Nasal aspirator

Abstract

The utility model relates to a nasal aspirator. The nasal aspirator comprises an aspiration bin assembly and a machine body. The suction bin assembly comprises a suction bin base, a suction bin cover, a flow guide support and a suction nozzle. The suction bin base is detachably assembled at the upper end of the machine body; the suction bin cover is detachably assembled at the upper end of the suction bin base, and a suction bin is defined by the suction bin cover and the suction bin base. A vertically-through suction column is arranged in the middle of the suction bin base. The flow guide support is located in the suction bin, installed on the suction column and communicated with the suction column, and suction holes communicated with the suction bin are formed in the side wall of the flow guide support. The axes of the suction bin, the flow guide bracket and the machine body are parallel or overlapped; a bent part is arranged at the upper part of the suction bin cover and is formed by bending from one side of the suction bin cover to the other side in an arc shape; the suction nozzle is assembled on the bent part and is obliquely arranged relative to the axis of the suction bin; the suction nozzle is communicated with the suction bin. According to the nasal aspirator, the effective space for containing snot in the suction bin can be enlarged, and the problem that the snot is sucked into the flow guide support and then enters the air pump is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a nose suction device technical field, especially a kind of nose suction device. BACKGROUND

[0002] Nose suction device is a kind of tool for assisting to clean secretion in nasal cavity, dredge respiratory tract. By nose suction device, nasal mucus in nasal cavity is sucked out, to achieve the purpose of sucking nasal mucus.

[0003] Nose suction device is generally composed of suction bin base, suction bin cover, flow guide support, suction nozzle, machine body, air pump and other components. Among them, suction bin base is installed on machine body, suction bin cover is arranged on suction bin base and enclosed to form suction bin, and suction nozzle is arranged on suction bin cover. Flow guide support is installed in suction bin, for guiding nasal mucus sucked into suction bin from suction nozzle, and preventing nasal mucus from being sucked into flow guide support. However, in the related technology of nose suction device, in order to facilitate the comfortable extension of suction nozzle of nose suction device into nasal cavity, suction bin base and suction bin cover are usually arranged on machine body in relative inclination, so that the space in suction bin and flow guide support are also inclined relative to machine body, which leads to too small effective space for accommodating nasal mucus in suction bin, and nasal mucus is easily sucked into flow guide support and then into air pump. SUMMARY

[0004] Therefore, the utility model aims at providing a kind of nose suction device, which can improve the effective space for accommodating nasal mucus in suction bin of nose suction device by the setting of each component, to avoid the problem that nasal mucus is sucked into flow guide support and then into air pump.

[0005] A kind of nose suction device, comprising suction bin assembly and machine body. Suction bin assembly comprises suction bin base, suction bin cover, flow guide support and suction nozzle. Suction bin base is assembled on the upper end of machine body. Suction bin cover is assembled on the upper end of suction bin base, and forms suction bin with suction bin base. Suction bin base is provided with suction column through up and down. Flow guide support is located in suction bin, and is installed on suction column and communicated with suction column. Suction hole communicated with suction bin is arranged on the side wall of flow guide support. The axis of suction bin, flow guide support and machine body is parallel or coincides. The upper part of suction bin cover is provided with a curved portion, which is formed by arc bending from one side to the other side of suction bin cover. Suction nozzle is assembled on the curved portion, and is arranged in inclination relative to the axis of suction bin. Suction nozzle is communicated with suction bin.

[0006] The nose suction device of the utility model, due to the axis of the suction bin, the flow guide support and the fuselage is parallel or coincides, compared with the mode that the suction bin and the flow guide support are set relative to the fuselage in the related art, the space volume that the suction hole of the flow guide support is at the horizontal plane and the suction bin cover part below the suction hole vertically and the space enclosed by the suction bin base are larger, and the effective space of the suction bin for containing nasal mucus in the vertical use state of the nose suction device is increased, compared with the related art, even in the case that the suction bin and the flow guide support are of the same size, the nose suction device of the utility model can contain more nasal mucus, and the problem that the nasal mucus is sucked into the flow guide support and then enters the air pump is avoided.In addition, by designing the upper part of the suction bin cover as a curved part and by setting the suction nozzle on the curved part and setting it relative to the axis of the suction bin, on the one hand, the suction nozzle can be easily inserted into the nasal cavity, and on the other hand, after the suction nozzle is inserted into the nasal cavity, the suction bin and the fuselage can stably maintain a vertical state, the effective space of the suction bin for containing nasal mucus is stable, the nasal mucus can be effectively contained, and the problem that the nasal mucus is sucked into the flow guide support and then enters the air pump is avoided.

