Sound production apparatus and cleaning device
Patent Information
- Authority / Receiving Office
- ES · ES
- Patent Type
- Utility models
- Current Assignee / Owner
- BEIJING ROCKROBO TECH CO LTD
- Filing Date
- 2024-06-17
- Publication Date
- 2026-08-07
Abstract
Description
Sound production apparatus and cleaning device Technical field This disclosure relates to the technical field of smart homes and in particular to a sound generating device and a cleaning device. Background With the continuous development of smart home technologies, cleaning robots are being used more frequently in daily cleaning tasks, and their level of intelligence is also constantly improving, providing various conveniences for life. Cleaning robot control methods can be categorized as manual button control, remote control, voice control, and similar options. Generally, cleaning robots are also equipped with a sound generator to produce voice feedback for information interaction. Specifically, during voice control and remote control, the sound generator provides voice interaction and feedback on control results. The sound generation unit generally includes a speaker and a housing. The speaker is placed in the housing, and together they define a sound chamber, resulting in a louder sound generated by the unit and improving sound generation performance. However, to allow data transmission between the speaker and the robot vacuum's main controller for controlling the speaker's sound output, the housing is provided with a through-hole. A speaker's power cable passes through this through-hole and connects to the main controller outside the housing. To accommodate the power cable, the inner diameter of the through-hole is generally larger than the outer diameter of the power cable.The space between the through-hole and the electrical connection cable will result in poor sealing performance of the speaker's sound chamber, and sound leakage will cause distortion of the speaker's sound. Summary of the invention In view of this, the present disclosure provides a sound generating apparatus and a cleaning device. In one respect, this disclosure provides a sound-generating apparatus. The sound-generating apparatus includes: a housing (100), wherein the housing (100) includes a cable hole (110) and an inner cavity in communication with the cable hole (110); a sound generating member (200), wherein the sound generating member (200) is located in the inner cavity; an electrical connection cable (300), wherein the electrical connection cable (300) is electrically connected to the sound-generating member (200), the electrical connection cable (300) passes through the cable hole (110), and a relative position between the electrical connection cable (300) and the cable hole (110) includes a sealing position; and a sound-blocking member (400), wherein when the electrical connection cable (300) is placed in the sealing position with respect to the cable hole (110), the sound-blocking member (400) is placed between the electrical connection cable (300) and the cable hole (110) to seal a gap between the electrical connection cable (300) and the cable hole (110). The sound-blocking member (400) is fixedly attached to an outer wall of the electrical connection cable (300). When the electrical connection cable (300) is moved into the sealing position with respect to the cable hole (110), the sound-blocking member (400) is configured to extend into the cable hole (110) from the outside of the cable hole (110) and slide with respect to an inner wall of the cable hole (110), to be in contact with the inner wall of the cable hole (110) to seal the space between the electrical connection cable (300) and the cable hole (110) when the electrical connection cable (300) and the cable hole (110) are in the sealing position. The sound-blocking member (400) includes an adjacent region and a guide region, and the guide region is located at one end of the adjacent region that faces away from the sound-generating member (200). A radial cross-sectional area of the guide region exhibits a tendency to decrease in a direction away from the adjacent region. When the electrical connection cable (300) moves into the sealing position with respect to the cable hole (110), the sound-blocking member (400) is configured to extend into the cable hole (110) through the guide region and slide with respect to the inner wall of the cable hole (110), so that when the electrical connection cable (300) and the cable hole (110) are in the sealing position, the adjacent region is in contact with the inner wall of the cable hole (110) to seal the space between the electrical connection cable (300) and the cable hole (110). The sound-blocking member (400) is fixedly attached to the inner wall of the cable hole (110), and the sound-blocking member (400) is in contact with the outer wall of the electrical connection cable (300). The sound-blocking member (400) surrounds the entire outer periphery of the electrical connection cable (300). An inner contour of the cable hole (110) matches a shape of an outer contour of a radial cross-section of the electrical connection cable (300), and the sound-blocking member (400) has a uniform thickness in a circumferential direction of the electrical connection cable (300). The housing (100) includes a sound-generating surface, a rear-end surface (120), and a surrounding surface (130). The sound-generating surface is positioned