CN111271306A

CN111271306A - Long-life shock attenuation fan

Info

Publication number: CN111271306A
Application number: CN202010178595.5A
Authority: CN
Inventors: 范绍富
Original assignee: Zhejiang Keli Fan Co ltd
Current assignee: Zhejiang Keli Fan Co ltd
Priority date: 2018-07-14
Filing date: 2018-07-14
Publication date: 2020-06-12
Also published as: CN108895008B; CN108895008A

Abstract

The invention discloses a long-life damping fan, which comprises an impeller; the shell is sleeved on the impeller and comprises a shell, radiating fins arranged on the shell, an air inlet pipeline communicated with the shell and an air outlet pipeline communicated with the shell; prevent stifled part, with the admission line cooperatees, including first filter screen, with the second filter screen of connection can be dismantled to first filter screen and locate solid fixed ring on the first filter screen, the second filter screen is the arc setting, gu fixed ring with the admission line links to each other. According to the invention, double filtration is realized through the first filter screen and the second filter screen, the filtration efficiency is high, impurities can be prevented from falling into the air inlet pipeline, the blockage in the fan can be prevented, the service life of the fan is prolonged, and the failure rate of the fan is reduced.

Description

Long-life shock attenuation fan

Technical Field

The invention belongs to the technical field of fans, and particularly relates to a long-life damping fan.

Background

The fan is the machinery that is used for compressing and conveying gas, and it is through converting into pressure energy and kinetic energy to it to the rotatory mechanical energy to realize the air feed, current fan is for being equipped with two pipelines usually, and one of them pipeline is inlet duct for in with the gas suction in the fan in the environment, compress, then send out through air-out pipeline outwards, thereby realize the effect that the fan bloied.

On its admission line of current fan its air inlet pipe its when convulsions, some impurity in the air, especially for example little plastic bag etc. can be inhaled in the fan, in this in-process impurity can be stirred into the fan, cause the fan inside to be full of impurity, lead to the fan to damage, cause the life of fan short.

Disclosure of Invention

The invention provides a long-life damping fan with long service life and low failure rate in order to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a long-life shock-absorbing blower includes

An impeller;

the shell is sleeved on the impeller and comprises a shell, radiating fins arranged on the shell, an air inlet pipeline communicated with the shell and an air outlet pipeline communicated with the shell;

the driving motor drives the impeller to rotate in the shell;

a base for supporting the housing and the driving motor;

a fixing member which is fitted with the base to fix the base; the fixing part comprises a negative pressure pipeline communicated with the air inlet pipeline, a sucker and a telescopic structure matched with the sucker to support the base, and the negative pressure pipeline is in sealing fit with the sucker;

prevent stifled part, with the admission line cooperatees, including first filter screen, with the second filter screen of connection can be dismantled to first filter screen and locate solid fixed ring on the first filter screen, the second filter screen is the arc structure, gu fixed ring with the admission line links to each other.

According to the invention, the anti-blocking component is arranged, the air inlet pipeline can be filtered, double filtration is realized through the first filter screen and the second filter screen, the filtering efficiency is high, impurities can be prevented from falling into the air inlet pipeline, the blockage in the fan can be prevented, the service life of the fan is prolonged, the failure rate of the fan is reduced, the first filter screen can be conveniently fixed by arranging the fixing ring, the fixing effect is good, the first filter screen can be conveniently detached for cleaning, the second filter screen is arranged into an arc-shaped structure, the air inlet area of the air inlet pipeline is increased in the using process, and part of materials can move along the side wall of the second filter screen when passing through the second filter screen by the arc-shaped second filter screen, so that the adhesion to the second filter screen is reduced; the fixing part is arranged, so that in the process of fixing the base, airflow is taken away when the fan supplies air outwards, and in the process, because the fluid inside the fixing part can be taken away, the air in the negative pressure pipeline is pumped out, the sucking disc and the like can be sucked with the ground, the fixing of the whole fan is firm in the process, the fan is prevented from being displaced due to vibration in the working process, and the stability of the fan in the working process is improved; similarly, when the fan stops working, air flows into the negative pressure pipeline again, so that the pressure returns to the original value, and the fan can be moved conveniently; and adopt extending structure, it can support the base, and extending structure can stretch out and draw back from top to bottom, has reduced the vibration frequency of fan at whole in-process, realizes the shock attenuation to the fan, has improved the stability of fan in the use.

