CN209228584U - Elastic balloon and circulating type vacuum pump - Google Patents
Elastic balloon and circulating type vacuum pump Download PDFInfo
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- CN209228584U CN209228584U CN201822222713.9U CN201822222713U CN209228584U CN 209228584 U CN209228584 U CN 209228584U CN 201822222713 U CN201822222713 U CN 201822222713U CN 209228584 U CN209228584 U CN 209228584U
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- elastic balloon
- shell
- elastic
- vacuum pump
- type vacuum
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Abstract
The utility model provides elastic balloon and circulating type vacuum pump.Elastic balloon includes set portion interconnected and mounting portion, and set portion is one side opening and section is the body of bar shaped, and mounting portion is set to the outside in set portion, and elastic balloon carries out installation fixation by mounting portion.Circulating type vacuum pump includes shell, actuator, extrusion and elastic balloon；It multiple elastic balloon annular spreads and is set between shell and extrusion, shell is equipped with the inlet channel and exhaust passage that are connected to set portion；When actuator drives extrusion movement, extrusion being capable of crimping section elastic balloon and remaining elastic balloon of release.Elastic balloon and circulating type vacuum pump use section for the elastic balloon of bar shaped, the elastic balloon of bar shaped can occupy and fill as far as possible the axial length space of shell while the circumferential width of shell is certain, strip shaped air sac has bigger discharge capacity, enable to the volume of circulating type vacuum pump smaller, discharge capacity is bigger.
Description
Technical field
The utility model relates to air pump fields, in particular to elastic balloon and circulating type vacuum pump.
Background technique
With the development of economy, social progress, energy conservation have become certainty and social consensus.Various electric appliances are more next
More towards save the energy, direction easy to use, saving the features such as space, safe and efficient, one-machine-multi-function is developed.Vacuum pump conduct
Important a member is no exception in people's living electric apparatus.
Common vacuum pump butterfly type of push and pull up down, volume is big, sucking output pressure flow is small.Existing butterfly pushes and pulls up and down
It needs to increase air mass flow and just needs to increase volume, increased costs, weight increases, and energy consumption is got higher, and greatly limits vacuum pump
Use.
Utility model content
In view of this, it is tighter to provide a kind of volume the purpose of this utility model is to overcome deficiency in the prior art
It gathers, the elastic balloon that discharge capacity is bigger and circulating type vacuum pump.
The utility model provides following first technical solution:
Elastic balloon, including set portion interconnected and mounting portion, the set portion is one side opening and section is bar shaped
Body, the mounting portion are set to the outside in the set portion, and the elastic balloon carries out installation fixation by the mounting portion.
As the further alternative scheme to above-mentioned elastic balloon, the elastic balloon is equipped with the gas for connection
The first through hole of stream and the second through-hole.
As the further alternative scheme to above-mentioned elastic balloon, the first through hole and/or second through-hole
It is equipped with elastic slice.
As the further alternative scheme to above-mentioned elastic balloon, the opening face phase of the mounting portion and the set portion
It is flat.
As the further alternative scheme to above-mentioned elastic balloon, the section in the set portion is kidney-shaped or ellipse.
As the further alternative scheme to above-mentioned elastic balloon, the elastic balloon further includes being set to the set portion
On interconnecting piece.
The utility model provides following second technical solution:
Circulating type vacuum pump, including shell, actuator, extrusion and above-mentioned elastic balloon；
The elastic balloon is fixed on the inside of the shell by the mounting portion；
It multiple elastic balloon annular spreads and is set between the shell and the extrusion, each elastic gas
The opening in the set portion of capsule is arranged towards the shell, and the shell is equipped with the inlet channel being connected to the set portion and row
Gas channel；
When the actuator drives extrusion movement, the extrusion elastic balloon described in crimping section and can be released
Put remaining described elastic balloon.
As the further alternative scheme to above-mentioned circulating type vacuum pump, the shell is in regular prism shape, it is described just
Each medial surface of prism is equipped with an elastic balloon.
