Portable mute noise reduction water blowing machine

Abstract

The utility model discloses a portable mute noise reduction water blowing machine, relates to the technical field of water blowing machine equipment, and comprises an air duct body, a fixing ring and a fan cover, one end of the inner wall of the air duct body is movably connected with the fixing ring, through the combination of the air duct body, the fixing ring and the fan cover, the efficient and low-noise blowing function is achieved, and the noise reduction effect is good. The front end and the tail end of the inner wall of the fixing ring are covered with noise reduction cotton, and the damping ring and the buffering damper are installed in the middle of the fixing ring, so that vibration and noise generated when the brushless motor and the fan blades operate are effectively reduced. In addition, a dustproof filter screen and a second noise reduction honeycomb plate are installed on the inner wall of the fan cover, dust is prevented from entering the fan cover, noise is further reduced, and due to the multi-noise reduction design, the water blowing machine achieves the excellent mute performance while providing the powerful air blowing effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to a water blowing machine equipment technical field, concretely is a portable mute noise reduction water blowing machine. BACKGROUND

[0002] The water blowing machine mainly utilizes the high pressure gas pump to produce the powerful airflow, blows away the water accumulated on the vehicle body, thereby helps the quick drying vehicle body, avoids the water stain and other subsequent cleaning problems, especially after the rainy day, the vehicle body is easy to remain the water droplet, and the water droplet sticks the dust, and the water droplet surface will leave the watermark after the water droplet evaporation, therefore needs to use the water blowing machine to clean the water droplet.

[0003] The patent document CN217389661U discloses a multifunctional water blowing machine, which discloses "the utility model discloses a multifunctional water blowing machine, which is characterized by comprising a casing and a hair dryer arranged in the casing, a air duct corresponding to the hair dryer is arranged in the casing, a heating device is arranged at the air outlet of the air duct, the casing is provided with a mesh cover corresponding to the air outlet of the air duct, a water blowing pipe assembly connection position is movably arranged outside the mesh cover and is used for movably installing the water blowing pipe assembly, a bracket mounting position is arranged at the bottom of the casing, and a supporting bracket is movably installed on the bracket mounting position.

[0004] However, the water blowing machine of the above-mentioned disclosure mainly considers that the bracket mounting position is arranged at the bottom of the casing, and the supporting bracket is movably installed on the bracket mounting position, which has the technical problem of loud noise during use.

[0005] Therefore, it is necessary to study a portable mute noise reduction water blowing machine, which can improve the mute noise reduction effect of the water blowing machine during use. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a portable mute noise reduction water blowing machine to solve the technical problems in the background art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme, a portable mute noise reduction water blowing machine, including the wind pipe body, the fixed ring and the wind cover, the fixed ring is movably connected with the fixed ring in the wind pipe body inner wall one end, the fixed ring one end is provided with the wind cover;

[0008] The front end and the tail end of the inner wall of the fixed ring are covered with a layer of sound-absorbing cotton, a shock-absorbing ring is installed in the middle part of the inner wall of the fixed ring, a plurality of buffer shock absorbers are installed on the inner wall of the shock-absorbing ring, a brushless motor is installed at one end of the buffer shock absorber, a fan blade is installed on the output end of the brushless motor, a soundproof board is installed at one end of the inner wall of the fixed ring, a plurality of first noise reduction honeycomb boards are arranged on one side of the soundproof board, and a plurality of air inlet holes are formed on the other side of the soundproof board.

[0009] The inner wall of the air baffle is provided with a dustproof filter screen, and the other end of the dustproof filter screen is provided with a second noise reduction honeycomb plate.

[0010] Preferably, the fixing ring is provided with a plurality of first limiting grooves, a first pressure spring is arranged in the first limiting groove, one end of the first pressure spring is movably connected with a first limiting block, and one end of the outer wall of the first limiting block is arranged in the first limiting groove.

[0011] Preferably, one end of the outer wall of the air duct body is provided with a plurality of limiting holes, and the inner wall of the limiting hole is movably connected to the outer wall of the first limiting block.

