CN107288885A - A kind of vavuum pump with anti-foreign matter function - Google Patents
A kind of vavuum pump with anti-foreign matter function Download PDFInfo
- Publication number
- CN107288885A CN107288885A CN201710543360.XA CN201710543360A CN107288885A CN 107288885 A CN107288885 A CN 107288885A CN 201710543360 A CN201710543360 A CN 201710543360A CN 107288885 A CN107288885 A CN 107288885A
- Authority
- CN
- China
- Prior art keywords
- vavuum pump
- cavity volume
- foreign matter
- main body
- flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003584 silencer Effects 0.000 claims abstract description 26
- 230000001914 calming effect Effects 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 5
- 238000013019 agitation Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 206010008469 Chest discomfort Diseases 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
- F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The present invention relates to a kind of vavuum pump with anti-foreign matter function, in a kind of vavuum pump with anti-foreign matter function of the present invention, vavuum pump and silencer cover are arranged on flange connecting seat, due to the protection leg provided with annular around mouth of calming the anger, the top of the silencer cover is provided with the collar flange coordinated with protection leg, one is formed between collar flange and protection leg and protects cavity volume, is protected at the top of cavity volume and is communicated with mouth.So, the foreign matter such as dust in the gas on the outside of protection cavity volume is stopped by protection leg, it is not easy to entered under the agitation of air-flow in protection cavity volume, so being also just not easily accessed in vavuum pump.Thus, a kind of vavuum pump with anti-foreign matter function of the invention can prevent foreign matter from entering the inner chamber of vavuum pump, so as to improve the reliability of vacuum pump work.
Description
Technical field
It is more particularly to a kind of to be applied to automobile manufacturing field the present invention relates to a kind of vavuum pump with anti-foreign matter function
The vavuum pump with anti-foreign matter function.
Background technology
In field of automobile, the brake boost vacuum system of automobile can use vavuum pump, and this vavuum pump will
Cube is smaller, compact conformation, and part connection is reliable, is easily installed.This vavuum pump of the prior art typically uses motor
Driving, but in this vavuum pump of the prior art, motor and vavuum pump can not with other parts compatible well, motor shaft
Drive connection and attachment structure between the armature spindle of vavuum pump is more complicated, causes manufacturing cost higher, and motor with
Connection between vavuum pump is less reliable, easily breaks down.
The content of the invention
The shortcoming of prior art, has the true of anti-foreign matter function it is an object of the invention to provide a kind of in view of the above
Empty pump, can prevent foreign matter from entering the inner chamber of vavuum pump, simple in construction, cost is relatively low, and connection is reliable.
To achieve the above object, the present invention provides a kind of vavuum pump with anti-foreign matter function, adopts the following technical scheme that：
A kind of vavuum pump with anti-foreign matter function, including flange connecting seat, vavuum pump main body and silencer cover, the vavuum pump main body and
Silencer cover is arranged on flange connecting seat；Vavuum pump main body has air entry and calmed the anger mouth, be provided with the flange connecting seat with
The inlet channel of the air entry connection, the side of flange connecting seat is provided with the vacuum noz(zle) connected with inlet channel；It is described to calm the anger
Protection leg provided with annular around mouthful, the top of the silencer cover is provided with the collar flange coordinated with protection leg, ring-type
One is formed between flange and protection leg and protects cavity volume, is protected at the top of cavity volume and is communicated with mouth.
Preferably, the vavuum pump main body includes the pump seat with rotor cavity volume, and the rotor of vavuum pump main body is located at rotor
In cavity volume, the both sides of rotor cavity volume are covered by the first connecting plate and the second connecting plate respectively；The air entry is located at the first connection
On plate, the mouth of calming the anger is on the second connecting plate, and the protection leg is arranged on the second connecting plate.
Preferably, the protection leg is structure as a whole with the second connecting plate.
