CN209494691U - A kind of minisize fluid pump - Google Patents
A kind of minisize fluid pump Download PDFInfo
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- CN209494691U CN209494691U CN201920051949.2U CN201920051949U CN209494691U CN 209494691 U CN209494691 U CN 209494691U CN 201920051949 U CN201920051949 U CN 201920051949U CN 209494691 U CN209494691 U CN 209494691U
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- shaft
- pump housing
- lid
- accommodating chamber
- minisize fluid
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Abstract
A kind of minisize fluid pump, it is related to fluid pump technical field.It includes: driving assembly, is installed on driving assembly and the pump housing with accommodating chamber and the material being arranged on the pump housing pass in and out component, and lid is provided on the pump housing, and driving assembly includes: the power source being fixedly installed on the pump housing far from lid side；Eccentric setting is in shaft in accommodating chamber, assembling and can be rotated synchronously with power output end across the power output end of the pump housing and power source；It is set to the sleeve that can be rotated synchronously in shaft and with shaft；And it is installed in shaft and can be along the partition component radially slide, being abutted with the inner wall of accommodating chamber far from shaft one end, that accommodating chamber is separated into Liang Ge sub-chamber for mating sleeve of shaft.The consistency that flow passes in and out and guarantees output can be controlled more accurately by adopting the above technical scheme, with space hold is small, output consistency height, good airproof performance, noise is small, stability is good, advantage with long service life.
Description
Technical field
The utility model relates to fluid pump technical fields, and in particular to a kind of minisize fluid pump.
Background technique
What minisize fluid pump referred to is exactly micro air pump or liquid pump, refers to the air exhaust nozzle for having one-in-and-one-out, exhaust nozzle each one
It is a, inside by mechanical device make to pump inside diaphragm do reciprocating, and entrance can persistently be formed vacuum or
Negative pressure forms micro-positive pressure at exhaust nozzle；Working media is mainly gas or fluid, and a kind of instrument of compact is transported extensively
For coffee machine, beer brewing machine, blood pressure machine, water purifier etc..
Existing minisize fluid pump generally adds swing rod using eccentric wheel, and roll structure becomes diaphragm in vertical direction
Shape so that diaphragm generates volume variation, and then changes the pressure inside diaphragm, realize gas or fluid in diaphragm into
Out.It is had the disadvantage in that using the above structure in minisize fluid pump work, ball and swing rod rub for a long time, easily lead to pendulum
Bar or ball are seriously worn, and diaphragm is deformed in vertical direction, swing rod deformation are easily led to, therefore, using inclined
Heart wheel adds swing rod, and roll structure, the diaphragm deformation degree for being easy to cause minisize fluid to pump is different, and then is difficult to ensure minisize fluid
The consistency of pump discharge；Meanwhile eccentric wheel adds swing rod, roll structure, the space occupied is larger at work, so as to cause miniature
Fluid pump volume becomes larger, therefore the use for influencing minisize fluid pump has much room for improvement.
Utility model content
The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, a kind of minisize fluid pump is provided, it can
The consistency that flow passes in and out and guarantees output is controlled more accurately, output consistency height, sealing small with space hold
Property is good, noise is small, stability is good, advantage with long service life.
A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: minisize fluid pump, comprising: driving group
Part, the pump housing for being installed in the driving component and there is accommodating chamber and the material disengaging component being arranged on the pump housing,
Lid is provided on the pump housing, the driving component includes: to be fixedly installed on the pump housing far from the lid side
Power source；Eccentric setting in it is in the accommodating chamber, across the pump housing and the power source power output end assembly and can
The shaft rotated synchronously with power output end；Be set in the shaft and can be rotated synchronously with the shaft, for protecting
The shaft and the sleeve abutted with the receiving cavity wall；And it is installed in the shaft and can be along the diameter of the shaft
To sliding, far from described shaft one end abutted with the inner wall of the accommodating chamber, for cooperating the sleeve by the receiving
Chamber is separated into the partition component of Liang Ge sub-chamber.
Radially offer mounting groove in the shaft, the partition component includes: to be installed in the mounting groove and can
Along the demarcation plate of mounting groove sliding；And it is set between the demarcation plate and the mounting groove, one end and described point
It is that partition assembly, the other end and mounting groove slot bottom assembles, for providing restoring force simultaneously for the reset of the demarcation plate
The demarcation plate is pushed against the elastic component on the receiving cavity wall.
Glide direction on the demarcation plate close to demarcation plate described in one lateral edge of slot bottom of the mounting groove offers installation
Mouthful, it is provided with mounting post in the installing port, the elastic component is sheathed in the mounting post.