opposite and separate from the rear-end surface (120), the surrounding surface (130) surrounds the sound-generating surface and the rear-end surface (120), the surrounding surface (130) connects to the sound-generating surface and the rear-end surface (120), and the sound-generating surface, the rear-end surface (120), and the surrounding surface (130) together define the interior cavity in an enveloping manner. The sound-generating member (200) is connected to the sound-generating surface and / or the surrounding surface (130), one sound-emitting side of the sound-generating member (200) is opposite the sound-generating surface, the electrical connection cable (300) is located on another side of the sound-generating member (200) that is away from the sound-emitting side, and the cable hole (110) is placed on the rear end surface (120). A hole axis of the cable hole (110) is perpendicular to the rear end surface (120). The sound-blocking member (400) is elastic, and a sound-blocking member (400) material includes at least one of foam, soft rubber, and felt. The housing (100) is a soft rubber housing. In another respect, this disclosure also provides a cleaning device. The cleaning device includes the sound-generating apparatus according to any of the preceding embodiments, and a main body of the device. The sound-generating apparatus is housed in the main body of the device. The main body of the device includes a device housing. The device housing encloses an accommodation cavity, and the device housing is provided with a sound emission orifice in communication with the accommodation cavity. The sound generating apparatus is located in the accommodation cavity, and the sound generating apparatus is opposite the sound emission orifice. The sound generating apparatus housing is connected to the device housing, or at least a partial region of the sound generating apparatus housing and the device housing are integrally formed. Brief description of the drawings Figure 1 is a schematic structural diagram of a sound generating apparatus according to an embodiment of the present disclosure; Figure 2 is a schematic structural diagram of a housing in a sound-generating apparatus according to an embodiment of the present disclosure; and Figure 3 is a schematic structural diagram of a sound-generating member, an electrical connecting cable, and a sound-blocking member in a sound-generating apparatus according to an embodiment of the present disclosure. Detailed description To further illustrate the technical means and effects adopted by this disclosure to achieve the intended purpose of this disclosure, the specific implementations, structures, features, and effects of the sound-generating apparatus provided in accordance with this disclosure are described in detail below with reference to the drawings and preferred embodiments. In one aspect, as shown in Figures 1 to 3, an embodiment of the present disclosure provides a sound-generating apparatus. The sound-generating apparatus includes: a housing (100), wherein the housing (100) includes a cable hole (110) and an inner cavity in communication with the cable hole (110); a sound generating member (200), wherein the sound generating member (200) is located in the inner cavity; an electrical connection cable (300), wherein the electrical connection cable (300) is electrically connected to the sound-generating member (200), the electrical connection cable (300) passes through the cable hole (110), and a relative position between the electrical connection cable (300) and the cable hole (110) includes a sealing position; and a sound-blocking member (400), wherein when the electrical connection cable (300) is placed in the sealing position with respect to the cable hole (110), the sound-blocking member (400) is placed between the electrical connection cable (300) and the cable hole (110) to seal a gap between the electrical connection cable (300) and the cable hole (110). The sound-generating member (200) is a loudspeaker or speaker, and mainly includes a basket speaker, a sound-emitting diaphragm, a voice coil, and a magnet. The voice coil is located in the magnet's magnetic space, and the sound-emitting diaphragm is connected to the frame and the voice coil. When the sound-generating unit is used in a cleaning device, the cleaning device's main controller sends an electrical signal to the voice coil, which generates a driving force under the action of the magnet. This causes the voice coil to vibrate and produce sound. The electrical connecting cable (300) is connected to the voice coil. The electrical connecting cable (300) includes two signal wires that connect to two ends of the voice coil, forming a current loop.The two signal wires are drawn from a rear surface of the sound-generating member (200) that faces away from the sound-emitting diaphragm. After the two signal wires are drawn from the voice coil, they can be wrapped with a cable sheath, thus forming an integral electrical connection wire (300). The outer surface of the electrical connection wire (300) is approximately cylindrical, and a cable hole (110) is provided for the integral electrical connection wire (300) to pass through. Alternatively, in some embodiments, the outer peripheries of two separate signal wires can be wrapped by the sound-blocking member (400), and the two signal wires are joined together by the sound-blocking member (400).A cable hole (110) is