[0007] Further, an inclined surface is arranged at the position of the other side of the curved part close to the suction bin cover, and a convex column part is arranged outside the inclined surface; the suction nozzle is arranged on the inclined surface, wherein the suction nozzle is provided with a suction pipeline, the suction pipeline passes through the convex column part and extends into the suction bin, and the outer wall of the suction pipeline abuts against the inner wall of the convex column part; the pipe opening of the suction pipeline is located above the flow guide support. By arranging the suction nozzle on the inclined surface, the suction nozzle can be arranged relative to the axis of the suction bin; by arranging the convex column part on the inclined surface, the suction pipeline of the suction nozzle passes through the convex column part and extends into the suction bin, the suction nozzle is communicated with the suction bin, and the outer wall of the suction pipeline abuts against the inner wall of the convex column part, so that the air tightness is improved.

[0008] Further, the suction nozzle is also provided with a sleeving part, the sleeving part is arranged on the outer periphery of the suction pipeline and spaced from the outer periphery of the suction pipeline to form a cavity accommodating the convex column part; the convex column part is located in the cavity, and the inner wall of the sleeving part abuts against the outer wall of the convex column part. The above design improves the assembly stability between the suction nozzle and the convex column part.

[0009] Further, the outer side wall of the air suction pipe is provided with a first protrusion, the inner side wall of the convex column part is provided with a first groove, and the first protrusion and the first groove are in abutment; the outer side wall of the convex column part is provided with a second protrusion, the inner side wall of the sleeving part is provided with a second groove, and the second protrusion and the second groove are in abutment. The abutment of the first protrusion and the first groove improves the assembly stability and air tightness between the air suction pipe and the convex column part; the abutment of the second protrusion and the second groove improves the assembly stability and air tightness between the convex column part and the sleeving part.

[0010] Further, the flow guide support includes a support body and two arc-shaped flow baffles, the support body is provided with an air passage; the arc-shaped flow baffles are formed with flow blocking cavities, and the two arc-shaped flow baffles are vertically arranged on the side walls on both sides of the support body and open outward; the side walls of the support body are respectively provided with the air suction holes at positions corresponding to the arrangement positions of the arc-shaped flow baffles, the air suction holes are in communication with the air passage and the flow blocking cavities; the two arc-shaped flow baffles and the outer side surface of the support body form a flow guide groove; and the lower end of the support body is detachably assembled on the suction column and is in communication with the suction column. Through further design of the flow guide support, the arc-shaped flow baffles are arranged on the side walls on both sides of the support body, the arc-shaped flow baffles open outward on the support body, that is, the upper and lower ends of each arc-shaped flow baffle extend outward and upward and downward, respectively, and the two arc-shaped flow baffles and the outer side surface of the support body form a flow guide groove. When the nose sucker sucks nasal discharge, the nasal discharge falls on the upper part of the arc-shaped flow baffle, and the arc-shaped flow baffle and the flow guide groove block and guide the nasal discharge, so that the nasal discharge falls quickly and is prevented from being sucked into the air suction hole.

[0011] Further, the two arc-shaped baffle plates each comprise a first baffle part, a second baffle part and a third baffle part; the first baffle part is arc-shaped and arranged on the side wall of the support main body, and the air suction hole is arranged at the corresponding position of the support main body and the first baffle part; the two sides of the first baffle part are respectively extended and protruded from the side wall of the support main body, so that two flow guide grooves are formed between the first baffle parts of the two arc-shaped baffle plates and the outer side of the support main body; the second baffle part is arranged at the upper end of the first baffle part and is arranged outward and upward from the first baffle part; and the third baffle part is arranged at the lower end of the first baffle part and is arranged outward and downward from the first baffle part. Through the structural design of the arc-shaped baffle plate, the flow guide support can block and guide nasal discharge in multiple aspects, and prevent the nasal discharge from being sucked into the air suction hole. Specifically, through the design that the two sides of the first baffle part are respectively extended and protruded from the side wall of the support main body, the two flow guide grooves are formed between the first baffle parts of the two arc-shaped baffle plates and the outer side of the support main body, the nasal discharge falling on the flow guide support is guided through the flow guide effect of the two flow guide grooves, and the air suction hole is isolated at the same time, so that the nasal discharge is prevented from being sucked into the air suction hole during falling; the second baffle part is arranged outward and upward from the upper end of the first baffle part, so that the nasal discharge falling on the second baffle part is blocked and guided to the flow guide groove through the inclination of the second baffle part, the nasal discharge is prevented from falling to the baffle cavity or the air suction hole, and the nasal discharge is prevented from being sucked into the airway from the air suction hole; and the third baffle part is arranged outward and downward from the lower end of the first baffle part, so that the nasal discharge falling from the flow guide groove can be guided through the inclination of the third baffle part, the nasal discharge is stably falling, the air suction hole is isolated at the same time, and the nasal discharge is prevented from being sucked into the airway from the air suction hole during falling.

