CN208123128U - Air blower and its filter mechanism - Google Patents

Abstract

The utility model discloses a kind of filter mechanism, including outer housing, filter core, connection component and warning component；One end of outer housing offers a mounting hole, and the other end is for installing to the impeller mechanism of air blower；Filter core is in hollow structure and is installed on outer housing, and the hollow structure of filter core is connected with mounting hole；Connection component includes attachment base and the connector for being fixed on attachment base one end, and attachment base, connector are contained in filter core and are removably attachable on outer housing respectively；Warning component includes the differential pressure gauge being installed in mounting hole, it is used to measure the pressure in filter core and is shown, therefore, it can intuitively reflect the blockage of filter core by differential pressure gauge, to remind user to replace filter core, the case where causing the other component of air blower to fail or damage because of filter core blocking appearance is avoided, extends the service life of air blower, guarantees the use quality of air blower.A kind of air blower with the filter mechanism is also disclosed in the utility model.

Description

Air blower and its filter mechanism

Technical field

The utility model relates to blower technology fields, more particularly to a kind of air blower that the service life is longer and its filtering Mechanism.

Background technique

Air blower is the equipment for conveying gas, inside impeller is installed, when wheel rotation, due to centrifugal force It acts on and gas is promoted to move out forward, to make gas form a series of spiral helicine movements, between the blade of impeller Air accelerates to rotate in the shape of a spiral and the gas except the pump housing is squeezed into side channel, and after it enters wing passage, gas is compressed, Then it is returned between the blade of impeller and again speeds up rotation, with the progress of rotation, so that gas is extruded blade and pass through The outlet discharge pump housing, to realize the sucking of air, compression, discharge.

Due to containing various impurity (such as solid impurity, steam etc.) in air, incited somebody to action if these impurity enter in the pump housing The oil sealing in air blower, the gas vent on plug members can be damaged, and then damages component failure even, to influence air blower Normal use, shorten air blower service life, therefore, on air blower can all install filter mechanism with using filter core to air It is filtered.

With the use of air blower, filter core can be gradually clogged, and for the normal operation for guaranteeing filter mechanism, be needed periodically to filter Core is replaced.But the blockage of filter core can not be observed with the naked eye directly in air blower, user is built according to producer The time of view regularly replaces filter core by rule of thumb, and it is not prompt enough that this often leads to filter element replacing, and then leads to inside air blower it The service life of air blower is shortened in the damage of his component.

Therefore, it is necessary to a kind of improved filter mechanism and the air blower with the mechanism are provided, it is above-mentioned existing to solve The problem of in the presence of technology.

Utility model content

The purpose of this utility model is to provide the filter mechanisms that one kind can intuitively reflect filter core blockage.

The another object of the utility model is that filter core blocked state can intuitively be reflected, guarantee to use product by providing one kind Matter, the air blower to prolong the service life.

To achieve the above object, the technical solution of the utility model is：A kind of filter mechanism is provided, it is suitable for air blast Machine, the filter mechanism include outer housing, filter core, connection component and warning component；Wherein, one end of outer housing offers an installation Hole, the other end is for installing to the impeller mechanism of air blower；Filter core is in hollow structure and is installed on the outer housing, and institute The hollow structure for stating filter core is connected with the mounting hole；Connection component includes attachment base and is fixed on described attachment base one end Connector, the attachment base, the connector are contained in the filter core and are removably attachable to the outer housing respectively On；Warning component includes differential pressure gauge, and the differential pressure gauge is installed in the mounting hole, for measuring the pressure in the filter core simultaneously It is shown.

Preferably, the warning component further includes being installed on the intracorporal circuit board of the shell and being set on the circuit board Control chip, buzzer, the control chip respectively with the differential pressure gauge, the buzzer be electrically connected, the control core Piece controls the buzzer warning according to the measurement result of the differential pressure gauge.

Preferably, the connection component further includes pressing plate, it is set between one end and the outer housing of the filter core, and The pressing plate is detachably connected with the outer housing, the connector respectively, and the attachment base is removably attachable to described One end far from the pressing plate of outer housing.

Preferably, the attachment base include cylinder in hollow structure and set on the cylinder both ends the first fixed part, Second fixed part, first fixed part are convexly equipped in the outer wall of the cylinder, and second fixed part is parallel to the cylinder Inner wall, first fixed part are removably attachable to one end far from the pressing plate of the outer housing, and the connector is solid Due to second fixed part and with the pressing plate it is detachably connected.

Preferably, the connector includes fixing end and is vertically convexly equipped in the connecting rod of the fixing end, the fixing end It is fixed on the attachment base, it is outer and detachably connected with the pressing plate that the connecting rod protrudes out the attachment base.

Preferably, the pressing plate includes a bottom plate and the connecting column that is convexly equipped on the bottom plate, the connecting column be used for and The outer housing is detachably connected, and the bottom plate is used for and the connector is detachably connected and contradicts the end of the filter core Portion.

Preferably, the outer housing includes bottom cover and end cap, bottom cover is set to one end of the filter core, and the bottom cover is remote Side from the filter core is equipped with the first connecting pin, and first connecting pin with the impeller mechanism for being connected；End cap is set It is equipped with second connection end in the side far from the filter core of the other end of the filter core, and the end cap, the mounting hole is opened Set on the second connection end；The attachment base is removably attachable to the bottom cover, and the connector is removably attachable to The end cap.

Preferably, being additionally provided on the bottom cover in step-like the first resistance surface and the second resistance surface, the bottom cover is arranged In the filter core one end and so that second resistance surface is contacted at the end face of the filter core, first resistance surface is used for and institute It is detachably connected to state attachment base.

Preferably, being additionally provided on the end cap in step-like third resistance surface and the 4th resistance surface, the end cap is arranged In the filter core the other end and so that the 4th resistance surface is contacted at the end face of the filter core, the third resistance surface be used for and The connector is detachably connected.

Accordingly, the utility model also provides a kind of air blower comprising fixed plate is installed on the fixed plate side Motor and impeller mechanism, be installed on the motor output shaft big synchronizing wheel, be installed on the impeller mechanism shaft it is small Synchronizing wheel and the belt for being set around the big synchronizing wheel, the small synchronizing wheel；The air blower further includes filtering as described above Mechanism, the filter mechanism are connected to one end far from the fixed plate of the impeller mechanism.

Compared with prior art, due to the filter mechanism of the utility model, it is provided with warning component on outer housing, the police Show that component includes differential pressure gauge, differential pressure gauge is installed in the mounting hole of the hollow structure of the connection filter core on outer housing, and filter core is blocked Therefore the pressure rise that can cause it internal when plug, differential pressure gauge, pass through differential pressure for measuring the pressure in filter core and being shown Graduation apparatus or digital table on table can intuitively reflect the blockage of filter core, to remind user to replace filter core, to keep away Exempt from the case where causing the other component of air blower to fail or damage because of filter core blocking appearance, extend the service life of air blower, Guarantee the use quality of air blower.Further, by the setting of buzzer, when the pressure in filter core reaches preset threshold, Control chip controls buzzer warning, so as to it is more significant, prompt user in time.Accordingly, with the air blast of the filter mechanism Machine also has the same effect.

Detailed description of the invention

Fig. 1 is the top view of the utility model air blower.

Fig. 2 is the front view that Fig. 1 removes shield.

Fig. 3 is the exploded view of filter mechanism in Fig. 1.

Fig. 4 is the structural schematic diagram of bottom cover in Fig. 3.

Fig. 5 is the cross-sectional view of Fig. 4.

Fig. 6 is the structural schematic diagram of end cap in Fig. 3.

Fig. 7 is the cross-sectional view of Fig. 6.

Fig. 8 is the structural schematic diagram that connection component is matched with bottom cover in Fig. 3.

Fig. 9 is the cross-sectional view of Fig. 8.

Figure 10 is the top view of pressing plate in Fig. 8.

Figure 11 is the structural schematic diagram of attachment base in Figure 10.

Figure 12 is the cross-sectional view of Figure 11.

Specific embodiment

The embodiments of the present invention are described referring now to the drawings, similar element numbers represent similar member in attached drawing Part.

It is combined shown in Fig. 1-12 first, filter mechanism 10 provided by the utility model, is suitable for air blower 1, installation In on the impeller mechanism 20 of air blower 1, it is filtered for the air to entrance air blower 1.

As shown in figure 3, the filter mechanism 10 includes outer housing 11, filter core 12, connection component 13 and warning component 14.Its In, one end of outer housing 11 is for installing to turbine, and filter core 12 is in hollow structure and is installed on outer housing 11, and by even Connected components 13 are fixed by outer housing 11 and filter core 12；Warning component 14 includes differential pressure gauge 141, and differential pressure gauge 141 is installed on outer housing 11 and it is connected with the hollow structure of filter core 12, differential pressure gauge 141 is for measuring the pressure in filter core 12 and being shown, so as to straight See the stopping state for reflecting filter core 12.

It is highly preferred that as shown in figure 3, the warning component 14 further includes loaded on the circuit board 142 in outer housing 11 and setting In control chip 143, buzzer 144 on the circuit board 142, the control chip 143 respectively with differential pressure gauge 141, buzzing Device 144 is electrically connected, and when filter core 12 blocks, internal pressure can be gradually risen, the pressure that differential pressure gauge 141 is measured It is converted into electric signal and is transmitted to control chip 143, when pressure reaches preset threshold, control chip 143 controls buzzer 144 Alarm, in time, observably remind user.

Below with reference to shown in Fig. 3-7, the outer housing 11 includes bottom cover 111 and end cap 112, and bottom cover 111, end cap 112 divide Not She Yu filter core 12 both ends, and the side of the separate filter core 12 of bottom cover 111 be equipped with the first connecting pin 1111, the first connecting pin 1111 with impeller mechanism 20 for being connected；The side of the separate filter core 12 of end cap 112 is equipped with second connection end 1121, and second connects It connects and penetratingly offers mounting hole 1122 on end 1121, the mounting hole 1122 is for installing differential pressure gauge 141.Connection component 13 is worn In being removably attachable to bottom cover 111, end cap 112 in filter core 12 and respectively, to realize the installation of filter core 12 Yu outer housing 11.

As illustrated in figures 4-5, it is additionally provided on the bottom cover 111 in the first step-like resistance surface 1112 and the second resistance surface 1113, the first resistance surface 1112 is close in the first connecting pin 1111, and penetratingly offers multiple companies in the first resistance surface 1112 Hole 1114 is connect, which is used for and connection component 13 is detachably connected, in the utility model, connection component 13 Contact at the first resistance surface 1112 and by rivet interlacement in fixing the two in the connecting hole 1114, but not limited to this, It can also be attached by other means.When bottom cover 111 is connected on filter core 12, bottom cover 111 is sheathed on the one of filter core 12 It holds and is arranged in connection component 13 in filter core 12, and the second resistance surface 1113 of bottom cover 111 contacts at the end face of filter core 12.

As shown in fig. 6-7, it is in step-like third resistance surface 1123, the 4th resistance surface 1124 that the end cap 112, which is equipped with, And it is connected to connection inclined-plane 1125 between the two, and third resistance surface 1123 is opened up close to second connection end 1121 and thereon There are multiple connecting holes 1126, when being connected on filter core 12, end cap 112 is sheathed on outside filter core 12 and contradicts the 4th resistance surface 1124 It is removably installed in the connecting hole 1126 on the end face of filter core 12, third resistance surface 1123 for connection component 13, to realize Fixation to end cap 112.

Further, one end of the separate third resistance surface 1123 of second connection end 1121 has the resistance to be formed that bends inwards Stopper 1127, differential pressure gauge 141 are installed in second connection end 1121, and inconsistent to prevent differential pressure gauge 141 with blocking portion 1127 It is detached from out of mounting hole 1122, while being shown by mounting hole 1122.

Below with reference to shown in Fig. 3, Fig. 8-9, the connection component 13 includes attachment base 131, connector 132 and pressing plate 133, Connector 132 is fixed on one end of attachment base 131 and is both contained in the filter core 12, and pressing plate 133 is set to filter core 12 Between one end and end cap 112, and pressing plate 133 is detachably connected with end cap 112, connector 132 respectively, and pressing plate 133 also contradicts In the end of filter core 12, attachment base 131 is removably attachable to bottom cover 111, so that filter core 12 is installed on outer housing 11.

Below with reference to shown in Fig. 8-12, the attachment base 131 include in hollow structure cylindrical structure cylinder 1311 and The first fixed part 1312, the second fixed part 1313 set on 1311 both ends of cylinder, diameter of first fixed part 1312 along cylinder 1311 To its outer wall is convexly equipped in, the second fixed part 1313 setting cylinder 1311 is interior and is parallel to the inner wall of cylinder 1311, wherein first is solid Determine portion 1312 and be removably attachable to bottom cover 111, connector 132 is fixed on the second fixed part 1313 and detachable with pressing plate 133 Ground connection.

In the utility model, the cylinder 1311 of attachment base 131, the first fixed part 1312, the second fixed part 1313 are integrated Molding structure, but not limited to this, it can according to need flexible setting.

Referring again to shown in Fig. 8-9, the connector 132 is preferably T-shaped comprising fixing end 1321 and is vertically convexly equipped in The connecting rod 1322 of fixing end 1321, and the length of fixing end 1321 is corresponding with the internal diameter of the second fixed part 1313, this is fixed End 1321 is contained in the second fixed part 1313 and both ends contradict the inner wall of the second fixed part 1313 respectively, fixing end 1321 and the It is welded and fixed, certainly, can also be fixed between the two using other modes, connecting rod 1322 protrudes out between two fixed parts 1313 Attachment base 131 is outer and for detachably connected with pressing plate 133.

In the utility model, connecting rod 1322 is preferably screw rod, when it is arranged on pressing plate 133 and protrudes out filter core 12 Afterwards, nut is connected to the connection that can be realized on the screw rod with pressing plate 133, installation and disassembly are all more convenient.Certainly, it connects Screw rod is also not limited between bar 1322 and pressing plate 133, the connection type that nut matches, it is real by other means between the two Now it is detachably connected the realization for not influencing the technical program equally.

It recombines shown in Fig. 8-10, the pressing plate 133 includes a bottom plate 1331 and the connection being convexly equipped on bottom plate 1331 Column 1332, in the utility model, connecting column 1332 is preferably screw rod, and is also provided on bottom plate 1331 for connector 132 even The through-hole 1333 that extension bar 1322 is worn.When installation, bottom plate 1331 contacts at the end of filter core 12, and connecting rod 1322 is worn thereon Through-hole 1333 in and protrude out outside filter core 12, then connecting rod 1322 is connected to by nut；Meanwhile connecting column 1332 is arranged in In connecting hole 1126 on end cap 112, nut is recycled to be connected on connecting column 1332, to realize the fixation of end cap 112.By By the mating connection of nut and connecting column 1332, connecting rod 1322, keep assembling, disassembly all more easy, is more convenient user's replacement Filter core 12.Certainly, however it is not limited to which above-mentioned connection type can also be detachably connected using the realization of other connecting elements.

It is recombined shown in Fig. 1-2 below, a kind of air blower 1 that the utility model also provides comprising filter mechanism 10, Impeller mechanism 20, motor 30, fixed plate 40, big synchronizing wheel 50, small synchronizing wheel 60 and belt 70.Specifically, motor 30 and impeller Mechanism 40 is respectively arranged in the side of fixed plate 20, and the shaft of the output shaft of motor 30, impeller mechanism 40 is arranged in admittedly respectively On fixed board 20, filter mechanism 10 is connected to one end of the separate fixed plate 20 of impeller mechanism 40, and big synchronizing wheel 50 is installed on motor On 30 output shaft, small synchronizing wheel 60 is installed in the shaft of impeller mechanism 40, and big synchronizing wheel 50, small synchronizing wheel 60 are located at admittedly The other side of fixed board 20, belt 70 are set around big synchronizing wheel 50, in small synchronizing wheel 60.Wherein, impeller mechanism 20, motor 30, solid Fixed board 40, big synchronizing wheel 50, the structure and set-up mode of small synchronizing wheel 60 and belt 70 are the conventional design of this field, and mistake Therefore the structure of filter structure 10 is as described above, be not repeated to describe.

Referring again to shown in Fig. 1, the air blower 1 further includes shield 80, be fixed in fixed plate 20 and with fixation The installation space accommodated for big synchronizing wheel 50, small synchronizing wheel 60, belt 70 is formed between plate 20, so that it is big to prevent from running at high speed Synchronizing wheel 50, small synchronizing wheel 60, security risk brought by belt 70, and be additionally provided on shield 80 air-permeating hole (not shown) with Improve heat dissipation effect.

It recombines shown in Fig. 1-12, when the air blower 1 works, air is entered in its hollow structure simultaneously by filter core 12 Enter impeller mechanism 20, during this, liquid water, liquid oil droplet, solid impurity in air etc. by the first connecting pin 1111 It is isolated on filter core 12.With the use of air blower 1, liquid water, liquid oil droplet, solid impurity for accumulating on filter core 12 etc. are more Come mostly until filter core 12 is blocked, so as to cause the pressure rise inside filter core 12, differential pressure gauge 141 is measured inside filter core 12 Pressure is simultaneously shown on its graduation apparatus or digital table, therefore can intuitively reflect the stopping state of filter core 12, so as to user Replacement filter core 12 in time, to guarantee the service life of air blower 1 and use quality.

Further, preset threshold is reached by setting circuit board 142 and buzzer 144, the pressure inside filter core 12 When, alarmed by buzzer 144, thus more in time, easily remind user.

To sum up, due to the filter mechanism of the utility model 10, it is provided with warning component 14 on outer housing 11, the warning group Part 14 includes differential pressure gauge 141, and differential pressure gauge 141 is installed on the mounting hole 1122 of the hollow structure of the connection filter core 12 on outer housing 11 Pressure rise that is interior, can causing it internal when filter core 12 is blocked, the pressure that differential pressure gauge 141 is used to measure inside filter core 12 are gone forward side by side Therefore row display can intuitively reflect the blockage of filter core 12 by graduation apparatus on differential pressure gauge 141 or digital table, To remind user to replace filter core 12, to avoid causing the other component of air blower 1 to fail or damage because filter core 12 blocks The case where occur, extend air blower 1 service life, guarantee air blower 1 use quality.Further, pass through buzzer 144 Setting, when the pressure in filter core 12 reaches preset threshold, control chip 143 control buzzer 144 alarm, thus more aobvious It writes, prompt user in time.Accordingly, the air blower 1 with the filter mechanism 10 also has the same effect.

The structure of the other parts of air blower 1 involved by the utility model is ripe for those of ordinary skill in the art Know, is no longer described in detail herein.

It above disclosure is merely preferred embodiments of the utility model, certainly cannot be practical new to limit this with this The interest field of type, therefore equivalent variations made according to the patent scope of the utility model still belong to the utility model and are covered Range.

Claims (10)

1. a kind of filter mechanism is suitable for air blower, which is characterized in that including：

Outer housing, one end offer a mounting hole, and the other end is for installing to the impeller mechanism of air blower；

Filter core in hollow structure and is installed on the outer housing, and the hollow structure of the filter core and the mounting hole phase Connection；

Connection component comprising attachment base and the connector for being fixed on described attachment base one end, the attachment base, the connector It is contained in the filter core and is removably attachable on the outer housing respectively；

Warning component comprising differential pressure gauge, the differential pressure gauge are installed in the mounting hole, for measuring the pressure in the filter core Power is simultaneously shown.

2. filter mechanism as described in claim 1, which is characterized in that the warning component further includes being installed on the outer housing Interior circuit board and control chip, buzzer on the circuit board, the control chip respectively with the differential pressure gauge, institute Buzzer electric connection is stated, the control chip controls the buzzer warning according to the measurement result of the differential pressure gauge.

3. filter mechanism as described in claim 1, which is characterized in that the connection component further includes pressing plate, is set to described Between one end of filter core and the outer housing, and the pressing plate is detachably connected with the outer housing, the connector respectively, The attachment base is removably attachable to one end far from the pressing plate of the outer housing.

4. filter mechanism as claimed in claim 3, which is characterized in that the attachment base includes cylinder in hollow structure and sets The first fixed part, the second fixed part in the cylinder both ends, first fixed part is convexly equipped in the outer wall of the cylinder, described Second fixed part is parallel to the inner wall of the cylinder, and first fixed part is removably attachable to the separate institute of the outer housing State one end of pressing plate, the connector is fixed on second fixed part and detachably connected with the pressing plate.

5. filter mechanism as claimed in claim 3, which is characterized in that the connector includes fixing end and is vertically convexly equipped in institute State the connecting rod of fixing end, the fixing end is fixed on the attachment base, the connecting rod protrude out the attachment base it is outer and with The pressing plate is detachably connected.

6. filter mechanism as claimed in claim 3, which is characterized in that the pressing plate is including a bottom plate and is convexly equipped in the bottom plate On connecting column, the connecting column be used for and the outer housing it is detachably connected, the bottom plate be used for and the connector can Releasably connect and contradict the end of the filter core.

7. filter mechanism as described in claim 1, which is characterized in that the outer housing includes：

Bottom cover is set to one end of the filter core, and the side far from the filter core of the bottom cover is equipped with the first connecting pin, institute The first connecting pin is stated for being connected with the impeller mechanism；

End cap is set to the other end of the filter core, and the side far from the filter core of the end cap is equipped with second connection end, The mounting hole is opened in the second connection end；

The attachment base is removably attachable to the bottom cover, and the connector is removably attachable to the end cap.

8. filter mechanism as claimed in claim 7, which is characterized in that be additionally provided on the bottom cover and contradicted in step-like first Face and the second resistance surface, the bottom cover are sheathed on one end of the filter core and second resistance surface are made to contact at the filter core End face, first resistance surface is used for and the attachment base is detachably connected.

9. filter mechanism as claimed in claim 7, which is characterized in that be additionally provided on the end cap in step-like third conflict Face and the 4th resistance surface, the end cap are sheathed on the other end of the filter core and the 4th resistance surface are made to contact at the filter core End face, the third resistance surface be used for and the connector it is detachably connected.

10. a kind of air blower, which is characterized in that including fixed plate, be installed on the fixed plate side motor and impeller mechanism, It is installed on the big synchronizing wheel of the output shaft of the motor, the small synchronizing wheel for the shaft for being installed on the impeller mechanism and is set around The belt of the big synchronizing wheel, the small synchronizing wheel；

The air blower further includes such as the described in any item filter mechanisms of claim 1-9, and the filter mechanism is connected to described One end far from the fixed plate of impeller mechanism.