provided for the sound-blocking member (400) and the signal cables encased within it to pass through completely. Alternatively, in some embodiments, two cable holes (110) may be provided, with the two signal cables passing through them respectively. An example where the electrical connection cable (300) is an integral cable formed by the signal cables encased in a sheath is shown below for illustration. The relative position between the electrical connection cable (300) and the cable hole (110) includes a sealing position. The sealing position is a relative position between the electrical connection cable (300) and the cable hole (110) when the sound-generating apparatus is mounted and ready for use; or the sealing position is a position to which the electrical connection cable (300) moves with respect to the cable hole (110) so that the sound-blocking member (400) can seal the gap; or the sound-blocking member (400) seals the gap at least when the relative position between the electrical connection cable (300) and the cable hole (110) reaches the sealing position.The sound-blocking member (400) can be positioned between the cable hole (110) and the electrical connection cable (300) in various ways, and its configuration can be based on the shapes of the cable hole (110) and the electrical connection cable (300) to seal all gaps between the cable hole (110) and the electrical connection cable (300), thus preventing sound leakage. For example, the sound-blocking member (400) can be positioned on only one side of the outer periphery of the electrical connection cable (300), and an outer peripheral surface of the electrical connection cable (300), different from the outer peripheral surface where the sound-blocking member (400) is located, is configured to be in contact with the inner wall of the cable hole (110).More specifically, the electrical connection cable (300) can be a cable having a square radial cross-section, and the shape of the cable hole (110) is a square hole larger than the outer contour of the electrical connection cable (300). The sound-blocking member (400) can cover three adjacent sides of the outer peripheral surface of the electrical connection cable (300). When the electrical connection cable (300) passes through the cable hole (110), the outer wall of one side not covered by the sound-blocking member (400) is in direct contact with the inner wall of one side of the cable hole (110), and the sound-blocking member (400) is in contact with the inner walls of the other three sides of the cable hole (110).Alternatively, the electrical connection cable (300) may be a cable having a radial cross-section with a circular outer contour, and the shape of the cable hole (110) is a circular hole larger than the outer contour of the electrical connection cable (300). The sound-blocking member (400) may cover half the circumference of the outer wall of the electrical connection cable (300) and make a smooth transition to the outer wall of the electrical connection cable (300) not covered by the sound-blocking member (400).Alternatively, the sound-blocking member (400) can surround the entire outer periphery of the electrical connection cable (300) to achieve an effective seal in all directions of the electrical connection cable (300), thereby preventing the formation of a gap between either side of the electrical connection cable (300) and the inner wall of the cable bore (110) under the action of an external force or vibration, which could affect the stability of the sound effect. More specifically, the electrical connection cable (300) can be a cable having a radial cross-section with a square outer contour or a cable having a cross-section with a circular outer contour, and the sound-blocking member (400) surrounds the entire outer periphery of the square or circular cable.Furthermore, in some embodiments, the electrical connection cable (300) can also be a cable with an irregular radial cross-section, such as a semicircular or elliptical shape. The sound-blocking member (400) can be adapted to the irregular shape of the electrical connection cable (300) by changing its shape, in order to seal all gaps between the electrical connection cable (300) and the cable opening (110). Furthermore, the sound-blocking member (400) is elastic. For example, the material of the sound-blocking member (400) includes at least one layer of foam, soft rubber, and / or felt, preferably foam. When the electrical connection cable (300) is mounted, the electrical connection cable (300) can conveniently pass through the cable hole (110) by means of the elastic deformation of the sound-blocking member (400), and due to the rebound of the sound-blocking member (400), the sound-blocking member fills the gap between the electrical connection cable (300) and the cable hole (110), thereby achieving a seal. According to the sound-generating apparatus and cleaning device provided in the embodiments of this disclosure, the sound-blocking member is placed between the electrical connection cable and the cable hole to prevent sound leakage and ensure the sealing performance of the sound chamber, thereby ensuring the sound-generating performance of the sound-generating apparatus. In the prior art, the housing is provided with a through-hole, and the speaker's electrical connection cable passes through the through-hole of the housing and then connects to the main driver outside the housing. To