WO2021088775A1

WO2021088775A1 - Sealed damping device and bladeless fan

Info

Publication number: WO2021088775A1
Application number: PCT/CN2020/126010
Authority: WO
Inventors: 俞浩
Original assignee: 追觅科技(上海)有限公司
Priority date: 2019-11-08
Filing date: 2020-11-03
Publication date: 2021-05-14

Abstract

Provided are a sealed damping device and a bladeless fan, wherein, the sealed damping device makes the air entering the bladeless fan clean by providing an airflow generation mechanism (10) for generating high-speed air flow, a shunting mechanism (20) for dispersing the high-speed air flow, and a filtering mechanism (40). The sealed damping device improves the internal sealing performance of the whole machine by arranging a ring-shaped sealing assembly (30) on the outer side and the inner side between the airflow generation mechanism (10) and the shunting mechanism (20), reduces the efficiency loss, prevents vibration conduction, reduces the noise of the whole machine, and improves the user experience.

Description

Sealed damping device and bladeless fan

Technical field

The invention relates to the field of bladeless fans, in particular to a sealed shock-absorbing device and a bladeless fan.

Background technique

For bladeless fans, air volume and wind speed are important indicators to measure product quality, and the airtightness between the impeller assembly and the parts connected to its guide vanes is an important performance that affects the efficiency of the whole machine and related product indexes.

In view of this, it is necessary to develop a sealed damping device and a bladeless fan to solve the above-mentioned problems.

Summary of the invention

In view of the shortcomings in the prior art, the purpose of the present invention is to provide a sealed shock-absorbing device, which includes: an air flow generating mechanism for generating a high-speed air flow is provided; and a shunt for dispersing and dredging the high-speed air flow Mechanism; and a filtering mechanism, which keeps the air entering the bladeless fan clean, by providing a first sealing ring and a second sealing ring on the outside and inside between the air flow generating mechanism and the shunt mechanism to improve the internal sealing of the whole machine Performance, reduce performance loss, reduce performance loss; prevent vibration transmission, reduce machine noise and improve user experience.

In order to achieve the above-mentioned objects and other advantages according to the present invention, a sealing shock-absorbing device is provided, which includes: an air flow generating mechanism for generating a high-speed air flow; a shunt mechanism for dispersing and dredging the high-speed air flow; and a sealing assembly , In a ring shape; and a filtering mechanism, which is hollow inside to form an accommodating space; wherein the filtering mechanism wraps the airflow generating mechanism, and the airflow generating mechanism, the shunt mechanism and the sealing assembly are coaxially arranged, The sealing assembly is arranged between the air flow generating mechanism and the flow dividing mechanism.

Preferably, the air flow generating mechanism includes: a power chamber, which is provided with an impeller drive; a draft tube, which is hollow in its interior and both upper and lower ends are open to respectively form an upper opening and a lower opening; and an impeller, which is coaxially arranged in Below the power chamber; wherein the power chamber and the impeller are arranged in the draft tube to form an annular drainage cavity, and the impeller is in driving connection with the power output end of the impeller driver.

Preferably, at least two first guide vanes are provided in the annular drainage cavity.

Preferably, the shunt mechanism includes: a first bending member whose interior is hollow; a second bending member whose interior is recessed and coaxially arranged in the first bending member; wherein, the first bending member and the first bending member The upper ends of the side walls of the two bending members are each provided with at least two U-shaped notches at intervals to form at least two shunts; the U-shaped notches of the first bending member and the U-shaped notches of the second bending member are located at the same position correspond.

Preferably, the lower side of the outer circumference of the first bending member extends downward to form a peripheral skirt; wherein a gap is provided between the peripheral skirt and the lower edge of the first bending member to form a catch groove, and the outer The outer side of the apron part is provided with fourth grooves arranged in a circular array at intervals.

Preferably, the upper part of the side wall of the second curved member is provided with meshes arranged in an array; the bottom surface of the second curved member is provided with buffer components at intervals; the edge of the bottom surface of the second curved member is provided with a first Groove.

Preferably, the first curved member and the second curved member are provided with second guide vanes at intervals; the second guide vane is integrally formed with the first curved member and the second curved member.

Preferably, the sealing assembly includes: a first sealing ring, the upper end of which is recessed inwardly to form a first clamping groove, and the lower end of the inner ring of the first sealing ring extends upwardly and inwardly along the center to form a first claw structure; The outer upper part of the first sealing ring is provided with protrusions arranged in a circular array; wherein, the protrusions are matched with the fourth groove on the peripheral skirt.

