Negative pressure adsorption device and support

Abstract

The utility model relates to the technical field of adsorption devices, in particular to a negative pressure adsorption device and a support. The negative pressure adsorption device comprises a device main body, a suction cup, an air extractor and a vibration reduction piece, and the device main body is provided with an inner cavity; the suction cup is arranged on one side of the device body and fixedly connected with the device body, a concave cavity is formed in the side, away from the device body, of the suction cup, and the edge of the suction cup can be attached to the wall face to be sucked so as to seal the concave cavity. The air extracting device is arranged in the inner cavity and comprises a driving part and an air extracting pump, the air extracting pump communicates with the concave cavity, and the driving part is used for providing working power for the air extracting pump so as to extract air in the concave cavity; a first vibration reduction part is arranged between the driving part and the device body, and / or a second vibration reduction part is arranged between the air extracting pump and the device body. The vibration reduction piece can weaken vibration generated when the air extractor works and prevent the vibration from being transmitted to the device body at the same time, and therefore the effect of reducing noise is achieved.

Description

Technical Field

[0001] This utility model relates to the field of adsorption device technology, specifically to a negative pressure adsorption device and its support. Background Technology

[0002] A negative pressure adsorption device is a tool that uses pressure difference to adhere to and fix an electronic device to a wall surface. In the field of electronic device brackets, negative pressure adsorption devices can fix electronic device brackets to any wall surface, providing flexibility in the mounting position. This type of negative pressure adsorption device has advantages such as easy installation, no damage to the wall surface, and reusability.

[0003] Negative pressure adsorption devices generally consist of a suction cup and an air extraction device. Their working process is as follows: after the suction cup is attached to the wall surface, the air extraction device draws out the gas from the suction cup, creating a lower pressure level inside the suction cup. Under the pressure difference between the inside and outside of the suction cup, it is fixed to the wall surface. However, these negative pressure adsorption devices generate significant noise during use. Utility Model Content

[0004] This invention mainly solves the problem of excessive noise in the negative pressure adsorption device during use.

[0005] According to a first aspect, one embodiment provides a negative pressure adsorption device, including a device body, a suction cup, an air extraction device, and a vibration damping component. The device body has an inner cavity; the suction cup is disposed on one side of the device body and fixedly connected to the device body, and the side of the suction cup away from the device body has a concave cavity, the edge of the suction cup being able to conform to the wall surface to be adsorbed to close the concave cavity; the air extraction device is disposed in the inner cavity, the air extraction device including a driving component and an air pump, the air pump communicating with the concave cavity, the driving component being used to provide working power to the air pump to extract gas from the concave cavity; a first vibration damping component is disposed between the driving component and the device body, and / or, a second vibration damping component is disposed between the air pump and the device body.

[0006] In some embodiments, the device body includes a mounting frame having a first mounting position and a second mounting position, the first vibration damper being disposed at the first mounting position and capable of positioning the drive member, and / or the second vibration damper being disposed at the second mounting position and capable of positioning the air pump.

[0007] In some embodiments, the mounting bracket includes a first bracket and a second bracket, with the first mounting position and the second mounting position formed between the first bracket and the second bracket, the first bracket and the second bracket being located on a first side and a second side opposite to the vacuum device, respectively, to clamp and fix the vacuum device.

[0008] In some embodiments, the first damping member includes an end portion and an outer peripheral portion, the end portion being disposed on the end face of the drive member, the outer peripheral portion being disposed on the outer periphery of the drive member, and / or, the second damping member covers the outer periphery of the air pump.

[0009] In some embodiments, the main body of the device includes a first shell and a second shell, the suction cup is integrally injection molded with the second shell, the suction cup has a vibration damping part located on the side of the second shell near the first shell, the mounting bracket is fixed on the second shell, and the vibration damping part is located between the second shell and the mounting bracket.

[0010] In some embodiments, the device body includes a first shell and a second shell, the first shell being disposed radially outside the second shell, and a sealed annular cavity being provided between the first shell and the second shell.

[0011] In some embodiments, the first shell has an opening toward the second shell, the second shell includes a main body and an extension, the main body is fixedly connected to the first shell at the opening, the extension is located inside the first shell and is fixedly connected to the inner wall of the first shell, and the cavity is formed between the extension and the first shell.