achieve the assembly of the electrical connection cable, the inner diameter of the through-hole is generally larger than the outer diameter of the electrical connection cable.The gap between the through-hole and the electrical connection cable will result in poor sealing performance of the speaker's sound chamber, and sound leakage will cause distortion. In the technical solutions described herein, the sound-blocking member is positioned between the electrical connection cable and the cable hole. This member is tightly bonded to the electrical connection cable and the cable hole to seal the gap, thus creating a closed sound chamber. This ensures that the sound converges and is emitted through the sound emission hole in the housing, resulting in loud sound and ensuring sound quality. For convenience of the description hereafter, the sound-blocking member (400) surrounding the entire outer periphery of the electrical connection cable (300) is taken as an example. It can be understood that the features of the following embodiments may still be applicable when the sound-blocking member (400) is placed in a partial circumferential region of the electrical connection cable (300). The method of connecting the sound-blocking member (400) to the electrical connection cable (300) and the cable hole (110) can be varied. For example, in one embodiment, the sound-blocking member (400) is permanently connected to the outer wall of the electrical connection cable (300), and the sound-blocking member (400) is in contact with the inner wall of the cable hole (110). The sound-blocking member (400) and the electrical connection cable (300) are permanently connected. For example, an adhesive can be used to bond the sound-blocking member (400) to a complete circumference of the outer wall of the electrical connection cable (300), so that during assembly and use, no positional displacement can occur between the sound-blocking member (400) and the electrical connection cable (300). The sound-blocking member (400) is tightly attached to the outer wall of the electrical connection cable (300) in a region where the sound-blocking member covers the electrical connection cable (300), so that there is no gap between the sound-blocking member (400) and the outer wall of the electrical connection cable (300), and no sound leakage occurs. The shape of the outer peripheral surface of the sound-blocking member (400) can be adapted to the shape of the inner wall of the cable hole (110), but it can be understood that the outer diameter of the sound-blocking member (400) should be slightly larger than the inner diameter of the cable hole (110), so that the sound-blocking member (400) can be in contact with the inner wall of the cable hole (110), thus ensuring the sealing effect. During the assembly of the electrical connection cable (300), when the electrical connection cable (300) passes through the cable hole (110) and moves into the sealing position with respect to the cable hole (110), since the sound-blocking member (400) is fixedly connected to the electrical connection cable (300), the sound-blocking member is actuated by the electrical connection cable (300) to extend into the cable hole (110) from the outside of the cable hole (110) and slide with respect to the inner wall of the cable hole (110), to be in contact with the inner wall of the cable hole (110) to seal the space between the electrical connection cable (300) and the cable hole (110) when the electrical connection cable (300) and the cable hole (110) are in the sealing position.Therefore, synchronous assembly of the sound-blocking member (400) and the electrical connection cable (300) is achieved, without requiring separate assembly of the sound-blocking member (400). To further facilitate the extension of the sound-blocking member (400) into the cable hole (110) and to prevent the end portion of the sound-blocking member (400) from becoming stuck at the edge of the cable hole (110), in one embodiment, the sound-blocking member (400) includes an adjacent region and a guide region, with the guide region located at an end of the adjacent region that extends away from the sound-generating member (200). The radial cross-sectional area of the guide region exhibits a tendency to decrease in the direction away from the adjacent region.When the electrical connection cable (300) moves into the sealing position with respect to the cable hole (110), the sound-blocking member (400) is configured to extend into the cable hole (110) through the guide region and slide with respect to the inner wall of the cable hole (110), so that when the electrical connection cable (300) and the cable hole (110) are in the sealing position, the adjacent region is in contact with the inner wall of the cable hole (110) to seal the space between the electrical connection cable (300) and the cable hole (110). The adjacent region and the guide region are two regions in the axial direction of the sound-blocking member (400). The radial cross-sectional area of the guide region gradually decreases away from the adjacent region, and the degree of decrease is uniform in the circumferential direction, so that the outer peripheral surface of the guide region is a conical surface. The area of the end surface of the guide region distal to the adjacent region is small, so that the guide region enters the cable hole (110) more easily. When the electrical connection cable (300) moves