Preferably, the sealing assembly includes: a second sealing ring, the upper part of which is adapted to the first groove of the second bending member, the lower part of the second sealing ring is provided with at least two supporting feet, the The supporting foot is connected with the upper end surface of the air flow generating mechanism.

Preferably, the sealing assembly includes: a shock-absorbing ring, which is arranged at the lower outer side of the drainage tube; wherein the inner ring is provided with at least three shock-absorbing claws, and each shock-absorbing claw is provided directly below each of the shock-absorbing claws. There is a barb, and the outer circumference of the barb is at least partially provided with a spring.

Preferably, the shock-absorbing jaws are provided with two upper and lower jaw heads, and the jaw heads are provided with triangular anti-skid protrusions; the surface of the shock-absorbing jaws facing the shock-absorbing ring is provided with at least two jaws. Article.

Preferably, the sealing assembly includes: a connecting ring, the lower end face of which is recessed inward to form a connecting groove; the lower end surface of the inner circle of the connecting ring extends downwardly and inwardly along the center to form a connecting skirt.

Preferably, the inner wall of the filter assembly is provided with at least three bosses at intervals; wherein, the shock absorbing ring is erected on the boss.

Preferably, the diameter of the upper end of the filter assembly is smaller than the diameter of the main body of the filter assembly to form a circular insert at the upper end of the filter assembly, wherein the circular insert fits with the connecting groove .

The present invention also provides a bladeless fan, which includes the sealed shock-absorbing device according to any one of claims to.

The present invention also provides a sealing and damping device, including: an air flow generating mechanism for generating a high-speed air flow; a shunt mechanism for dispersing and dredging the high-speed air flow; and a first sealing ring located in the air flow generating mechanism And the outside of the flow dividing mechanism to seal the gap between the air flow generating mechanism and the outside of the flow dividing mechanism; a second sealing ring is located inside the air flow generating mechanism and the flow dividing mechanism to seal the air flow generating mechanism The gap between the mechanism and the inner side of the flow dividing mechanism; a supporting member, the supporting member is connected with the first sealing ring to support the air flow generating mechanism and the flow dividing mechanism.

Preferably, the upper and lower ends of the first sealing ring extend inwardly along the center of the first sealing ring and do not contact to form a second claw structure.

Preferably, the upper part of the outer side of the first sealing ring is provided with a T-shaped buckle structure arranged in a circular array; the lower part of the outer side of the first sealing ring is connected to a lower flange, and the lower flange is connected to the first There is a certain gap between the sealing rings to form a second clamping groove; wherein, the longitudinal part of the T-shaped buckle structure is self-integrated with the first sealing ring.

Preferably, the lower bottom surface of the flow dividing mechanism has a first groove, which fits with the upper part of the second sealing ring; the lower part of the second sealing ring is provided with at least two supporting feet, and the supporting feet are connected to the upper part of the second sealing ring. The upper end surfaces of the air flow generating mechanism are connected.

Preferably, the outer side of the support member extends downward in the axial direction to form an outer flange; the inner side of the support member extends downward in the axial direction to form an inner flange, and the lower end of the inner flange is connected to a supporting skirt; The upper part of the supporting skirt and the inner side of the supporting member form a third locking groove; wherein, the third locking groove is adapted to the T-shaped buckle structure on the first sealing ring, the The lower part of the supporting skirt at least partially overlaps with the second groove of the first sealing ring.

Preferably, at least four buffer components are provided at the bottom of the flow dividing mechanism.

Preferably, the buffer assembly includes a buffer through hole and a buffer rod; wherein the buffer through hole and the shunt mechanism are integrally formed.

Preferably, the upper part of the buffer rod is in the shape of a barb; the lower part of the buffer rod is at least partially spring; wherein, the upper part of the buffer rod extends out of the buffer through hole, and the lower part of the buffer rod is connected to the buffer through hole. The upper end face of the airflow generator is connected.

Preferably, the vertical cross section of the first sealing ring is "C" shaped.

The present invention also provides a bladeless fan, which includes the above-mentioned sealed shock-absorbing device.

Compared with the prior art, the present invention has the beneficial effects of: providing an air flow generating mechanism for generating high-speed air flow; a shunt mechanism for dispersing and dredging the high-speed air flow; The air of the fan is kept clean. The first sealing ring and the second sealing ring are arranged on the outside and inside between the airflow generating mechanism and the splitter mechanism to improve the internal sealing of the whole machine and reduce the efficiency loss; prevent vibration transmission and reduce the whole machine Noise and improve user experience.