The elastic component is spring, elastic slice, any one in bullet block.
Part in the shaft positioned at the accommodating chamber is provided with mounting portion, and the mounting portion is for installing the separation
Component and the sleeve.
The sleeve covers are molded as one on the mounting portion and with the mounting portion.
Accommodation groove is provided on the lid, the separate power source side is placed in the accommodation groove in the shaft
It is interior, bearing is provided between the shaft and the accommodation groove.
Inlet port and outlet port are provided on the lid, described in the feed inlet and the discharge port protrudes and be set to
Far from the pump housing side on lid.
Material disengaging component include: be set on the lid far from the pump housing side and by fastening screw with
The lid and the pump housing fixing assembling, be aligned for the inlet port and outlet port and with external pipe sealing assembly
Top plate；And be set between the top plate and the lid and be aligned with the feed inlet and the discharge port, for controlling
Make the one-way valve structures that the material passes in and out the pump housing accommodating chamber.
The one-way valve structures include: disc-shaped body, are provided with installing port on the ontology；It is set to the installing port
Interior and being adapted to the discharge port and the feed inlet size, for controlling the feed inlet and discharge port opening and closing gear
Piece；And it is set between the baffle and the installing port inner wall, one end is assembled with the baffle, other end and institute
State the assembly of installing port inner wall, for controlling baffle uniform stressed and reset for the baffle provides reply at work
The elastic webbing of power.
After adopting the above technical scheme, the utility model is had the beneficial effect that when being pumped using the minisize fluid, first pass through dynamic
The shaft rotation that the driving of power source is mounted on the power output end of power source, then the installation for driving installation shaft is rotated by shaft
Partition component rotation in portion.In shaft rotation, demarcation plate is pushed against accommodating chamber by the elastic force that elastic component provides always
On inner sidewall, then as the inner sidewall of the more next close accommodating chamber of the mounting groove in shaft, demarcation plate is along mounting groove to installation
The slot bottom of slot slides, at this point, the sub- cavity space compression of one in Liang Ge sub-chamber, another sub-chamber space increase, thus
The discharge port being mounted in the sub-chamber that space gradually reduces is discharged by the material being accommodated in the sub-chamber, row
Material out drives baffle to deviate to discharging gate side, so that the pump housing is discharged from discharging gate in material；On the other hand to be mounted on
The feed inlet in sub-chamber that space gradually increases constantly passes through the material of feed nozzle suck up outside, inhales one by one in this way
Row, realizes the basic function of fluid pump.Be arranged in this way minisize fluid pump by demarcation plate, sleeve, lid and receiving cavity it
Between the space encircled a city constantly change the basic function for realizing ontology, enable the pump housing to control the disengaging of material more accurately
And guarantee material disengaging consistency, have space hold is small, flow precision height, good airproof performance, noise is small, stability is good,
Advantage with long service life.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure diagram of the present embodiment；
Fig. 2 is the explosive view of the present embodiment；
Fig. 3 is the structural schematic diagram of lid in the present embodiment, bearing, sealing ring, the pump housing, shaft and partition component.
Description of symbols: 1, driving assembly；2, the pump housing；3, material passes in and out component；4, lid；5, sealing ring；6, it feeds
Mouthful；7, discharge port；8, power source；9, shaft；10, sleeve；11, partition component；12, mounting portion；13, mounting groove；14, it accommodates
Slot；15, bearing；16, demarcation plate；17, elastic component；18, installing port；19, mounting post；20, top plate；21, one-way valve structures；22,
Ontology；23, baffle；24, elastic webbing；25, discharging gate；26, feed nozzle；27, mounting plate.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification made to the present embodiment and do not create contribution after reading this specification, but only
It will be in the scope of the claims of the utility model all by the protection of Patent Law.
The present embodiment is related to a kind of minisize fluid pump, as shown in Figure 1, 2, comprising: driving assembly 1, the pump housing 2 and material into
Component 3 out.
As shown in Figure 1-3, driving assembly 1 is used to provide power for minisize fluid pump, the pump housing 2 is installed on driving assembly 1,
And there is accommodating chamber.Material passes in and out component 3 and is arranged on the pump housing 2, and material disengaging component 3 is used to control the material disengaging pump housing 2
Accommodating chamber.Lid 4 is provided on the pump housing 2, lid 4 will be for that will accommodate closing.In order to promote the sealing between lid 4 and the pump housing 2
Property, to guarantee the normal operation of minisize fluid pump, sealing ring 5 is provided between the pump housing 2 and lid 4.It is close on the pump housing 2
Annular groove is provided on the end face of lid 4, sealing ring 5 is installed in annular groove.Feed inlet 6 and discharge port are provided on lid 4
7, feed inlet 6 and discharge port 7 are protruded and are set on lid 4 far from 2 side of the pump housing, and the projecting portion height of feed inlet 6 is less than
The projecting portion height of discharge port 7.In the present embodiment, sealing ring 5 is flexible rubber ring, and protrusion height is higher to be
Discharge port 7, lower protrusion height is feed inlet 6.In other embodiments, sealing ring 5 can also be flexible plastics
Circle or spring washer.
