CN110107484A - Diaphragm pump - Google Patents
Diaphragm pump Download PDFInfo
- Publication number
- CN110107484A CN110107484A CN201910453177.XA CN201910453177A CN110107484A CN 110107484 A CN110107484 A CN 110107484A CN 201910453177 A CN201910453177 A CN 201910453177A CN 110107484 A CN110107484 A CN 110107484A
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- hydraulic pressure
- pressure plate
- diaphragm
- pump cover
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 135
- 230000002093 peripheral effect Effects 0.000 claims description 40
- 230000013011 mating Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 16
- 239000000306 component Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The claimed diaphragm pump of the present invention, including diaphragm, disengaging hydraulic pressure plate, pump cover and sealing ring are provided with ladder annular groove on the inner sidewall of the pump cover, annular convex platform are provided on the sealing ring, for matching the ladder annular groove on the pump cover；The disengaging hydraulic pressure plate can squeeze the sealing ring and the pump cover forms two sealing positions, one of sealing position contacting between ladder annular groove on annular convex platform on the sealing ring and the pump cover, another sealing position are contacting between two inclined-planes.The present invention can utilize the generated component in the horizontal direction and the vertical direction when contacting on inclined-plane between sealing ring and pump cover, to ensure the sealing effect between sealing ring and pump cover, so as to improve the leakproofness assembled between pump cover on the diaphragm pump and disengaging hydraulic pressure plate, it prevents from leaking between pump cover and disengaging hydraulic pressure plate, leakage problems caused by which is efficiently solved because of instantaneous high pressures such as water hammers.
Description
Technical field
The invention belongs to the relevant technical fields of water pump, more particularly to a kind of diaphragm pump.
Background technique
Diaphragm pump generally includes motor, shaft, swash plate, eccentric wheel, bearing block, intermediate support, pump cover, water inlet diaphragm, goes out
Moisture film piece, diaphragm, disengaging hydraulic pressure plate, sealing ring, solution pressure valve and diaphragm follower.Wherein the core component on diaphragm pump is mainly
Diaphragm, disengaging hydraulic pressure plate, pump cover, water inlet diaphragm and water outlet diaphragm.
Wherein, the diaphragm pump used on water purifier is applied to require the function of pressurization, specifically, when diaphragm pump is powered
When work, the rotation of machine shaft on diaphragm pump, the swing with movable eccentric wheel, then motor is converted by bias by swash plate
The front-rear reciprocation movement of wheel.Eccentric wheel is connected with diaphragm simultaneously, and also band dynamic diaphragm is reciprocating.To make diaphragm and Inlet and outlet water
The cavity volume that pressing plate matches constantly changes, so that cavity constantly generates pressure difference, finally realizes diaphragm pump pressurization row
The function of water.
Currently, existing diaphragm pump is because the pressure of water flow is higher when work so that disengaging hydraulic pressure plate on diaphragm pump and
It is easy to happen outer leakage between pump cover, passes in and out and is easy to happen interior leakage between hydraulic pressure plate and diaphragm, and work as and be equipped with diaphragm pump
Water purifier work when generating the instantaneous high pressures such as interim high pressure, such as water hammer, be arranged between disengaging hydraulic pressure plate and pump cover
Conventional sealing ring is difficult to play the role of preventing leakage, to cause the leak of the diaphragm pump.Wherein sealing ring is to be passed in and out
The extruding and pump cover tight fit of hydraulic pressure plate realize the sealing cooperation between disengaging hydraulic pressure plate and pump cover with this, and water purifier works
When the interim high pressure that generates would generally the contact between sealing ring and pump cover face out leakage, to cause pump cover and disengaging
Leak between hydraulic pressure plate.
Summary of the invention
Based on this, it is necessary to for the technical problems in the prior art, provide a kind of diaphragm pump.
Specifically, a kind of diaphragm pump, including diaphragm, disengaging hydraulic pressure plate, pump cover and sealing ring, the diaphragm with it is described
Disengaging hydraulic pressure plate is equipped with, and the position between the disengaging hydraulic pressure plate and the pump cover is arranged in the sealing ring, and described
It passes in and out hydraulic pressure plate and the pump cover and assembly sealing is carried out by the sealing ring；It is characterized by: on the inner sidewall of the pump cover
It is provided with ladder annular groove, is provided with annular convex platform on the sealing ring, for matching the ladder annular groove on the pump cover；It is described into
Water outlet pressing plate can squeeze the sealing ring and the pump cover forms two sealing positions, and one of sealing position is described close
Contacting between ladder annular groove on annular convex platform and the pump cover in seal, it is close that another sealing position is that inclined-plane abuts
Envelope.