Description of the drawings

Fig. 1 is a cross-sectional view of a bladeless fan proposed according to an embodiment of the present invention;

2 is a front cross-sectional view of the air flow generating mechanism of the sealed shock absorber according to an embodiment of the present invention;

Fig. 3 is a front cross-sectional view of a sealed shock-absorbing device according to an embodiment of the present invention;

Fig. 4 is a front view of the shunt mechanism of the sealing shock absorption device proposed according to an embodiment of the present invention;

Fig. 5 is a front cross-sectional view of the shunt mechanism of the sealing shock absorption device proposed according to an embodiment of the present invention;

Fig. 6 is a top view of the shunt mechanism of the sealing shock absorber according to an embodiment of the present invention;

Fig. 7 is a top view of the first sealing ring of the sealing assembly of the sealing shock-absorbing device proposed according to an embodiment of the present invention;

Fig. 8 is a front view of the first sealing ring of the sealing assembly of the sealing shock-absorbing device proposed according to an embodiment of the present invention;

9 is a front sectional view of the first sealing ring of the sealing assembly of the sealing shock absorption device proposed according to an embodiment of the present invention;

10 is a front cross-sectional view of the first sealing ring of the sealing and shock absorption device according to another embodiment of the present invention;

FIG. 11 is a perspective view of the first sealing ring of the sealing and damping device according to an embodiment of the present invention;

Figure 12 is a front cross-sectional view of the second sealing ring of the sealing assembly of the sealing shock absorption device proposed according to an embodiment of the present invention;

FIG. 13 is a front cross-sectional view of the supporting member 50 of the sealing and damping device according to an embodiment of the present invention;

14 is a plan view of the shock absorbing ring of the sealing assembly of the sealing shock absorbing device according to an embodiment of the present invention;

15 is a perspective view of the shock absorbing ring of the sealing assembly of the sealing shock absorbing device proposed according to an embodiment of the present invention;

16 is a front cross-sectional view of the shock absorbing ring of the sealing assembly of the sealing shock absorbing device according to an embodiment of the present invention;

Fig. 17 is a perspective view of a shock absorbing claw of a shock absorbing ring of a sealing assembly of a sealing shock absorbing device according to an embodiment of the present invention;

18 is a perspective view of a shock-absorbing claw of a shock-absorbing ring of a sealing assembly of a sealing shock-absorbing device according to an embodiment of the present invention;

19 is a front cross-sectional view of the connecting ring of the sealing assembly of the sealing shock absorption device proposed according to an embodiment of the present invention;

Fig. 20 is a front cross-sectional view of a filter mechanism of a sealed shock-absorbing device according to an embodiment of the present invention.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings, and the foregoing and other objectives, features, aspects and advantages of the present invention will become more apparent, so that those skilled in the art can implement them with reference to the text of the description.

In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used in all the drawings to indicate the same or similar parts.

In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are defined relative to the configuration shown in the drawings In particular, "height" is equivalent to the size from top to bottom, "width" is equivalent to the size from left to right, and "depth" is equivalent to the size from front to back. They are relative concepts, so they may be based on It changes accordingly in different positions and different usage states. Therefore, these or other positions should not be interpreted as restrictive terms.

Terms related to attachment, coupling, etc. (for example, "connection" and "attachment") refer to the relationship in which these structures are directly or indirectly fixed or attached to each other through intermediate structures, and the movable or rigid attachment or relationship, unless Other ways are clearly stated.

According to an embodiment of the present invention in conjunction with the illustrations in Figs. 1 to 3, it can be seen that, in the first embodiment of the present invention, the sealed shock-absorbing device includes:

The air flow generating mechanism 10, which has an air inlet and an air outlet, is placed in a bladeless fan to generate a high-speed air flow;

The flow dividing mechanism 20 is located above the air outlet of the air flow generating mechanism 10, and the air inlet of the flow dividing mechanism 20 has the same shape as the air outlet of the air flow generating mechanism 10, and disperses and dredges the high-speed air flow;

The sealing component 30 is ring-shaped; and

A filter mechanism 40, which keeps the air entering the bladeless fan clean;

Wherein, the filter mechanism 40 wraps the airflow generating mechanism 10, the airflow generating mechanism 10, the shunting mechanism 20, and the sealing assembly 30 are coaxially arranged, and the airflow generating mechanism 10 and the shunting mechanism 20 are not directly connected to each other. Contact, the sealing assembly 30 is provided between the airflow generating mechanism 10 and the shunting mechanism 20, and the sealing assembly 30 blocks the vibration transmission of the airflow generating mechanism 10, so that the shunting mechanism 20 can maintain smooth.