[0012] In some embodiments, the suction cup is provided with air holes that connect the concave cavity to the air pump. The negative pressure adsorption device also includes a sound insulation component disposed within the air holes. The sound insulation component has bent channels inside to reduce noise transmitted from the air holes.

[0013] According to a second aspect, one embodiment provides a support, characterized in that it includes the negative pressure adsorption device and the frame as described in any of the above embodiments, wherein the frame is connected to the device body of the negative pressure adsorption device.

[0014] In some embodiments, the device body is provided with a mounting hole, which communicates with the inner cavity and is used to mount the frame. The inner wall of the device body near the mounting hole is provided with a corrugated structure.

[0015] In some embodiments, the outer wall of the device body is provided with an annular protrusion, the mounting hole is located radially inside the annular protrusion, and the frame includes a mounting base that engages with the annular protrusion.

[0016] In some embodiments, the frame further includes a fixing member, which is fitted into the mounting hole, with a first end of the fixing member stopping against the inner wall of the device body and the other end of the fixing member connected to the mounting base.

[0017] According to the negative pressure adsorption device of the above embodiment, a first vibration damping component is provided between the driving component and the device body, and / or a second vibration damping component is provided between the air pump and the device body. The vibration damping component can reduce the vibration of the air pump when it is working, and at the same time prevent the vibration from being transmitted to the device body, thereby achieving the effect of noise reduction. Attached Figure Description

[0018] Figure 1 This is a perspective view of one embodiment of the bracket of this utility model;

[0019] Figure 2 for Figure 1 Exploded view of the central support structure;

[0020] Figure 3 for Figure 1 Exploded view of the mounting bracket and exhaust device of the central support;

[0021] Figure 4 for Figure 1 Bottom view of the middle support;

[0022] Figure 5 for Figure 1 Bottom view of the middle support

[0023] Figure 6 for Figure 5 Sectional view at point AA;

[0024] Figure 7 for Figure 6 Enlarged view at point B;

[0025] Figure 8 for Figure 6 A magnified view of point C in the middle.

[0026] Figure label:

[0027] 1. Frame; 11. Mounting base; 12. Fixing component; 2. Suction cup; 21. Concave cavity; 22. Vibration damping part; 3. Mounting frame; 31. First frame; 32. Second frame; 33. Positioning structure; 4. Air extraction device; 41. Driving component; 42. Air pump; 5. First vibration damping component; 51. End; 52. Outer periphery; 6. Second vibration damping component; 7. First shell; 71. Cavity; 72. Annular protrusion; 73. Corrugated structure; 8. Second shell; 81. Main body; 82. Extension; 9. Sound insulation component. Detailed Implementation

[0028] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. Similar elements in different embodiments are referred to by related similar element reference numerals. In the following embodiments, many details are described to facilitate a better understanding of the present application. However, those skilled in the art will readily recognize that some features may be omitted in different situations, or may be replaced by other elements, materials, or methods. In some cases, certain operations related to the present application are not shown or described in the specification. This is to avoid obscuring the core parts of the present application with excessive description. For those skilled in the art, detailed description of these related operations is not necessary; they can fully understand the related operations based on the description in the specification and general technical knowledge in the art.

[0029] Furthermore, the features, operations, or characteristics described in the specification can be combined in any suitable manner to form various embodiments. At the same time, the steps or actions in the method description can be rearranged or adjusted in a manner obvious to those skilled in the art. Therefore, the various orders in the specification and drawings are only for the clear description of a particular embodiment and do not imply a necessary order, unless otherwise stated that a particular order must be followed.

[0030] The serial numbers assigned to components in this document, such as "first" and "second," are used only to distinguish the described objects and have no sequential or technical meaning. The terms "connection" and "linkage" used in this application, unless otherwise specified, include both direct and indirect connections (linkages).

[0031] Negative pressure adsorption devices generally include suction cups and an air extraction device. After the suction cups are attached to the wall surface, the air extraction device begins to work, which generates considerable noise. The noise mainly comes from the internal air extraction device, which specifically includes an air pump and a drive mechanism to operate the pump. The air pump and drive mechanism vibrate significantly during operation and are also prone to colliding with surrounding installation structures, thus generating considerable noise.