As a preferred solution of the present invention, the ladder annular groove of the pump cover has two parallel ladder groove faces, fixed respectively
Justice is the first ladder groove face and the second ladder groove face；There are two step surfaces for the annular convex platform tool of the sealing ring, are respectively defined as
First terrace and second step face；The First terrace is contacted with the first ladder groove face, the second step
Face is contacted with the second ladder groove face.
As a preferred solution of the present invention, the outer peripheral surface of the sealing ring is set as ramp-like structures, sets on the pump cover
It is equipped with the internal diameter side for matching outer peripheral surface on the sealing ring, the disengaging hydraulic pressure plate can squeeze the outer of the sealing ring
Circumferential surface fits in the internal diameter side of the pump cover.
As a preferred solution of the present invention, the inner peripheral surface of the sealing ring is set as ramp-like structures, the disengaging hydraulic pressure
The outer diameter side for matching inner peripheral surface on the sealing ring is provided on plate, the disengaging hydraulic pressure plate can pass through the outer diameter
Cooperation between side and the inner peripheral surface squeezes the sealing ring.
As a preferred solution of the present invention, outer peripheral surface is equal with the gradient of inner peripheral surface on the sealing ring.
As a preferred solution of the present invention, the gradient of the outer peripheral surface of the sealing ring and inner peripheral surface is 3 ° -8 °.
As a preferred solution of the present invention, the sealing ring is provided with third step surface, institute above the inner peripheral surface
It states and is provided with step mating surface on disengaging hydraulic pressure plate, the third step surface is contacted with the step mating surface.
As a preferred solution of the present invention, the disengaging hydraulic pressure plate has multiple cavities, wherein the Inlet and outlet water pressing plate exists
The mouth periphery of each cavity is enclosed with rib respectively, and the rib of the disengaging hydraulic pressure plate can squeeze the diaphragm simultaneously
It is contacted with the diaphragm.
As a preferred solution of the present invention, the disengaging hydraulic pressure plate offers the first ring in the periphery of multiple cavities
Slot encloses in multiple cavities and offers the second annular groove, and the position between the cavity described in each adjacent two opens up respectively
There is bar groove, wherein the bar groove is connected to first annular groove and second annular groove respectively；Is provided on the diaphragm
One rib, the second rib and third rib, first rib are contacted with first annular groove, second rib and institute
It states the second annular groove to contact, the third rib is contacted with the bar groove.
As a preferred solution of the present invention, the disengaging hydraulic pressure plate is provided with convex ribs in the periphery of first annular groove, institute
It states and opens up fluted on diaphragm, the convex ribs are contacted with the groove.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages:
Diaphragm pump provided by the present invention, can using between sealing ring and pump cover inclined-plane it is generated when contacting
Component in the horizontal direction and the vertical direction, ensuring the sealing effect between sealing ring and pump cover, so as to improve should be every
The leakproofness assembled between pump cover and disengaging hydraulic pressure plate on membrane pump prevents from leaking between pump cover and disengaging hydraulic pressure plate, so that
Leakage problems caused by the diaphragm pump can be efficiently solved because of instantaneous high pressures such as water hammers.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of diaphragm pump provided by an embodiment of the present invention.
Fig. 2 be Fig. 1 diaphragm pump interval diaphragm, disengaging hydraulic pressure plate, pump cover and sealing ring assembling exploded view.
Fig. 3 is the cross-sectional view of pump cover in the diaphragm pump of Fig. 2.
Fig. 4 is the structural schematic diagram that hydraulic pressure plate is passed in and out in the diaphragm pump of Fig. 2.
Fig. 5 is the cross-sectional view that hydraulic pressure plate is passed in and out in the diaphragm pump of Fig. 2.
Fig. 6 is the cross-sectional view of sealing ring in the diaphragm pump of Fig. 2.