The air flow generating mechanism 10 includes:

The power chamber 110 is provided with an impeller drive 111;

The drainage tube 120 is hollow inside and both upper and lower ends are open to form an upper opening and a lower opening respectively;

The impeller 130 is coaxially arranged below the power chamber 110;

Wherein, the power chamber 110 and the impeller 130 are arranged in the drainage tube 120 to form an annular drainage chamber 121 (that is, the gap between the outer wall of the power chamber 110 and the inner wall of the drainage tube 120 forms a gap The annular drainage chamber 121), the impeller 130 is in transmission connection with the power output end of the impeller driver 111, so that the impeller 130 is driven by the impeller driver 111 to rotate around the axis of the drainage tube 120 .

The impeller 130 is arranged downstream of the air flow in the draft tube 120.

A fixing assembly for fixing the power chamber 110 is fixedly connected between the power chamber 110 and the drainage tube 120, and the fixing assembly is arranged upstream of the airflow in the drainage tube 120.

The fixing assembly is at least two first guide vanes 122 fixed between the power chamber 110 and the draft tube 120. In a specific embodiment, the impeller 130 is located under the draft tube 120. The first guide vane 122 is located at the upper opening of the draft tube 120.

The first guide vane 122 can correct the flow direction of the airflow deflected after being driven by the impeller 130. The deflection direction of the impeller 130 makes the airflow flow clockwise or counterclockwise in a vortex. The deflection direction of the flow vane 122 is opposite to the deflection direction of the impeller 130, and the airflow rotating clockwise or counterclockwise is guided by the opposite deflection direction of the first guide vane 122, so that the corrected flow direction of the airflow It is consistent with the axial direction of the drainage tube 120, which improves the smoothness of air flow and reduces the generation of noise.

As shown in Figs. 3 to 6, the shunt mechanism 20 includes:

The first bending member 210 is hollow inside;

The second bending member 220 is recessed inside and coaxially arranged in the first bending member 210;

Wherein, the first curved member 210 and the second curved member 220 are each provided with at least two U-shaped notches at a distance from the upper end of the side wall to form at least two shunt openings;

The U-shaped notch of the first bending member 210 corresponds to the position of the U-shaped notch of the second bending member 220, and the first bending member 210 and the second bending member 220 are arranged opposite to form a shunt The channel, the air flow in the bladeless fan body, enters the shunt mechanism 20 from the inner side of the body through the impeller driver 111, and the first bending member 210 extends into and closely adheres to the wall surface of the inner shell of the shunt passage 225. The second bending member 220 extends into and closely adheres to the wall surface of the outer shell of the runner 225, so that the air flow smoothly enters the runner 225, and prevents the air flow from quickly entering the narrow and long nozzle to cause noise, thereby improving user experience.

The lower side of the outer circumference of the first bending member 210 extends downward to form a peripheral skirt 211;

Wherein, a gap is formed between the peripheral skirt 211 and the lower edge of the first bending member 210 to form a clamping groove 212, and the outer skirt 211 is provided with fourth clamping grooves 2111 arranged in a circular array at intervals.

The upper part of the side wall of the second bending member 220 is provided with meshes arranged in an array;

The bottom surface of the second bending member 220 is provided with at least four buffer assemblies 223 (that is, at least four buffer assemblies 223 are provided at the bottom of the shunt mechanism 20), and the buffer assembly 223 includes a buffer through hole 2231 and a buffer rod 2232;

Wherein, the buffer through hole 2231 and the shunt 10 are integrally formed.

The upper part of the buffer rod 2232 is in the shape of a barb, which can prevent the shunting mechanism 20 from slipping off due to the vibration of the airflow generating mechanism 10 during the working process;

Wherein, the upper part of the buffer rod 2232 extends out of the buffer through hole 2231, and the lower part of the buffer rod 2232 is connected with the upper end surface of the airflow generator.

At least part of the lower part of the buffer rod 2232 is a spring, which further reduces the vibration of the shunt mechanism 20 and improves its service life.

The edge of the bottom surface of the second bending member 220 is provided with a first groove 221 (that is, there is a first groove 221 on the bottom surface of the shunt mechanism (20)). The first groove 221 and the upper part of the second sealing ring 320 Match.

The first bending member 210 and the second bending member 220 are provided with second guide vanes 222 spaced apart;

The second guide vane 222 is integrally formed with the first curved member 210 and the second curved member 220 to facilitate user disassembly; the second guide vane 222 is connected to the first guide vane 222 The deflection direction of the blade 122 is opposite, so that the air flow is deflected again, so that the energy of the air flow decreases, the wind stiffness decreases, and the wind blowing out of the bladeless fan becomes gentle, due to the side of the first bending member 210 There are mesh holes on the wall. After the air flow enters the branch channel, part of the air flow will flow out of the branch channel through the mesh holes to disperse the air flow, further reduce the intensity of the exhaust air, and make the wind gentle. Improve user experience.