Preferably, motor is also equipped with the flange connecting seat, the rotor of vavuum pump main body has centre bore, motor
Rotating shaft is connected in the centre bore.
Preferably, sealing ring is provided between silencer cover and the flange connecting seat.
Preferably, the vavuum pump main body main body is vane-type vacuum pump.
Preferably, a noise reduction cavity volume is formed between silencer cover and the flange connecting seat, the vavuum pump main body, which is located at, to disappear
In likeness of the deceased chamber, the connected entrance will protect cavity volume to be connected with noise reduction cavity volume；Exhaust nozzle is also associated with the flange connecting seat, is arranged
Valve is connected with noise reduction cavity volume.
Preferably, the flange connecting seat is provided with connecting hole, and the one of connecting hole is connected with noise reduction cavity volume, the other end and row
Valve is connected, and one-way vent valve is provided with connecting hole.
As described above, a kind of vavuum pump with anti-foreign matter function of the present invention, has the advantages that：At this
In a kind of vavuum pump with anti-foreign matter function of invention, vavuum pump main body and silencer cover are arranged on flange connecting seat, due to
Protection leg provided with annular around mouth of calming the anger, the top of the silencer cover is provided with protecting the ring-type of leg cooperation convex
Edge, forms one between collar flange and protection leg and protects cavity volume, protect at the top of cavity volume and be communicated with mouth.So, protection is held
The foreign matters such as the dust in gas on the outside of chamber are stopped by protection leg, it is not easy to protection cavity volume is entered under the agitation of air-flow
In, so being also just not easily accessed in the inner chamber of vavuum pump main body.Thus, it is of the invention a kind of true with anti-foreign matter function
Empty pump can prevent foreign matter from entering the inner chamber of vavuum pump main body, so as to improve the reliability of vacuum pump work.
Brief description of the drawings
Fig. 1 is shown as a kind of front view of vavuum pump with anti-foreign matter function of the present invention, flange connecting seat, vavuum pump
And silencer cover cut-away section is shown；
Fig. 2 is shown as a kind of stereogram of vavuum pump with anti-foreign matter function of the present invention, and silencer cover is removed.
Fig. 3 is shown as the top view of vavuum pump main body, and the second connection cover is removed.
Fig. 4 is shown as the stereogram of connector.
Fig. 5 is shown as the stereogram of rotor.
Component label instructions
The air entry of 1 motor 18
2 rotating shafts 19 are calmed the anger mouth
The inlet channel of 3 flange connecting seat 20
The vacuum noz(zle) of 4 first joint face 21
5 second joint faces 22 protect leg
The silencer cover of 6 vavuum pump main body 23
The noise reduction cavity volume of 7 rotor 24
The valve seat orifice of 8 centre bore 25
The exhaust nozzle of 9 positioning hole 26
The sealing ring of 10 connector 27
The one-way vent valve of 11 connecting pole 28
The chute of 12 locating dowel 29
The sliding block of 13 connecting hole 30
The connected entrance of 14 rotor cavity volume 31
The collar flange of 15 pump seat 32
16 first connecting plates 33 protect cavity volume
17 second connecting plates
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only to coordinate specification to be taken off
The content shown, so that those skilled in the art is understood with reading, is not limited to enforceable qualifications of the invention, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influenceing the present invention
Under the effect that can be generated and the purpose that can reach, it all should still fall and obtain the model that can cover in disclosed technology contents
In enclosing.Meanwhile, the term of cited such as " on ", " under " in this specification, "left", "right", " centre " and " one " is also only
It is easy to understanding for narration, and is not used to limit enforceable scope of the invention, its relativeness is altered or modified, without essence
Change under technology contents, when being also considered as enforceable category of the invention.
