Sound pull rod mechanism with anti-resonance function

Abstract

The utility model relates to the technical field of pull rod sound equipment, in particular to a sound equipment pull rod mechanism with an anti-resonance function, which comprises a pull rod, a sleeve and a clamping piece group. According to the structure of the pull rod and the sleeve, the pull rod can be inserted into the sleeve, contact between the pull rod and the inner hole wall of the sleeve is achieved through the first clamping piece, resonance is reduced, a sliding part on the pull rod wraps part of the length of the pull rod and makes contact with the inner hole wall of the sleeve, and a gap is formed by the unwrapped part. The positions of the pull rods are fixed through the clamping point positions, mounting holes are formed in the pipe wall of the sleeve, the clamping piece elastically penetrates through and abuts against the sliding part, the clamping point positions are in a hole shape, the end of the clamping piece is in an arc shape and is matched with the inner diameter of the holes, and smooth matching is ensured; and the sliding part is made of a plastic material. According to the utility model, resonance between the sound equipment and the pull rod can be effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pull-rod speakers, in particular to a speaker pull-rod mechanism with an anti-resonance function. Background Art

[0002] Portable boom speakers have become very popular for outdoor activities, travel, and parties due to their excellent portability and sound quality. These speakers are usually equipped with a retractable boom and wheels, allowing users to easily move the speakers between different locations.

[0003] The lever structure allows users to adjust the speaker's position as needed, with a built-in rebound component locking the lever in the desired position. However, when the speaker is playing, especially when the music contains strong low-frequency components, the vibration generated by the speaker may be transmitted to the lever structure. This vibration can sometimes cause the lever to collide with the sleeve, generating additional noise. This noise not only interferes with the music playback but can also degrade the overall user experience. Therefore, to improve the user experience of portable lever speakers, reducing vibration-induced noise has become a design issue that needs to be addressed and addressed. Utility Model Content

[0004] The purpose of the present invention is to provide an acoustic pull rod mechanism with an anti-resonance function, so as to solve the problem that the pull rod structure of the pull rod acoustics proposed in the above background art may generate noise when in use.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] An audio pull rod mechanism with an anti-resonance function comprises a pull rod, a sleeve and a clamping member group, wherein the pull rod is inserted into the inner hole of the sleeve; the clamping member group comprises a first clamping member, which is in sliding contact with the pull rod and slidably abuts against the pull rod, suitable for the pull rod to be in sliding contact with the inner hole wall of the sleeve; wherein, when the pull rod is stationary, the first clamping member abuts against the pull rod, so that the pull rod is in contact with the inner hole wall of the sleeve and the first clamping member respectively.

[0007] Furthermore, the pull rod has a sliding portion, which wraps at least a portion of the pull rod along its length, and the sliding portion is in slidable contact with the inner hole wall of the sleeve, wherein a gap is formed between the portion of the pull rod not wrapped by the sliding portion and the inner hole wall of the sleeve.

[0008] Furthermore, the clamping member group has a second clamping member, and the first clamping member and the second clamping member are arranged in sequence along the first direction. A clamping point is provided on the sliding portion, wherein when the pull rod slides, the clamping point can be slidably stopped at the first clamping member or the second clamping member.

[0009] Furthermore, a mounting hole is provided on the tube wall of the sleeve, and the first clamping member and the second clamping member have the same structure. The clamping member is elastic, and the clamping member is passed through the mounting hole and can elastically abut against the sliding part. When the clamping member elastically abuts against the sliding part, the clamping member is at least partially accommodated in the mounting hole.

[0010] Furthermore, the clamping point is configured as a hole, and the clamping member has an end portion at one end close to the sliding portion, the end portion is configured as an arc, and the inner diameter of the hole is adapted to the diameter of the arc.

[0011] Furthermore, the pull rod and the sleeve are constructed in at least two forms, the at least two sleeves are arranged in parallel, the pull rods correspond to the sleeves one by one, and at least two pull rods are selectively connected.

[0012] Furthermore, the sleeve is constructed of a cover plate and a base, and the cover plate and the base are detachably connected.

[0013] Furthermore, the sliding portion is sleeved on the pull rod, and the sliding portion is made of plastic.

[0014] The advantages of the acoustic pull rod mechanism with anti-resonance function described in the utility model over the prior art are:

[0015] The first clamping member is in slidable contact with the pull rod, and the first clamping member is slidably in contact with the pull rod, thereby ensuring contact between the pull rod and the inner hole wall of the sleeve. This design reduces the gap between the pull rod and the sleeve, thereby effectively suppressing the occurrence of resonance.

[0016] When the pull rod is in a stationary state, the first clamping part can tightly abut against the pull rod, so that the pull rod is in contact with the inner hole wall of the sleeve. In this state, even if the speaker vibrates when playing music, the pull rod is not easily displaced, thereby reducing the possibility of resonance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an isometric view of the present utility model;

[0018] Figure 2 for Figure 1 sectional view of

[0019] Figure 3 This is the exploded view of the casing;

[0020] Figure 4 is a partial cross-sectional view of the casing;

[0021] Figure 5 for Figure 4 A magnified view of middle A;

[0022] Figure 6 is the rear view of the casing;

[0023] Figure 7 It is a partial structural schematic diagram of the sliding part;

[0024] Figure 8 A cross-sectional view of the connector.

[0025] Markings and corresponding component names in the accompanying drawings: 10-pull rod, 20-sleeve, 201-cover plate, 202-base, 301-first clamping part, 302-second clamping part, 40-sliding part, 50-clamping point, 60-mounting hole, 70-end. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0027] Example:

[0028] refer to Figures 1-4 , this embodiment provides a speaker pull rod mechanism with an anti-resonance function, wherein the pull rod 10 and the sleeve 20 can be made of aluminum. Aluminum is not only light but also strong, which makes the overall speaker lighter and more durable. The pull rod 10 can be a long strip-shaped component used to support the movement of the speaker equipment to switch between different usage scenarios. The sleeve 20 is a hollow tubular component fixed to the speaker base, designed to accommodate the pull rod 10 and ensure that the pull rod 10 can slide smoothly inside it. The speaker base is equipped with wheels or other mobile auxiliary devices so that users can easily pull the speaker.

[0029] The clamping assembly includes one or more first clamping parts 301, which can maintain contact with the pull rod 10 during the entire sliding process of the pull rod 10 and apply a certain pressure to it, so that the pull rod 10 can fit tightly against the inner hole wall of the sleeve 20, effectively reducing the collision and noise between the pull rod 10 and the sleeve 20 caused by vibration during audio playback. When the pull rod 10 is stationary, the first clamping part 301 abuts against the pull rod 10, so that the pull rod 10 is in contact with the inner hole wall of the sleeve 20 and the first clamping part 301 respectively, further enhancing this stability and reducing the possibility of resonance.

[0030] When the audio system is playing, especially when playing low-frequency music, the vibration generated by the audio system may cause collision between the pull rod 10 and the sleeve 20, thereby generating unnecessary noise. The continuous contact force provided by the first clamping member 301 can effectively reduce the gap between the pull rod 10 and the sleeve 20, thereby greatly reducing the noise caused by resonance.

[0031] Through the above design, the noise caused by resonance is reduced, the sound quality performance during audio playback is significantly improved, and users are provided with a clearer and more pleasant listening experience.

[0032] refer to Figure 5-Figure 6 In some embodiments, considering that the larger the contact area between the pull rod 10 and the sleeve 20, the greater the possibility of resonance noise, a sliding portion 40 is provided on the pull rod 10. The sliding portion 40 can be an integral part of the pull rod 10 and can be integrally formed with the pull rod 10 to ensure the integrity and stability of the structure.

[0033] It is worth noting that the sliding portion 40 wraps around a partial area of ​​the pull rod 10 along the length direction of the pull rod 10, which means that the sliding portion 40 is more protruding relative to other parts of the pull rod 10. In the specific implementation process, the length of the sliding portion 40 can be approximately one-fifth of the total length of the pull rod 10, but this ratio can be adjusted according to actual conditions. When the pull rod 10 slides in the sleeve 20, the sliding portion 40 will move with the pull rod 10 and always maintain contact with the inner hole wall of the sleeve 20, so as to ensure that the pull rod 10 will not generate noise due to shaking during the sliding process.

[0034] It is understandable that due to the design of the sliding portion 40, it protrudes more than the other parts of the pull rod 10, which means that there will be a certain gap between the other parts of the pull rod 10 and the inner hole wall of the sleeve 20. The existence of this gap acts as a buffer. Even if vibration is generated when the speaker plays music, the other parts of the pull rod 10 will not directly contact the sleeve 20, thereby avoiding the generation of collision noise. This not only improves the overall sound quality of the speaker, but also allows users to get a purer listening experience when enjoying music.

[0035] The design of the sliding portion 40 not only simplifies the contact mechanism between the pull rod 10 and the sleeve 20 , but also effectively solves the resonance noise problem by cleverly utilizing the structural gap, thereby improving the user experience of the audio equipment.