Fig. 7 is the cross-sectional view of the diaphragm pump interval diaphragm of Fig. 2.
Fig. 8 is the sectional arrangement drawing of the diaphragm of the diaphragm pump interval diaphragm of Fig. 1, disengaging hydraulic pressure plate, pump cover and sealing ring.
Fig. 9 is the portion the P enlarged drawing in Fig. 8.
Wherein, 10, diaphragm；11, the first rib；12, the second rib；13, third rib；14, groove；20, Inlet and outlet water
Pressing plate；21, outer diameter side；22, step mating surface；23, rib；24, the first annular groove；25, the second annular groove；26, bar groove；27, convex
Muscle；201, cavity；30, pump cover；31, ladder annular groove；32, internal diameter side；301, the first ladder groove face；302, the second stepped groove
Face；303, joint face；40, sealing ring；41, annular convex platform；42, outer peripheral surface；43, inner peripheral surface；44, third step surface；401,
One step surface；402, First terrace.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
Please refer to Fig. 1, Fig. 2, diaphragm pump provided by an embodiment of the present invention, including diaphragm 10, disengaging hydraulic pressure plate
20, pump cover 30 and sealing ring 40, wherein the diaphragm 10 and the disengaging hydraulic pressure plate 20 and the disengaging hydraulic pressure plate 20,
Compression fit between the sealing ring 40 and the pump cover 30.It should be noted that the claimed diaphragm pump of the present invention is main
It is directed to close between the diaphragm 10 and the disengaging hydraulic pressure plate 20 and the disengaging hydraulic pressure plate 20 and the pump cover 30
Envelope problem, so other components on diaphragm pump are not unfolded to describe, so that under the premise of reconcilable, in the prior art
Diaphragm pump on other components various situations be applicable in.
Wherein, the position between the disengaging hydraulic pressure plate 20 and the pump cover 30 is arranged in the sealing ring 40, and described
It passes in and out hydraulic pressure plate 20 and the pump cover 30 and assembly sealing is carried out by the sealing ring 40.That is, in present embodiment, institute
The sealing cooperation between disengaging hydraulic pressure plate 20 and the pump cover 30 is stated, squeezes the sealing especially by the disengaging hydraulic pressure plate 20
Circle 40, which is resisted against on the pump cover 30, to be realized.
Also referring to Fig. 3, Fig. 6, ladder annular groove 31 is provided on the inner sidewall of the pump cover 30 of present embodiment；Accordingly
Ground is provided with annular convex platform 41 on the sealing ring 40, and the annular convex platform 41 is equipped with the ladder annular groove 31.And institute
When stating the position that sealing ring 40 is assemblied between the disengaging hydraulic pressure plate 20 and the pump cover 30, the ladder annular groove of the pump cover 30
31 can contact with the annular convex platform 41 of the sealing ring 40, and realize sealing cooperation between the two.That is, institute
It states contacting between annular convex platform 41 and the ladder annular groove 31 and is capable of forming the sealing ring 40 and the pump cover 30
One sealing position.
Specifically, there are two parallel ladder groove faces for the tool of ladder annular groove 31 of the pump cover 30, are respectively defined as the first rank
Terraced groove face 301 and the second ladder groove face 302；And there are two step surfaces for the tool of annular convex platform 41 of the sealing ring 40, define respectively
For First terrace 401 and second step face 402；The First terrace 401 is abutted with the first ladder groove face 301 matches
Close, the second step face 402 contacts with the second ladder groove face 302, with this realize the First terrace 401 and
Sealing cooperation between the first ladder groove face 301, between the second step face 402 and the second ladder groove face 302
Sealing cooperation.That is, in present embodiment between the ladder annular groove 31 of pump cover 30 and the annular convex platform 41 of sealing ring 40
There are two the contact surfaces for cooperating and sealing for tool, that is, play the role of dual-seal, further increase the sealing ring
40 with the ladder annular groove 31 on the pump cover 30 and the mutually matched sealing effect of the annular convex platform 41.
Wherein, on the pump cover 30 of present embodiment ladder annular groove 31 the first ladder groove face 301 and the second ladder groove face 302
Between joint face 303 be set as being respectively perpendicular with the first ladder groove face 301 and the second ladder groove face 302 it is vertical
Face, in order to the mutual assembly on ladder annular groove 31 on the pump cover 30 and the sealing ring 40 between annular convex platform 41.