As depicted in figs. 1 and 2, a kind of vavuum pump with anti-foreign matter function of present invention offer, including flange connecting seat 3,
Vavuum pump main body 6 and silencer cover 23, the vavuum pump main body 6 and silencer cover 23 are arranged on flange connecting seat 3；Vavuum pump main body
6 have air entry 18 and mouth 19 of calming the anger, provided with the inlet channel 20 connected with the air entry 18 in the flange connecting seat 3,
The side of flange connecting seat 3 is provided with the vacuum noz(zle) 21 connected with inlet channel 20；Provided with annular around the mouth 19 of calming the anger
Protection leg 22, the top of the silencer cover 23 is provided with the collar flange 32 coordinated with protection leg 22, and collar flange 32 is with preventing
One is formed between pad wall 22 and protects cavity volume 33, the top of protection cavity volume 33 is communicated with mouth 31.Due in the week for calming the anger mouth 19
The protection leg 22 provided with annular is enclosed, the top of the silencer cover 23 is provided with the collar flange 32 coordinated with protection leg 22, ring
One is formed between shape flange 32 and protection leg 22 and protects cavity volume 33, the top of protection cavity volume 33 is communicated with mouth 31.So, prevent
The foreign matters such as the dust in the gas in the outside of shield cavity volume 33 are stopped by protection leg 22, it is not easy to entered under the agitation of air-flow
Protect in cavity volume 33, so being also just not easily accessed in the inner chamber of vavuum pump main body 6.Thus, one kind of the invention has anti-
The vavuum pump of foreign matter function can prevent that foreign matter from entering the inner chamber of vavuum pump main body 6, so as to improve the work of vavuum pump main body 6
Reliability.
In the present invention provides a kind of vavuum pump with anti-foreign matter function, as shown in Figure 1 to Figure 2, the flange connection
Motor 1 is also equipped with seat 3, the rotor 7 of vavuum pump main body 6 has centre bore 8, and the rotating shaft 2 of motor 1 is connected to the centre bore
In 8；The housing of the motor 1 is arranged on the first joint face 4 of flange connecting seat 3, and the housing of vavuum pump main body 6 is arranged on method
On second joint face 5 of blue connecting seat 3；The rotating shaft 2 of motor 1 through flange connecting seat 3 and with the rotor 7 of vavuum pump main body 6
Centre bore 8 is connected, and the side of centre bore 8 is provided with positioning hole 9, and the rotating shaft 2 of motor 1 is provided with connector 10, and connector 10 includes
The connecting pole 11 being coaxially disposed with rotating shaft 2 and the locating dowel 12 located at the side of connecting pole 11, the connecting pole 11 are matched somebody with somebody with centre bore 8
Close, the locating dowel 12 coordinates with positioning hole 9.In a kind of vavuum pump with anti-foreign matter function of the present invention, vavuum pump master
Body 6 and motor 1 are separately mounted to the both sides of flange connecting seat 3, the rotating shaft 2 of motor 1 through flange connecting seat 3 and with vavuum pump master
The rotor 7 of body 6 is connected, and motor 1 shares a rotating shaft 2 with vavuum pump main body 6, and attachment structure is simple and reliable.Thus, this hair
In a kind of bright vavuum pump with anti-foreign matter function, motor 1 shares a rotating shaft 2 with vavuum pump main body 6, and connector 10 can
Rotating shaft 2 is reliably connected with the rotor 7 of vavuum pump main body 6, simple in construction, cost is relatively low, connection is reliable.
In a kind of vavuum pump with anti-foreign matter function of the present invention, the rotating shaft 2 of motor 1 is used as vavuum pump main body simultaneously
The rotating shaft 2 of 6 rotor 7, so the part that a kind of vavuum pump with anti-foreign matter function of the present invention is used is less, assembly work
Amount is also less；Moreover, the pivot between vavuum pump main body 6 and motor 1 is identical, rotor 7 and the motor 1 of vavuum pump main body 6
Rotating shaft 2 between axiality preferably, when motor 1 rotates at a high speed, be difficult because pivot is not coaxial and produces vibration.Motor
Connected between 1 rotating shaft 2 and the rotor 7 of vavuum pump main body 6 by connector 10, as a preferred mode, such as Fig. 3 and figure
Shown in 4, the connector 10 is provided with connecting hole 13, and connecting hole 13 is located at the center of the connecting pole 11, the rotating shaft 2 of motor 1
It is interference fitted with the connecting hole 13, just can so ensures that the rotating shaft 2 of motor 1 is securely fixed with the rotor 7 of vavuum pump main body 6
And it is coaxial；And the locating dowel 12 on connector 10 coordinates with the positioning hole 9 on rotor 7, locating dowel 12 can prevent connecting pole 11
The centre bore 8 of relative rotor 7 is rotated.Certainly, it can also be used between the rotating shaft 2 of motor 1 and the rotor 7 of vavuum pump main body 6
His connected mode, such as by the way of being connected using type face, can be made the centre bore of the rotor 7 of vavuum pump main body 6
Into polygonal type face connecting hole, and the end of the rotating shaft 2 of motor 1 is fabricated to the centre bore with the rotor 7 of vavuum pump main body 6
The polygon type face connector being engaged, type face connector is interference fitted with type face connecting hole；This connected mode is easily assembled,
And accurate positioning, connection is reliably.
As a preferred mode, as depicted in figs. 1 and 2, the vavuum pump main body 6 is included with rotor cavity volume 14
Pump seat 15, the rotor 7 of vavuum pump main body 6 is located in rotor cavity volume 14, and the both sides of rotor cavity volume 14 are respectively by the first connecting plate 16
Covered with the second connecting plate 17；As shown in Figure 1 to Figure 3, the air entry 18 is on the first connecting plate 16, the mouth 19 of calming the anger
On the second connecting plate 17, the protection leg 22 is arranged on the second connecting plate 17.First connecting plate 16 is connected to
On second joint face 5, the rotating shaft 2 of motor 1 passes through first connecting plate 16, the rotating shaft 2 of the first connecting plate 16 and motor 1
Between be provided with axle sealing structure.In assembling, the first connecting plate 16 can be first arranged on to the second joint face of flange connecting seat 3
On 5, the rotating shaft 2 of motor 1 passes through the first connecting plate 16, and sealing knot is installed between the rotating shaft 2 of motor 1 and the first connecting plate 16
Connector 10, is then arranged in the rotating shaft 2 of motor 1, and the rotor 7 of vavuum pump main body 6 is connected with connector 10 by structure again；Most
Pump seat 15 is arranged on the first connecting plate 16 afterwards, and second connecting plate 17 is installed in the upper end of pump seat 15.Vavuum pump main body 6 will
Gas is sucked into the low pressure chamber of vavuum pump main body 6 from air entry 18, and vavuum pump main body 6 is by gas compression to high pressure chest and through calming the anger
Mouth 19 is discharged.In a kind of vavuum pump with silencing function of the present invention, the vavuum pump main body 6 is to extract gas and make
Vacuum is made, vavuum pump main body 6 can be used as using vavuum pump of the prior art, it is preferable that the vavuum pump main body 6 is blade
Formula vavuum pump, as shown in Figure 3 and Figure 5, the rotor 7 of vavuum pump main body 6 have multiple chutes 29 being distributed around its center axis, sliding
Sliding block 30 is provided with groove 29, the two sides of sliding block 30 are concordant with the two sides of rotor 7, the first connecting plate 16 and the second connecting plate 17
The two sides with rotor 7 are tightly connected respectively, when the rotor 7 of vavuum pump main body 6 rotates, and the sliding block 30 in chute 29 is in centrifugation
Slide and contacted with the cylindrical sidewalls of rotor cavity volume 14 along chute 29 in the presence of power, formed between two adjacent sliding blocks 30
One closing cavity volume, the volume of the cavity volume changes with the rotation of rotor 7, when cavity volume volume is larger, cavity volume rotate to
The position that air entry 18 is connected, when cavity volume volume is smaller, cavity volume is rotated to the position connected with mouth 19 of calming the anger.