As shown in Figure 1-3, driving assembly 1 includes: power source 8, shaft 9, sleeve 10 and partition component 11.Power source 8
It is fixedly installed on the pump housing 2 far from 4 side of lid.For 9 eccentric setting of shaft in accommodating chamber, shaft 9 passes through the pump housing 2 and power source
8 power output end assembly, and can be rotated synchronously with power output end.Sleeve 10 is set in shaft 9, and can be same with shaft 9
Step rotation, sleeve 10 are abutted for protecting shaft 9, and with cavity wall is accommodated.Partition component 11 is installed in shaft 9 and can edge
Shaft 9 radially slides, and partition component 11 is abutted far from 9 one end of shaft with the inner wall of accommodating chamber, and partition component 11 is for cooperating
Accommodating chamber is separated into Liang Ge sub-chamber by sleeve 10, when shaft 9 rotates, shaft 9 with moving sleeve 10 and partition component 11 together
Rotation so that partition component 11 can constantly change the volume of two box chambers in rotation, and then realizes the base of the pump housing 2
This function.
As shown in Figure 1-3, in the present embodiment, the part in shaft 9 positioned at accommodating chamber is provided with mounting portion 12, mounting portion
12 for installing partition component 11 and sleeve 10.Mounting groove 13 is radially provided on mounting portion 12, mounting groove 13 is used for
Partition component 11 is installed.When shaft 9 rotates, partition component 11 can be placed in completely in mounting groove 13.Sleeve 10 is coated on peace
In dress portion 12, and it is molded as one with mounting portion 12.Sleeve 10 is made of wear-resistant material, to ensure that the use of sleeve 10
Service life.Hollow hole is provided on mounting portion 12, sleeve 10 is internally provided with filling block, which is used to fill hollow hole,
To guarantee the stability assembled between mounting portion 12 and sleeve 10, and the service life of shaft 9 is improved, and to mounting portion
12 play a protective role.In order to further ensure the service life of shaft 9, it is provided with accommodation groove 14 on lid 4, in shaft 9
It is placed in accommodation groove 14 far from 8 side of power source, bearing 15 is provided between shaft 9 and accommodation groove 14.In order to guarantee sleeve
The leakproofness between leakproofness and sleeve 10 and lid 4 between 10 and accommodating chamber bottom wall, in sleeve 10 and accommodating chamber bottom wall
Between sealing ring 5 is again provided between sleeve 10 and lid 4.In order to facilitate the installation between power source 8 and the pump housing 2,
Mounting plate 27 is provided between power source 8 and the pump housing 2, mounting plate 27 is for fixing power source 8 and the pump housing 2.Power source 8 is electronic
Machine.
As shown in Figure 1-3, partition component 11 includes: demarcation plate 16 and elastic component 17.Demarcation plate 16 is installed on mounting groove
It can slide in 13 and along mounting groove 13, demarcation plate 16 is used to cooperate with sleeve 10, so that accommodating chamber is divided into two sub- chambers
Room.Elastic component 17 is set between demarcation plate 16 and mounting groove 13,17 one end of elastic component and the assembly of demarcation plate 16, the other end and peace
The slot bottom of tankage 13 assembles, and elastic component 17 is used to provide restoring force for the reset of demarcation plate 16, and demarcation plate 16 is pushed against appearance
It receives on cavity wall.
As shown in Figure 1-3, in the present embodiment, close to the one lateral edge demarcation plate 16 of slot bottom of mounting groove 13 on demarcation plate 16
Glide direction offers installing port 18, and mounting post 19 is provided in installing port 18, and elastic component 17 is sheathed in mounting post 19, is dividing
When partition 16 slides, by mounting post 19 to the guiding role of elastic component 17, to ensure that stabilization when demarcation plate 16 slides
Property.Elastic component 17 is spring.Demarcation plate 16 is whole in a rectangular parallelepiped shape, and there are two the settings of installing port 18, is all provided in two installing ports 18
It is equipped with mounting post 19.In other embodiments, the slot bottom of mounting groove 13 is provided with circular trough, close mounting groove on elastic component 17
13 slot bottom side is installed in circular trough.Elastic component 17 can also be elastic slice, bullet block etc..