In the present embodiment, also there are other sealing positions, specially between the sealing ring 40 and the pump cover 30
Inclined-plane abuts sealing, that is to say, that when the sealing ring 40 is mutually assembled with the pump cover 30, the sealing ring 40 and the pump
It is sealed between lid 30 there are also mutually matched inclined-plane.
Specifically, the outer peripheral surface 42 of the sealing ring 40 is set as ramp-like structures, and is arranged on the pump cover 30 useful
In the internal diameter side 32 for matching outer peripheral surface 42 on the sealing ring 40, the disengaging hydraulic pressure plate 20 can squeeze the sealing ring 40
Outer peripheral surface 42 stick on the internal diameter side 32 of the pump cover 30, realized between the sealing ring 40 and the pump cover 30 with this
Inclined-plane seal cooperation.
It is appreciated that when the sealing ring 40, the pump cover 30 and the disengaging hydraulic pressure plate 20 mutually assemble, first by institute
The outer peripheral surface 42 for stating sealing ring 40 is bonded the internal diameter side 32 of the pump cover 30, and the annular convex platform 41 on the sealing ring 40 is right
Ladder annular groove 31 on the pump cover 30 should be set, assembly of the sealing ring 40 on the pump cover 30 is realized with this, so
The sealing ring 40, and the pump cover 30, the sealing ring 40 and the disengaging hydraulic pressure plate are compressed with disengaging hydraulic pressure plate 20 again afterwards
20 to apply be integrally compression fit on diaphragm pump, that is to say, that the disengaging hydraulic pressure plate 20 can be to the sealing ring 40
Certain squeezing action power is generated, so that energy between the outer peripheral surface 42 of the sealing ring 40 and the internal diameter side 32 of the pump cover 30
Interaction force is enough generated, and the internal diameter side 32 of the outer peripheral surface 42 of the sealing ring 40 and the pump cover 30 is set as phase interworking
The internal diameter side 32 of the inclined-plane of conjunction, the outer peripheral surface 42 of the sealing ring 40 and the pump cover 30 can be generated when contacting
Component on horizontally and vertically so that the sealing ring 40 be bonded with the pump cover 30 it is even closer, have improve
The sealing ring 40 and the pump cover 30 mutually assembly when sealing effect effect, and then ensure the pump cover 30 with it is described into
The assembly sealing being discharged between pressing plate 20.
Please refer to fig. 5, the inner peripheral surface 43 of the sealing ring 40 of present embodiment is set as ramp-like structures, the disengaging
The outer diameter side 21 for matching inner peripheral surface 43 on the sealing ring 40,20 energy of disengaging hydraulic pressure plate are provided on hydraulic pressure plate 20
The sealing ring 40 is enough squeezed by the cooperation between the outer diameter side 21 and the inner peripheral surface 43, the sealing is realized with this
It is close to close between circle 40 and the pump cover 30.
It is appreciated that cooperating between the inner peripheral surface 43 of the sealing ring 40 and the outer diameter side 21 of the disengaging hydraulic pressure plate 20
The principle of matching relationship between the principle of relationship, with the outer peripheral surface 42 of the sealing ring 40 and the internal diameter side 42 of the pump cover 20
It is identical, play the role of improving sealing effect when the disengaging hydraulic pressure plate 20 is mutually assembled with the sealing ring 40 with this, so that
The sealing ring 40 is bonded even closer with the disengaging hydraulic pressure plate 20, and then has and improves the sealing ring 40 and the disengaging
The effect of sealing effect when hydraulic pressure plate 20 mutually assembles.
Further, outer peripheral surface 42 is equal with the gradient of inner peripheral surface 43 on the sealing ring 40, is specifically configured to 3 ° -8 °,
Preferably 5 °, with this convenient for the transmitting of power between the disengaging hydraulic pressure plate 20, the sealing ring 40 and the pump cover 30, so that institute
The outer diameter side 21 of disengaging hydraulic pressure plate 20 is stated to the squeezing action power of the inner peripheral surface 43 of the sealing ring 40, can be completely converted into
For the outer peripheral surface 42 of the sealing ring 40 to the mating reaction power of the internal diameter side 32 of the pump cover 30, having ensures the sealing ring
The effect of sealing effect between 40 and the pump cover 30.