Furthermore, a plurality of external threads are arranged on the fixing ring, and internal threads matched with the external threads are arranged on the second filter screen; through setting up external screw thread and internal thread its first filter screen of being convenient for and second filter screen are dismantled and are installed in the use, conveniently will fall into the impurity between first filter screen and the second filter screen and wash.

Furthermore, the fixed ring is provided with a plug connector, and the end part of the air inlet pipe is provided with a plug-in groove matched with the plug connector; set up the plug connector and insert in the inserting groove, can realize solid fixed ring and fix, its is fixed effectual, avoids first filter screen and second filter screen to throw off from the admission line.

Furthermore, a spring is sleeved on the plug connector, one end of the spring is connected with the upper part of the plug connector, and the other end of the spring is connected with the air inlet pipeline; the spring is arranged, so that the plug connector can be always inserted into the insertion groove, and the plug connector cannot be separated from the insertion groove due to vibration in the working process of the fan.

Furthermore, a limiting convex part is arranged on the inner wall of the fixing ring and matched with the end part of the air inlet pipeline; set up spacing convex part and can restrict solid fixed ring and excessively insert in the admission line, be convenient for solid fixed ring and spacing convex part fix.

Furthermore, the telescopic structure comprises a first sleeve connected with the base, a second sleeve connected with the first sleeve and an elastic piece sleeved on the first sleeve and the second sleeve, and the sucker is detachably connected with the sucker through a connecting structure; the first sleeve and the second sleeve are arranged, so that the negative pressure pipeline is sleeved on one side, the negative pressure pipeline is protected, and the stability of the negative pressure pipeline in the using process is improved; in addition, the elastic piece is arranged to connect the first sleeve and the second sleeve, so that vibration generated in the working process of the fan can be transmitted to the elastic piece, the vibration amplitude of the whole device is small, the vibration of the fan can cause loosening and air leakage when entering the sucker, the sucker can be guaranteed to be fixed firmly in the whole process, and the fixing effect of the fan is improved; and establish the sucking disc into dismantling the connection, this mode can be convenient for change the sucking disc that wears out badly, has ensured the fixed effect of fan.

Furthermore, the connecting structure comprises a connecting piece connected with the sucker in an adhesive mode and an inserting part formed at the lower portion of the second sleeve pipe, and the connecting piece is sleeved on the inserting part; through this mode of setting up, the connecting piece embolias the grafting portion on, and it is connected portably, and it is convenient for change the sucking disc.

Furthermore, a plurality of clamping convex parts are arranged on the insertion part, and a clamping concave part matched with the clamping convex parts is arranged on the connecting piece; set up joint convex part and joint concave part and mutually support, on the one hand the connecting piece is difficult for realizing the joint with grafting portion to the connecting piece is difficult for breaking away from in the middle of the grafting portion, and on the other hand then the cooperation of joint convex part and joint concave part, then improved the leakproofness between connecting piece and the grafting portion, improve the leakproofness between the whole sucking disc.

In conclusion, the double-filtration is realized through the first filter screen and the second filter screen, the filtration efficiency is high, impurities can be prevented from falling into the air inlet pipeline, the blockage in the fan can be prevented, the service life of the fan is prolonged, and the failure rate of the fan is reduced.

Drawings

Fig. 1 is a first schematic structural diagram according to a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 3 is a partial cross-sectional view of a first embodiment of the present invention.

Fig. 4 is an enlarged view of a in fig. 3.

Fig. 5 is an enlarged view of B in fig. 4.