[0012] Further, a protruding part is arranged at the air suction hole; the protruding part is extended and protruded outward from the side wall of the support main body. Through the arrangement of the protruding part at the air suction hole, the nasal discharge is further prevented from being sucked into the flow guide support from the air suction hole.

[0013] Further, the outer periphery of the suction bin base is upwardly protruded to form an upper side wall; the outer side of the upper side wall is provided with a first clamping protrusion; the inner side of the lower part of the suction bin cover is provided with a first rotating butt joint clamping groove, and the suction bin cover is detachably assembled on the suction bin base through the cooperation of the first rotating butt joint clamping groove and the first clamping protrusion. Through the above design, the suction bin base and the suction bin cover can be rotatably assembled.

[0014] Further, the outer periphery of the suction chamber base is downwardly protruded to form a lower side wall; a middle position of the bottom of the suction chamber base is further provided with an annular clamping wall, which is located at the outer periphery of the through hole of the lower end of the suction column and is located inside the lower side wall; the inner side of the annular clamping wall is provided with a second clamping protrusion; a middle position of the upper end of the machine body is upwardly protruded to form an annular docking wall; the outer side of the annular docking wall is provided with a second rotating docking clamping groove; the suction chamber base is detachably assembled at the upper end of the machine body through the cooperation of the second clamping protrusion and the second rotating docking clamping groove. Through the above design, the suction chamber base and the machine body can be detachably assembled by rotating each other.

[0015] Further, the lower bottom surface of the suction chamber base, the annular docking wall and the upper end surface of the machine body form a suction cavity; the upper part of the suction cavity is communicated with the suction column; an air inlet column is arranged in the suction cavity and at the upper end surface of the machine body, and the air inlet column is communicated with the air pump arranged in the suction chamber and the machine body; the air inlet column is staggered with the through hole at the lower end of the suction column. Through the above design, the suction cavity has a certain accommodation space, so that even if the nasal discharge enters the suction cavity from the flow guide support, the nasal discharge falls into the bottom of the suction cavity and does not enter the air inlet column due to the staggered arrangement of the air inlet column and the through hole at the lower end of the suction column, so that the nasal discharge can be prevented from entering the air pump and the air pump can be prevented from being damaged.

[0016] In order to better understand and implement, the following will be described in detail in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the nose aspirator of the utility model;

[0018] Figure 2 It is a half-section schematic view of the nose aspirator of the utility model;

[0019] Figure 3 It is a half-section schematic view of the suction chamber assembly;

[0020] Figure 4 It is a half-section schematic view of the suction nozzle;

[0021] Figure 5 It is a half-section schematic view of the suction chamber cover;

[0022] Figure 6 It is a structural schematic view of the flow guide support;

[0023] Figure 7 It is a half-section schematic view of the suction chamber base;

[0024] Figure 8 It is a structural schematic view of the upper end of the machine body;

[0025] Figure 9 Schematic diagram of half section for assembling structure of suction chamber base and upper end of machine body.

[0026] In the figure: 1, suction chamber assembly; 10, suction chamber; 11, suction chamber base; 111, suction column; 1111, third annular groove; 1112, third O-shaped sealing ring; 112, upper side wall; 113, first clamping protrusion; 114, first annular groove; 1141, first O-shaped sealing ring; 115, lower side wall; 1151, air outlet hole; 116, annular clamping wall; 117, second clamping protrusion; 118, air suction cavity; 119, air outlet cavity; 12, suction chamber cover; 121, bending part; 122, first rotating butt joint clamping groove; 123, inclined surface; 124, convex column part; 1241, first groove; 1242, second protrusion; 13, flow guide support; 130, flow blocking cavity; 131, support body; 1311, air suction hole; 1312, protrusion part; 1313, chamfered part; 132, arc-shaped flow blocking plate; 1321, first flow blocking part; 1322, second flow blocking part; 1323, third flow blocking part; 133, flow guide groove; 14, suction nozzle; 141, air suction pipeline; 1411, first protrusion; 142, sleeving part; 1421, second groove; 143, containing cavity; 15, anti-skid convex strip; 2, machine body; 21, annular butt joint wall; 211, second annular groove; 2111, second O-shaped sealing ring; 22, second rotating butt joint clamping groove; 23, air inlet; 24, air inlet column; 25, air pump; 26, air outlet; 27, battery; 28, charging port; 29, circuit board; 291, audio generator; 292, audio hole; 293, switch key; 294, gear key; 295, audio key; 296 light source key. DETAILED DESCRIPTION

[0027] In the description of the present application, it is to be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on 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 therefore cannot be understood as indicating or implying 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 limiting the present application.