[0032] To address these issues, one approach is to install vibration damping components between the extraction device and the main body of the device. These components not only provide better positioning for the extraction device but also reduce vibration, thereby reducing noise at its source. Another approach is to modify the main body of the device to prevent noise from escaping through it.

[0033] Please refer to Figure 1One embodiment provides a bracket, which includes a frame 1 and a negative pressure adsorption device, with the frame 1 connected to the negative pressure adsorption device. In practical use, the bracket can adsorb the negative pressure adsorption device onto a wall surface, and the frame 1 is used to fix electronic devices, etc. Alternatively, electronic devices can also be adsorbed and fixed using the negative pressure adsorption device.

[0034] Please refer to Figure 2 The negative pressure adsorption device includes a main body, a suction cup 2, an air extraction device 4, and vibration damping components. The main body has an inner cavity, which can be used to install the air extraction device 4, vibration damping components, and other parts.

[0035] The suction cup 2 is disposed on one side of the device body and is fixedly connected to the device body. The fixed connection method can be adhesive, snap-fit, or the suction cup 2 and the device body can be integrally injection molded. The side of the suction cup 2 away from the device body has a concave cavity 21, and the edge of the suction cup 2 can fit against the wall surface to be suctioned to close the concave cavity 21. The suction cup 2 may also be provided with a trigger part, which is used to trigger the air extraction device 4.

[0036] The air extraction device 4 includes a drive unit 41 and an air pump 42 disposed in the inner cavity. The air pump 42 is connected to the concave chamber 21, and the drive unit 41 provides working power to the air pump 42 to extract gas from the concave chamber 21. Specifically, the air pump 42 can be a piston pump, including a pump body and a piston. Air holes can be provided on the suction cup 2, and the air holes are connected to the pump body. The drive unit 41 can be a motor, which is connected to the piston and used to drive the piston to reciprocate within the pump body to extract gas from the concave chamber 21.

[0037] A first vibration damping component 5 is provided between the drive component 41 and the main body of the device, and a second vibration damping component 6 is provided between the air pump 42 and the main body of the device. The vibration damping component can be made of a soft rubber material with good elasticity, such as rubber, silicone, polyurethane, etc. The aforementioned soft rubber material is a material with high internal friction characteristics, which can absorb some vibration energy and weaken vibration, while reducing the vibration transmitted to the main body of the device, thereby achieving the effect of reducing noise.

[0038] In other embodiments, a vibration damping element may be provided only between the drive member 41 and the device body, or only between the air pump 42 and the device body.

[0039] In some embodiments, please refer to Figure 3 The first damping member 5 includes an end portion 51 and an outer peripheral portion 52. The end portion 51 is disposed on the end face of the driving member 41, and the outer peripheral portion 52 is disposed on the outer periphery of the driving member 41. The first damping member 5 completely encloses the driving member 41. Similarly, the second damping member 6 covers the outer periphery of the air pump 42. The first damping member 5 or the second damping member 6 can be an integral structure or a separate structure.

[0040] The vibration damping component covers the outer periphery of the air extraction device 4, which not only reduces the vibration generated during the operation of the air extraction device 4 and achieves a noise reduction effect, but also isolates the air extraction device 4 from the main body of the device, hindering the propagation of noise. In addition, setting the vibration damping component as the end 51 and the outer periphery 52 can play a positioning role for the air extraction device 4, preventing the air extraction device 4 from generating noise due to vibration colliding with other parts.

[0041] In some embodiments, please refer to Figure 2 and Figure 3 The main body of the device includes a mounting frame 3, which is used to fix the air extraction device 4, vibration damping components, etc. The mounting frame 3 has a first mounting position and a second mounting position. The first vibration damping component 5 is set in the first mounting position and can position the drive component 41. The second vibration damping component 6 is set in the second mounting position and can position the air extraction pump 42.

[0042] The mounting bracket 3 can be a one-piece structure or a split structure. For a one-piece structure, the mounting position can be located on the inside of the mounting bracket 3, and the air extraction device 4 and the vibration damping component are snapped and fixed in the mounting position. In this embodiment, the mounting bracket 3 is a split structure.