As shown in Figure 1-3, material disengaging component 3 includes: top plate 20 and one-way valve structures 21.Top plate 20 is set to lid
Far from 2 side of the pump housing on 4, top plate 20 is by fastening screw and 2 fixing assembling of lid 4 and the pump housing, and top plate 20 is with feed inlet 6 and out
Material mouth 7 is aligned, and is sealed and assembled with external pipe.One-way valve structures 21 are set between top plate 20 and lid 4, and and feed inlet
6 and discharge port 7 be aligned, one-way valve structures 21 be used for control material disengaging the pump housing 2 accommodating chamber.
As shown in Figure 1-3, wherein, one-way valve structures 21 include: ontology 22, baffle 23 and elastic webbing 24.Ontology 22 is in
It is discoid, mounting hole is provided on ontology 22.Baffle 23 is set in mounting hole, and suitable with discharge port 7 and 6 size of feed inlet
Match, baffle 23 is opened and closed for controlling feed inlet 6 and discharge port 7, to control material disengaging accommodating chamber.Elastic webbing 24 is set to gear
Between piece 23 and inner wall of the hole installing, 24 one end of elastic webbing and the assembly of baffle 23, the other end and inner wall of the hole installing are assembled, elastic webbing 24
For controlling the uniform stressed at work of baffle 23, and the reset for baffle 23 provides restoring force.
In the present embodiment, top plate 20, which protrudes above, is provided with the feed nozzle 26 being adapted to feed inlet 6 and is adapted to discharge port 7
Discharging gate 25, feed nozzle 26 and discharging gate 25 are used to connect with external pipe.There are two mounting holes and charging for mounting hole setting
Mouth 6 and discharge port 7 are aligned, and baffle 23 is in round pie, and there are two the settings of baffle 23, the elasticity between each baffle 23 and mounting hole
Band 24 is provided with four.Top plate 20, cover board, the pump housing 2 and mounting plate 27 pass through four fastening screw fixing assemblings.
The working principle of the present embodiment is approximately as stating: when pumping using the minisize fluid, first passing through the driving peace of power source 8
Shaft 9 on the power output end of power source 8 rotates, then is driven on the mounting portion 12 of installation shaft 9 by the rotation of shaft 9
Partition component 11 rotate.When shaft 9 rotates, demarcation plate 16 is pushed against accommodating chamber by the elastic force that elastic component 17 provides always
Inner sidewall on, then as the inner sidewall of the more next close accommodating chamber of the mounting groove 13 in shaft 9, demarcation plate 16 is along mounting groove
13 slide to the slot bottom of mounting groove 13, at this point, the sub- cavity space compression of one in Liang Ge sub-chamber, another sub-chamber space
Increase, on the one hand make the discharge port being mounted in the sub-chamber that space gradually reduces 7 that will be accommodated in the sub-chamber
The material of material discharge, discharge drives baffle 23 to deviate to 25 side of discharging gate, so that the pump housing 2 is discharged from discharging gate 25 in material；
On the other hand make the feed inlet 6 being mounted in the sub-chamber that space gradually increases constantly by 26 suck up outside of feed nozzle
Material inhales a row by one in this way, realizes the basic function of fluid pump.Be arranged in this way minisize fluid pump by demarcation plate 16,
The space encircled a city between sleeve 10, lid 4 and receiving cavity constantly changes the basic function for realizing ontology 22, so that the pump housing 2
The disengaging of material can be controlled more accurately and guarantees the consistency of material disengaging, small, the flow precision with space hold
Height, good airproof performance, noise are small, stability is good, advantage with long service life.
More than, it is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art are to this reality
The other modifications or equivalent replacement made of novel technical solution, without departing from the spirit of technical solutions of the utility model
And range, it should all cover in the scope of the claims of the utility model.
Claims (10)
1. a kind of minisize fluid pump, comprising: driving assembly (1), the pump for being installed on the driving component (1) and there is accommodating chamber
Body (2) and the material being arranged on the pump housing (2) pass in and out component (3), which is characterized in that are provided on the pump housing (2)
Lid (4), the driving component (1) include:
It is fixedly installed in the power source (8) on the pump housing (2) far from the lid (4) side；
Eccentric setting assembles simultaneously in power output end in the accommodating chamber, passing through the pump housing (2) and the power source (8)
The shaft (9) that can be rotated synchronously with power output end；
Be set on the shaft (9) and can be rotated synchronously with the shaft (9), for protect the shaft (9) and with institute
It states and accommodates the sleeve (10) that cavity wall abuts；And
Be installed on the shaft (9) and can along the shaft (9) radially slide, far from the shaft (9) one end and institute
State separation group that the inner wall of accommodating chamber abuts, for cooperating the sleeve (10) that the accommodating chamber is separated into Liang Ge sub-chamber
Part (11).