[0036] In other embodiments, the snap-fit ​​assembly not only includes a first snap-fit ​​component 301, but also an additional second snap-fit ​​component 302. The two snap-fit ​​components are arranged in sequence along the first direction. At the same time, a number of snap-fit ​​points 50 are provided on the sliding portion 40. These points can contact and be fixed with the first snap-fit ​​component 301 or the second snap-fit ​​component 302 when the pull rod 10 slides. The purpose of such design is to provide more contact points and a more stable fixing effect to reduce the relative movement between the pull rod 10 and the sleeve 20, thereby further suppressing resonance.

[0037] Specifically, when the pull rod 10 slides in the sleeve 20, the clamping point 50 on the sliding part 40 will move along the path between the first clamping part 301 and the second clamping part 302. When the pull rod 10 reaches a predetermined position, the clamping point 50 on the sliding part 40 will be "captured" by the first clamping part 301 or the second clamping part 302, forming a temporary fixed state.

[0038] The advantage of this design is that it allows the user to adjust the pull rod 10 to multiple different positions and it can be reliably fixed in each position. Whether moving the speaker or fixing the speaker, it can ensure that the pull rod 10 will not move unnecessarily due to external vibration or impact. In addition, since the clip can accurately control the position of the pull rod 10, this also means that the speaker can be used at more different heights and angles, thereby increasing the flexibility of use.

[0039] In general, this dual-clip design not only enhances the connection stability between the pull rod 10 and the sleeve 20, but also provides users with more flexible and diverse usage options, further improving the user experience of the portable pull rod 10 speaker.

[0040] refer to Figure 7-Figure 8 In some embodiments, a mounting hole 60 is opened on the tube wall of the sleeve 20 for installing the first clip 301 and the second clip 302. The design of these two clips can be the same and have a certain elasticity, which means that the clip can pass through the mounting hole 60 and can elastically abut the sliding part 40 on the pull rod 10. When the clip contacts the sliding part 40, part of the structure of the clip will be squeezed and accommodated in the mounting hole 60, thereby ensuring that the clip can tightly fix the sliding part 40 and reduce the relative movement between the pull rod 10 and the sleeve 20.

[0041] In specific implementation, the clamping piece can be composed of two parts: a shell and a spring pin. The shell is a metal or plastic component that mainly functions to protect the internal spring pin and provide a fixed mounting point. The shell is mounted at the bottom of the sleeve 20 by bolts or other fasteners. The top of the shell has an opening for the spring pin to extend out and contact the sliding part 40. The internal cavity of the shell is divided into upper and lower parts. The upper part is used to accommodate the spring pin, and the lower part is used to avoid the movement trajectory of the spring pin to ensure that the spring pin can be smoothly extended and retracted.

[0042] The spring pin is inserted into the upper half of the shell's internal cavity, with its bottom end connected to the spring located in the space of the lower half of the shell. The spring pin is a flexible component, usually made of metal, shaped like a needle or a pin. The main body of the spring pin is thin and can freely extend and retract in the internal cavity of the shell. The head of the spring pin is usually wider than the main body and is used to contact the edge of the opening at the top of the shell to prevent the spring pin from completely detaching from the shell.

[0043] When the sliding part 40 on the pull rod 10 approaches the clamping piece, the spring pin begins to contract inward under the pressure of the sliding part 40. At this time, the spring is compressed. Once the clamping point 50 on the sliding part 40 passes the position of the spring pin, the spring pin rapidly pops out under the action of the spring, and the clamping point 50 is clamped by the spring pin, forming an elastic abutment. This elastic abutment allows the sliding part 40 to be fixed at the current position, reducing the relative movement between the pull rod 10 and the sleeve 20.

[0044] Through the above design, the clamping piece achieves self-adaptive adjustment, ensuring that the sliding part 40 can be reliably fixed at different positions, thereby effectively reducing resonance and improving the stability and sound quality of the audio equipment.

[0045] In other embodiments, the clamping point 50 is designed in the form of holes on the sliding part 40. These holes are designed to form an effective connection with the clamping piece, ensuring that the sliding part 40 can be fixed at specific positions.

[0046] The end of the clamping piece near the sliding part 40 has an end 70 that is arc-shaped in structure. The arc-shaped end 70 not only reduces the friction when the clamping piece contacts the sliding part 40, allowing the clamping piece to smoothly enter and exit the hole, but also has a guiding effect, helping the clamping piece automatically align the center when inserted into the hole, reducing the possibility of misalignment.

[0047] It is worth noting that the inner diameter of the hole is matched with the diameter of the arc-shaped end 70 of the clamping piece, meaning that the size of the hole is just right for the end 70 of the clamping piece to smoothly insert without being too loose or too tight. Proper size matching ensures that the clamping piece can firmly fix the sliding part 40 when inserted into the hole, without being too tight to cause difficulty in operation or damage to the components.

[0048] It can be understood that when the hole on the sliding part 40 is aligned with the arc-shaped end 70 of the clip, the arc-shaped end 70 of the clip will naturally insert into the hole to form a stable connection, thereby fixing the position of the pull rod 10. In this state, the pull rod 10 is in a stationary state, and the arc-shaped end 70 of the clip is in contact with the hole to prevent the pull rod 10 from moving at will.

[0049] When the user pulls or pushes the pull rod 10 again, the sliding part 40 will be affected by an external force, and this external force will be transmitted to the clip, causing the clip to be pushed outward. Since the clip is elastic, when the external force is large enough, the arc-shaped end 70 of the clip will be squeezed, causing it to deform slightly and expand outward. This deformation enables the clip to overcome the friction between the clip and the hole, thereby gradually withdrawing from the hole. Once the arc-shaped end 70 of the clip completely withdraws from the hole, the sliding part 40 can continue to move, and the pull rod 10 also moves to a new position.

[0050] When the sliding part 40 moves to a new position, the hole on the sliding part 40 will be aligned with another clip, and the arc-shaped end 70 of the clip will naturally insert into the new hole again to form a new fixing point. This process is repeated, allowing the user to adjust the position of the pull rod 10 at any time and fix the pull rod 10 in a new position after each adjustment.

[0051] Through the above design, the user can not only adjust the position of the pull rod 10 more conveniently, but also ensure the fixing effect after each adjustment, further improving the practicality and user experience of the portable pull rod 10 speaker.

[0052] In some embodiments, there are more than one tie rod 10 and more than one sleeve 20. There are at least two sleeves 20, and these sleeves 20 are arranged in parallel. This means that all sleeves 20 are in the same plane and are spaced uniformly apart from each other, forming a parallel structure. Each sleeve 20 is fixed to the sound base 202 to support and guide the corresponding tie rod 10.

[0053] Each pull rod 10 corresponds to a sleeve 20, that is, each pull rod 10 has a dedicated sleeve 20 for sliding on the speaker base 202. The pull rod 10 can slide along its respective sleeve 20 to adjust the height or position of the speaker to adapt to different usage scenarios.

[0054] At least two pull rods 10 are connected to each other, which means that when the user uses it, multiple pull rods 10 will be operated as a whole instead of moving individually. The connection method can be to fix multiple pull rods 10 together at a certain position through a connecting piece to form an integral structure.

[0055] Through the above design, not only the versatility and adaptability of the audio equipment are enhanced, but also its stability and reliability in different usage scenarios are improved.

[0056] In some embodiments, the sleeve 20 is designed to consist of two parts: a cover 201 and a base 202. The two parts can be detachably connected. This design not only facilitates maintenance and replacement of parts, but also improves the flexibility of the overall structure.

[0057] Specifically, the cover 201 is usually the upper or outer part of the sleeve 20, and its main function is to cover and protect the structure inside the sleeve 20, while providing a smooth surface for the pull rod 10 to slide. The base 202 is the lower or inner part of the sleeve 20, and its main function is to be fixed on the base 202 of the speaker and provide a stable sliding path for the pull rod 10.

[0058] The connection between the cover 201 and the base 202 is detachable, which means that users or technicians can easily separate the two parts for cleaning, inspection or replacement. The detachable connection can be in various ways, such as using screws, snaps, magnets or other quick connection mechanisms.

[0059] The above design not only improves the convenience of maintaining the audio equipment, but also extends the service life of the product. Users can easily disassemble the cover 201 as needed to clean, inspect or replace parts, thereby ensuring that the audio equipment always maintains the best performance.

[0060] In other embodiments, the sliding portion 40 is designed to be a component that is sleeved on the pull rod 10, and the sliding portion 40 is made of plastic. This design is intended to reduce resonance between metal components, improve sliding smoothness, and reduce overall weight.

[0061] In a specific implementation, the sliding part 40 can be designed as a sleeve-like structure. The outer diameter of the sliding part 40 is slightly smaller than the inner hole wall of the sleeve 20, but during the sliding process, the sliding part 40 will contact the inner hole wall of the sleeve 20 to reduce the gap. The sliding part 40 is sleeved on the pull rod 10. For example, the sliding part 40 can be directly sleeved on the pull rod 10 by an interference fit, or fixed to the pull rod 10 by an adhesive. In some designs, the sliding part 40 can also be fixed to the pull rod 10 by means of snaps or screws, which is convenient for disassembly and replacement. This means that the sliding part 40 is not integrally formed with the pull rod 10, but is installed on the pull rod 10 as an independent component. The material of the sliding part 40 can be selected from engineering plastics with high wear resistance and low friction coefficient, such as polyformaldehyde, nylon or polycarbonate.

