuracy and efficiency. The specific steps are as follows: Step 1: Assemble the gyroscope head (core rotating support component): Smoothly place the planar thrust bearing into the bearing mounting cavity of the head sleeve, ensuring a tight fit between the outer ring of the bearing and the inner wall of the mounting cavity; place the steel ball above the rolling elements of the planar thrust bearing, adjusting its position so that the steel ball is centered in the bearing; use a feeler gauge to check the axial clearance between the planar thrust bearing and the steel ball, ensuring the clearance is between 0.15-0.30mm to ensure smooth gyroscope rotation and avoid excessive clearance causing rotational wobbling. If the clearance is not up to standard, adjust it by grinding the mating surfaces of the head sleeve; embed the O-ring into the annular groove of the head sleeve, ensuring the O-ring is properly installed and free from twisting; install the head cap 8 on the top of the head sleeve, forming a closed oil reservoir.

[0026] Step 2: Install the self-lubricating components: After combing the cotton thread neatly, fill it tightly into the oil reservoir above the cap. The filling amount should be such that there are no gaps between the cotton thread and the inner wall of the cavity, and it does not affect the subsequent screw installation. Step 3: Assemble the sound-producing module: Adjust the installation posture of the diabolo head according to the user's usual rotation direction (small end facing up for forward rotation, small end facing down for reverse rotation). Install the diabolo head onto the top of the gyroscope body using the snap-fit ​​structure, ensuring a secure and loose installation. Align the protective shell with the mounting hole on the gyroscope body and place it outside the diabolo head, completely covering it. Insert the two Allen screws into the connection holes of the protective shell and the gyroscope body, respectively, and tighten them using a torque wrench. Control the tightening torque to 6-8 N·m to ensure the protective shell is securely fixed and does not affect the sound production of the diabolo head. Slowly screw the modified screw through the diabolo head and protective shell into the M8 threaded hole of the gyroscope body. Control the tightening torque to 8-10 N·m to ensure the screw is tightened and the oil passage and oil reservoir are connected without blockage.

[0027] Step 4: Overall Assembly: Align the left-hand threaded end of the assembled gyroscope head sleeve with the threaded connection hole of the gyroscope body, put on the spring washer, slowly screw it in and tighten it, and control the tightening torque to 15-20 N·m to ensure that the spring washer is fully compressed and provides a stable axial preload; after assembly, manually rotate the gyroscope head sleeve to check whether the rotation is smooth and without jamming or shaking.

[0028] Step 5: Add lubricating oil: Select machine oil with a viscosity grade of 20# or lower as lubricating oil. Slowly add the lubricating oil from the top of the oil passage hole of the modified screw. Observe the absorption of the cotton thread during the addition process. When the cotton thread has completely absorbed the lubricating oil and no lubricating oil drips from the oil passage hole, stop adding the lubricating oil and complete the assembly.

[0029] Instructions for use: After assembly, users can drive the spinning top using the regular whipping method: When the spinning top needs to rotate clockwise (when viewed from above), ensure the large diabolo head is facing upwards, whip the top to make it spin, and the large diabolo head will produce a pleasant whistling sound as it interacts with the air during rotation; when the spinning top needs to rotate counterclockwise (when viewed from above), simply remove the modification screw, flip the large diabolo head so that the small end is facing downwards, reinstall the modification screw, and whip the top to make it spin; During the spinning top's rotation, the lubricating oil absorbed by the cotton thread will slowly penetrate to the mating surface of the planar thrust bearing and the steel ball due to the centrifugal force and temperature changes generated by the rotation, continuously providing lubrication without the need for frequent lubrication; When the spinning top's rotation resistance increases or the whistling sound weakens, a small amount of lubricating oil can be added through the oil passage; The spring washer and O-ring work together to ensure that the connections of all parts are stable during the high-speed rotation of the spinning top, preventing loosening.

[0030] Performance Verification: Performance tests were conducted on the assembled gyroscope, and the results are as follows: (1) Self-lubricating performance: After rotating continuously for 2 hours, the mating surfaces of the planar thrust bearing and the steel ball were disassembled and inspected. There was still a uniform lubricating oil film covering the surface, with no obvious wear marks and no significant increase in rotational resistance. Under normal use, a single lubrication oil filler can meet the stable rotation requirements for more than 30 hours, without the need for frequent lubrication. (2) Sound production performance: When the gyroscope speed is ≥100r / min, it can produce a clear flute sound. The flute sound is stable and pleasant in both forward and reverse states, without any noise, and can be clearly heard within a range of 20 meters; (3) Connection stability: Drive the gyroscope to high speed (speed ≥ 200 r / min) and continue for 1 hour. After stopping, check the connection of each component. The threaded connection is not loose, the O-ring and spring washer are in good condition, and there is no loose component. (4) Durability: After 100 complete usage cycles (1 hour each time), there is no obvious damage to any part of the gyroscope, and the rotational stability, sound effect and self-lubricating performance are not significantly reduced, meeting the requirements for long-term use.