2. minisize fluid pump according to claim 1, which is characterized in that radially offer installation on the shaft (9)
Slot (13), the partition component (11) include:
It is installed on the demarcation plate (16) that can be slided in the mounting groove (13) and along the mounting groove (13)；And
It is set to that between the demarcation plate (16) and the mounting groove (13), one end is assembled with the demarcation plate (16), another
It is that the slot bottom of one end and the mounting groove (13) assembles, provided for the reset for the demarcation plate (16) restoring force and will described in
Demarcation plate (16) is pushed against the elastic component (17) on the receiving cavity wall.
3. minisize fluid pump according to claim 2, which is characterized in that close to the mounting groove on the demarcation plate (16)
(13) glide direction of demarcation plate (16) described in one lateral edge of slot bottom offers installing port (18), setting in the installing port (18)
Have mounting post (19), the elastic component (17) is sheathed on the mounting post (19).
4. minisize fluid pump according to claim 3, which is characterized in that the elastic component (17) is spring, elastic slice, bullet block
In any one.
5. minisize fluid described in any one of -4 pumps according to claim 1, which is characterized in that be located at institute on the shaft (9)
The part for stating accommodating chamber is provided with mounting portion (12), and the mounting portion (12) is for installing the partition component (11) and the set
Cylinder (10).
6. minisize fluid pump according to claim 5, which is characterized in that the sleeve (10) is coated on the mounting portion
(12) it is molded as one on and with the mounting portion (12).
7. minisize fluid pump according to claim 6, which is characterized in that accommodation groove (14) are provided on the lid (4),
It is placed in the accommodation groove (14) on the shaft (9) far from the power source (8) side, the shaft (9) and the appearance
It sets and is provided with bearing (15) between slot (14).
8. minisize fluid described in any one of according to claim 6 or 7 pumps, which is characterized in that be provided on the lid (4)
Feed inlet (6) and discharge port (7), the feed inlet (6) and the discharge port (7) protrusion are set on the lid (4) remote
From the pump housing (2) side.
9. minisize fluid pump according to claim 8, which is characterized in that the material passes in and out component (3) and includes:
It is set on the lid (4) far from the pump housing (2) side and by fastening screw and the lid (4) and the pump
Body (2) fixing assembling, the top plate that is aligned for the feed inlet (6) and discharge port (7) and is assembled with external pipe sealing
(20)；And
It is set between the top plate (20) and the lid (4) and is aligned with the feed inlet (6) and the discharge port (7)
, the one-way valve structures (21) for passing in and out for controlling the material pump housing (2) accommodating chamber.
10. minisize fluid according to claim 9 pump, which is characterized in that the one-way valve structures (21) include:
Disc-shaped body (22) is provided with installing port (18) on the ontology (22)；
Be set to it is being adapted in the installing port (18) and with the discharge port (7) and the feed inlet (6) size, for controlling
The baffle (23) of the feed inlet (6) and the discharge port (7) opening and closing；And
It is set to that between the baffle (23) and the installing port (18) inner wall, one end is assembled with the baffle (23), another
One end and the assembly of the installing port (18) inner wall, for controlling the baffle (23) uniform stressed and for the gear at work
The reset of piece (23) provides the elastic webbing (24) of restoring force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920051949.2U CN209494691U (en) | 2019-01-11 | 2019-01-11 | A kind of minisize fluid pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920051949.2U CN209494691U (en) | 2019-01-11 | 2019-01-11 | A kind of minisize fluid pump |
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| Publication Number | Publication Date |
|---|---|
| CN209494691U true CN209494691U (en) | 2019-10-15 |
Family
ID=68154936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920051949.2U Active CN209494691U (en) | 2019-01-11 | 2019-01-11 | A kind of minisize fluid pump |
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| Country | Link |
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| CN (1) | CN209494691U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505762A (en) * | 2019-01-11 | 2019-03-22 | 杨军 | A kind of minisize fluid pump |
| CN112090874A (en) * | 2020-09-03 | 2020-12-18 | 王洪振 | Liquid supply type gas compression equipment |
-
2019
- 2019-01-11 CN CN201920051949.2U patent/CN209494691U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505762A (en) * | 2019-01-11 | 2019-03-22 | 杨军 | A kind of minisize fluid pump |
| CN112090874A (en) * | 2020-09-03 | 2020-12-18 | 王洪振 | Liquid supply type gas compression equipment |
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