[0012] Preferably, the middle part of the inner wall of the air duct body is covered with a sound insulation foam layer, and the inner wall of the sound insulation foam layer is covered with a mica paper heat insulation layer.

[0013] Preferably, the middle part of the inner wall of the air duct body is covered with a sound insulation foam layer, and the inner wall of the sound insulation foam layer is covered with a mica paper heat insulation layer.

[0014] Preferably, the other end of the air duct body is provided with an air outlet nozzle, the outer wall of the air outlet nozzle is provided with an annular groove, the inner wall of the annular groove is provided with a plurality of second limiting grooves, a second pressure spring is arranged in the second limiting groove, one end of the second pressure spring is movably connected with a second limiting block, and one end of the second limiting block is provided with an arc-shaped rubber block.

[0015] Preferably, the outer wall of the air outlet nozzle is movably connected with a blowing nozzle, the inner wall of the blowing nozzle is provided with an annular groove, and the inner wall of the annular groove is movably connected to the outer wall of the arc-shaped rubber block.

[0016] Compared with the prior art, the utility model has the advantages of the following:

[0017] The utility model discloses a combination of the air duct body, the fixing ring and the air baffle, realizes the blowing function of high efficiency and low noise, the sound-absorbing cotton covered on the front end and the tail end of the inner wall of the fixing ring and the shock-absorbing ring and the buffer shock absorber installed in the middle part effectively reduce the vibration and noise generated when the brushless motor and the fan blade operate, meanwhile, the sound insulation board on one end of the inner wall of the fixing ring and the first noise reduction honeycomb plate arranged on one side and the air inlet through hole on the other side further enhance the noise reduction effect, in addition, the dustproof filter screen and the second noise reduction honeycomb plate arranged on the inner wall of the air baffle prevent dust from entering and further reduce the noise, and the multiple noise reduction design makes the water blowing machine provide the strong blowing effect and realize excellent mute performance.

[0018] The utility model discloses a plurality of first limit grooves are set up in the fixed ring, and the first pressure spring is installed in each groove, and one end of the first pressure spring is movably connected with the first limit block, and the first limit block can move flexibly in the first limit groove, and the first limit block can keep a certain elastic force, and the limit hole set up on the outer wall of the air duct body is movably connected with the outer wall of the first limit block, thereby realizing the stable connection between the fixed ring and the air duct body, and allowing the fixed ring to be adjusted or disassembled easily when needed, thereby facilitating the installation or disassembly of the air cover and internal components according to actual demands, and cleaning or maintenance.

[0019] The utility model discloses a sound insulation foam layer and mica paper heat insulation layer are covered in the middle part of the air duct body inner wall, and the noise and heat transfer are effectively insulated, and the annular frame and the fixed rod on it are stably supported with the electric heating wire, which is favorable to ensuring the uniform distribution of heat, in addition, the annular groove set up on the outer wall of the air outlet and the second limit groove in it, cooperate with the arc rubber block on the second pressure spring and the second limit block, design a flexible air outlet connecting mechanism, so that the air outlet can be conveniently installed or disassembled, and good sealing property and stability are ensured, thereby not only improving the mute performance and heating efficiency of the air blower, but also enhancing the convenience and flexibility of use. ACCURACY OF DRAWINGS

[0020] Figure 1 It is the overall structure perspective drawing of the utility model;

[0021] Figure 2 It is the overall structure cross section schematic view of the utility model;

[0022] Figure 3 It is the air duct body structure schematic view of the utility model;

[0023] Figure 4 It is the structure schematic view of the utility model Figure 3 in A place;

[0024] Figure 5 It is the second noise reduction honeycomb board structure schematic view of the utility model;

[0025] Figure 6 It is the shock attenuation ring structure schematic view of the utility model.

[0026] In the figure: 1, the wind cylinder body; 2, fixed ring; 3, the fan cover; 4, sound-absorbing cotton; 5, shock ring; 6, buffer shock absorber; 7, brushless motor; 8, fan blade; 9, sound insulation board; 10, first noise reduction honeycomb board; 11, air inlet through hole; 12, dust filter screen; 13, second noise reduction honeycomb board; 14, first limiting groove; 15, first pressure spring; 16, first limiting block; 17, limiting hole; 18, sound insulation foam layer; 19, mica paper heat insulation layer; 20, annular frame; 21, fixed rod; 22, exhaust nozzle; 23, annular groove; 24, second limiting groove; 25, second pressure spring; 26, second limiting block; 27, arc-shaped rubber block; 28, blowing nozzle; 29, annular groove; 30, electric heating wire. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] Example 1: Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6The utility model provides a kind of portable mute noise reduction water blowing machine, including air duct body 1, fixed ring 2 and wind cover 3, the inner wall one end of air duct body 1 is movably connected with fixed ring 2, and the one end of fixed ring 2 is provided with wind cover 3;

[0031] The front end and the tail end of the inner wall of fixed ring 2 are covered with a layer of sound-absorbing cotton 4, and a shock-absorbing ring 5 is installed in the middle part of the inner wall of fixed ring 2, a plurality of buffer shock absorbers 6 are installed on the inner wall of shock-absorbing ring 5, a brushless motor 7 is installed on one end of buffer shock absorber 6, fan blades 8 are installed on the output end of brushless motor 7, a soundproof board 9 is installed on one end of the inner wall of fixed ring 2, a plurality of first noise reduction honeycomb boards 10 are arranged on one side of soundproof board 9, and a plurality of air inlet holes 11 are formed on the other side of soundproof board 9.

[0032] A dust filter screen 12 is installed on the inner wall of wind cover 3, and a second noise reduction honeycomb board 13 is installed on the other end of dust filter screen 12.

[0033] Further, through the combination of air duct body 1, fixed ring 2 and wind cover 3, the high-efficiency and low-noise blowing function is realized, the sound-absorbing cotton 4 covered on the front end and the tail end of the inner wall of fixed ring 2, the shock-absorbing ring 5 and the buffer shock absorbers 6 installed in the middle part effectively reduce the vibration and noise generated when the brushless motor 7 and the fan blades 8 are running, at the same time, the soundproof board 9 on one end of the inner wall of fixed ring 2, the first noise reduction honeycomb boards 10 arranged on one side thereof and the air inlet holes 11 on the other side further enhance the noise reduction effect, in addition, the dust filter screen 12 installed on the inner wall of wind cover 3 and the second noise reduction honeycomb board 13 not only prevent dust from entering, but also further reduce noise, and this multiple noise reduction design enables the water blowing machine to provide strong blowing effect while achieving excellent mute performance.

[0034] Embodiment 2: please refer to Figure 1 、 Figure 2 、 Figure 5 and Figure 6 In an embodiment provided by the utility model, a plurality of first limiting grooves 14 are formed in fixed ring 2, a first pressure spring 15 is installed in the inside of first limiting groove 14, a first limiting block 16 is movably connected to one end of first pressure spring 15, and one end of the outer wall of first limiting block 16 is arranged in the inside of first limiting groove 14.

[0035] A plurality of limiting holes 17 are formed in one end of the outer wall of air duct body 1, and the inner wall of limiting hole 17 is movably connected to the outer wall of first limiting block 16.

[0036] Further, by opening a plurality of first limiting grooves 14 in the fixed ring 2, a first pressure spring 15 is ingeniously installed in each groove, and one end of the first pressure spring 15 is movably connected with a first limiting block 16, so that the first limiting block 16 can move flexibly in the first limiting groove 14 while maintaining a certain elastic force, and the limiting hole 17 opened on the outer wall of the air duct body 1 is movably connected with the outer wall of the first limiting block 16, thereby realizing the stable connection between the fixed ring 2 and the air duct body 1, allowing the fixed ring 2 to be easily adjusted or disassembled when needed, and facilitating the installation or disassembly of the air cover 3 and the internal components according to actual needs, and cleaning or maintenance.

[0037] Embodiment 3: please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the utility model provides a kind of embodiment, the middle part of air duct body 1 inner wall is covered with a layer of soundproof foam layer 18, the inner wall of soundproof foam layer 18 is covered with a layer of mica paper heat insulation layer 19;

[0038] The middle part of air duct body 1 inside is provided with annular frame 20, and a plurality of fixed rods 21 are installed on the outer wall of annular frame 20, the other end of fixed rod 21 is fixedly connected to the inner wall of air duct body 1 by penetrating mica paper heat insulation layer 19 and soundproof foam layer 18, and electric heating wire 30 is installed on the inner wall of annular frame 20;

[0039] The other end of air duct body 1 is provided with exhaust nozzle 22, annular groove 23 is opened on the outer wall of exhaust nozzle 22, a plurality of second limiting grooves 24 are opened on the inner wall of annular groove 23, second pressure spring 25 is installed on the inner wall of second limiting groove 24, second pressure spring 25 one end movably connects with second limiting block 26, and one end of second limiting block 26 is installed with arc rubber block 27;

[0040] The outer wall of exhaust nozzle 22 movably connects with blowing nozzle 28, and annular groove 29 is opened on the inner wall of blowing nozzle 28, and the outer wall of arc rubber block 27 is movably connected to the inner wall of annular groove 29;

[0041] Further, by covering soundproof foam layer 18 and mica paper heat insulation layer 19 in the middle part of air duct body 1 inner wall, noise and heat transfer are effectively isolated, at the same time, annular frame 20 and fixed rod 21 on it stably support electric heating wire 30, which is beneficial to ensure the uniform distribution of heat, in addition, annular groove 23 opened on the outer wall of exhaust nozzle 22 and second limiting groove 24 in it cooperate with arc rubber block 27 on second pressure spring 25 and second limiting block 26, a flexible blowing nozzle 28 connection mechanism is designed, so that blowing nozzle 28 can be conveniently installed or disassembled, while ensuring good sealing performance and stability, thereby not only improving the mute performance and heating efficiency of the water blowing machine, but also enhancing the convenience and flexibility of its use.

[0042] The working principle, through the combination of the wind barrel 1, the fixed ring 2 and the fan cover 3, realizes the high-efficiency and low-noise blowing function, the sound-absorbing cotton 4 covered on the front end and the tail end of the inner wall of the fixed ring 2 and the shock-absorbing ring 5 and the buffer shock absorber 6 installed in the middle part effectively reduce the vibration and noise generated when the brushless motor 7 and the fan blade 8 operate, at the same time, the sound insulation board 9 at one end of the inner wall of the fixed ring 2 and the first noise reduction honeycomb plate 10 arranged on one side and the air inlet through hole 11 on the other side further enhance the noise reduction effect, in addition, the dust filter screen 12 and the second noise reduction honeycomb plate 13 installed on the inner wall of the fan cover 3 not only prevent dust from entering, but also further reduce noise, this multiple noise reduction design makes the water blowing machine realize excellent mute performance while providing strong blowing effect, by opening a plurality of first limiting grooves 14 in the fixed ring 2, a first pressure spring 15 is ingeniously installed in each groove, and one end of the first pressure spring 15 is movably connected with a first limiting block 16, so that the first limiting block 16 can move flexibly in the first limiting groove 14 while maintaining a certain elastic force, and the limiting hole 17 opened on the outer wall of the wind barrel 1 is movably connected with the outer wall of the first limiting block 16, thereby realizing the stable connection between the fixed ring 2 and the wind barrel 1 and allowing the fixed ring 2 to be easily adjusted or disassembled when needed, thereby facilitating the installation or disassembly of the fan cover 3 and the internal components according to actual needs, and cleaning or maintenance, by covering the sound insulation foam layer 18 and the mica paper heat insulation layer 19 in the middle part of the inner wall of the wind barrel 1, the noise and heat transmission are effectively isolated, at the same time, the annular frame 20 and the fixed rod 21 stably supporting the electric heating wire 30 arranged on the annular frame 20 are beneficial to ensure uniform distribution of heat, in addition, the annular groove 23 opened on the outer wall of the air outlet nozzle 22 and the second limiting groove 24 in the annular groove 23 cooperate with the second pressure spring 25 and the arc-shaped rubber block 27 on the second limiting block 26 to design a flexible air blowing nozzle 28 connecting mechanism, so that the air blowing nozzle 28 can be conveniently installed or disassembled while ensuring good sealing performance and stability, thereby not only improving the mute performance and heating efficiency of the water blowing machine, but also enhancing the convenience and flexibility of use.

[0043] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A portable mute noise reduction water blowing machine, comprising a wind cylinder body (1), a fixed ring (2) and a wind cover (3), characterized in that: The inner wall of the air duct body (1) is movably connected with a fixed ring (2), and one end of the fixed ring (2) is provided with a wind cover (3); The front end and the tail end of the inner wall of the fixed ring (2) are covered with a layer of sound-absorbing cotton (4), and the middle part of the inner wall of the fixed ring (2) is provided with a damping ring (5), the inner wall of the damping ring (5) is provided with a plurality of buffer dampers (6), one end of the buffer damper (6) is provided with a brushless motor (7), the output end of the brushless motor (7) is provided with a fan blade (8), one end of the inner wall of the fixed ring (2) is provided with a sound insulation board (9), one side of the sound insulation board (9) is provided with a plurality of first noise reduction honeycomb boards (10), and the other side of the sound insulation board (9) is provided with a plurality of air inlet holes (11). The inner wall of the wind cover (3) is provided with a dust filter screen (12), and the other end of the dust filter screen (12) is provided with a second noise reduction honeycomb board (13).

2. The portable, silent, noise-reducing water blaster of claim 1, wherein: The fixed ring (2) is provided with a plurality of first limiting grooves (14), the first limiting grooves (14) are provided with a first pressure spring (15), one end of the first pressure spring (15) is movably connected with a first limiting block (16), and one end of the outer wall of the first limiting block (16) is arranged in the first limiting groove (14).

3. The portable, silent, noise-reducing water blaster of claim 1, wherein: The outer wall of the air duct body (1) is provided with a plurality of limiting holes (17), and the inner wall of the limiting hole (17) is movably connected to the outer wall of the first limiting block (16).

4. The portable, silent, noise-reducing water blaster of claim 1, wherein: The middle part of the inner wall of the air duct body (1) is covered with a layer of sound insulation foam layer (18), and the inner wall of the sound insulation foam layer (18) is covered with a layer of mica paper heat insulation layer (19).

5. The portable, silent, noise-reducing water blaster of claim 1, wherein: The middle part of the inner wall of the air duct body (1) is provided with a ring-shaped frame (20), and the outer wall of the ring-shaped frame (20) is provided with a plurality of fixed rods (21), the other end of the fixed rod (21) penetrates the mica paper heat insulation layer (19) and the sound insulation foam layer (18) and is fixedly connected to the inner wall of the air duct body (1), and the inner wall of the ring-shaped frame (20) is provided with an electric heating wire (30).

6. The portable, silent, noise-reducing water blaster of claim 1, wherein: The other end of the air duct body (1) is provided with an air outlet nozzle (22), the outer wall of the air outlet nozzle (22) is provided with an annular groove (23), the inner wall of the annular groove (23) is provided with a plurality of second limiting grooves (24), the inner wall of the second limiting groove (24) is provided with a second pressure spring (25), one end of the second pressure spring (25) is movably connected with a second limiting block (26), and one end of the second limiting block (26) is provided with an arc-shaped rubber block (27).

7. The portable, silent, noise-reducing water blaster of claim 6, wherein: The outer wall of the air outlet nozzle (22) is movably connected with a blowing nozzle (28), the inner wall of the blowing nozzle (28) is provided with an annular groove (29), and the inner wall of the annular groove (29) is movably connected to the outer wall of the arc-shaped rubber block (27).

Images