[0028] In addition, the terms first, second, third and the like in the description and claims are only used for the purpose of distinguishing the same technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated, and also do not necessarily describe the order or time sequence. In appropriate cases, the terms are interchangeable. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features.

[0029] Similarly, the term "connected" is also used in the specification and claims in an identical sense, should not be understood as limited to direct connections. Therefore, the expression "device A is connected with device B" should not be limited to device A being directly connected to device B in the device or system, which means that there is a path between device A and device B, which can be a path including other devices or tools.

[0030] The present embodiment provides a nose suction device, please refer to Figures 1-2 , comprising a suction chamber assembly 1 and a body 2; the suction chamber assembly 1 comprises a suction chamber base 11, a suction chamber cover 12, a flow guide bracket 13 and a suction nozzle 14; the suction chamber base 11 is assembled at the upper end of the body 2; the suction chamber cover 12 is assembled at the upper end of the suction chamber base 11 and forms a suction chamber 10 with the suction chamber base 11; the middle position of the suction chamber base 11 is provided with a suction column 111 which penetrates up and down; the flow guide bracket 13 is located in the suction chamber 10 and is installed on the suction column 111 and communicates with the suction column 111, the sidewall of the flow guide bracket 13 is provided with a suction hole 1311 which communicates with the suction chamber 10; the axes of the suction chamber 10, the flow guide bracket 13 and the body 2 coincide; the upper part of the suction chamber cover 12 is provided with a curved part 121 which is arc-shaped from one side to the other side of the suction chamber cover 12; the suction nozzle 14 is assembled on the curved part 121 and is inclined relative to the axis of the suction chamber 10; the suction nozzle 14 communicates with the suction chamber 10.

[0031] The nose suction device of the present embodiment, in use, please refer to Figure 2 , compared with the way that the suction chamber and the flow guide bracket are inclined relative to the body in the related art, the horizontal plane where the suction hole 1311 of the flow guide bracket 13 is located and the space volume enclosed by the part of the suction chamber cover 12 vertically below the suction hole 1311 and the suction chamber base 11 are larger in the nose suction device of the present embodiment, which further increases the effective space for containing nasal mucus. Compared with the related art, even in the case of the same size of the suction chamber 10 and the flow guide bracket 13, the nose suction device of the present embodiment can contain more nasal mucus, avoiding the problem that the nasal mucus is sucked into the flow guide bracket 13 and then into the air pump. In addition, by designing the upper part of the suction chamber cover 12 as a curved part and by setting the suction nozzle 14 on the curved part 121 and inclined relative to the axis of the suction chamber 10, on the one hand, the suction nozzle 14 is facilitated to be inserted into the nasal cavity, and on the other hand, after the suction nozzle 14 is inserted into the nasal cavity, the suction chamber 10 and the body 2 can stably maintain an upright state, ensuring the stability of the effective space of the suction chamber 10 for containing nasal mucus, effectively containing nasal mucus and avoiding the problem that the nasal mucus is sucked into the flow guide bracket 13 and then into the air pump.

[0032] In order to facilitate the coaxial arrangement of the suction chamber 10, the flow guide bracket 13 and the body 2, in the present embodiment, please refer to Figure 2, the suction chamber base 11 is coaxially arranged at the upper end of the machine body 2, and the suction column 111 is arranged on the axis of the suction chamber base 11, so that after the guide support 13 is installed on the suction column 111, the guide support 13 can be coaxial with the machine body 2. In addition, please refer to Figure 2 and Figure 3 , the suction chamber cover 12 is coaxially arranged on the suction chamber base 11, so that the suction chamber 10 formed by the suction chamber cover 12 and the suction chamber base 11 is coaxial with the machine body 2.

[0033] In order to facilitate the detachable assembly between the suction chamber cover 12 and the suction chamber base 11, in the embodiment, please refer to Figure 2 、 Figure 4 and Figure 7 , the outer periphery of the suction chamber base 11 is upwardly protruded to form an upper side wall 112; the outer side of the upper side wall 112 is provided with a first clamping protrusion 113; please refer to Figure 2 、 Figure 4 and Figure 5 , the inner side of the lower part of the suction chamber cover 12 is provided with a first rotating butt joint clamping groove 122, and the suction chamber cover 12 is detachably assembled on the suction chamber base 11 through the cooperation of the first rotating butt joint clamping groove 122 and the first clamping protrusion 113, so that the mutual rotation between the suction chamber cover 12 and the suction chamber base 11 can realize the detachable assembly, and the suction chamber 10 is formed by being enclosed. Of course, those skilled in the art can also set other clamping and detachable assembly modes according to the actual situation. In addition, since the suction chamber 10 is used to contain nasal mucus, in order to improve the sealing performance between the suction chamber cover 12 and the suction chamber base 11, in the embodiment, the outer side of the upper side wall 112 is also provided with a first annular groove 114, and the first annular groove 114 is located above the first clamping protrusion 113; a first O-shaped sealing ring 1141 is installed in the first annular groove 114, and after the suction chamber cover 12 and the suction chamber base 11 are assembled, the first O-shaped sealing ring 1141 is in close contact (abuts) with the inner side wall of the lower part of the suction chamber cover 12.

[0034] In order to facilitate the detachable assembly between the suction chamber base 11 and the upper end of the machine body 2, in the embodiment, please refer to Figures 7-9The outer periphery of the suction chamber base 11 is downwardly protruded to form a lower side wall 115; the middle position of the bottom of the suction chamber base 11 is further provided with an annular clamping wall 116, which is located at the outer periphery of the through hole at the lower end of the suction column 111 and is located at the inner side of the lower side wall 115; the inner side of the annular clamping wall 116 is provided with a second clamping protrusion 117. The upper end of the machine body 2 is a flat surface, and the middle position of the upper end of the machine body 2 is upwardly protruded to form an annular docking wall 21; the outer side of the annular docking wall 21 is provided with a second rotating docking clamping groove 22. The suction chamber base 11 is detachably assembled at the upper end of the machine body 2 through the cooperation of the second clamping protrusion 117 and the second rotating docking clamping groove 22, so that the suction chamber base 11 and the upper end of the machine body 2 can be rotated relative to each other to realize detachable assembly. In order to improve the sealing between the annular clamping wall 116 of the suction chamber base 11 and the annular docking wall 21 of the machine body 2, in the embodiment, the outer side of the annular docking wall 21 is further provided with a second annular groove 211, which is located below the second rotating docking clamping groove 22; a second O-shaped sealing ring 2111 is installed in the second annular groove 211, and after the suction chamber base 11 is assembled with the upper end of the machine body 2, the second O-shaped sealing ring 2111 is in close contact (abuts) with the inner wall of the annular clamping wall 116.

[0035] Please refer to Figures 7-9 After the suction chamber base 11 is assembled with the upper end of the machine body 2, the lower bottom surface of the suction chamber base 11, the annular docking wall 21 (or the annular clamping wall 116), and the upper end surface of the machine body 2 form a suction chamber 118. The upper part of the suction chamber 118 is communicated with the suction column 111; a hollow air inlet column 24 is arranged in the suction chamber 118 and at the upper end surface of the machine body 2, and the air inlet column 24 has an air inlet 23 at the upper end, which is communicated with the suction chamber 118; the lower end of the air inlet column 24 is communicated with the air pump 25 in the machine body 2, so as to generate negative pressure through the air pump 25 to inhale air. Preferably, the air inlet column 24 is staggered with the through hole at the lower end of the suction column 111, so that even if the nasal discharge is sucked into the suction chamber 118 through the air inlet hole 1311 of the flow guide support 13, the nasal discharge will fall to the bottom of the suction chamber 118 and will not enter the air inlet column 24, that is, will not directly enter the air pump 25, preventing damage to the air pump 25. In addition, after the suction chamber base 11 is assembled with the upper end of the machine body 2, the lower side wall 115 of the suction chamber base 11 abuts against the outer periphery of the upper end surface of the machine body 2, and the lower bottom surface of the suction chamber base 11, the lower side wall 115, the annular clamping wall 116, and the upper end surface of the machine body 2 form an air outlet chamber 119; the lower side wall 115 is provided with an air outlet hole 1151, and an air outlet 26 is arranged in the air outlet chamber 119 and at the upper end surface of the machine body 2; the air outlet 26 is communicated with the air pump 25 in the machine body 2. Thus, the air sucked into the air inlet 23 by the air pump 25 is discharged from the air outlet 26.

[0036] In order to improve the stability of the suction chamber cover 12 and the suction chamber base 11 during disassembly and assembly, and the stability of the suction chamber base 11 and the machine body 2 during disassembly and assembly, please refer toFigure 1 The outer side of the suction chamber base 11 is provided with a plurality of anti-skid protrusions 15 to increase the contact friction when disassembling.