In a specific embodiment, the arrangement of the U-shaped notches may be that at least two U-shaped notches are arranged side by side on the second member 20 at intervals, or may be arranged around the central axis of the second member 20. Circumferential array arrangement; wherein the number of the first bending member 210 of the first member 10 and the second bending member 220 on the second member 20 is consistent with the number of U-shaped notches provided.

As shown in FIGS. 7-9 and 11-19, the sealing assembly 30 includes:

The first sealing ring 310 is located on the outside of the airflow generating mechanism 10 and the shunting mechanism 20, and is used to seal the gap between the airflow generating mechanism 10 and the outside of the shunting mechanism 20. The upper end of the first sealing ring 310 A first slot 311 is recessed facing inward, and the first slot 311 is adapted to the peripheral skirt 211 of the diverting mechanism 20 to strengthen the stability of the airflow generating mechanism 10 and the diverging mechanism 20. The lower end of the inner ring of the first sealing ring 310 extends upwardly and inwardly along the center to form a first jaw structure 312. The cross-sectional area of the jaw of the first jaw structure 312 gradually decreases along its extending direction, so that The first pawl structure 312 and the air flow generating mechanism 10 better fit tightly, which ensures the airtightness between the air flow generating mechanism 10 and the shunt mechanism 20, and reduces the generation of noise.

The outer upper part of the first sealing ring 310 is provided with protrusions 313 arranged in a circular array;

Wherein, the protrusion 313 is matched with the fourth slot 2111 on the peripheral skirt 211, so that the air flow generating mechanism 10 and the shunt mechanism 20 are more closely connected, increasing the difference between the two Between the tightness.

In a specific embodiment, the positions of the fourth slot 2111 and the protrusion 313 can be interchanged, or used crosswise.

The sealing assembly 30 includes:

The second sealing ring 320 is located on the inner side of the airflow generating mechanism 10 and the shunting mechanism 20, and the second sealing ring 320 is used to seal the gap between the airflow generating mechanism 10 and the inner side of the shunting mechanism 20, and the second sealing ring 320 is used to seal the gap between the airflow generating mechanism 10 and the inner side of the shunting mechanism 20. The upper part of the sealing ring 320 fits with the first groove 221 of the second bending member 220, and the lower part of the second sealing ring 320 is provided with at least two supporting feet 321. The supporting feet 321 interact with the airflow The upper end surface of the generating mechanism 10 is connected, the supporting foot 321 is connected with the upper end surface of the airflow generating mechanism 10, and the upper part of the second sealing ring 320 can ensure that it is tightly connected with the diverting mechanism 20; The vertical vibration of the mechanism 20 due to the vibration transmission of the airflow generating mechanism 10 is due to the support feet 321 arranged at the lower part of the second sealing ring 320, and the support feet 321 will be deformed due to the vibration, which will affect the vibration. To a certain degree of relief, the service life of the shunt mechanism 20 is increased.

The first sealing ring 310 and the second sealing ring 320 prevent the flow dividing mechanism 20 and the air flow generating mechanism 10 from directly contacting each other, and the first sealing ring 310 and the second sealing ring 320 affect the air flow. The vibration transmission of the mechanism 10 is blocked, so that the shunt mechanism 20 can remain stable; the first sealing ring 310 and the second sealing ring 320 are preferably made of rubber.

The sealing assembly 30 includes:

A shock absorbing ring 330, which is arranged at the outer lower part of the drainage tube 120;

Wherein, the inner ring is provided with at least three shock-absorbing claws 331, and each shock-absorbing claw 331 is provided with a barb 332 directly underneath. At least part of the outer circumference of the barb 332 is provided with a spring 3321. At least three perforated ribs 333 are provided on the upper end surface of the inner ring.

The damping claw 331 is provided with two upper and lower claw heads 3311, the claw head 3311 is provided with a triangular anti-slip protrusion 3312, and the triangular anti-slip protrusion 3312 is in close contact with the outer wall of the drainage tube 120, The vibration of the air flow generating mechanism 10 is reduced.

The surface of the shock-absorbing claw 331 facing the shock-absorbing ring 330 is provided with at least two clamping strips 3313, and a through hole 3314 is provided above the clamping strip 3313. The through hole 3314 is connected to the perforated rib 333. Articulated. When the shock-absorbing claw 331 approaches the shock-absorbing ring 330, the clip strip 3313 is squeezed by the shock-absorbing ring 330, and the root of the clip strip 3313 rotates downward until the clip strip 3313 The root of 3313 extends into the damping ring 330 until it is clamped.