In the present embodiment, the sealing ring 40 is provided with third step surface 44, institute in the top of the inner peripheral surface 43
It states and is provided with step mating surface 22 on disengaging hydraulic pressure plate 20, the third step surface 44 is abutted with the step mating surface 22 matches
It closes.The step mating surface 22 of the third step surface 44 of the sealing ring 40 and the disengaging hydraulic pressure plate 20 is cooperated close
Envelope plays another sealing position when the disengaging hydraulic pressure plate 20 is mutually assembled with the sealing ring 40 with this, has and improve institute
State the effect of sealing effect between disengaging hydraulic pressure plate 20 and the sealing ring 40.
Wherein, the disengaging hydraulic pressure plate 20 has multiple cavities 201, and 201 energy of cavity on the disengaging hydraulic pressure plate 20
It is enough to cooperate with the diaphragm 10, so that the diaphragm pump is at work, it can be by the diaphragm 10 to the disengaging hydraulic pressure
The pressure difference of the continuous variation and generation of 201 volume of cavity on plate 20, to realize the function of being pressurized draining of the diaphragm pump.It needs
Bright, the cavity 201 of different number corresponds to suction amount different when the diaphragm pump work on the disengaging hydraulic pressure plate 20, this
The quantity of the cavity 201 of the enterprising water outlet pressing plate 20 of the diaphragm pump of embodiment is set as 5.
Referring to Figure 4 together, Fig. 7, present embodiment pass in and out hydraulic pressure plate 20 in the mouth periphery of each cavity 201
Be enclosed with rib 23 respectively, and the rib 23 of the disengaging hydraulic pressure plate 20 can squeeze the diaphragm 10 and with the diaphragm
10 contact, and can squeeze the deformation of diaphragm 10 by the rib 23 specifically to realize sealing.So that the disengaging
Each self-forming seal chamber of each cavity 201 on hydraulic pressure plate 20, prevents water from leaking into another cavity 201 from a cavity 201, with
This plays and prevents the disengaging hydraulic pressure plate 20 there is a phenomenon where interior leakages with the diaphragm 10, and then ensures the diaphragm pump
Suction performance.
Wherein, the disengaging hydraulic pressure plate 20 offers the first annular groove 24 in the periphery of multiple cavities 201, in multiple institutes
Interior enclose for stating cavity 201 offers the second annular groove 25, offers bar groove at the position between the cavity 201 described in each adjacent two
26, wherein the bar groove 26 is connected to first annular groove 24 and second annular groove 25 respectively；Correspondingly, the diaphragm 10
On be provided with the first rib 11, the second rib 12 and third rib 13, first rib 11 is abutted with first annular groove 24
Cooperation, second rib 12 are contacted with second annular groove 25, and the third rib 13 is abutted with the bar groove 26 matches
It closes.That is, each cavity 201 also passes through first rib 11 and described the on the disengaging hydraulic pressure plate 20 of present embodiment
One annular groove 24, second rib 12 between second annular groove 25 and the third rib 13 and the bar groove 25
It contacts to be sealed respectively, so as to improve the sealing effect between each cavity 201 on the disengaging hydraulic pressure plate 20, has
Preventing the disengaging hydraulic pressure plate 20 to effect, there is a phenomenon where interior leakages with the diaphragm 10.It should be noted that the disengaging
The quantity of bar groove 26 and the quantity of cavity 201 on the disengaging hydraulic pressure plate 20 are arranged in a one-to-one correspondence on hydraulic pressure plate 20.
Further, the disengaging hydraulic pressure plate 20 is provided with convex ribs 27, the diaphragm in the periphery of first annular groove 24
Fluted 14 are opened up on piece 10, the convex ribs 27 are contacted with the groove 14.So that the disengaging hydraulic pressure plate 20 with it is described
Assembly sealing can also be carried out by contacting between the convex ribs 27 and the groove 14 between diaphragm 10, further
Improve the sealing effect between the disengaging hydraulic pressure plate 20 and the diaphragm 10.