relative to the cable hole (110), the inclined surface of the guide region gradually comes into contact with the cable hole (110) and is compressed by the inner wall of the cable hole (110), and then passes into the adjacent region to enter the cable hole (110).When the electrical connection cable (300) and the cable hole (110) are in the sealing position, the adjacent region seals the space between the electrical connection cable (300) and the cable hole (110), so that the assembly of the sound-blocking member (400) is smoother. In another embodiment, the sound-blocking member (400) is fixedly connected to the inner wall of the cable hole (110), and the sound-blocking member (400) is in contact with the outer wall of the electrical connection cable (300). The sound-blocking member (400) and the cable hole (110) are permanently connected. For example, an adhesive can be used to bond the sound-blocking member (400) to a complete circumference of the inner wall of the cable hole (110), so that during assembly and use, no positional displacement occurs between the sound-blocking member (400) and the cable hole (110). The sound-blocking member (400) is tightly bonded to the inner wall of the cable hole (110) in a region where the sound-blocking member covers the inner wall of the cable hole (110), so that there is no gap between the sound-blocking member (400) and the inner wall of the cable hole (110), and no sound leakage occurs.The sound-blocking member (400) includes a central opening for the passage of the electrical connection cable (300), and the shape of the central opening can be adapted to the shape of the outer contour of the electrical connection cable (300). However, it can be understood that the inner diameter of the central opening of the sound-blocking member (400) should be slightly smaller than the outer diameter of the electrical connection cable (300), so that the sound-blocking member (400) can be in contact with the outer wall of the electrical connection cable (300), thereby ensuring the sealing effect.It should be noted that, compared to the method of fixing the sound-blocking member (400) to the cable hole (110), in embodiments where the sound-blocking member (400) is permanently connected to the electrical connection cable (300), the sound-blocking member (400) can cover a larger area along the length of the electrical connection cable (300), exhibiting a stronger connection force and making it less prone to detachment. Meanwhile, the structure of the electrical connection cable (300) is relatively stable, whereas the cable hole (110) in the housing (100), made of a flexible material, is prone to deformation, which can pull on the sound-blocking member (400). In one embodiment, the inner contour of the cable hole (110) coincides with the shape of the outer contour of the radial cross-section of the electrical connection cable (300), and the shape of the cable hole (110) can be varied and arranged based on the shape of the outer contour of the electrical connection cable (300). For example, in one embodiment, the cable hole (110) is a circular hole, the outer contour of the radial cross-section of the electrical connection cable (300) is circular, and the sound-blocking member (400) has a uniform thickness in the circumferential direction of the electrical connection cable (300). The sound-blocking member (400) is a cylindrical structure with a uniform circumferential thickness, and in its natural state, the amount of deformation and the force applied in any direction or position are consistent.In comparison with the cable hole (110) which is a square hole or an irregular hole, this configuration avoids the formation of a weak sealing region of the sound-blocking member (400) caused by inconsistent compression of the sound-blocking member (400) at the side edge and corner of the cable hole (110). In one embodiment, the end surface of the sound-blocking member (400) near one end of the sound-generating member (200) in the longitudinal direction of the electrical connection cable (300) is in contact with the sound-generating member (200). Therefore, the relative position between the electrical connection cable (300) and the sound-generating member (200) is stabilized, and the amplitude of movement of the electrical connection cable (300) with respect to the cable hole (110) due to vibration of the electrical connection cable under the influence of sound waves is reduced, thereby preventing the formation of a gap between the sound-blocking member (400) and the electrical connection cable (300) or the cable hole (110) due to unilateral compression of the sound-blocking member caused by the movement of the electrical connection cable (300). In one embodiment, the housing (100) includes a sound-generating surface, a rear-end surface (120), and a surrounding surface (130). The sound-generating surface is positioned opposite and separate from the rear-end surface (120), the surrounding surface (130) surrounds the sound-generating surface and the rear-end surface (120), the surrounding surface (130) is connected to the sound-generating surface and the rear-end surface (120), and the sound-generating surface, the rear-end surface (120), and the surrounding surface (130) together define an enveloping interior cavity.The sound-generating member (200) is connected to the sound-generating surface and / or the surrounding surface (130), the sound-emitting side