The sealing assembly 30 includes:

The connecting ring 340 has a connecting groove 341 recessed in its lower end face;

The lower end surface of the inner circle of the connecting ring 340 extends downwardly and inwardly along the center to form a connecting skirt 342.

At least three bosses 410 are provided on the inner wall of the filter assembly 40 at intervals;

Wherein, the damping ring 330 is erected on the boss 410.

The diameter of the upper end of the filter assembly 40 is smaller than the diameter of the main body of the filter assembly 40 (in other words, the diameter of the upper end of the filter assembly 40 is smaller than the diameter of the middle part of the filter assembly 40), so that A circular insert 420 is formed at the upper end of the filter assembly 40.

Wherein, the circular insert 420 fits the connecting groove 341, and the connecting skirt 342 is connected with the airflow generating mechanism 10 to ensure the stability of the airflow generating mechanism 10 in the accommodation space. Sex.

As shown in Figures 3 and 13, in the present invention, the sealing and damping device further includes a supporting member 50, the supporting member 50 is connected to the first sealing ring 310, and the first sealing ring 310 is respectively connected to the airflow The generating mechanism 10 and the splitting mechanism 20, so the supporting member 50 can be used to support the airflow generating mechanism 10 and the splitting mechanism 20, and the supporting member 50 is also fixedly connected to the inner wall of the bladeless fan, so as to realize the The sealing and damping device is fixed in the bladeless fan.

The outer side of the support member 50 extends downward in the axial direction to form an outer flange 510; the inner side of the support member 50 extends downward in the axial direction to form an inner flange 520, and the lower end of the inner flange 520 is connected to a support skirt 530; The upper part of the supporting skirt 530 and the inner side of the supporting member 50 form a third groove 531; wherein, the third groove 531 is adapted to the structure of the first sealing ring 310, The lower part of the supporting skirt 530 at least partially overlaps with the first groove 311 of the first sealing ring 310, and the upper end surface of the supporting member 50 is fixedly connected to the diverting mechanism 20, further stabilizing the diverting mechanism 20. The flow dividing mechanism 20 is also closely integrated with the first sealing ring 310 and the second sealing ring 320 and the air flow generating mechanism 10, which improves the sealing and shock absorption performance of the sealing and shock absorption device.

In a specific embodiment, the first sealing ring 310, the second sealing ring 320, and the buffer assembly 223 can each play a shock-absorbing effect, and can be freely combined or used alone; the first sealing ring 310 and The second sealing ring 320 can be freely selected to be in close contact with the splitter mechanism 20 and the airflow generating mechanism 10 on the upper and lower sides, or one side of the first sealing ring 310 and the second sealing ring 320 are tightly contacted. Contacting the flow dividing mechanism 20 and the air flow generating mechanism 10 for sealing; the first sealing ring 310 can also choose to be directly connected to the bladeless fan and the flow dividing mechanism 20 without a supporting member 50.

As shown in Fig. 10, Fig. 10 is a schematic structural diagram of the first sealing ring 310 in the second embodiment of the present invention. The second embodiment differs from the first embodiment only in that the structure of the first sealing ring 310 is improved. The connection between the first sealing ring 310 and the supporting member 50 is more specific. Other structures and connection relationships are the same as or equivalent to those of the first embodiment, and will not be repeated here.

In the second embodiment, the upper and lower ends of the first sealing ring 310 extend inwardly along the center of the first sealing ring 310 (that is, the upper and lower ends of the first sealing ring 310 extend inward, and the first sealing ring 310 The distance between the extension parts of the upper and lower ends of 310 gradually decreases from the position close to the upper and lower ends to the direction away from the position of the upper and lower ends) without contact, forming a second jaw structure 315. The cross-sectional area of the upper and lower claws of the two claw structure 315 gradually decreases along the extending direction thereof, so as to better seal the gap outside the first sealing ring 310.

The upper part of the outer side of the first sealing ring 310 is provided with T-shaped buckle structures 314 arranged in a circular array;

The outer lower part of the first sealing ring 310 is connected to a lower flange 317, and there is a certain gap between the lower flange 317 and the first sealing ring 310 to form a second clamping groove 316.