Fig. 6 is an enlarged view of C in fig. 5.

Fig. 7 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 8 is an enlarged view of D in fig. 7.

Fig. 9 is a schematic structural diagram of a third embodiment of the present invention.

Fig. 10 is an enlarged view of E in fig. 9.

Fig. 11 is a schematic partial structure diagram of a third embodiment of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

The first embodiment is as follows:

as shown in fig. 1 to 6, a long-life vibration reduction fan includes an impeller 1, a casing 2, a driving motor 3, a base 4 and a fixing member 5, wherein the impeller 1 is an impeller of a commercially available turbo fan, which is a conventional art, the driving motor 3 is an commercially available motor, an output shaft of the driving motor 3 is connected to the impeller 1, so that the impeller rotates under the driving of the driving motor 3, the casing 2 includes a casing 21, a heat sink 22, an air inlet pipe 23 and an air outlet pipe 24, the casing 21 is sleeved on the impeller 1, the heat sink 22 is welded to an outer wall of the casing 21, the heat sink 22 is made of metal plate, so that the heat sink 22 can accelerate the efficiency of heat dissipation inside the casing 21, the air inlet pipe 23 is connected to the casing 21, and the air outlet pipe 24 is connected to the casing 21, as the impeller 1 rotates, the impeller 1 draws air in from the inlet duct 23, then compresses it by the impeller 1, and then discharges it from the outlet duct 24.

Further, the base 4 is a metal plate, a part of the base 4 is connected to the housing 2, another part is connected to the driving motor 3, the fixing member 5 is matched with the base 4, so as to support the housing 2 and the driving motor 3, the fixing member 5 includes a negative pressure pipe 51, a suction cup 52 and a telescopic structure 53, the negative pressure pipe 51 includes a first pipe portion 511, a second pipe portion 512 and a third pipe portion 513, the first pipe portion 511 is connected to the air inlet pipe 23, the first pipe portion 511 is a metal pipe, the second pipe portion 512 is connected to the first pipe portion 511, the second pipe portion 512 is a rubber pipe, the third pipe portion 513 is a metal pipe, the third pipe portion 513 is matched with the suction cup 52, and when the air inlet pipe 23 is used for pumping air, the air pumping pipe 23 passes through the first pipe portion 511, The second and third pipe portions draw air out of the suction cup 52, so that the suction cup 52 is free from air and the suction cup 52 is firmly attached to the floor.

Further, the telescopic structure 53 includes a first sleeve 531, a second sleeve 532 and an elastic member 533, the upper end of the first sleeve 531 is connected to the base 4, the upper end of the second sleeve 532 is sleeved on the first sleeve 531, and the lower end of the second sleeve 532 is detachably connected to the suction cup 52 through a connecting structure 6; the first sleeve 531 and the second sleeve 532 are both metal sleeves, and the negative pressure pipeline 51 is partially positioned in the first sleeve and the second sleeve; the elastic member 533 is a spring, the elastic member 533 is sleeved on the first sleeve and the second sleeve, specifically, a circle of supporting protrusion 535 is disposed on an outer wall of the second sleeve 532, a lower portion of the elastic member 533 abuts against the supporting protrusion 535, and an upper portion of the elastic member 533 abuts against a lower end surface of the base 4.

Specifically, the connecting structure 6 includes a connecting member 61 and an inserting portion 62, the connecting member 61 is a plastic ring, the upper portion of the suction cup 52 is sleeved on the connecting member 61, the inner wall of the suction cup 52 is glued to the outer wall of the connecting member 61, the inserting portion 62 is a concave portion formed by inward recessing of the lower portion of the second sleeve 532, and the connecting member 61 can be sleeved in the inserting portion 62; a plurality of clamping convex parts 621 are arranged on the outer wall of the insertion part 62, the clamping convex parts 621 are convex ribs with arc-shaped surfaces, a clamping concave part 611 is arranged on the inner wall of the connecting piece 61, and when the connecting piece 61 is sleeved in the insertion part 62, the clamping convex parts 621 can be clamped in the clamping concave part 611;