[0062] Since the sleeve 20 is made of aluminum alloy and the pull rod 10 may also be made of aluminum, the contact between the metals will cause the resonance phenomenon to worsen. By arranging a sliding part 40 made of plastic material on the pull rod 10, the direct contact between the metal parts can be effectively reduced, thereby reducing the resonance. The plastic material has a lower density and good vibration damping properties, which can absorb part of the vibration energy and further reduce the resonance.

[0063] Working principle:

[0064] When the user adjusts the height or position of the speaker as needed, he pulls the pull rod 10 to make it slide along the sleeve 20. The sliding part 40, as a part of the pull rod 10, slides in the sleeve 20 as the pull rod 10 moves. The design of the sliding part 40 makes it more prominent than other parts of the pull rod 10, reducing the direct contact between other parts of the pull rod 10 and the sleeve 20. During the sliding process of the pull rod 10, the clip always maintains contact with the sliding part 40 and applies a certain pressure to it to ensure that the sliding part 40 is in contact with the inner hole wall of the sleeve 20, reducing noise caused by vibration. When the pull rod 10 slides to the desired position, the clip point 50 on the sliding part 40 is aligned with the clip, and the arc-shaped end 70 of the clip is naturally inserted into the hole on the sliding part 40 to form an elastic abutment, thereby fixing the position of the pull rod 10.

[0065] References to multiple illustrative embodiments in this specification mean that the specific structure described in conjunction with that embodiment is included in at least one embodiment generally described in this application. The appearance of the same term in multiple places in this specification does not necessarily refer to the same embodiment. Furthermore, when a structure is described in conjunction with any one embodiment, it is intended that such structure, when implemented in conjunction with other embodiments, falls within the scope of the present invention.

Claims

1. An acoustic pull rod mechanism with an anti-resonance function, characterized in that: include: A pull rod and a sleeve, wherein the pull rod is inserted into the inner hole of the sleeve; A clamping member assembly, wherein the clamping member assembly comprises a first clamping member, wherein the first clamping member is in sliding contact with the pull rod and the first clamping member is in sliding contact with the pull rod, and is suitable for the pull rod to be in sliding contact with the inner hole wall of the sleeve; Wherein, when the pull rod is in a stationary state, the first clamping member abuts against the pull rod, so that the pull rod contacts the inner hole wall of the sleeve and the first clamping member respectively.

2. The acoustic rod mechanism with anti-resonance function according to claim 1, characterized in that: The pull rod has a sliding portion, which wraps at least a portion of the pull rod along its length, and the sliding portion is in slidable contact with the inner hole wall of the sleeve, wherein a gap is formed between the portion of the pull rod not wrapped by the sliding portion and the inner hole wall of the sleeve.

3. The acoustic pull rod mechanism with anti-resonance function according to claim 2, characterized in that: The clamping member group has a second clamping member, and the first clamping member and the second clamping member are arranged in sequence along the first direction. A clamping point is provided on the sliding portion, wherein when the pull rod slides, the clamping point can be slidably stopped at the first clamping member or the second clamping member.

4. The acoustic rod mechanism with anti-resonance function according to claim 3, characterized in that: A mounting hole is provided on the tube wall of the sleeve, and the first clamping piece and the second clamping piece have the same structure. The clamping piece is elastic, and the clamping piece is passed through the mounting hole and can elastically abut against the sliding part. When the clamping piece elastically abuts against the sliding part, the clamping piece is at least partially accommodated in the mounting hole.

5. The acoustic rod mechanism with anti-resonance function according to claim 4, characterized in that: The clamping point is structured as a hole, and the clamping member has an end portion at one end close to the sliding portion. The end portion is structured as an arc, and the inner diameter of the hole is adapted to the diameter of the arc.

6. The acoustic rod mechanism with anti-resonance function according to claim 5, characterized in that: There are at least two pull rods and at least two sleeves, at least two sleeves are arranged in parallel, the pull rods correspond to the sleeves one by one, and at least two pull rods are connected to each other.

7. The acoustic rod mechanism with anti-resonance function according to claim 6, characterized in that: The sleeve is constructed of a cover plate and a base, and the cover plate and the base are detachably connected.

8. The acoustic rod mechanism with anti-resonance function according to claim 7, characterized in that: The sliding part is sleeved on the pull rod and is made of plastic.

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