Wherein, the longitudinal part of the T-shaped buckle structure 314 is self-contained with the first sealing ring 310, and the outer side of the first sealing ring 310 is designed as a T-shaped buckle structure 314 on the upper part, and the lower part is designed The second locking groove 316 enables the cross combination of the first sealing ring 310 and the supporting member 50 to ensure the stability of the first sealing ring 310. The third groove 531 is adapted to the T-shaped buckle structure 314 on the first sealing ring 310, and the lower part of the supporting skirt 530 is connected to the second groove 316 of the first sealing ring 310 At least partially overlap.

The number of equipment and the processing scale described here are used to simplify the description of the present invention. The applications, modifications and changes to the present invention are obvious to those skilled in the art.

Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and embodiments. It can be applied to various fields suitable for the present invention. For those skilled in the art, it can be easily Additional modifications are implemented, so without departing from the general concept defined by the claims and equivalent scope, the present invention is not limited to the specific details and the legends shown and described here.

Claims

A sealed shock-absorbing device, which is characterized in that it comprises:

Air flow generating mechanism (10), which is used to generate high-speed air flow;

A shunt mechanism (20), which disperses and dredges the high-speed air flow;

The sealing assembly (30) has a ring shape; and

The filter mechanism (40) is hollow inside to form an accommodating space;

Wherein, the filtering mechanism (40) wraps the airflow generating mechanism (10), the airflow generating mechanism (10), the shunt mechanism (20) and the sealing assembly (30) are coaxially arranged, and the sealing The assembly (30) is arranged between the air flow generating mechanism (10) and the flow dividing mechanism (20).
The sealed shock-absorbing device according to claim 1, wherein the air flow generating mechanism (10) comprises:

The power chamber (110), which is provided with an impeller drive (111);

Drainage tube (120), which is hollow inside and both upper and lower ends are open to form an upper opening and a lower opening respectively;

The impeller (130) is coaxially arranged below the power chamber (110);

Wherein, the power chamber (110) and the impeller (130) are arranged in the draft tube (120) to form an annular drainage cavity (121), and the impeller (130) and the impeller drive (111) Transmission connection at the power output end.
The sealing and damping device according to claim 2, characterized in that at least two first guide vanes (122) are provided in the annular drainage cavity (121).
The sealing and damping device according to claim 1, wherein the shunt mechanism (20) comprises:

The first bending member (210) is hollow inside;

The second bending member (220) is recessed and coaxially arranged in the first bending member (210);

Wherein, the first curved member (210) and the second curved member (220) are each provided with at least two U-shaped notches at a distance from the upper end of the side wall to form at least two shunt openings;

The U-shaped notch of the first bending member (210) corresponds to the U-shaped notch of the second bending member (220).
The sealing and shock-absorbing device according to claim 4, characterized in that the lower side of the outer circumference of the first bending member (210) extends downward to form a peripheral skirt (211);

Wherein, the outer skirt portion (211) and the lower edge of the first curved member (210) are provided with a gap to form a catch groove (212), and the outer side of the outer skirt portion (211) is arranged in a circular array. The fourth card slot (2111) of the cloth.
The sealed shock-absorbing device according to claim 4, wherein:

The upper part of the side wall of the second bending member (220) is provided with meshes arranged in an array;

The bottom surface of the second bending member (220) is provided with buffer components (223) at intervals;

A first groove (221) is provided on the edge of the bottom surface of the second bending member (220).
The sealing and damping device according to claim 4, characterized in that, the first bending member (210) and the second bending member (220) are provided with second guide vanes (222) at intervals;

The second guide vane (222) is integrally formed with the first bending member (210) and the second bending member (220).
The sealing and damping device according to claim 5, wherein the sealing assembly (30) comprises:

The upper end of the first sealing ring (310) is recessed inward to form a first clamping groove (311), and the lower end of the inner ring of the first sealing ring (310) extends upward and inwardly along the center to form a first claw structure ( 312);

The outer upper part of the first sealing ring (310) is provided with protrusions (313) arranged in a circular array;

Wherein, the protrusion (313) is matched with the fourth slot (2111) on the peripheral skirt (211).
The sealing and damping device according to claim 6, wherein the sealing assembly (30) comprises:

The second sealing ring (320), the upper part of which is matched with the first groove (221) of the second bending member (220), and the lower part of the second sealing ring (320) is provided with at least two supporting feet (321), the supporting foot (321) is connected with the upper end surface of the airflow generating mechanism (10).
The sealing and damping device according to claim 2, wherein the sealing assembly (30) comprises:

A shock absorbing ring (330), which is arranged at the lower outside of the drainage tube (120);

Wherein, the inner ring is provided with at least three shock-absorbing claws (331), and each shock-absorbing claw (331) is provided with a barb (332) directly underneath, and the outer circumference of the barb (332) is at least A spring (3321) is partially provided.
The sealing and damping device according to claim 10, wherein the damping claw (331) is provided with two upper and lower claw heads (3311), and the claw head (3311) is provided with a triangular non-slip Protrusion (3312); the surface of the shock-absorbing claw (331) facing the shock-absorbing ring (330) is provided with at least two clamping strips (3313).
The sealing and damping device according to claim 1, wherein the sealing assembly (30) comprises:

The connecting ring (340), the lower end of which is recessed inwardly to form a connecting groove (341);

The lower end surface of the inner circle of the connecting ring (340) extends downwardly and inwardly along the center to form a connecting skirt (342).
The sealing and shock-absorbing device according to claim 10, wherein at least three bosses (410) are spaced apart on the inner wall of the filter assembly (40);

Wherein, the damping ring (330) is erected on the boss (410).
The sealed shock-absorbing device according to claim 12, characterized in that a part of the diameter of the upper end of the filter assembly (40) is smaller than the diameter of the main body of the filter assembly (40) so as to be at the upper end of the filter assembly (40). Form a circular insert (420),

Wherein, the circular insert (420) is adapted to the connecting groove (341).
A bladeless fan, characterized in that it comprises the sealed shock-absorbing device according to any one of claims 1-14.
A sealed shock-absorbing device, which is characterized in that it comprises:

Air flow generating mechanism (10), which is used to generate high-speed air flow;

A shunt mechanism (20), which disperses and dredges the high-speed air flow;

The first sealing ring (310) is located on the outside of the airflow generating mechanism (10) and the shunting mechanism (20) to seal the gap between the airflow generating mechanism (10) and the outside of the shunting mechanism (20) Gap

The second sealing ring (320) is located inside the airflow generating mechanism (10) and the shunt mechanism (20) to seal the gap between the airflow generating mechanism (10) and the inner side of the shunt mechanism (20) Gap

A supporting member (50), the supporting member (50) is connected with the first sealing ring (310) to support the air flow generating mechanism (10) and the flow dividing mechanism (20).
The sealing and damping device according to claim 16, characterized in that the upper and lower ends of the first sealing ring (310) extend inwardly along the center of the first sealing ring (310), and do not contact, forming a The second jaw structure (315).
The sealing and shock-absorbing device according to claim 16, characterized in that, the outer upper part of the first sealing ring (310) is provided with a T-shaped buckle structure (314) arranged in a circular array;

The outer lower part of the first sealing ring (310) is connected to a lower flange (317), and there is a certain gap between the lower flange (317) and the first sealing ring (310) to form a second clamp Slot (316);

Wherein, the longitudinal part of the T-shaped buckle structure (314) is self-contained with the first sealing ring (310).
The sealing and damping device according to claim 16, characterized in that, the lower bottom surface of the shunt mechanism (20) has a first groove (221) which is matched with the upper part of the second sealing ring (320) ；

The lower part of the second sealing ring (320) is provided with at least two supporting feet (321), and the supporting feet (321) are connected with the upper end surface of the airflow generating mechanism (10).
The sealing and shock-absorbing device according to claim 18, characterized in that the outer side of the supporting member (50) extends downward in the axial direction to form an outer flange (510);

The inner side of the supporting member (50) extends downward in the axial direction to form an inner flange (520), and the lower end of the inner flange (520) is connected with a supporting skirt (530);

The upper part of the supporting skirt (530) and the inner side of the supporting member (50) form a third slot (531);

Wherein, the third slot (531) is adapted to the T-shaped buckle structure (314) on the first sealing ring (310), and the lower part of the supporting skirt (530) is in contact with the first sealing ring (310). The second groove (316) of a sealing ring (310) at least partially overlaps.
The sealing and shock-absorbing device according to claim 16, characterized in that at least four buffer components (223) are provided at the bottom of the flow dividing mechanism (20).
The sealed shock-absorbing device according to claim 21, wherein the buffer assembly (223) comprises a buffer through hole (2231) and a buffer rod (2232);

Wherein, the buffer through hole (2231) and the shunt mechanism (20) are integrally formed.
The sealed shock-absorbing device according to claim 22, characterized in that the upper part of the buffer rod (2232) is in the shape of a barb;

At least part of the lower part of the buffer rod (2232) is a spring;

Wherein, the upper part of the buffer rod (2232) extends out of the buffer through hole (2231), and the lower part of the buffer rod (2232) is connected with the upper end surface of the airflow generator (20).
The sealing and damping device according to claim 16, characterized in that the vertical section of the first sealing ring (310) is "C" shaped.
A bladeless fan, characterized in that it comprises the sealed shock-absorbing device according to any one of claims 16-24.