In the present embodiment, the first annular groove 24, the second annular groove 25, bar groove 26 and convex ribs 27 on the disengaging hydraulic pressure plate 20
Direction along it is described disengaging hydraulic pressure plate 20 vertical direction setting, and the disengaging hydraulic pressure plate 20 and the diaphragm 10 application
The compression fit on diaphragm pump, the disengaging hydraulic pressure plate 20 and direction of interaction force is when 10 compression fit of diaphragm
The vertical direction of the disengaging hydraulic pressure plate 20, so that the disengaging hydraulic pressure plate 20 is bonded more when mutually assembling with the diaphragm 10
Step up close, it is not easy to generate gap, and then improve the sealing when disengaging hydraulic pressure plate 20 is mutually assembled with the diaphragm 10
Effect.
Also referring to Fig. 8, Fig. 9, the diaphragm pump of present embodiment passes through reasonable structure setting, it is ensured that the disengaging
The sealing mutually assembled between hydraulic pressure plate 20 and the diaphragm 10 and the disengaging hydraulic pressure plate 20 and the pump cover 30 is imitated
Fruit, it is therefore prevented that diaphragm pump applies the interior leakage and outer leakage occurred in water purifier use, and then plays and prevent because of winks such as water hammers
When high pressure caused by leakage problems.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of diaphragm pump, including diaphragm, disengaging hydraulic pressure plate, pump cover and sealing ring, the diaphragm and the disengaging hydraulic pressure
Plate is equipped with, and the position between the disengaging hydraulic pressure plate and the pump cover, and the disengaging hydraulic pressure is arranged in the sealing ring
Plate and the pump cover carry out assembly sealing by the sealing ring；It is characterized by: being provided with rank on the inner sidewall of the pump cover
Terraced annular groove is provided with annular convex platform on the sealing ring, for matching the ladder annular groove on the pump cover；The disengaging hydraulic pressure plate
The sealing ring can be squeezed and the pump cover forms two sealing positions, one of sealing position is ring on the sealing ring
Contacting between ladder annular groove on shape boss and the pump cover, another sealing position are that inclined-plane abuts sealing.
2. diaphragm pump according to claim 1, it is characterised in that: the ladder annular groove of the pump cover has two parallel ranks
Terraced groove face is respectively defined as the first ladder groove face and the second ladder groove face；There are two steps for the annular convex platform tool of the sealing ring
Face is respectively defined as First terrace and second step face；The First terrace is contacted with the first ladder groove face,
The second step face is contacted with the second ladder groove face.
3. diaphragm pump according to claim 1, it is characterised in that: the outer peripheral surface of the sealing ring is set as inclined plane shape knot
Structure, the internal diameter side for matching outer peripheral surface on the sealing ring is provided on the pump cover, and the disengaging hydraulic pressure plate can squeeze
The outer peripheral surface of the sealing ring is pressed to stick on the internal diameter side of the pump cover.
4. diaphragm pump according to claim 3, it is characterised in that: the inner peripheral surface of the sealing ring is set as inclined plane shape knot
Structure, it is described to pass in and out the outer diameter side being provided on hydraulic pressure plate for matching inner peripheral surface on the sealing ring, the disengaging hydraulic pressure plate
The sealing ring can be squeezed by the cooperation between the outer diameter side and the inner peripheral surface.
5. diaphragm pump according to claim 4, it is characterised in that: the gradient phase of outer peripheral surface and inner peripheral surface on the sealing ring
Deng.
6. diaphragm pump according to claim 5, it is characterised in that: the outer peripheral surface of the sealing ring and the gradient of inner peripheral surface are
3°-8°。
7. diaphragm pump according to claim 4, it is characterised in that: the sealing ring is provided with above the inner peripheral surface
Third step surface is provided with step mating surface on the disengaging hydraulic pressure plate, and the third step surface is supported with the step mating surface
Connect cooperation.
8. diaphragm pump according to claim 1, it is characterised in that: the disengaging hydraulic pressure plate has multiple cavities, wherein institute
It states disengaging hydraulic pressure plate and is enclosed with rib respectively in the mouth periphery of each cavity, the rib of the disengaging hydraulic pressure plate can squeeze
It presses the diaphragm and is contacted with the diaphragm.