[0043] In one specific embodiment, the mounting frame 3 includes a first frame 31 and a second frame 32, with a first mounting position and a second mounting position formed between the first frame 31 and the second frame 32. The first frame 31 and the second frame 32 are located on opposite upper and lower sides of the suction device 4, respectively, to clamp and fix the suction device 4. Positioning structures 33, such as positioning grooves or positioning baffles, can be provided on the first frame 31 and the second frame 32. These positioning structures 33 facilitate the installation of the vibration damper and the suction device 4, and also provide a good fixing effect. The first frame 31 and the second frame 32 can be connected using fasteners; for example, bolts are used in this embodiment. In other embodiments, the first frame 31 and the second frame 32 can also be fixed using snap-fit, adhesive, or other methods.

[0044] In some embodiments, please refer to Figure 5 and Figure 6 The main body of the device includes a first shell 7 and a second shell 8. The frame 1 is set on the first shell 7. The suction cup 2 is injection molded on the second shell 8. The suction cup 2 has a vibration damping part 22 located on the side of the second shell 8 near the first shell 7. The mounting frame 3 is fixed on the second shell 8, and the vibration damping part 22 is located between the second shell 8 and the mounting frame 3.

[0045] In one specific implementation, the second shell 8 is provided with a connecting hole for connecting the inner and outer sides of the second shell 8 to facilitate the flow of the injection-molded colloid. After injection molding, the suction cup 2 is nested and fixed to the second shell 8. The suction cup 2 can be made of soft rubber, and the part located on the inner side of the second shell 8 is the aforementioned vibration damping part 22. The mounting bracket 3 and the second shell 8 can be fixedly connected by fasteners. The vibration damping part 22 is located between the mounting bracket 3 and the second shell 8, which can reduce the vibration transmitted from the suction device 4 through the mounting bracket 3 to the second shell 8, thereby achieving a noise reduction effect.

[0046] In some embodiments, please refer to Figures 5-7 The main body of the device includes a first shell 7 and a second shell 8. The first shell 7 is fitted on the radially outer side of the second shell 8, and a sealed annular cavity 71 is provided between the first shell 7 and the second shell 8. The first shell 7 and the second shell 8 form a double-shell structure, and the cavity 71 between them serves as an isolation to reduce noise transmitted from the inner cavity.

[0047] In one specific embodiment, the first shell 7 has a barrel-shaped structure with an opening facing the second shell 8. The second shell 8 has a lid-like structure, including a main body 81 and an extension 82. The main body 81 is fixedly connected to the first shell 7 at the opening, and the extension 82 is located inside the first shell 7 and fixedly connected to the inner wall of the first shell 7, forming a cavity 71 between the extension 82 and the first shell 7. In the above arrangement, two connections are formed between the first shell 7 and the second shell 8, resulting in better sealing and better noise isolation.

[0048] The connection between the first shell 7 and the second shell 8 is ultrasonic welding. In other embodiments, the connection between the first shell 7 and the second shell 8 can also be by bonding, snap-fitting, or by fasteners.

[0049] In some embodiments, please refer to Figure 4 The suction cup 2 has air holes that connect the concave chamber 21 to the vacuum pump 42. The negative pressure adsorption device also includes a sound insulation component 9, which is located inside the air holes. The sound insulation component 9 has bent channels inside, which can reduce the noise transmitted from the air holes. Specifically, the sound insulation component 9 can be filter cotton. The sound insulation component 9 not only reduces noise, but its porous structure also has a certain filtering effect, preventing dust and other impurities from entering the vacuum pump 42.

[0050] In some embodiments, please refer to Figure 5 , Figure 6 and Figure 8 The main body of the device is provided with mounting holes. Specifically, the mounting holes are provided on the first shell 7, and the mounting holes are connected to the inner cavity and used to install the frame 1. The inner wall of the main body of the device near the mounting holes is provided with a corrugated structure 73.

[0051] In one specific implementation, the frame 1 may include a mounting base 11 and a fastener 12. The fastener 12 is fitted into a mounting hole, with one end of the fastener 12 stopping against the inner wall of the device body, and the other end of the fastener 12 connected to the mounting base 11. The mounting hole facilitates the installation of the frame 1; however, the presence of the mounting hole makes it easy for noise to escape. Setting the inner wall of the first shell 7 as a corrugated structure 73 increases the noise propagation path, thus reducing noise.