As the further alternative scheme to above-mentioned circulating type vacuum pump, the shell includes frame and mounting plate,
The frame is equipped with the hollow-out parts for allowing the set portion to pass through, the mounting portion be located in the mounting plate and the frame it
Between, elastic cavity is enclosed out between the set portion and the mounting plate；
The mounting plate face opposite with the set portion be equipped with air inlet groove and exhaust groove, the frame be equipped with
Air inlet that the air inlet groove is connected and equipped with the gas vent being connected with the exhaust groove, the air inlet groove with
The air inlet forms the inlet channel, and the exhaust groove and the gas vent form the exhaust passage.
As the further alternative scheme to above-mentioned circulating type vacuum pump, the elastic balloon is rotatably connected to
On the extrusion.
The elastic balloon and circulating type vacuum pump of the utility model at least have the advantages that
Elastic balloon and circulating type vacuum pump use section for the elastic balloon of bar shaped, and the elastic balloon of bar shaped can be outside
The axial length space of shell is occupied and filled as far as possible while the circumferential width of shell is certain, and strip shaped air sac has bigger
Discharge capacity enables to the volume of circulating type vacuum pump smaller, and discharge capacity is bigger.
For enable the above objects, features, and advantages of the utility model become apparent from it is understandable, preferred embodiment is cited below particularly,
And cooperate appended attached drawing, it is described below in detail.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 shows the overall structure main view of circulating type vacuum pump provided by the embodiment of the utility model；
Fig. 2 shows the schematic diagram of the section structure of Fig. 1；
Gas flow schematic diagram when Fig. 3 shows circulating type vacuum pump work provided by the embodiment of the utility model；
Fig. 4 shows the decomposition texture schematic diagram of circulating type vacuum pump provided by the embodiment of the utility model；
Fig. 5 shows the first axonometric drawing of overall structure of circulating type vacuum pump provided by the embodiment of the utility model；
Fig. 6 shows the second axonometric drawing of overall structure of circulating type vacuum pump provided by the embodiment of the utility model；
Fig. 7 shows the elastic balloon of circulating type vacuum pump provided by the embodiment of the utility model and the vertical view knot of extrusion
Structure schematic diagram；
Fig. 8 shows the elastic balloon of circulating type vacuum pump provided by the embodiment of the utility model and extrusion looks up knot
Structure schematic diagram.
Icon: 1- shell；11- frame；111- hollow-out parts；112- air inlet；113- gas vent；12- mounting plate；121- into
Gas groove；122- exhaust groove；2- elastic balloon；20- elastic cavity；21- set portion；22- mounting portion；221- first through hole；
The second through-hole of 222-；23- interconnecting piece；3- actuator；30- driving member；4- extrusion；40- slot；41- sleeve；5- air intake；
51- air inlet interconnecting piece；6- exhaust part；61- is vented interconnecting piece；7- breather check valve；8- exhaust check valve；80- elastomeric pad.
Specific embodiment
The application in order to facilitate understanding carries out elastic balloon and circulating type vacuum pump below with reference to relevant drawings more complete
The description in face.The preferred embodiment of elastic balloon and circulating type vacuum pump is given in attached drawing.But elastic balloon and circulating type
Vacuum pump can be realized by many different forms, however it is not limited to embodiment described herein.On the contrary, providing these
The purpose of embodiment is to keep the disclosure to elastic balloon and circulating type vacuum pump more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are
For illustrative purposes.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.Herein in the art used in the description of elastic balloon and circulating type vacuum pump
Language, which is only for the purpose of describing specific embodiments, is not intended to limit the utility model.Term as used herein " and/
Or " it include any and all combinations of one or more related listed items.
Embodiment 1
Also referring to Fig. 1 to Fig. 4, the present embodiment provides a kind of circulating type vacuum pumps, with circular intake and exhaust side
Formula realizes the small size huge discharge of vacuum pump, it includes shell 1, elastic balloon 2, actuator 3 and extrusion 4.
Shell 1 is in shelly-shaped, is the main body of circulating type vacuum pump, for installing and carrying other portions of circulating type vacuum pump
Part, and corresponding air flue is formed on shell 1 to improve the function of circulating type vacuum pump.