of the sound-generating member (200) is opposite the sound-generating surface, the electrical connection cable (300) is located on the other side of the sound-generating member (200) away from the sound-emitting side, and the cable hole (110) is placed on the rear end surface (120). The rear end surface (120) is opposite the side of the sound-generating member (200) from which the electrical connection cable (300) is drawn, and the cable hole (110) is located on the rear end surface (120), avoiding complex routing of the electrical connection cable (300) in the inner cavity. The rear end surface (120), the surrounding surface (130), and the side of the sound-generating member (200) that faces away from the sound-generating surface together define, in an enveloping manner, a rear sound chamber of the sound-generating member (200), and the electrical connection cable (300) is routed in the rear sound chamber, avoiding interference from strong sound waves in the front sound chamber on the side of the sound-generating surface.The rear end surface (120) is a plane, and the hole axis of the cable hole (110) is perpendicular to the rear end surface (120), ensuring that the sound-blocking member (400) can be effectively in contact with the cable hole (110) on either side of the electrical connection cable (300) in the circumferential direction. In one embodiment, the housing (100) is a soft rubber housing. The soft rubber housing has good sealing performance, ensuring a tight seal between the front and rear sound chambers, and it also has good toughness, providing vibration damping. During cleaning, the vibration of the cleaning device can be reduced, allowing the sound-generating apparatus to maintain good sound quality even in a vibrating environment. In another aspect, an embodiment of the present disclosure further provides a cleaning device. The cleaning device includes the sound-generating apparatus according to any of the preceding embodiments, and a main body of the device. The sound-generating apparatus is housed in the main body of the device. More specifically, the main body of the device includes a device housing. The device housing encloses an accommodation cavity, and the device housing is provided with a sound emission orifice in communication with the accommodation cavity. The sound generating apparatus is located in the accommodation cavity, and the sound generating apparatus is opposite the sound emission orifice. The main body of the device is configured for mobile cleaning and has an outer contour of an approximately flat cylindrical structure. The device housing includes a lower surface facing away from the ground during cleaning, an upper surface facing away from the lower surface, and side surfaces surrounding the upper and lower surfaces. The sound-generating device or sound-emitting orifice can be positioned in multiple locations on the main body of the device and can generate a sound from multiple locations. For example, the sound-generating device or sound-emitting orifice can be located on the upper surface, the lower surface, or the side surface. The cleaning device may include only a single sound-generating device or may be equipped with multiple sound-generating devices in different positions.The sound generation unit is electrically connected to the main controller of the device's main body, and different sound generation units can be controlled to produce sounds based on different operating states. For example, when responding to user interaction, the number of sound generation units emitting sound can be selected based on their distance from the user, and the unit facing the user can be selected to emit sound. Alternatively, in cases requiring an alarm, multiple sound generation units can be selected to emit sounds simultaneously for an immediate effect. The sound-generating apparatus housing (100) can be connected to the device housing by means of a connecting member. In embodiments where the sound-generating apparatus housing (100) is made of soft rubber, a connecting member of relatively high hardness can be formed within the soft rubber housing and used with the device housing to secure the sound-generating apparatus. Alternatively, at least a partial region of the sound-generating apparatus housing (100) and the device housing can be integrally formed. For example, the sound-generating apparatus housing (100) includes an upper housing that forms the front sound chamber and a rear housing that forms the rear sound chamber. During the processing of the device housing, the device housing and the upper housing are integrally formed.The rear housing and the top housing are assembled, and the sound generating member (200) of the sound generating apparatus is enclosed in it, so that the position of the sound generating apparatus is more stable, and the assembly is more convenient. Furthermore, the cleaning device exhibits the characteristics of loud sound and good sound effect of the sound generating apparatus mentioned above, which are not repeated in the present. The foregoing descriptions are only specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited to them. Any variation or substitution that can readily be conceived by those skilled in the art within the technical scope disclosed herein shall be within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure shall be subject to the scope of protection of the claims described herein.