specifically, the connecting structure 6 further includes four hook portions 63 disposed on the connecting member 61 and a slot 64 disposed on the second sleeve 532, the hook portion 63 is a plastic hook, a portion of the hook portion 63 protrudes, the slot 64 is disposed on an outer wall of the second sleeve 532, the slot 64 is a direction groove, and the hook portion 63 can be inserted into the slot 64; the hook part 63 is provided with a first inclined surface 631 inclined from top to bottom, the second sleeve 532 is provided with a sliding groove 538, the sliding groove 538 is communicated with the clamping groove 64, and the sliding groove 538 is provided with a second inclined surface 539 inclined from top to bottom, so that when the connecting member 61 is sleeved in the insertion part 62, the hook part 63 can be clamped in the clamping groove 64 along the sliding groove 538; the first inclined surface is arranged to facilitate the hook part to slide along the second inclined surface, so that the hook part can be clamped into the clamping groove conveniently; the hook part can be limited by arranging the sliding chute, so that the stability of connection between the hook part and the second sleeve pipe is improved;

a sealing ring 65 is arranged at the end part of the connecting piece 61, the sealing ring 65 is a rubber ring, and the sealing ring 65 is in contact with the side wall of the insertion part 62, so that the sealing property between the connecting piece 61 and the insertion part 62 is further improved; set up sealing washer and grafting portion cooperation, improve the sealed effect between connecting piece and the second sleeve pipe, and then ensure the suction effect of sucking disc under the negative pressure condition.

Further, a sealing convex ring 55 is arranged on the inner wall of the suction cup 52, the sealing convex ring 55 comprises an inner ring 552 and an outer ring 551 wrapped on the inner ring 552, the inner ring 552 is a rigid plastic ring, the outer ring 551 is flexible rubber, and the outer ring 551 is adhered to the outer wall of the suction cup 52; set up the local thickness that sealed bulge loop then improved the sucking disc, thereby sealed bulge loop can contact with ground rubber, whole sucking disc's sealed effect has been ensured, and set sealed bulge loop into interior outer ring, its supporting effect who then improves sealed bulge loop at this in-process rigid inner ring, avoid sucking disc deformation and cause unable support, and adopt flexible material with the outer loop, it is when arranging the ground mountain in, certain degree deformation can take place for the outer loop, thereby the outer loop is under the pressure of fan, can imbed in the middle of some depressed parts on ground, thereby whole in-process sealed effect is high, and high adaptability.

Specifically, a filter structure 7 is arranged at an end of the negative pressure pipeline 51, the filter structure 7 includes a positioning convex ring 71, a fixing member 72 and a filter member 73, the positioning convex ring 71 is a rubber ring erected on the sealing convex ring 71, the positioning convex ring 71 is glued to the lower end of the negative pressure pipeline 51, the fixing member 72 is a plastic ring, the fixing member 72 is glued to the inner wall of the positioning convex ring 71, the filter member 73 is detachably connected to the fixing member 72, and the detachable connection can be fixed by a screw; can filter in the sucking disc through setting up filtration, avoided the fan to inhale impurity from the negative pressure pipeline at the in-process of work, and set up the location bulge loop it and erect sealed bulge loop on, thereby realize sealedly between location bulge loop and the sealed bulge loop, its sealing performance is good, it can be fixed effectual consequently sucking disc under the negative pressure, and it is effectual to set up the mounting and can improve the contact between location bulge loop and the sealed bulge loop on the one hand, on the other hand then can conveniently filter the piece and link to each other, be convenient for filter and carry out the dismouting.

Specifically, the filter element 73 is a metal disc, the filter element 73 is provided with a plurality of filter holes 731, three anti-blocking protrusions 732 arranged obliquely are arranged at the edges of the filter holes 731, the three anti-blocking protrusions 732 form a triangular pyramid shape, and a space is formed between two adjacent anti-blocking protrusions 732, so that air can be drawn out from the space; the anti-blocking convex part is arranged, so that the situation that the filter hole is blocked by large impurities under the working condition of the negative pressure pipeline can be avoided.

Example two:

as shown in fig. 7-8, the present embodiment is different from the first embodiment in that the present embodiment discloses that an anti-blocking component 8 is disposed on an end portion of the air inlet duct 23, so as to filter the air entering the air inlet duct 23, specifically: prevent stifled part 8 and include first filter screen 81, second filter screen 82 and solid fixed ring 83, gu fixed ring 83 is a becket, first filter screen 81 is the metal mesh, gu fixed ring 83 with first filter screen 81 is connected, gu fixed ring 83 with inlet duct 23 links to each other, second filter screen 82 is the metal mesh of an arc structure, is equipped with the internal thread on this second filter screen 82's the inner wall, gu be equipped with the external screw thread on fixed ring 83's the outer wall, consequently second filter screen 82 with first filter screen 81 spiro union.

Further, a plug-in connector 84 is arranged on the fixing ring 83, the plug-in connector 84 is a metal rod, a plug-in groove 230 is arranged on the air inlet pipeline 23, and the plug-in connector 84 can be inserted into the plug-in groove 230; the plug-in unit 84 is sleeved with a spring 85, one end of the spring 85 is connected with the upper part of the plug-in unit 84, and the other end of the spring 85 is connected with the fixing ring 83, so that the plug-in unit 84 can be stably inserted into the plug-in groove 230; a limiting convex part 831 is arranged on the inner wall of the fixing ring 83, the limiting convex part 831 is a circle of convex ring, and when the fixing ring 83 is sleeved in the air inlet pipeline 23, the limiting convex part 831 can be in contact with the end part of the fixing ring 83.

Example three:

as shown in fig. 9 to 11, the present embodiment is different from the first embodiment in that a heat dissipation component is disposed on the housing, so as to accelerate heat dissipation of the whole fan, specifically: the heat dissipation part 9 comprises a heat dissipation cavity 91 arranged on the shell 21, a liquid inlet pipeline 92 communicated with the heat dissipation cavity 91, a liquid outlet pipeline 93 communicated with the heat dissipation cavity 91 and a pump body 94, wherein the liquid outlet pipeline 93 is set to be a metal pipeline, the liquid inlet pipeline 92 is a metal pipeline arranged in an S-shaped bending mode, the pump body 94 is a water pump, one end of the pump body 94 is connected with the liquid outlet pipeline 93, the other end of the pump body is connected with the liquid inlet pipeline 92, therefore, water is pumped out of the pump body 94 through the liquid outlet pipeline 93, and then the water flows back into the heat dissipation cavity 91 again through the heat dissipation of the liquid inlet pipeline 92 arranged in the S-shaped bending mode, and therefore water cooling is.

Further, an S-shaped heat dissipation rib 921 is arranged on the outer wall of the liquid inlet pipeline 92, and the heat dissipation rib 921 is a convex rib; a branch pipe 95 is arranged on the liquid inlet pipeline 92, the branch pipe 95 is a metal pipe, a valve 96 is arranged on the branch pipe 95, and the valve 96 is a ball valve; be equipped with an air vent 97 on the casing 21, this air vent 97 with the heat dissipation chamber 21 is linked together, still be equipped with a shutoff piece 98 on the casing 21, this shutoff piece 98 is a metal column, shutoff piece 98 with the inner wall spiro union of air vent 97, the upper end on the shutoff piece 98 is equipped with a rotation portion 99, rotation portion 99 is the convex part of a hex horn shape the lower extreme of rotation portion 99 upwards caves in and is formed with concave ring 991, be equipped with sealing rubber 992 in the concave ring 991 the shutoff piece 98 is stopped up in the time of air vent 97, sealing rubber 992 with the outer wall of casing 21 contacts.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a shock attenuation fan of high life which characterized in that: comprises that

An impeller (1);

the casing (2) is sleeved on the impeller (1) and comprises a casing (21), radiating fins (22) arranged on the casing (21), an air inlet pipeline (23) communicated with the casing (21) and an air outlet pipeline (24) communicated with the casing (21);

the driving motor (3) is used for driving the impeller (1) to rotate in the shell (21);

a base (4) for supporting the housing (2) and the drive motor (1);

a fixing part (5) cooperating with the base (4) to fix the base (4); the fixing part (5) comprises a negative pressure pipeline (51) communicated with the air inlet pipeline (23), a sucker (52) and a telescopic structure (53) matched with the sucker (52) to support the base (4), and the negative pressure pipeline (51) is in sealing fit with the sucker (52);

the anti-blocking component (8) is matched with the air inlet pipeline (23) and comprises a first filter screen (81), a second filter screen (82) detachably connected with the first filter screen (81) and a fixing ring (83) arranged on the first filter screen (81), the second filter screen (82) is of an arc-shaped structure, and the fixing ring (83) is connected with the air inlet pipeline (23);

the telescopic structure (53) comprises a first sleeve (531) connected with the base (4), a second sleeve (532) connected with the first sleeve (531) and an elastic piece (533) sleeved on the first sleeve and the second sleeve, and the sucker (52) is detachably connected with the sucker (52) through a connecting structure (6); the connecting structure (6) comprises a connecting piece (61) which is glued with the sucker (52) and an inserting part (62) which is formed at the lower part of the second sleeve (532), and the connecting piece (61) is sleeved on the inserting part (62); the inserting part (62) is provided with a plurality of clamping convex parts (621), and the connecting piece (61) is provided with a clamping concave part (611) matched with the clamping convex parts (621); the negative pressure pipeline (51) comprises a first pipe part (511), a second pipe part (512) and a third pipe part (513) which are connected with the air inlet pipeline (23), and the third pipe part (513) is matched with the sucker (52);

the air inlet pipeline is characterized in that a plug connector (84) is arranged on the fixing ring (83), a plug-in groove (230) matched with the plug connector (84) is arranged at the end part of the air inlet pipeline (23), a spring (85) is sleeved on the plug connector (84), one end of the spring (85) is connected with the upper part of the plug connector (84), and the other end of the spring (85) is connected with the air inlet pipeline (23); a sealing convex ring (55) is arranged on the inner wall of the sucking disc (52), the sealing convex ring (55) comprises an inner ring (552) and an outer ring (551) wrapped on the inner ring (552), the inner ring (552) is a rigid plastic ring, and the outer ring (551) is flexible rubber; a filter structure (7) is arranged at the end part of the negative pressure pipeline (51), the filter structure (7) comprises a positioning convex ring (71), a fixing piece (72) and a filter piece (73), the positioning convex ring (71) is a rubber ring erected on the sealing convex ring (55), the positioning convex ring (71) is glued with the lower end part of the negative pressure pipeline (51), the fixing piece (72) is glued on the inner wall of the positioning convex ring (72), and the filter piece (73) is detachably connected with the fixing piece (72); the filter element (73) is provided with a plurality of filter holes (731), the edge of each filter hole (731) is provided with three anti-blocking convex parts (732) which are obliquely arranged, the three anti-blocking convex parts (732) form a triangular pyramid shape, and a space is reserved between every two adjacent anti-blocking convex parts (732); a space is reserved between the lower surface of the sealing convex ring (55) and the lower end of the sucking disc (52); the lower end of the third pipe part (513) is arranged in a flaring structure, the lower end part of the third pipe part (513) is arranged in the suction cup (52), and the outer diameter of the lower end of the third pipe part (513) is larger than the inner diameter of the second sleeve (532); the fixing ring (83) is provided with an external thread, and the second filter screen (82) is provided with an internal thread matched with the external thread; the inner wall of the fixing ring (83) is provided with a limiting convex part (831), and the limiting convex part (831) is matched with the end part of the air inlet pipeline (23).