Elastic balloon 2 is in shell-like, has elasticity, is that component is agitated in the air-flow flowing of circulating type vacuum pump.Multiple elasticity gas
Capsule 2 is distributed in a ring on shell 1, and elastic cavity 20 is enclosed between each elastic component and shell 1, is corresponded on shell 1 every
The position of one elastic cavity 20 is equipped with inlet channel and exhaust passage.
Multiple elastic balloons 2 are distributed in a ring and are set between shell 1 and extrusion 4, each elastic balloon 2 and shell 1
Between be enclosed the position of the corresponding each elastic cavity 20 of elastic cavity 20 and shell 1 and be equipped with inlet channel and exhaust passage,
It by inlet channel air inlet, is vented by exhaust passage, gas is flowed to realize by changing the volume of elastic cavity 20
Driving so that gas from inlet channel flow into, from exhaust passage be discharged.
Actuator 3 is the power part of circulating type vacuum pump, and extrusion 4 is the transmission parts of circulating type vacuum pump, elasticity
Air bag 2 is the executive item of circulating type vacuum pump.Actuator 3 can drive 4 eccentric rotary of extrusion, and extrusion 4 is in eccentric rotary
When, circumferential height of projection is different, has different extruding degree to its circumferential elastic balloon 2 is set to.Extrusion 4 is rotating
When at least one elastic balloon 2 that can link reduce its corresponding 20 volume of elastic cavity and at least one bullet that can link
Property air bag 2 increase its corresponding 20 volume of elastic cavity.
It is appreciated that the air in the elastic cavity 20 is outside from exhaust passage when the volume of elastic cavity 20 reduces
Exhaust is realized in flowing；When the volume of elastic cavity 20 increases, extraneous gas flows to the elastic cavity 20 from inlet channel
In, realize air-breathing.
In the present embodiment, for extrusion 4 in eccentric rotary, the elastic balloon 2 for squeezing a part subtracts its elastic cavity 20
It is small to be exhausted, while discharging remaining elastic balloon 2 makes the increase of its elastic cavity 20 carry out air-breathing, further, while by
Quantity to the elastic balloon 2 squeezed and released can be equal.
When actuator 3 drives 4 continuous eccentric rotary of extrusion, the same elastic gas that extrusion 4 is circumferential can be driven
Reciprocal flexible deformation occurs for capsule 2, that is, discharges after squeezing, squeeze after release, and so on, can drive circumferential all bullets
Property air bag 2 be squeezed in synchronization a part, remaining release.
Also referring to Fig. 5 to Fig. 6, circulating type vacuum pump further includes the air intake 5 and exhaust part 6 set on 1 both ends of shell,
Inlet channel is communicated with the atmosphere by air intake 5, and exhaust passage is communicated with the atmosphere by exhaust part 6.Circulating type vacuum pump passes through
5 air inlet of air intake, is vented by exhaust part 6, and circulating type vacuum pump at work, can be realized continuous air-breathing and inflate, be
One kind inflates air-breathing integrated pump.
Air intake 5 is equipped with air inlet interconnecting piece 51, by air inlet interconnecting piece 51 and by the members of air-breathing, to air intake
Connection has the end cap of air entry on 5.In the present embodiment, end cap is threadedly coupled with air intake 5, to realize multiple air inlets
112 concentrate on an air entry carrying out the stable air-breathing of single hole, and air entry can be the round tube on end cap, can be formed with tracheae
Plug-in connection, is connected on the component by air-breathing by tracheae.
Exhaust part 6 is equipped with exhaust interconnecting piece 61, passes through exhaust interconnecting piece 61 and members to be inflated, exhaust part 6
Itself can be connected on shell 1 with the end cap of mouth is inflated, beaten to realize multiple gas vents 113 concentrating on one
It carries out single hole stabilization on port to inflate, mouth of inflating can be the round tube on end cap, can form plug-in with tracheae and connect, pass through
Tracheae is connected on the component inflated.
In the present embodiment, shell 1 is the cylindrical body of one side opening, and air intake 5 is set on the opening face of shell 1, passes through spiral shell
Silk is connected on the opening face of shell 1, and the air inlet of air intake 5 is connected to the inside of shell 1, and shell 1 is equipped with and elasticity
The inlet channel that cavity 20 is connected to, so that air intake 5 is connected to elastic cavity 20.
The bottom surface of shell 1 is equipped with multiple exhaust passages being connected to the elastic cavity 20 of elastic balloon 2, and exhaust part 6 is logical
Screw connection is crossed in the bottom surface of shell 1, multiple exhaust passages are concentrated to air draft after being connected to.
Actuator 3 is set to the outside of shell 1, and the line shaft of actuator 3 extends to the inside of shell 1, and actuator 3 can be set
In 5 side of air intake or it is set to 6 side of exhaust part.In the present embodiment, actuator 3 is set to 6 side of exhaust part, and exhaust part 6 is in band
Reeded cover shape, the exhaust outlet on exhaust part 6 is with respect to 6 eccentric setting of exhaust part.
Shell 1 includes frame 11 and mounting plate 12, and elastic balloon 2 includes set portion 21 interconnected and mounting portion 22, frame
Frame 11 is equipped with the hollow-out parts 111 for allowing set portion 21 to pass through, and mounting portion 22 is located between mounting plate 12 and frame 11, set portion 21
Elastic cavity 20 is enclosed out between mounting plate 12.
Mounting portion 22 is located between mounting plate 12 and frame 11, by mounting plate 12, mounting portion 22 and frame 11 it
Between screw, thus by mounting plate 12 it is fixed on the frame 11 while elastic balloon 2 is fixed on shell 1.Set portion 21 is certainly
It is extended to after being pierced by hollow-out parts 111 in frame 11, hollow-out parts 111 and the cross sectional shape size in set portion 21 match.
Elastic balloon 2 can be integrally formed, and together with 22 straight forming of mounting portion, set portion 21 opens for one end in set portion 21
The opening of the body of mouth, set portion 21 is arranged facing towards mounting plate 12, so that can enclose between set portion 21 and mounting plate 12
Elastic cavity 20 out.
Further, shell 1 is cylinder, and set portion 21 is one side opening and section is the body of bar shaped, the bar shaped in set portion 21
Extend it is identical as the cylindricality extending direction of shell 1 so that elastic balloon 2 can annular spread in shell 1, between each other
Structure it is more compact.The set portion 21 of bar shaped can occupy and fill as far as possible while the circumferential width of shell 1 is certain
The axial length space of shell 1, is circular elastic balloon 2 compared to section, and strip shaped air sac has bigger discharge capacity, can make
The volume for obtaining circulating type vacuum pump is smaller, and discharge capacity is bigger.
In the present embodiment, the section in set portion 21 is kidney-shaped or ellipse, and the set portion 21 with kidney-shaped or elliptic cross-section has
There is more mellow and full structure, there is better mechanical structure, can be effectively prevented when set portion 21 is squeezed and deformed, set portion
21 sharp edge is damaged because being squeezed and deformed the stress generated concentration.
Mounting portion 22 is set on the endless member in the opening face in set portion 21, and mounting portion 22 is equal with the opening face in set portion 21,
When by being clipped on mounting portion 22 between mounting plate 12 and frame 11, so that being engaged between set portion 21 and mounting plate 12, it is
To be formed between set portion 21 and mounting plate 12 and preferably be bonded, can be arranged on mounting portion 22 and set portion 21 is open matching
The collar flange of conjunction, and the annular flange on the through-hole of mounting portion 22, thus to elastic cavity 20 and inlet channel and
Air-flow on exhaust passage forms good sealing effect.
Elastic balloon 2 can be made of rubber or other flexible materials, have the soft easily-deformable characteristic of matter.As general
When mounting portion 22 is located between mounting plate 12 and frame 11, flexible deformation occurs for mounting portion 22, has supervened an elasticity
Restoring force, the flexible deformation of mounting portion 22 make it by the gap filling between mounting plate 12 and frame 11 and swelling.It is playing
While connecting the effect of elastic balloon 2, and play the sealing effect between elastic balloon 2 and mounting plate 12.
Further, shell 1 is regular prism, and every one side of regular prism is equipped with an elastic balloon 2, and mounting portion 22 is in
It is planar.So that elastic balloon 2 circumferential direction can be uniformly distributed in shell 1, and formed between mounting portion 22 and shell 1
Plane fitting, has better seal connection effect.
In the present embodiment, shell 1 is regular hexagonal prism, is respectively provided with an elastic balloon 2 on six sides of regular hexagonal prism, answers
Guarantee that the thickness of elastic balloon 2 is moderate, does not cause to interfere between adjacent elastic balloon 2.
The face opposite with set portion 21 of mounting plate 12 be equipped with air inlet groove 121 and exhaust groove 122, frame 11 be equipped with
Air inlet 112 that air inlet groove 121 is connected and equipped with the gas vent 113 being connected with exhaust groove 122, air inlet groove
121 form inlet channel with air inlet 112, and exhaust groove 122 and gas vent 113 form exhaust passage.
The pad of mounting portion 22 is set between mounting plate 12 and frame 11, therefore, on mounting portion 22 is accordingly equipped with air inlet is recessed
The first through hole 221 that slot 121 is connected to air inlet 112, the second through-hole 222 that exhaust groove 122 is connected to gas vent 113.
Air inlet groove 121 is annular groove, is further oval ring groove, and exhaust groove 122 is annular groove, into one
Step is oval ring groove, and structure is more mellow and full, and during water conservancy diversion, the sharp edge configuration that can be avoided air-flow and groove occurs
Wind caused by rubbing is made an uproar, and reduces the work noise of circulating type vacuum pump as much as possible.
A corresponding elastic balloon 2 is equipped at least one air inlet 112 and at least one gas vent 113 on frame 11, this
An air inlet 112 and a gas vent 113 in embodiment, in 2 associated frame members 11 of elastic balloon.Air inlet 112 is
Elastic cavity 20 is directly connected to by the through-hole on the prismatic surface of frame 11 with the inner cavity of shell 1, and then is connected with air intake 5
It is logical.Gas vent 113 is the L-type hole on frame 11, squeezes into and does not punch from the prismatic surface of frame 11, from the end of frame 11
Face is squeezed into mutually to be passed through with the hole of prismatic surface, is discharged after being entirely vented by exhaust part 6 for single hole.
Circulating type vacuum pump further includes the breather check valve 7 on inlet channel and the exhaust list on exhaust passage
To valve 8, breather check valve 7 allows air-flow to flow into elastic cavity 20 from inlet channel, and exhaust check valve 8 allows air-flow from bullet
Property cavity 20 pass through exhaust passage flow out.
Can guarantee air-flow only by setting breather check valve 7 can flow in elastic cavity 20 from inlet channel, without
It can be flowed out in own elasticity cavity 20, can guarantee that the air-flow in elastic cavity 20 only can be from row by the way that exhaust check valve 8 is arranged
Gas flows out in channel, and cannot flow into from exhaust passage.So that the elastic cavity 20 of elastic balloon 2 is being squeezed and deformed
With can have stable inlet channel and exhaust passage when elastic recovery.
Breather check valve 7 and exhaust check valve 8 can be set on mounting portion 22.Specifically, breather check valve 7 be set on
Elastic slice in first through hole 221 is set to elastic slice in first through hole 221 under normality for the company of air inlet groove 121 and air inlet 112
Logical barrier, the elastic slice in first through hole 221 can unidirectionally be deformed from air inlet 112 to air inlet groove 121, so as to
It is unidirectionally opened on airintake direction, it is reversed to separate；Exhaust check valve 8 is elastic slice on the second through-hole 222, and the is set under normality
Elastic slice on two through-holes 222 is connected to barrier for exhaust groove 122 and gas vent 113, the elastic slice energy on the second through-hole 222
Enough deformations unidirectional from gas vent 113 to exhaust groove 122, it is reversed to separate so as to unidirectionally be opened in discharge directions.
Circulating type vacuum pump can also include elastomeric pad 80, and an elastomeric pad is equipped between air intake 5 and shell 1
80, the corresponding air inlet 112 of the elastomeric pad 80 is equipped with multiple elastic slices, and elastic slice under normal conditions blocks air inlet 112, and is set to air inlet
Elastic slice at hole 112 can unidirectionally be deformed from air intake 5 to air inlet 112, so as to unidirectionally open on airintake direction, instead
To partition.An elastomeric pad 80 is equipped between exhaust part 6 and shell 1, the corresponding air inlet 112 of the elastomeric pad 80 is equipped with multiple
Elastic slice, elastic slice under normal conditions block gas vent 113, and the elastic slice being set at gas vent 113 can be from gas vent 113 to exhaust part
6 unidirectional deformations, it is reversed to separate so as to unidirectionally be opened in discharge directions.
In the present embodiment, breather check valve 7 is the elastic slice in first through hole 221, the bullet in first through hole 221
The area of piece is greater than the cross-sectional area of air inlet 112, and air inlet groove 121 is equipped with elastic slice avoiding hollow groove, the face of the elastic slice avoiding hollow groove
Product is greater than elastic slice so that when air-flow is flowed in air inlet groove 121 from air inlet 112, can ejection elastic slice to elastic slice empty avoiding
Deformed in slot, when air-flow is flowed from air inlet groove 121 to air inlet 112, air inlet 112 to elastic slice formed ejection, elastic slice without
Method deformation.
Elastomeric pad 80 is equipped between exhaust part 6 and shell 1, the elastic slice on elastomeric pad 80 is compared with 80 main body of elastomeric pad
Thin, the area of the elastic slice on elastomeric pad 80 is big compared with the cross-sectional area of gas vent 113, so that air-flow is from gas vent 113
When outflow can the bending of ejection elastic slice so that the gas in gas vent 113 flow out, when generation pressure of inspiration(Pi) in gas vent 113,
Shell 1 forms limitation to the elastic slice on elastomeric pad 80, and elastic slice is deformed without normal direction gas vent 113.Set on exhaust part 6 and shell 1
Between elastomeric pad 80 other than it can be used as the carrier of multiple exhaust check valves 8, elastomeric pad 80 can also be to shell 1
The effect being tightly connected is formed with exhaust part 6, the air-flow being effectively prevented in shell 1 is flowed from the gap of shell 1 and exhaust part 6
Out.
It in other examples, can also be setting elastomeric pad 80, breather check valve 7 between 5 shell 1 of air intake
It is the elastic slice on the second through-hole 222 in exhaust check valve 8 on the elastomeric pad 80.
Referring to Figure 7 together to Fig. 8, elastic balloon 2 is equipped with interconnecting piece 23 and is rotatably coupled by interconnecting piece 23
On extrusion 4, interconnecting piece 23 is set in set portion 21.Elastic balloon 2 and extrusion 4, which are formed, to be rotatablely connected, and elastic balloon 2 is certainly
As flexibility, certain angle swinging can occur for self structure, that is, interconnecting piece 23 can occur centainly with respect to set portion 21
Flexible deformation.As a result, in 4 eccentric rotary of extrusion, extrusion 4 forms the knot of similar radial engine with elastic balloon 2
Structure, wherein extrusion 4 is equivalent to crankshaft, and interconnecting piece 23 is equivalent to connecting rod, and set portion 21 is equivalent to piston, and extrusion 4 is rotating
When, connecting rod is in company with rotation, and the end position of connecting rod does linear reciprocating motion, to reciprocally squeeze, discharge set portion 21.
Further, extrusion 4 is equipped with the slot 40 of opening, and interconnecting piece 23 is inserted in slot 40, and opening allows to connect
23 opposing compression part 4 of socket part rotates within the scope of certain angle.It is better in order to guarantee to have between extrusion 4 and interconnecting piece 23
Connection effect, while the rotation for enabling 23 opposing compression part 4 of interconnecting piece more smoothly, are arranged sleeve 41 outside interconnecting piece 23
It is inserted into the slot 40 of extrusion 4 afterwards, between the width for the opening being had on sleeve 41 and the axis of interconnecting piece 23 and set portion 21
Connecting plate thickness it is equal, so as to realize the fixation between interconnecting piece 23 and sleeve 41, interconnecting piece 23 passes through sleeve 41
Opposing compression part 4 rotates.
Circulating type vacuum pump further includes driving member 30, and extrusion 4 is cylindrical, and actuator 3 drives driving member 30 to rotate, and is squeezed
Casting die 4 is connected in the eccentric shaft of driving member 30.Actuator 3 drives driving member 30 to rotate, and the axis of extrusion 4 is connected to
On the eccentrically weighted shaft of driving member 30, so that 4 eccentric rotary of extrusion, extrusion 4 is suitable with the structure that driving member 30 is formed
In crankshaft structure.
In the present embodiment, it is evenly distributed in 6 slots, 40,6 slots 40 on extrusion 4 and passes through 6 sleeve 41 and 6 bullets
Property air bag 2 be rotatablely connected.
It should be noted that above-mentioned elastic balloon 2 in addition to can be applied to this it is circular when vacuum pump on other than, can be with
Applied on other kinds of piston pump.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to the scope of the utility model.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection scope of utility model.
Claims (10)
1. elastic balloon, which is characterized in that including set portion interconnected and mounting portion, the set portion is one side opening and section
For the body of bar shaped, the mounting portion is set to the outside in the set portion, and the elastic balloon is installed by the mounting portion
It is fixed.
2. elastic balloon according to claim 1, which is characterized in that the elastic balloon is equipped with the air-flow for connection
First through hole and the second through-hole.
3. elastic balloon according to claim 2, which is characterized in that in the first through hole and/or second through-hole
Equipped with elastic slice.
4. elastic balloon according to claim 1, which is characterized in that the opening face phase of the mounting portion and the set portion
It is flat.
5. elastic balloon according to claim 1, which is characterized in that the section in the set portion is kidney-shaped or ellipse.
6. elastic balloon according to claim 1, which is characterized in that the elastic balloon further includes being set in the set portion
Interconnecting piece.
7. circulating type vacuum pump, which is characterized in that including shell, actuator, extrusion and such as any one of claim 1-6 institute
The elastic balloon stated；
The elastic balloon is fixed on the inside of the shell by mounting portion；
Multiple elastic balloon annular spreads and be set between the shell and the extrusion, each elastic balloon
The opening in the set portion is arranged towards the shell, and the shell is equipped with the inlet channel being connected to the set portion and exhaust is logical
Road；
When the actuator drives extrusion movement, the extrusion elastic balloon described in crimping section and can discharge it
The remaining elastic balloon.
8. circulating type vacuum pump according to claim 7, which is characterized in that the shell is in regular prism shape, the positive rib
Each medial surface of column is equipped with an elastic balloon.
9. circulating type vacuum pump according to claim 8, which is characterized in that the shell includes frame and mounting plate, institute
State frame and be equipped with the hollow-out parts for allowing the set portion to pass through, the mounting portion be located in the mounting plate and the frame it
Between, elastic cavity is enclosed out between the set portion and the mounting plate；
The mounting plate face opposite with the set portion be equipped with air inlet groove and exhaust groove, the frame be equipped with it is described
Air inlet that air inlet groove is connected and equipped with the gas vent being connected with the exhaust groove, the air inlet groove with it is described
Air inlet forms the inlet channel, and the exhaust groove and the gas vent form the exhaust passage.
10. circulating type vacuum pump according to claim 7, which is characterized in that the elastic balloon is rotatably connected to
On the extrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822222713.9U CN209228584U (en) | 2018-12-27 | 2018-12-27 | Elastic balloon and circulating type vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822222713.9U CN209228584U (en) | 2018-12-27 | 2018-12-27 | Elastic balloon and circulating type vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209228584U true CN209228584U (en) | 2019-08-09 |
Family
ID=67509490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822222713.9U Active CN209228584U (en) | 2018-12-27 | 2018-12-27 | Elastic balloon and circulating type vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209228584U (en) |
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2018
- 2018-12-27 CN CN201822222713.9U patent/CN209228584U/en active Active
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