Claims
1. A sound-generating apparatus, comprising: a housing (100), wherein the housing (100) comprises a cable hole (110) and an inner cavity communicating with the cable hole (110); a sound-generating member (200), wherein the sound-generating member (200) is located in the inner cavity; an electrical connection cable (300), wherein the electrical connection cable (300) is electrically connected to the sound-generating member (200), and the electrical connection cable (300) passes through the cable hole (110); and a sound-blocking member (400), wherein the sound-blocking member (400) is positioned between the electrical connection cable (300) and the cable hole (110) to seal a gap between the electrical connection cable (300) and the cable hole (110).
2. The sound-generating apparatus according to claim 1,wherein a relative position between the electrical connection cable (300) and the cable hole (110) comprises a sealing position; the sound-blocking member (400) is fixedly connected to an outer wall of the electrical connection cable (300), and when the electrical connection cable (300) moves to the sealing position with respect to the cable hole (110), the sound-blocking member (400) is configured to extend into the cable hole (110) from the outside of the cable hole (110) and slide with respect to an inner wall of the cable hole (110), to be in contact with the inner wall of the cable hole (110) to seal the space between the electrical connection cable (300) and the cable hole (110) when the electrical connection cable (300) and the cable hole (110) are in the sealing position.
3. The sound-generating apparatus according to claim 1 or 2,wherein the sound-blocking member (400) comprises an adjacent region and a guide region, and the guide region is located at an end of the adjacent region that extends away from the sound-generating member (200); a radial cross-sectional area of the guide region exhibits a tendency to decrease in a direction away from the adjacent region; and when the electrical connection cable (300) moves toward the sealing position with respect to the cable hole (110), the sound-blocking member (400) is configured to extend toward the cable hole (110) through the guide region and slide with respect to the inner wall of the cable hole (110), such that when the electrical connection cable (300) and the cable hole (110) are in the sealing position,The adjacent region is in contact with the inner wall of the cable hole (110) to seal the space between the electrical connection cable (300) and the cable hole (110).
4. The sound generating apparatus according to any of claims 1 to 3, wherein the sound-blocking member (400) is fixedly connected to an inner wall of the cable hole (110), and the sound-blocking member (400) is in contact with an outer wall of the electrical connection cable (300).
5. The sound generating apparatus according to any of claims 1 to 4, wherein the sound-blocking member (400) surrounds the entire outer periphery of the electrical connection cable (300).
6. The sound generating apparatus according to any of claims 3 to 5,wherein an inner contour of the cable hole (110) coincides with a shape of an outer contour of a radial cross-section of the electrical connection cable (300), and the sound-blocking member (400) has a uniform thickness in a circumferential direction of the electrical connection cable (300).
7. The sound-generating apparatus according to any one of claims 1 to 6, wherein the housing (100) comprises a sound-generating surface, a rear end surface (120), and a surrounding surface (130), the sound-generating surface being positioned opposite and separate from the rear end surface (120), the surrounding surface (130) surrounding the sound-generating surface and the rear end surface (120), the surrounding surface (130) connecting to the sound-generating surface and the rear end surface (120), and the sound-generating surface,The rear end surface (120) and the surrounding surface (130) together define, in an enveloping manner, the inner cavity; the sound-generating member (200) is connected to the sound-generating surface and / or the surrounding surface (130), a sound-emitting side of the sound-generating member (200) is opposite the sound-generating surface, the electrical connection cable (300) is located on another side of the sound-generating member (200) away from the sound-emitting side, and the cable hole (110) is positioned in the rear end surface (120); and a hole axis of the cable hole (110) is perpendicular to the rear end surface (120).
8. The sound-generating apparatus according to any of claims 1 to 7, wherein the sound-blocking member (400) is elastic, and a material of the sound-blocking member (400) comprises a foam one,soft rubber and felt; and / or the housing (100) is a soft rubber housing.
9. A cleaning device, comprising the sound-generating apparatus according to any of claims 1 to 8 described above, and a main device body, wherein the sound-generating apparatus is placed in the main device body.
10. The cleaning device according to claim 9, wherein the main device body comprises a device housing, the device housing envelopingly defines an accommodation recess, the device housing is provided with a sound-emission orifice communicating with the accommodation recess, the sound-generating apparatus is located in the accommodation recess, and the sound-generating apparatus is opposite the sound-emission orifice; and the housing of the sound-generating apparatus is connected to the device housing,or at least a partial region of the sound-generating apparatus housing and the device casing are integrally formed.