[0037] As a preferred scheme of the guide support 13 of the present embodiment, please refer to Figure 6 The guide support 13 comprises a support body 131 and two arc-shaped baffle plates 132, the support body 131 is provided with an air passage; the arc-shaped baffle plate 132 is formed with a baffle cavity 130, and the two arc-shaped baffle plates 132 are vertically arranged on the side walls of the support body 131 and open outward, so that the baffle cavity 130 is directly communicated with the suction chamber 10; the side walls of the two support bodies 131 are respectively provided with an air suction hole 1311 at the corresponding positions of each arc-shaped baffle plate 132, the air suction hole 1311 is communicated with the air passage and the baffle cavity 130; the two arc-shaped baffle plates 132 and the outer side of the support body 131 form a guide groove 133, and the lower end of the support body 131 is detachably assembled on the suction column 111 and communicated with the suction column 111. The guide support 13 of the present embodiment is provided with the arc-shaped baffle plate 132 on the side walls of the support body 131, the arc-shaped baffle plate 132 opens outward on the support body 131, that is, the upper and lower ends of each arc-shaped baffle plate 132 are respectively inclined upward and downward from the support body 131, and the two arc-shaped baffle plates 132 and the outer side of the support body 131 form the guide groove 133, so that the guide support 13 can block and guide the nasal discharge sucked from the suction nozzle 14. When the nasal aspirator sucks the nasal discharge, the nasal discharge falls on the upper part of the two arc-shaped baffle plates 132 or directly falls into the two guide grooves 133, and the nasal discharge is blocked from falling into the baffle cavity 130 by the action of the two arc-shaped baffle plates 132, preventing the nasal discharge from being sucked into the air suction hole 1311; at the same time, the nasal discharge is accelerated by the inclined ends of the two arc-shaped baffle plates 132 and the guide effect of the two guide grooves 133, so that the nasal discharge falls quickly, further preventing the nasal discharge from being sucked into the air suction hole 1311.

[0038] As a preferred scheme of the specific structure of the guide support 13 of the present embodiment, please refer to Figure 6The two arc-shaped flow baffles 132 each include a first flow baffle 1321, a second flow baffle 1322, and a third flow baffle 1323. Through the structural design of the arc-shaped flow baffles 132, the nasal discharge is prevented from being sucked into the air inlet hole 1311 in multiple ways. The first flow baffle 1321 is arranged on the side wall of the bracket body 131, the first flow baffle 1321 is arc-shaped, and the air inlet hole 1311 is arranged at the corresponding position of the bracket body 131 and the first flow baffle 1321. The two sides of the first flow baffle 1321 are respectively extended to protrude from the side wall of the bracket body 131, so that the first flow baffles 132 of the two arc-shaped flow baffles 132 are separated from each other, and the side wall of the bracket body 131 is enclosed to form two flow guide grooves 133. That is, the two arc-shaped flow baffles 132 are spaced apart from each other, and the side wall of the bracket body 131 is enclosed between the two sides of the two arc-shaped flow baffles 132 to form two flow guide grooves 133. Through the flow guiding effect of the two flow guide grooves 133, the nasal discharge falling on the flow guide bracket 13 is guided, and the air inlet hole 1311 is isolated at the same time, so that the nasal discharge is prevented from being sucked into the air inlet hole 1311 during the falling process. The second flow baffle 1322 is arranged at the upper end of the first flow baffle 1321 and is arranged outward and upward from the first flow baffle 1321, so that the nasal discharge falling on the second flow baffle 1322 is blocked and guided to the flow guide groove 133 by the inclined effect, and the nasal discharge is prevented from falling to the flow guide cavity 130 or the air inlet hole 1311, so that the nasal discharge is prevented from being sucked into the airway from the air inlet hole 1311. The third flow baffle 1323 is arranged at the lower end of the first flow baffle 1321 and is arranged outward and downward from the first flow baffle 1321, so that the nasal discharge falling from the flow guide groove 133 is guided by the inclined effect, and the air inlet hole 1311 is isolated at the same time, so that the nasal discharge is prevented from being sucked into the airway from the air inlet hole 1311 during the falling process.

[0039] To further prevent the nasal discharge from being sucked into the air inlet hole 1311, please refer to Figure 6 A protruding portion 1312 is arranged at the air inlet hole 1311; the protruding portion 1312 is formed by extending outward from the side wall of the bracket body 131, and the nasal discharge is further prevented from being sucked into the flow guide bracket 13 from the air inlet hole 1311 by designing the protruding portion 1312.

[0040] In this embodiment, please refer to Figure 6 The upper end of the bracket body 131 is provided with an arc-shaped chamfer portion 1313. By arranging the arc-shaped chamfer portion 1313 at the upper end of the bracket body 131, the nasal discharge falling on the upper end of the bracket body 131 can be accelerated to flow into the flow guide groove 133 through the arc-shaped chamfer portion 1313.

[0041] In the embodiment, the bracket body 131 is vertically hollow to form an air passage, the lower end of the bracket body 131 is open, and the upper end is closed. The bracket body 131 can be inserted into the upper end of the suction column 111 of the suction chamber base 11 through the open lower end, so that the bracket body 131 communicates with the suction column 111. Please refer to Figure 3 and Figure 7 Specifically, the outer side wall of the suction column 111 is provided with a third annular groove 1111, and the third O-shaped sealing ring 1112 is fitted in the third annular groove 1111. After the open lower end of the bracket body 131 is inserted into the upper end of the suction column 111, the third O-shaped sealing ring 1112 is in close contact (abuts) with the inner wall of the bracket body 131, thereby improving the air tightness between the bracket body 131 and the suction column 111.

[0042] In the embodiment, the bracket body 131 is cylindrical. In order to facilitate the arrangement of the arc-shaped baffle plate 132 on the side wall of the cylindrical bracket body 131, the arc-shaped baffle plate 132 is provided with a connecting portion adapted to the arc-shaped side wall of the bracket body 131, and the air suction hole 1311 is arranged in the middle of the bracket body 131 and the arc-shaped baffle plate 132. In the embodiment, the flow guide bracket 13 is integrally formed, which is convenient for production and manufacturing.

[0043] In order to facilitate the assembly of the suction nozzle 14 on the curved portion 121 of the suction chamber cover 12 and the inclined arrangement relative to the axis of the suction chamber 10, please refer to Figures 3-5 The curved portion 121 is arcuately curved from the bottom of one side of the suction chamber cover 12 to the upper portion of the other side. An inclined surface 123 is arranged on the curved portion 121 near the upper portion of the other side of the suction chamber cover 12, and a convex column portion 124 is arranged on the outer side of the inclined surface 123. The suction nozzle 14 is arranged on the inclined surface 123, wherein the suction nozzle 14 is provided with a suction pipe 141, the suction pipe 141 penetrates into the suction chamber 10 through the convex column portion 124, the outer side wall of the suction pipe 141 abuts against the inner side wall of the convex column portion 124, and the pipe opening of the suction pipe 141 is located above the flow guide bracket 13. In the embodiment, the outer side wall of the suction pipe 141 is provided with a first protrusion 1411, the inner side wall of the convex column portion 124 is provided with a first groove 1241, and the first protrusion 1411 and the first groove 1241 abut (interference fit). In the embodiment, the suction nozzle 14 is arranged on the inclined surface 123, so that the suction nozzle 14 is arranged inclined relative to the axis of the suction chamber 10, and the first protrusion 1411 and the first groove 1241 abut, thereby improving the assembly stability and air tightness between the suction pipe 141 and the convex column portion 124.

[0044] In order to further improve the assembly stability between the suction nozzle 14 and the convex column part 124 of the suction chamber cover 12, in the embodiment, the suction nozzle 14 is further provided with a sleeving part 142, which is arranged on the outer periphery of the air suction pipe 141 and is spaced from the outer periphery of the air suction pipe 141, and the air suction pipe 141 and the sleeving part 142 form a cavity 143 accommodating the convex column part 124; the convex column part 124 is located in the cavity 143, and the inner side wall of the sleeving part 142 abuts against the outer side wall of the convex column part 124. The outer side wall of the convex column part 124 is provided with a second protrusion 1242, the inner side wall of the sleeving part 142 is provided with a second groove 1421, and the second protrusion 1242 and the second groove 1421 abut (interference fit) to improve the assembly stability and air tightness between the convex column part 124 and the sleeving part 142.

[0045] In the embodiment, please refer to Figure 1 and Figure 2 The nose sucker further comprises an air pump 25 and a battery 27 arranged inside the body 2, and the battery 27 is used to power the air pump 25. The nose sucker further comprises a charging port 28 arranged at the bottom of the body 2, wherein the charging port 28 is connected with the battery 27, so as to facilitate charging of the battery 27 and improve the endurance of the nose sucker. The nose sucker 200 further comprises a circuit board 29, an audio generator 291, and a light source lamp (not shown in the figure) arranged in the body 2, and the bottom of the body 2 is further provided with an audio hole 292, and the outer side wall of the body 2 is provided with a switch key 293, a gear key 294, an audio key 295, a light source key 296, and the like, which are connected with the circuit board 29. The air pump 25 is started by operating the switch key 291, the gear of the air pump 25 is adjusted by the gear key 292, the audio generator 291 generates sound by the audio key 295, and the light source lamp is started by the light source key 296. In order to ensure the sealing and waterproof effect of the body 2, the nose sucker further comprises a silica gel protective sleeve (not shown in the figure) sleeved on the body 2. Those skilled in the art can also select other components of conventional technology in the art to set the body according to actual needs, which will not be described here.

[0046] The above-described embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the application. It should be noted that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, and the present application also intends to include these changes and modifications.

Claims

1. A nose aspirator, characterized by: The application relates to a vacuum cleaner, which comprises a suction bin assembly and a machine body; the suction bin assembly comprises a suction bin base, a suction bin cover, a flow guide support and a suction nozzle; the suction bin base is assembled at the upper end of the machine body; the suction bin cover is assembled at the upper end of the suction bin base and forms a suction bin together with the suction bin base; the suction bin base is provided with a suction column penetrating through the upper and lower portions; the flow guide support is located in the suction bin and is installed on the suction column and communicates with the suction column; the sidewall of the flow guide support is provided with suction holes communicating with the suction bin; the axes of the suction bin, the flow guide support and the machine body are parallel to each other or coincide with each other; the upper portion of the suction bin cover is provided with a curved portion which is formed by being curved from one side to the other side of the suction bin cover; the suction nozzle is assembled on the curved portion and is arranged obliquely relative to the axis of the suction bin; the suction nozzle communicates with the suction bin.

2. The nose aspirator of claim 1, wherein: An inclined surface is arranged on the curved portion close to the other side of the suction bin cover; the outer side of the inclined surface is provided with a convex column portion; the suction nozzle is arranged on the inclined surface; the suction nozzle is provided with a suction pipe which penetrates through the convex column portion and extends into the suction bin, and the outer sidewall of the suction pipe abuts against the inner sidewall of the convex column portion; the pipe opening of the suction pipe is located above the flow guide support.

3. The nose aspirator of claim 2, wherein: The suction nozzle is further provided with a sleeving portion which is arranged on the outer periphery of the suction pipe and is spaced apart from the outer periphery of the suction pipe to form a cavity accommodating the convex column portion; the convex column portion is located in the cavity, and the inner sidewall of the sleeving portion abuts against the outer sidewall of the convex column portion.

4. The nose aspirator of claim 3, wherein: The outer sidewall of the suction pipe is provided with a first protrusion, the inner sidewall of the convex column portion is provided with a first groove, and the first protrusion and the first groove abut against each other; the outer sidewall of the convex column portion is provided with a second protrusion, the inner sidewall of the sleeving portion is provided with a second groove, and the second protrusion and the second groove abut against each other.

5. The nose aspirator of claim 1, wherein: The flow guide support comprises a support body and two arc-shaped flow baffles; the support body is provided with an air channel; the two arc-shaped flow baffles are respectively arranged on the sidewalls of the support body on both sides of the support body in a vertical manner and open outward; the sidewalls of the support body are respectively provided with the suction holes at positions corresponding to the positions of the two arc-shaped flow baffles; the suction holes communicate with the air channel and the flow cavities; the two arc-shaped flow baffles and the outer side of the support body form a flow guide groove; the lower end of the support body is detachably assembled on the suction column and communicates with the suction column.

6. The nose pipette of claim 5, wherein: The two arc-shaped baffle plates each comprise a first baffle part, a second baffle part and a third baffle part; the first baffle part is arc-shaped and arranged on the side wall of the support main body, and the air suction hole is arranged at the corresponding position of the support main body and the first baffle part; the two sides of the first baffle part are respectively extended and protruded from the side wall of the support main body, so that two flow guide grooves are formed between the first baffle parts of the two arc-shaped baffle plates and the outer side surface of the support main body; the second baffle part is arranged at the upper end of the first baffle part and is arranged outward and upward from the first baffle part; and the third baffle part is arranged at the lower end of the first baffle part and is arranged outward and downward from the first baffle part.

7. The nose pipette of claim 6, wherein: A protruding part is arranged at the air suction hole; the protruding part is extended and protruded outward from the side wall of the support main body.

8. The nose pipette of claim 1, wherein: The outer periphery of the suction bin base is upwardly protruded to form an upper side wall; the outer side of the upper side wall is provided with a first clamping protrusion; the inner side of the lower part of the suction bin cover is provided with a first rotating butt joint clamping groove, and the suction bin cover is detachably assembled on the suction bin base through cooperation of the first rotating butt joint clamping groove and the first clamping protrusion.

9. The nose pipette of claim 1, wherein: The outer periphery of the suction bin base is downwardly protruded to form a lower side wall; the middle position of the bottom of the suction bin base is further provided with an annular clamping wall, which is located at the outer periphery of the through hole at the lower end of the suction column and at the inner side of the lower side wall; the inner side of the annular clamping wall is provided with a second clamping protrusion; the middle position of the upper end of the fuselage is upwardly protruded to form an annular butt joint wall; the outer side of the annular butt joint wall is provided with a second rotating butt joint clamping groove; and the suction bin base is detachably assembled on the upper end of the fuselage through cooperation of the second clamping protrusion and the second rotating butt joint clamping groove.

10. The nose pipette of claim 9, wherein: An air suction cavity is formed between the lower bottom surface of the suction bin base, the annular butt joint wall and the upper end surface of the fuselage; the air suction cavity is communicated with the suction column above; an air inlet is arranged in the air suction cavity and at the upper end surface of the fuselage, and the air inlet is communicated with the air pump arranged in the fuselage; the air inlet is staggered with the through hole at the lower end of the suction column, and an air inlet column is arranged at the air inlet and protruded from the upper end surface of the fuselage.

Images