[0052] Furthermore, the outer wall of the main body of the device is provided with an annular protrusion 72, and the mounting hole is located on the radial inner side of the annular protrusion 72. The frame 1 includes a mounting base 11, which cooperates with the annular protrusion 72. The provision of the annular protrusion 72 also increases the noise propagation path, further reducing the noise and making the noise ultimately transmitted to the outside of the first shell 7 smaller.

[0053] The following describes an embodiment of the negative pressure adsorption device of this utility model.

[0054] The structure of the negative pressure adsorption device of this utility model is the same as that of the negative pressure adsorption device described in any of the above embodiments, and will not be repeated here.

[0055] The above-described specific examples are for illustrative purposes only and are not intended to limit the scope of this invention. Those skilled in the art to which this invention pertains can make various simple deductions, modifications, or substitutions based on the concept of this invention.

Claims

1. A negative pressure adsorption device, characterized in that, include: The device body has an internal cavity; A suction cup is disposed on one side of the device body and fixedly connected to the device body. The side of the suction cup away from the device body has a concave cavity, and the edge of the suction cup can fit against the wall surface to be adsorbed to close the concave cavity. An air extraction device is disposed in the inner cavity. The air extraction device includes a driving component and an air pump. The air pump is connected to the concave cavity. The driving component is used to provide working power to the air pump to extract the gas from the concave cavity. A vibration damping component is provided between the driving component and the main body of the device, and / or a second vibration damping component is provided between the air pump and the main body of the device.

2. The negative pressure adsorption device according to claim 1, characterized in that, The main body of the device includes a mounting frame, which has a first mounting position and a second mounting position. The first vibration damping member is disposed at the first mounting position and can position the driving member, and / or the second vibration damping member is disposed at the second mounting position and can position the air pump.

3. The negative pressure adsorption device according to claim 2, characterized in that, The mounting bracket includes a first bracket and a second bracket, with the first mounting position and the second mounting position formed between the first bracket and the second bracket. The first bracket and the second bracket are respectively located on a first side and a second side opposite to the air extraction device to clamp and fix the air extraction device.

4. The negative pressure adsorption device according to claim 1, characterized in that, The first damping member includes an end portion and an outer peripheral portion. The end portion is disposed on the end face of the driving member, and the outer peripheral portion is disposed on the outer periphery of the driving member. And / or, the second damping member covers the outer periphery of the air pump.

5. The negative pressure adsorption device according to claim 2, characterized in that, The main body of the device includes a first shell and a second shell. The suction cup is integrally injection molded with the second shell. The suction cup has a vibration damping part located on the side of the second shell close to the first shell. The mounting bracket is fixed on the second shell, and the vibration damping part is located between the second shell and the mounting bracket.

6. The negative pressure adsorption device according to claim 1, characterized in that, The main body of the device includes a first shell and a second shell. The first shell is disposed radially outside the second shell, and a sealed annular cavity is provided between the first shell and the second shell.

7. The negative pressure adsorption device according to claim 6, characterized in that, The first shell has an opening facing the second shell. The second shell includes a main body and an extension. The main body is fixedly connected to the first shell at the opening. The extension is located inside the first shell and is fixedly connected to the inner wall of the first shell. The cavity is formed between the extension and the first shell.

8. The negative pressure adsorption device according to any one of claims 1-7, characterized in that, The suction cup is provided with air holes, which connect the concave cavity to the air pump. The negative pressure adsorption device also includes a sound insulation component, which is disposed in the air holes. The sound insulation component has bent channels inside, which can reduce the noise transmitted from the air holes.

9. A stent, characterized in that, include: The negative pressure adsorption device as described in any one of claims 1-8; The frame is connected to the main body of the negative pressure adsorption device.

10. The stent according to claim 9, characterized in that, The main body of the device is provided with a mounting hole, which communicates with the inner cavity and is used to install the frame. The inner wall of the main body of the device near the mounting hole is provided with a corrugated structure.

11. The stent according to claim 10, characterized in that, The outer wall of the main body of the device is provided with an annular protrusion, the mounting hole is located on the radial inner side of the annular protrusion, the frame includes a mounting base, and the mounting base cooperates with the annular protrusion.

12. The bracket according to claim 11, characterized in that, The frame also includes a fixing member, which is assembled in the mounting hole, with one end of the fixing member stopping against the inner wall of the device body and the other end of the fixing member connected to the mounting base.

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