[0031] The self-lubricating cotton thread, the large diabolo head, and the anti-loosening structure of this invention have a multi-layered synergistic effect: First, after the cotton thread absorbs the lubricating oil, it continues to penetrate to the mating surface of the planar thrust bearing and the steel ball, ensuring that the core rotating support component of the gyroscope is in a low-friction state for a long time. This allows the gyroscope to maintain a stable rotation speed even at high speeds. This stable rotational power is precisely the prerequisite for the diabolo to continuously produce clear and pleasant flute sounds. Secondly, the triple anti-loosening structure of left-hand fine thread, O-ring and spring washer not only effectively avoids the safety hazard of parts loosening under high speed forward and reverse rotation, but also ensures that the oil hole and oil reservoir of the modified screw are always precisely aligned, thereby ensuring that the lubricating oil can penetrate to the mating surface in a long time and avoid the interruption of oil supply due to loose parts. Furthermore, the adaptable design of the large diabolo head, which can be installed in both directions, allows the spinning top to produce sound whether it is rotating at high speed in either direction. This requirement for bidirectional rotation further amplifies the necessity of the triple anti-loosening structure to prevent the left-hand thread from loosening, because the conventional right-hand thread is very easy to loosen when rotating in the opposite direction. In summary, the three elements form a closed-loop positive feedback loop in terms of stable power, continuous lubrication, and reliable connection: stable rotation promotes uniform distribution of self-lubrication, uniform lubrication maintains stable rotation speed, and reliable connection ensures the long-term effectiveness of both. Ultimately, this achieves an integrated technical effect that eliminates the need for frequent lubrication, enables continuous high-speed forward and reverse rotation, prevents loosening during long-term use, and extends service life.

[0032] The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of the present invention shall be considered equivalent substitutions and shall be included within the protection scope of the present invention.

Claims

1. A self-lubricating sound-generating gyroscope, characterized in that, include: The gyroscope body has an internal oil reservoir. A rotating support assembly is located at the bottom of the gyroscope body to support its rotation. A sound-generating component, detachably mounted on the top of the gyroscope, is used to generate sound when the gyroscope rotates; An oil reservoir, filled inside an oil reservoir cavity, is used to absorb and store lubricating oil; The oil supply channel is connected to the oil storage chamber and is used to replenish lubricating oil to the oil storage component; The lubricating oil in the oil reservoir is configured to penetrate the mating surfaces of the rotating support assembly to achieve self-lubrication.

2. The self-lubricating sound-generating gyroscope according to claim 1, characterized in that: The sound-generating component has a first mounting posture and a second mounting posture; when the sound-generating component is in the first mounting posture, the sound-generating component is adapted to generate sound when the gyroscope rotates in a first direction; when the sound-generating component is in the second mounting posture, the sound-generating component is adapted to generate sound when the gyroscope rotates in a second direction opposite to the first direction.

3. The self-lubricating sound-generating gyroscope according to claim 2, characterized in that: The sound-producing component is the large disc head of a diabolo. When the small end is installed facing upwards, it is in the first installation posture, and when the small end is installed facing downwards, it is in the second installation posture.

4. The self-lubricating sound-generating gyroscope according to claim 1, characterized in that: The sound-generating component is fitted with a threaded fastener, which is used to fix the sound-generating component to the gyroscope body. The oil supply channel is an oil passage hole axially opened in the threaded fastener, and the oil passage hole is connected to the oil storage cavity.

5. The self-lubricating sound-generating gyroscope according to claim 1, characterized in that: The gyroscope body is fixed to a protective shell, which is fitted onto the outside of the sound-generating component.

6. The self-lubricating sound-generating gyroscope according to claim 1, characterized in that: The rotating support assembly includes a planar thrust bearing and steel balls. The planar thrust bearing and steel balls cooperate to form a rotating support structure. The lubricating oil in the oil reservoir penetrates to the mating surface between the planar thrust bearing and the steel balls.

7. The self-lubricating sound-generating gyroscope according to claim 6, characterized in that: The axial clearance between the planar thrust bearing and the steel balls is 0.15-0.30 mm.

8. The self-lubricating sound-generating gyroscope according to claim 6, characterized in that: A mounting base is fitted on the outer side of the planar thrust bearing. An oil reservoir is provided inside the mounting base. The gyroscope body is fitted outside the mounting base and connected to the mounting base by a left-hand fine thread. An elastic preload is fitted on the left-hand fine thread. A friction damping element is provided at the fit clearance between the gyroscope body and the mounting base.

9. The self-lubricating sound-generating gyroscope according to claim 8, characterized in that: The elastic preload component is a spring washer or a disc spring; the friction damping component is an O-ring.

10. The self-lubricating sound-generating gyroscope according to claim 1, characterized in that: The oil reservoir is made of cotton thread.

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