As shown in figure 1, provided with the inlet channel 20 connected with the air entry 18 in the flange connecting seat 3, flange connects
The side of joint chair 3 is provided with the vacuum noz(zle) 21 connected with inlet channel 20.So, vacuum noz(zle) 21 can directly connect with peripheral conduits
Connect, vacuum noz(zle) 21 can be with the integrally casting of flange connecting seat 3.As shown in figure 1, the present invention's is a kind of true with anti-foreign matter function
Empty pump also includes silencer cover 23, and the silencer cover 23 is arranged on the second joint face 5, the silencer cover 23 and flange connecting seat 3
Between form a noise reduction cavity volume 24, the vavuum pump main body 6 is located in noise reduction cavity volume 24, and the connected entrance 31 will protect cavity volume 33
Connected with noise reduction cavity volume 24；Exhaust nozzle 26 is also associated with the flange connecting seat 3, exhaust nozzle 26 is connected with noise reduction cavity volume 24.
Silencer cover 23 can reduce the noise produced by the high pressure draught of the outflow of mouth 19 of calming the anger of vavuum pump main body 6；The flange connection
Seat 3 is provided with valve seat orifice 25, and the one of valve seat orifice 25 is connected with noise reduction cavity volume 24, and the other end is connected with exhaust nozzle 26, valve seat orifice 25
In be provided with towards the side one-way conduction one-way vent valve 28 of exhaust nozzle 26；So, foreign matter is not easy from exhaust nozzle 26 by unidirectionally leading to
Air valve 28 is entered in noise reduction cavity volume 24.Exhaust nozzle 26 can be directly connected to peripheral conduits, can be by exhaust nozzle 26 and flange
The integrally casting of connecting seat 3.The gas of the discharge of mouth 19 of calming the anger of vavuum pump main body 6 is entered in noise reduction cavity volume 24, in noise reduction cavity volume
Need to be sealed between 24 and flange connecting seat 3, as shown in Fig. 2 provided with close between the joint face 5 of the silencer cover 23 and second
Seal 27.
As depicted in figs. 1 and 2, connected entrance 31 is arranged on the side of collar flange 32, and the mouth 19 of calming the anger of vavuum pump main body 6 flows
The gas gone out flow to connecting hole 13 through connected entrance 31 and discharged through exhaust nozzle 26, and connected entrance 31 is positioned close in collar flange 32
The tip position of the cavity volume formed with protection leg 22, so, has in the noise reduction cavity volume 24 in the outside of protection leg 22
Foreign matter, foreign matter is also not easily accessed in the cavity volume that collar flange 32 is formed with protection leg 22.For the ease of processing and filling
Match somebody with somebody, the protection leg 22 is structure as a whole with the second connecting plate 17.
A kind of technical scheme based on above-described embodiment, vavuum pump with anti-foreign matter function of the invention can prevent different
Thing enters the inner chamber of vavuum pump main body 6, so as to improve the reliability of the work of vavuum pump main body 6.
In summary, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (8)
1. a kind of vavuum pump with anti-foreign matter function, including flange connecting seat, vavuum pump main body (6) and silencer cover (23), institute
State vavuum pump main body (6) and silencer cover (23) is arranged on flange connecting seat (3)；Vavuum pump main body (6) has air entry (18)
With mouth of calming the anger (19), provided with the inlet channel (20) connect with the air entry (18) in the flange connecting seat (3), flange company
The side of joint chair (3) is provided with the vacuum noz(zle) (21) connected with inlet channel (20)；Provided with annular around the mouth of calming the anger (19)
Protection leg (22), the top of the silencer cover (23) is provided with the collar flange (32) coordinated with protection leg (22), ring-type
One is formed between flange (32) and protection leg (22) and protects cavity volume (33), protects at the top of cavity volume (33) and is communicated with mouth
(31)。
2. there is the vavuum pump of anti-foreign matter function as claimed in claim 1, it is characterized in that：The vavuum pump main body (6) includes
Pump seat (15) with rotor cavity volume (14), the rotor (7) of vavuum pump main body (6) is located in rotor cavity volume (14), rotor cavity volume
(14) both sides are covered by the first connecting plate (16) and the second connecting plate (17) respectively；The air entry (18) is located at the first connection
On plate (16), the mouth of calming the anger (19) is on the second connecting plate (17), and the protection leg (22) is arranged on the second connecting plate
(17) on.
3. there is the vavuum pump of anti-foreign matter function as claimed in claim 1, it is characterized in that：The protection leg (22) and second
Connecting plate (17) is structure as a whole.
4. there is the vavuum pump of anti-foreign matter function as claimed in claim 1, it is characterized in that：On the flange connecting seat (3) also
Motor (1) is installed, the rotor (7) of vavuum pump main body (6) has a centre bore (8), the rotating shaft (2) of motor (1) is connected to described
In centre bore (8).
5. there is the vavuum pump of anti-foreign matter function as claimed in claim 1, it is characterized in that：The silencer cover (23) connects with flange
Sealing ring (27) is provided between joint chair (3).
6. there is the vavuum pump of anti-foreign matter function as claimed in claim 1, it is characterized in that：The vavuum pump main body (6) is leaf
Chip vavuum pump.
7. there is the vavuum pump of anti-foreign matter function as claimed in claim 1, it is characterized in that：The silencer cover (23) connects with flange
A noise reduction cavity volume (24) is formed between joint chair (3), the vavuum pump main body (6) is located in noise reduction cavity volume (24), the connected entrance
(31) protection cavity volume (33) is connected with noise reduction cavity volume (24)；Exhaust nozzle (26) is also associated with the flange connecting seat (3), is arranged
Valve (26) is connected with noise reduction cavity volume (24).
8. there is the vavuum pump of anti-foreign matter function as claimed in claim 7, it is characterized in that：Set on the flange connecting seat (3)
There is valve seat orifice (25), the one of valve seat orifice (25) is connected with noise reduction cavity volume (24), and the other end is connected with exhaust nozzle (26), valve seat orifice
(25) one-way vent valve (28) is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710543360.XA CN107288885A (en) | 2017-07-05 | 2017-07-05 | A kind of vavuum pump with anti-foreign matter function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710543360.XA CN107288885A (en) | 2017-07-05 | 2017-07-05 | A kind of vavuum pump with anti-foreign matter function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107288885A true CN107288885A (en) | 2017-10-24 |
Family
ID=60100235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710543360.XA Pending CN107288885A (en) | 2017-07-05 | 2017-07-05 | A kind of vavuum pump with anti-foreign matter function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107288885A (en) |
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| CN201292943Y (en) * | 2008-10-31 | 2009-08-19 | 比亚迪股份有限公司 | Vacuum pump |
| CN105019984A (en) * | 2015-08-17 | 2015-11-04 | 天津市神驰汽车零部件有限公司 | Automobile muffler |
| CN206035815U (en) * | 2016-08-30 | 2017-03-22 | 杭州斯柯特机电有限公司 | Electric vacuum pump |
| CN207004823U (en) * | 2017-07-05 | 2018-02-13 | 上海幸福摩托车有限公司 | A kind of vavuum pump with anti-foreign matter function |
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2017
- 2017-07-05 CN CN201710543360.XA patent/CN107288885A/en active Pending
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190327 Address after: Building No. 18, 998 Tongji Road, Baoshan District, Shanghai, 20199 Applicant after: Huayu Pilberg Pump Technology Co., Ltd. Address before: 1999 No. 998 Tongji Road, Baoshan District, Shanghai Applicant before: Shanghai Xingfu Motorcycle Co., Ltd. |
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Application publication date: 20171024 |
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