9. diaphragm pump according to claim 8, it is characterised in that: the disengaging hydraulic pressure plate is in the periphery of multiple cavities
The first annular groove is offered, is enclosed in multiple cavities and offers the second annular groove, between the cavity described in each adjacent two
Position offers bar groove respectively, wherein the bar groove is connected to first annular groove and second annular groove respectively；The diaphragm
On piece is provided with the first rib, the second rib and third rib, and first rib is contacted with first annular groove, described
Second rib is contacted with second annular groove, and the third rib is contacted with the bar groove.
10. diaphragm pump according to claim 9, it is characterised in that: the disengaging hydraulic pressure plate is in the outer of first annular groove
It encloses and is provided with convex ribs, open up fluted on the diaphragm, the convex ribs are contacted with the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910453177.XA CN110107484A (en) | 2019-05-28 | 2019-05-28 | Diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910453177.XA CN110107484A (en) | 2019-05-28 | 2019-05-28 | Diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110107484A true CN110107484A (en) | 2019-08-09 |
Family
ID=67492687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910453177.XA Pending CN110107484A (en) | 2019-05-28 | 2019-05-28 | Diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110107484A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101676562A (en) * | 2008-09-18 | 2010-03-24 | 徐兆火 | Leak stoppage structure of diaphragm pump head cover body |
| CN105114297A (en) * | 2015-09-10 | 2015-12-02 | 珠海格力电器股份有限公司 | Seal structure of diaphragm pump head cover |
| CN105134563A (en) * | 2015-09-25 | 2015-12-09 | 珠海凯邦电机制造有限公司 | Stabilized pressure pump, pump casing sealing structure of stabilized pressure pump and water purifier |
| CN210106128U (en) * | 2019-05-28 | 2020-02-21 | 宁波佳音机电科技股份有限公司 | Diaphragm pump |
-
2019
- 2019-05-28 CN CN201910453177.XA patent/CN110107484A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101676562A (en) * | 2008-09-18 | 2010-03-24 | 徐兆火 | Leak stoppage structure of diaphragm pump head cover body |
| CN105114297A (en) * | 2015-09-10 | 2015-12-02 | 珠海格力电器股份有限公司 | Seal structure of diaphragm pump head cover |
| CN105134563A (en) * | 2015-09-25 | 2015-12-09 | 珠海凯邦电机制造有限公司 | Stabilized pressure pump, pump casing sealing structure of stabilized pressure pump and water purifier |
| CN210106128U (en) * | 2019-05-28 | 2020-02-21 | 宁波佳音机电科技股份有限公司 | Diaphragm pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210106128U (en) | Diaphragm pump | |
| CN110107484A (en) | Diaphragm pump | |
| CN105089994A (en) | Valveless piezoelectric pump for double-cantilever oscillator | |
| CN105545715A (en) | Marsh gas compressor good in leakproofness | |
| CN216199410U (en) | Novel oil cylinder piston sealing structure | |
| CN109667785A (en) | A kind of sealing structure of automatic coupling device | |
| CN217381694U (en) | Sealing structure of valve device and valve device | |
| CN218760341U (en) | Valve plate structure of oilless air compressor | |
| CN212360152U (en) | Diaphragm pump check valve structure | |
| CN211692771U (en) | Noise reduction type micro piston pump | |
| CN216157877U (en) | Miniature high-pressure liquid pump with valve block seal structure | |
| CN207960874U (en) | Micro-piston pump | |
| CN106762577A (en) | A kind of diaphragm air pump | |
| CN110131139B (en) | Multi-chamber constant-flow diaphragm pump | |
| CN203394750U (en) | Novel diaphragm compressor | |
| CN207728537U (en) | A kind of miniature diaphragm gas pump | |
| CN216842841U (en) | Novel nitrogen spring of high leakproofness | |
| CN205638898U (en) | Steady voltage pump is with business turn over water valve body | |
| CN110159632A (en) | Fastening bolt and clamp device | |
| CN205478228U (en) | Steady voltage pump | |
| CN212360119U (en) | Diaphragm pump runner seal structure | |
| CN220955987U (en) | Diaphragm pump with non-return function | |
| CN218953526U (en) | Firing pin type valve and gas booster pump with same | |
| CN212960315U (en) | Sealing connection structure for pump valve pipeline | |
| CN208252333U (en) | Suitable for bonding the fluid on-off control mechanism of agent producing process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |