CN109356830A - A kind of RO pump of preventing water leakage - Google Patents
A kind of RO pump of preventing water leakage Download PDFInfo
- Publication number
- CN109356830A CN109356830A CN201811345929.2A CN201811345929A CN109356830A CN 109356830 A CN109356830 A CN 109356830A CN 201811345929 A CN201811345929 A CN 201811345929A CN 109356830 A CN109356830 A CN 109356830A
- Authority
- CN
- China
- Prior art keywords
- motor
- upper cover
- sealing
- lower cover
- pump head
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 238000007789 sealing Methods 0.000 claims abstract description 128
- 238000001514 detection method Methods 0.000 claims description 63
- 238000009434 installation Methods 0.000 claims description 17
- 239000003292 glue Substances 0.000 claims description 13
- 238000012360 testing method Methods 0.000 claims description 12
- 239000000565 sealant Substances 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 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
- 238000005086 pumping Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- 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
- F04B43/04—Pumps having electric drive
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- 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
- F04B43/0009—Special features
-
- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/10—Other safety measures
-
- 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
-
- 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
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
Abstract
The invention discloses a kind of RO of preventing water leakage pump, after solving diaphragm breakage at this stage, the problem of leak damages bottom plate and ground object occurs for RO pump.Its key points of the technical solution are that a kind of RO of preventing water leakage is pumped, by the way that the first sealing structure is arranged in the junction of motor upper cover and pump head shell, third sealing structure is arranged in the junction that second seals structure and motor housing and motor lower cover is arranged in the junction of motor upper cover and motor housing, to the whole preventing water leakage performance of the RO pump for that entire preventing water leakage of refreshing oneself, avoid because there is a phenomenon where leak generations for RO pump after diaphragm breakage.
Description
Technical field
The present invention relates to a kind of RO pumps, pump more particularly to a kind of RO of preventing water leakage.
Background technique
It is reverse osmosis diaphragm booster pump that RO, which pumps full name, has the function of self-priming and pressurization, is the key that RO water purifier is important
One of component.RO pump mainly includes RO pump head and driving motor, and the diaphragm of one piece with driving motor face is provided on RO pump head
Piece, the output end of driving motor, which is equipped with a bias and waves wheel and wave close-fitting three cam of wheel with bias, fetches water group
Part, when driving motor driving bias waves wheel operation, three cams bracket component of fetching water moves reciprocatingly, to drive RO pump head
In diaphragm move reciprocatingly, thus realize RO pump self-priming and pressurization function.
At this stage, RO pump belongs to vulnerable part in the application interval diaphragm of RO water purifier, after diaphragm impaired rupture, RO pump
In water can be revealed from the crack of diaphragm and flow to RO water purifier where room ground on, to other objects on ground
Or floor damages, and wastes a large amount of water, therefore needs to develop a kind of RO pump of preventing water leakage at this stage.
Summary of the invention
The object of the present invention is to provide a kind of RO of preventing water leakage pumps, and after diaphragm breakage, water leakage will not occur for RO pump,
Avoid the water of leakage on ground object or floor damage.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of RO pump of preventing water leakage, including RO pump head, driving motor be installed on driving motor output end and with the cooperation of RO pump head
Three cams are fetched water bracket component, and the RO pump head includes pump head shell, the intracorporal control volume of installation pump head shell and diaphragm, described
Driving motor includes electric machine casing, the rotor and stator for being installed on electric machine casing, and the electric machine casing includes motor upper cover, motor
Shell and motor lower cover, the motor upper cover have the output through-hole that the shaft for rotor passes through, the motor upper cover and pump head
It is formed with after shell connection and fetches water the first airtight chamber of bracket component installation for three cams, the motor upper cover and pump head shell
Junction is provided with the first sealing structure for preventing the indoor water of the first closed chamber from revealing from the two junction；On the motor
Lid, motor housing are formed with the second airtight chamber for rotor and stator installation after connecting with motor lower cover；The motor upper cover
The the second sealing knot for preventing the indoor water of the second seal chamber from revealing from the junction of the two is provided with the junction of motor housing
Structure；The junction of the motor lower cover and electrolysis shell, which is provided with, prevents the indoor water of the second seal chamber from letting out from the junction of the two
The third sealing structure of dew.
RO pump is mainly made of RO pump head, driving motor and three cams bracket component of fetching water, wherein driving motor includes again
Motor upper cover, motor housing and motor lower cover, after the diaphragm in RO pump head occurs damaged, the water in RO pump head can pass through electricity
Machine upper cover and the connection gap of RO pump head, the connection gap of motor upper cover and motor housing, motor housing and motor lower cover company
Seam gap is revealed.Since RO pump is applied on RO water purifier, so that the water entered in RO pump inherently has one
Fixed hydraulic pressure, under certain hydraulic pressure, RO hydraulic pressure of the pump within the unit time or bigger.
The present invention by the first sealing structure of setting, second seals structure and third sealing structure respectively to motor upper cover and
The connection gap of RO pump head, the connection gap of motor upper cover and motor housing, the connection gap of motor housing and motor lower cover into
Row sealing carries out whole sealing to pump to RO, it is therefore prevented that water is revealed from above three connection gap, to solve
The water revealed after RO pump interval diaphragm breakage can the damage caused by the object and bottom plate on ground.
In the prior art, a kind of water-leakage protecting device can be arranged in existing water purifier, for solve RO pump reveal after
To on ground object and floor damage the problem of, specific technical solution is as described below: by the bottom that RO is pumped be arranged it is recessed
Shape slot, and sensor is installed in baltimore groove, and one solenoid valve is set in the water inlet end of RO pump, when RO pump leaks
When, the water that RO pump leaks can gather in baltimore groove, and be mounted sensor and detect, control electricity by control circuit
Magnet valve is closed.Since above-mentioned technical proposal is feasible, and solves after RO pump is revealed and cause damages to a certain extent
The problem of, therefore promoted by RO water purifier industry, so that generally being used on solving above-mentioned technical problem at this stage
It is water-leakage protecting device, R&D direction also predominantly changes baltimore groove, sensor, solenoid valve and relevant control circuit
Into generating certain limitation to a certain extent.
Although above-mentioned water-leakage protecting device can pump RO and carry out leak protection, this leak protection structure is used
The related elements such as sensor, baltimore groove and solenoid valve increase water purifier cost to a certain extent；And the present inventor
Technology prejudice is overcome, pumps in itself from RO, using more traditional mechanical seal structure, RO pump is solved and leaks
The problem of water, and the sealing performance of above-mentioned first sealing structure, second seals structure and third sealing structure is more reliable
Stablize.
As a further improvement of the present invention, the pump head shell and motor upper cover are bolted by least three first
Fixed, the pump head shell has the first through hole that the screw rod for the first bolt passes through, and the motor upper cover has leads to first
One-to-one first threaded hole in hole；First sealing structure includes being opened in the end being affixed in motor upper cover with pump head shell
The first seal groove on face and the first sealing ring being installed in the first seal groove.
By using above-mentioned technical proposal, pump head shell and motor upper cover pass through first and are bolted fixation, this fixation
Mode structure is simple, and bonding strength is high；First sealing structure is by the way of the first seal groove and the first sealing ring, this sealing
Mode structure is simple, and sealing effect is ideal.
As a further improvement of the present invention, the bottom of the motor upper cover has the upper sealing at the top of insertion motor housing
Portion, the second seals structure include circumferential the second seal groove for being opened in upper cover sealing lateral wall and are installed on the second sealing
The outer ring of the second sealing ring in slot, second sealing ring is circumferentially abutted with motor housing inner wall；The top of the motor lower cover
Portion has the sealing portion at the top of insertion motor housing, and the third sealing structure includes circumferentially being opened in sealing portion lateral wall
Third seal groove and the third sealing ring that is installed in third seal groove, in the outer ring and motor housing of the third sealing ring
Wall circumferentially abuts.
By using above-mentioned technical proposal, second seals structure is by the way of the second seal groove and the second sealing ring, and
For three sealing structures by the way of third seal groove and third sealing ring, this sealing means structure is simple, and sealing effect is ideal.
As a further improvement of the present invention, the motor upper cover is connected with motor lower cover by least two screw rods solid
Fixed, the motor lower cover has a fixation counterbore passed through for screw rod, the motor upper cover have corresponded with fixed counterbore and
With the fixed bolt of screw flight cooperation；It is also provided at circumferentially spaced by least three between the upper sealing and motor housing
Upper cover screw be connected and fixed, the upper cover screw is respectively positioned on the top of the second sealing ring；The sealing portion and motor housing
Part is connected and fixed also by least three circumferentially spaced lower cover screws, and the lower cover screw is respectively positioned on third sealing ring
Lower section.
By using above-mentioned technical proposal, after diaphragm breakage, the water in RO pump head can flow to first annular seal space room
In the second sealed chamber, and make first annular seal space room and the indoor water of the second seal chamber that there is the hydraulic pressure at RO pump water inlet end,
So that the pressure that motor upper cover and motor lower cover are gone out the two by one from motor housing.Therefore, two are used first
Motor upper cover, motor housing and motor lower cover are connected and fixed by screw rod by fixed counterbore and fixed bolt, and are passed through respectively
Upper cover screw and lower cover screw are further connected and fixed motor upper cover and motor housing, motor lower cover and motor housing, ensure that
Motor upper cover, motor housing and motor lower cover will not be broken up by the hydraulic pressure of its internal leakage, it helps guarantee the second sealing knot
The sealing performance of structure and third sealing structure.
As a further improvement of the present invention, the motor upper cover has and connect with upper cover screw one-to-one first
Portion, the first connecting portion have the first threaded hole for cooperating with upper cover screw thread in the outside of upper sealing, and described first
Threaded hole is blind hole；The motor lower cover has to exist with the one-to-one second connecting portion of lower cover screw, the second connecting portion
The outside of sealing portion has the second threaded hole cooperated with lower cover screw thread, and second threaded hole is blind hole.
By using above-mentioned technical proposal, the setting of first connecting portion/second connecting portion can be avoided first annular seal space room
Interior water is connected by revealing in the installation gap of upper cover screw and lower cover screw, and by the way that first is arranged in motor upper cover
Second connecting portion is arranged in motor lower cover in portion, can guarantee the fastening ability of upper cover screw and lower cover screw.
As a further improvement of the present invention, injection has the fixation glue with the bonding of upper cover screw in first threaded hole；
Injection has the fixation glue with the bonding of lower cover screw in second threaded hole.
By using above-mentioned technical proposal, the setting of fixed glue can further promote consolidating for upper cover screw and lower cover screw
Capability, the probability for avoiding the first screw and the second screw from being detached from from first connecting portion/second connecting portion.
As a further improvement of the present invention, the motor lower cover has downwardly convex leading part, and the leading part exists
Towards the side of the second seal chamber there is the side lateral wall of wire lead slot and leading part to offer the lead being connected to wire lead slot to open
Mouthful, the motor lower cover is equipped with rubber sealing block in wire lead slot, and the rubber sealing block has the linear sealing of power supply machine power supply
The sealed passage passed through, the sealed passage have at least one bending part.
By using above-mentioned technical proposal, due to the connection of driving motor, being bound in motor lower cover, there are one
The port that power supply source line is pierced by.In the present invention by setting wire lead slot and rubber sealing block, power supply line is enabled to pass through rubber
Sealed passage in glue sealing block is pierced by from the second sealed chamber to outside driving motor.Since after diaphragm breakage, second is close
Sealing the indoor leakage water of chamber, there are certain hydraulic pressure, and rubber sealing block can be pressed on to lead trench bottom, to realize to lead
The sealing of opening, meanwhile, rubber sealing block has deformation to a certain extent in the presence of hydraulic pressure, at least due to sealed passage
With a bending part, so that power supply line can compress sealing in rubber sealing block, the close of rubber sealing block is further improved
Sealing property.
As a further improvement of the present invention, the motor lower cover has in the side towards the second seal chamber for rotor
The lower limit slot of lower bearing installation, the motor lower cover in the other side there is the detection counterbore being connected to lower limit slot and sealing to connect
The detection end cap being connected on detection counterbore, the detection end cap are removably mounted in detection counterbore.
The setting that counterbore and detection end cap are detected by using above-mentioned technical proposal, in motor lower cover can be used in detecting RO
Pump whether leak, when RO pump not at work, end cap can be will test and removed, if it find that there are certain water from detection counterbore
Middle leakage then proves that RO pump is revealed.
As a further improvement of the present invention, it is described detection end cap towards the second seal chamber side offer detection it is blind
Hole and the testing agency being installed at detection blind hole, the bottom of the detection blind hole are provided with logical through the detection for detecting end cap
Mouthful, the testing agency includes that sealing sliding is installed on the sliding head of detection blind hole, is set to sliding head and by detection port
It stretches out the detection lug of detection end cap and is connected to sliding head simultaneously and detects the compressed spring between blind hole.
By using above-mentioned technical proposal, the working principle of above-mentioned testing agency is as follows: the diaphragm in RO pump
It being damaged and the water in RO pump head is caused to reveal, then first annular seal space room and the second sealed chamber will be leaked water filling,
So that the sliding head of testing agency affords hydraulic pressure and compressed spring is driven to be compressed, while it is logical to make detection lug stretch out detection
The length of mouth gets a promotion.User can be pumped by RO in detection lug stretching length can directly judge RO pump whether deposit
It is leaking.
As a further improvement of the present invention, at the connection gap of the pump head shell and motor upper cover, motor upper cover and
It is coated with one layer of sealant layer at the connection gap of motor housing, at the connection gap of motor housing and motor lower cover, it is described
The width of sealant layer is not less than 1cm.
By using above-mentioned technical proposal, the setting of sealant layer can further promote the sealing performance of entire RO pump,
The probability revealed is pumped to reduce RO.
In conclusion the invention has the following advantages:
1, the RO pump of a kind of preventing water leakage, by the first sealing structure being arranged, in electricity in the junction of motor upper cover and pump head shell
The junction setting the of second seals structure and motor housing and motor lower cover is arranged in the junction of machine upper cover and motor housing
Three sealing structures, so that the whole preventing water leakage performance that the RO for that entire preventing water leakage of refreshing oneself is pumped, avoids because after diaphragm breakage
There is a phenomenon where leaks to occur for RO pump；
2, the upper sealing and motor housing of motor upper cover also pass through upper cover screw fix and the sealing portion of motor lower cover and
Motor housing is connected and fixed by lower cover screw, the globality of entire driving motor is able to ascend, when in first annular seal space room
There are when certain hydraulic pressure, motor upper cover, motor housing and motor lower cover in driving motor will not disintegrate because of leakage hydraulic pressure two；
3, the sealed passage that motor lower cover by setting leading part and rubber sealing block, rubber sealing block there is power supply source line to pass through
And sealed passage has at least one bending part, can prevent leakage water from passing through the leakage of the gap of sealed passage and power supply line；
4, motor lower cover is additionally provided with detection blind hole and testing agency, the RO of preventing water leakage can be pumped in first annular seal space room and the
Two sealed chambers are detected with the presence or absence of leak, to avoid pumping inner cavity there are booting up in the case where ponding in RO, are had
Help protect the driving motor that RO is pumped.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1；
Fig. 2 is the diagrammatic cross-section of embodiment 1；
Fig. 3 is the perspective view of the explosion of extensive region pump head shell and motor upper cover in embodiment 1；
Fig. 4 is the enlarged drawing in Fig. 2 at A；
Fig. 5 is the perspective view of the explosion of driving motor in embodiment 1；
Fig. 6 is the enlarged drawing in Fig. 2 at B；
Fig. 7 is the bottom substance schematic diagram of motor upper cover in embodiment 1；
Fig. 8 is the top structure schematic diagram of motor lower cover in embodiment 1；
Fig. 9 is the bottom substance schematic diagram of motor lower cover in embodiment 1；
Figure 10 is the enlarged drawing in Fig. 2 at C；
Figure 11 is the enlarged drawing in Fig. 2 at D；
Figure 12 is the diagrammatic cross-section of motor lower cover and testing agency in embodiment 2.
In figure: 1, RO pump head；11, pump head shell；111, pump head upper housing；111a, the first pump head fin；112, under pump head
Shell；112a, pump head seal groove；112b, pump head sealing ring；113, water supply connector；114, water outlet connector；115, installation cavity；
115a, water inlet chamber；115b, pressurized chamber；115c, water outlet chamber；116, pump head bulge loop；116a, the second pump head fin；117,
First through hole；12, control volume；13, diaphragm；131, it is pressurized protrusion；2, driving motor；21, electric machine casing；211, on motor
Lid；211a, fixed bolt；211b, upper sealing；211b1, the second seal groove；211b2, first connecting portion；211b3, the first spiral shell
Pit；211b4, the second sealing ring；211c, upper cover screw；212, motor housing；213, motor lower cover；213a, fixed counterbore；
213b, sealing portion；213b1, third seal groove；213b2, second connecting portion；213b3, the second threaded hole；213c, lower cover spiral shell
Nail；213d, third sealing ring；213e, leading part；213e1, wire lead slot；213e2, lead opening；213f, lower limit slot；
213g, detection counterbore；214, motor bulge loop；214a, the first seal groove；214b, the first sealing ring；215, the first bolt；216,
First threaded hole；216, screw rod；217, sealing ring；218, rubber sealing block；218a, sealed passage；218a1, bending part；219,
Detect end cap；219a, rotation card slot；219b, detection blind hole；219c, detection port；22, rotor；221, output shaft；23, fixed
Son；3, three cams are fetched water bracket component；31, eccentric wheel；32, it fetches water bearing；33, it fetches water part；331, it fetches water cam；41, first
Sealed chamber；42, the second airtight chamber；5, mounting bracket；51, fixed part；52, third screw；6, testing agency；61, it slides
Head；62, compressed spring；63, detection lug.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment 1:
Refering to attached drawing 1 and attached drawing 2, a kind of RO pump of preventing water leakage, including RO pump head 1, driving motor 2 and it is installed on driving motor 2
Output end and three cams cooperated with RO pump head 1 are fetched water bracket component 3.
Refering to attached drawing 2 and attached drawing 3, RO pump head 1 includes pump head shell 11,12 and of control volume being installed in pump head shell 11
Diaphragm 13, pump head shell 11 include pump head upper housing 111 and pump head lower case 112.Wherein, pump head upper housing 111 have into
Water swivel 113 and water outlet connector 114, and by being formed with an installation cavity 115 after cooperating with pump head lower case 112 and installing
115 lower end of cavity has fetches water the corresponding opening of bracket component 3 with three cams.
Control volume 12 and diaphragm 13 are mounted in the installation cavity 115 of pump head shell 11, and installation cavity 115 is separated
At three chambers, the water inlet chamber 115a that is respectively connected to water supply connector 113, between control volume 12 and diaphragm 13
The pressurized chamber 115b and water outlet chamber 115c being connected with water outlet connector 114.Wherein, water inlet chamber 115a and water outlet chamber
115c mutually separates, and the water in chamber 115a of intaking is merely able to by being entered in water outlet chamber 115c after pressurized chamber 115b.
RO pump head 1 has in total there are three pressurized chamber 115b, and diaphragm 13 has and increases correspondingly with three pressurized chamber 115b
Belling portion 131.
Diaphragm 13 separates the opening of 115 lower end of installation cavity, and the outer end edges of diaphragm 13 are along by pump head upper casing
Body 111 and pump head lower case 112 compress, so that the water at RO pump head 1 will not be from pump head upper housing 111 and pump head lower case 112
Seam in reveal.
Refering to attached drawing 2 to attached drawing 4, in order to further enhance the anti-leakage of pump head upper housing 111 and pump head lower case 112
Can, pump head sealing ring 112b is provided between pump head upper housing 111 and pump head lower case 112.Wherein, pump head lower case 112 exists
Towards pump head upper housing 111 surface and the outside for being located at diaphragm 13 and control volume 12 is being provided with a pump head seal groove
The 112a and pump head sealing ring 112b being installed in pump head seal groove 112a.Wherein, pump head upper housing 111 has seals with pump head
Enclose the first pump head fin 111a that 112b is corresponding and is pressed into pump head sealing ring 112b.
Refering to attached drawing 2 and attached drawing 5, driving motor 2 includes electric machine casing 21,22 and of rotor being installed in electric machine casing 21
Stator 23.Electric machine casing 21 includes motor upper cover 211, motor housing 212 and motor lower cover 213, and motor upper cover 211 is located at motor
Shell 212 is close to the side of RO pump head 1, and the output shaft 221 of rotor 22 is stretched out from motor upper cover 211, and three cams are fetched water bracket
Component 3(is refering to attached drawing 3) it is just mounted on the output shaft 221 of rotor 22.
Refering to attached drawing 2 and attached drawing 3, three cams fetch water bracket component 3 mainly including being installed on 2 output shaft 221 of driving motor
On eccentric wheel 31, the bearing 32 and being sheathed on of fetching water that is sheathed on eccentric wheel 31 fetch water the part 33 of fetching water in 32 outside of bearing,
Part 33 of fetching water include be set in the outside of bearing 32 of fetching water fetch water base ring and be set at the top of base ring and be pressurized protrusion 131 one by one
Corresponding cam 331 of fetching water.Wherein, cam 331 of fetching water is connected and fixed with protrusion 131 is pressurized by screw (not shown).
Refering to attached drawing 2 and attached drawing 3, in order to realize that three cams between protection driving motor 2 and RO pump head 1 are fetched water bracket group
Part 3, the bottom of pump head lower case 112 are provided with pump head bulge loop 116, and it is right with pump head bulge loop 116 that the top of motor upper cover 211 has
The motor bulge loop 214 that should be arranged.
Wherein, pump head shell 11 and motor upper cover 211 are connected and fixed by least three first bolts 215, pump head shell
11 have the first through hole 117 that the screw rod 216 for the first bolt 215 passes through, and motor upper cover 211 has and first through hole 117 1
One corresponding first threaded hole 211b3.In the present embodiment, pump head shell 11 and motor upper cover 211 pass through eight first bolts
215 are connected and fixed.
After pump head bulge loop 116 and motor bulge loop 214 are connected with each other, formed between motor upper cover 211 and pump head shell 11
There is the first annular seal space room 41 for supplying three cams to fetch water the installation of bracket component 3, and motor upper cover 211 and pump head lower case 112 connect
Place is provided with the first sealing structure for preventing the water in first annular seal space room 41 from revealing from the two junction.
Refering to attached drawing 2, attached drawing 3 and attached drawing 6, the first sealing structure includes being opened in motor upper cover 211 and pump head shell
The first seal groove 214a on 11 end faces being affixed, the first sealing ring 214b being installed in the first seal groove 214a and setting
In 112 bottom of pump head lower case and the first sealing ring 214b is compressed to the second pump head fin 116a deformed.
Attached drawing 2, attached drawing 7 and attached drawing 9 are participated in, motor upper cover 211, motor housing 212 and motor lower cover 213 are formed after connecting
There is the second airtight chamber 42 for rotor 22 and the installation of stator 23.Wherein, motor upper cover 211 and motor lower cover 213 are by least
Two two screw rods 216 are connected and fixed, and motor lower cover 213 has the fixation counterbore 213a passed through for screw rod 216, motor upper cover
211 have the fixed bolt 211a for corresponding and being threadedly engaged with screw rod 216 with fixed counterbore 213a.
Wherein, it is flowed out to reduce in gap of the indoor water of the second seal chamber by screw rod 216 and fixed counterbore 213a,
It is provided with sealing ring 217 in fixed counterbore 213a, sealing ring 217 is pressed on fixed counterbore 213a by screw rod 216 of screw rod 216
Cascaded surface on, realize the sealing to fixed counterbore 213a.
Refering to attached drawing 2 and attached drawing 10, the junction of motor upper cover 211 and motor housing 212, which is provided with, prevents the second sealing
The second seals structure that water in chamber 42 is revealed from the junction of the two.The bottom of motor upper cover 211 has insertion motor housing
The upper sealing 211b at 212 tops, second seals structure include circumferential the second seal groove for being opened in upper cover sealing lateral wall
211b1 and the second sealing ring 211b4 being installed in the second seal groove 211b1, outside the outer ring of the second sealing ring 211b4 and motor
212 inner wall of shell circumferentially abuts.
Refering to attached drawing 2, attached drawing 5 and attached drawing 7, also pass through at least three weeks between upper sealing 211b and motor housing 212
It is connected and fixed to spaced upper cover screw 211c, upper cover screw 211c is respectively positioned on the top of the second sealing ring 211b4.Motor
Upper cover 211 have with the one-to-one first connecting portion 211b2 of upper cover screw 211c, first connecting portion 211b2 is in upper sealing
It is blind hole that the outside of 211b, which has the first threaded hole 211b3, the first threaded hole 211b3 being threadedly engaged with upper cover screw 211c,.
Refering to attached drawing 2 and attached drawing 11, the junction of motor lower cover 213 and electrolysis shell, which is provided with, prevents the second sealed chamber
The third sealing structure that interior water is revealed from the junction of the two.There is insertion motor housing 212 to push up at the top of motor lower cover 213
The sealing portion 213b in portion, third sealing structure include the circumferential third seal groove for being opened in sealing portion 213b lateral wall
213b1 and the third sealing ring 213d being installed in third seal groove 213b1, the outer ring of third sealing ring 213d and motor housing
212 inner walls circumferentially abut.
Refering to attached drawing 5 and attached drawing 9, sealing portion 213b and motor housing 212 circumferentially-spaced are set also by least three
The lower cover screw 213c set is connected and fixed, and lower cover screw 213c is respectively positioned on the lower section of third sealing ring 213d.Motor lower cover 213 has
Have with the one-to-one second connecting portion 213b2 of lower cover screw 213c, the second connecting portion 213b2 is sealing portion 213b's
It is blind hole that outside, which has the second threaded hole 213b3, the second threaded hole 213b3 being threadedly engaged with lower cover screw 213c,.
In the present embodiment, it is connected and fixed between motor upper cover 211 and motor housing 212 by four the first screws, and
Injection has the fixation glue with upper cover screw 211c bonding in first threaded hole 211b3；Motor lower cover 213 and motor housing 212 it
Between be connected and fixed also by four the first screws；Injection has the fixation with lower cover screw 213c bonding in second threaded hole 213b3
Glue.The fixation glue in fixation glue and the second threaded hole 213b3 in first threaded hole 211b3, be able to ascend motor upper cover 211,
The installation strength of motor housing 212 and motor lower cover 213.
Refering to attached drawing 8 and attached drawing 9, motor lower cover 213 has downwardly convex leading part 213e, and leading part 213e is in direction
There is the side lateral wall of wire lead slot 213e1 and leading part 213e to offer and wire lead slot 213e1 company for the side of second seal chamber
Logical lead opening 213e2.Motor lower cover 213 is equipped with rubber sealing block 218, rubber sealing block 218 in wire lead slot 213e1
Sealed passage 218a with power supply machine power supply line hermetically passing, sealed passage 218a have at least one bending part 218a1.?
In the present embodiment, motor lower cover 213 has two power supply lines, so that there are two the sealings being parallel to each other for the tool of rubber sealing block 218
Channel 218a, and two sealed passage 218a all have a bending part 218a1.
Motor lower cover 213 has the lower limit slot of the lower bearing installation for rotor 22 in the side towards the second seal chamber
213f, motor lower cover 213 have in the other side and the lower limit slot 213f detection counterbore 213g being connected to and are sealedly attached to detection
Detection end cap 219 on counterbore 213g.Wherein, detection end cap 219 and detection counterbore 213g are threadedly coupled, and detect end cap 219
Bottom have sheet and facilitate rotation detection end cap 219 rotation card slot 219a.
Refering to attached drawing 5, motor housing 212 is additionally provided with a mounting bracket 5, and mounting bracket 5 has and motor housing 212
The fixed part 51 to fit, fixed part 51 are threadedly secured on 212 body of motor housing by third screw 52.Motor in order to prevent
There are leak gaps for the threaded hole being threadedly engaged in shell 212 with third screw 52, therefore squeeze into threaded hole in third screw 52
Before interior, marine glue can be smeared in threaded hole, and after third screw 52 is squeezed into, in the screw thread of the inner wall of motor housing 212
Marine glue is smeared at hole.
Embodiment 2:
In conjunction with attached drawing 1 to attached drawing 11, the RO pump of one of the present embodiment preventing water leakage is in addition in detection end cap 219 and embodiment 1
Preventing water leakage RO pump it is different outer, remaining structure feature is identical as in embodiment 1.
And combining detection end cap 219 and detection the counterbore 213g refering to attached drawing 12, in the present embodiment is also to be threadedly coupled to match
It closes, and detects end cap 219 and offer detection blind hole 219b in the side towards the second sealing 42 and be installed on detection blind hole 219b
The testing agency 6 at place.The bottom of detection blind hole 219b is provided with the detection port 219c through detection end cap 219, testing agency 6
It is installed on the sliding head 61 of detection blind hole 219b including sealing sliding, is set to sliding head 61 and is stretched out by detection port 219c
It detects the detection lug 63 of end cap 219 and is connected to sliding head 61 simultaneously and detects the compressed spring 62 between blind hole 219b.Its
In, detection lug 63 and detection through-hole are adapted, and the rotation of detection end cap 219 can be realized by rotating detection lug 63.
In the present embodiment, detection lug 63 is disposed with zone of alarm and normal area along the direction far from sliding head 61, and
Zone of alarm outer surface takes on a red color, and normal area outer surface is in green.Under normal conditions, under the action of compressed spring 62, zone of alarm is located at
It detects on the inside of port 219c；When in the second sealed chamber there are water leakage and be in high pressure conditions when, the second seal chamber is indoor
Hydraulic pressure will slide head 61 and compress downwards, and zone of alarm is extruded detection port 219c, the diaphragm in warning user RO pump
13 is damaged.
Embodiment 3:
The RO of one of the present embodiment preventing water leakage is pumped other than being additionally provided with sealant layer, remaining structure with embodiment 2
Preventing water leakage RO pump is identical.
One of the present embodiment preventing water leakage RO is pumped at the connection gap of pump head shell 11 and motor upper cover 211, motor
It is coated at upper cover 211 and the connection gap of motor housing 212, at the connection gap of motor housing 212 and motor lower cover 213
One layer of sealant layer, wherein the width of sealant layer is not less than 1cm.
Embodiment 4:
The RO of one of the present embodiment preventing water leakage is pumped other than being additionally provided with seal rubber sleeve, remaining structure with embodiment 2
Preventing water leakage RO pump is identical.
The RO pump of one of the present embodiment preventing water leakage installs outer at rear in group, is coated with one layer of sealing in its outer surface
Glue forms the seal rubber sleeve integrally arranged, and seal rubber sleeve is at detection end cap 219, water supply connector 113 and water outlet connector 114
It is provided with port, to guarantee the normal work of the RO pump of preventing water leakage.
Since seal rubber sleeve is wholely set, so that seal rubber sleeve improves the structural strength of entire preventing water leakage RO pump,
After 13 breakage of diaphragm in RO pump, the water in pump head enters in first annular seal space room 41 and the second sealed chamber and has
Certain pressure, seal rubber sleeve are able to maintain the whole of pump oil shell, motor upper cover 211, motor housing 212 and motor lower cover 213
Body reduces the probability that disintegration or leak occur for RO pump.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of RO of preventing water leakage is pumped, including RO pump head (1), driving motor (2), be installed on driving motor (2) output end and with
Three cams of RO pump head (1) cooperation are fetched water bracket component (3), and the RO pump head (1) includes pump head shell (11), is installed on pump head
Control volume (12) and diaphragm (13) in shell (11), the driving motor (2) include electric machine casing (21), are installed on motor
The rotor (22) and stator (23) of shell (21), the electric machine casing (21) include motor upper cover (211), motor housing (212)
With motor lower cover (213), the motor upper cover (211) has the output through-hole that the shaft for rotor (22) passes through, and feature exists
In,
The motor upper cover (211) and pump head shell (11) connection after be formed with for three cams fetch water bracket component (3) installation
First airtight chamber；
The motor upper cover (211) and pump head shell (11) junction, which are provided with, prevents the indoor water of the first closed chamber from connecting from the two
Connect the first sealing structure of place's leakage；
It is formed with for rotor (22) and determines after the motor upper cover (211), motor housing (212) and motor lower cover (213) connection
Second airtight chamber (42) of sub (23) installation；
The junction of the motor upper cover (211) and motor housing (212), which is provided with, prevents the indoor water of the second seal chamber from two
The second seals structure of the junction leakage of person；
The motor lower cover (213) and the junction for being electrolysed shell, which are provided with, prevents company of the indoor water of the second seal chamber from the two
Connect the third sealing structure of place's leakage.
2. a kind of RO of preventing water leakage according to claim 1 is pumped, which is characterized in that on the pump head shell (11) and motor
Lid (211) is connected and fixed by least three first bolts (215), and the pump head shell (11), which has, supplies the first bolt (215)
The first through hole (117) that passes through of screw rod (216), the motor upper cover (211) has one-to-one with first through hole (117)
First threaded hole (211b3)；First sealing structure includes being opened in motor upper cover (211) to be affixed with pump head shell (11)
End face on the first seal groove (214a) and the first sealing ring (214b) for being installed in the first seal groove (214a).
3. a kind of RO of preventing water leakage according to claim 1 is pumped, which is characterized in that the bottom of the motor upper cover (211)
With the upper sealing (211b) at the top of insertion motor housing (212), the second seals structure includes circumferentially being opened in upper cover
The second seal groove (211b1) of sealing lateral wall and the second sealing ring being installed in the second seal groove (211b1)
The outer ring of (211b4), second sealing ring (211b4) are circumferentially abutted with motor housing (212) inner wall；The motor lower cover
(213) top has the sealing portion (213b) at the top of insertion motor housing (212), and the third sealing structure includes circumferential
For being opened in the third seal groove (213b1) of sealing portion (213b) lateral wall and being installed in third seal groove (213b1)
The outer ring of three sealing rings (213d), the third sealing ring (213d) is circumferentially abutted with motor housing (212) inner wall.
4. a kind of RO of preventing water leakage according to claim 3 is pumped, which is characterized in that the motor upper cover (211) and motor
Lower cover (213) is connected and fixed by least two screw rods (216), and the motor lower cover (213) has to be passed through for screw rod (216)
Fixed counterbore (213a), the motor upper cover (211) have corresponded with fixed counterbore (213a) and with screw rod (216) screw thread
The fixed bolt (211a) of cooperation；It is also circumferential by least three between the upper sealing (211b) and motor housing (212)
Spaced upper cover screw (211c) is connected and fixed, and the upper cover screw (211c) is respectively positioned on the second sealing ring (211b4)
Top；The sealing portion (213b) and motor housing (212) part are also by least three circumferentially spaced lower cover screws
(213c) is connected and fixed, and the lower cover screw (213c) is respectively positioned on the lower section of third sealing ring (213d).
5. a kind of RO of preventing water leakage according to claim 4 is pumped, which is characterized in that the motor upper cover (211) have with
The one-to-one first connecting portion (211b2) of upper cover screw (211c), the first connecting portion (211b2) is in upper sealing
The outside of (211b) has the first threaded hole (211b3) being threadedly engaged with upper cover screw (211c), first threaded hole
(211b3) is blind hole；The motor lower cover (213) has and lower cover screw (213c) one-to-one second connecting portion
(213b2), the second connecting portion (213b2) has in the outside of sealing portion (213b) matches with lower cover screw (213c) screw thread
The second threaded hole (213b3) closed, second threaded hole (213b3) are blind hole.
6. a kind of RO of preventing water leakage according to claim 5 is pumped, which is characterized in that in first threaded hole (211b3)
Injection has the fixation glue with upper cover screw (211c) bonding；There is and lower cover screw injection in second threaded hole (213b3)
The fixation glue of (213c) bonding.
7. a kind of RO of preventing water leakage according to claim 1 is pumped, which is characterized in that the motor lower cover (213) have to
The leading part (213e) of lower convexity, the leading part (213e) have wire lead slot (213e1) in the side towards the second seal chamber
And the side lateral wall of leading part (213e) offers the lead opening (213e2) being connected to wire lead slot (213e1), the motor
Lower cover (213) is equipped with rubber sealing block (218) in wire lead slot (213e1), and the rubber sealing block (218) has power supply machine
The sealed passage (218a) of power supply line hermetically passing, the sealed passage (218a) have at least one bending part (218a1).
8. a kind of RO of preventing water leakage according to claim 1 is pumped, which is characterized in that the motor lower cover (213) is in direction
The side of second seal chamber has the lower limit slot (213f) of the lower bearing installation for rotor (22), the motor lower cover (213)
There is the detection counterbore (213g) being connected to lower limit slot (213f) in the other side and be sealedly attached in detection counterbore (213g)
Detection end cap (219), the detection end cap (219) be removably mounted to detection counterbore (213g) in.
9. a kind of RO of preventing water leakage according to claim 8 is pumped, which is characterized in that the detection end cap (219) is in direction
The testing agency (6) that the side of second seal chamber offers detection blind hole (219b) and is installed at detection blind hole (219b), institute
The bottom for stating detection blind hole (219b) is provided with the detection port (219c) through detection end cap (219), the testing agency (6)
The sliding head (61) of detection blind hole (219b) is installed on including sealing sliding, is set to sliding head (61) and by detection port
(219c) stretch out detection end cap (219) detection lug (63) and be connected to simultaneously sliding head (61) and detect blind hole (219b) it
Between compressed spring (62).
10. a kind of RO of preventing water leakage according to claim 1 is pumped, which is characterized in that the pump head shell (11) and motor
At the connection gap of upper cover (211), at the connection gap of motor upper cover (211) and motor housing (212), motor housing (212)
Be coated with one layer of sealant layer at the connection gap of motor lower cover (213), the width of the sealant layer is not less than 1cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811345929.2A CN109356830A (en) | 2018-11-13 | 2018-11-13 | A kind of RO pump of preventing water leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811345929.2A CN109356830A (en) | 2018-11-13 | 2018-11-13 | A kind of RO pump of preventing water leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109356830A true CN109356830A (en) | 2019-02-19 |
Family
ID=65344817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811345929.2A Pending CN109356830A (en) | 2018-11-13 | 2018-11-13 | A kind of RO pump of preventing water leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109356830A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111835173A (en) * | 2019-04-15 | 2020-10-27 | 宁波利佳青石电气科技有限公司 | RO pump of outer rotor brushless motor |
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| US20070101860A1 (en) * | 2005-11-08 | 2007-05-10 | Hsu Chao F | Method and structure of preventing water from leakage for the pressurized pump of diaphragm type |
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| CN111835173A (en) * | 2019-04-15 | 2020-10-27 | 宁波利佳青石电气科技有限公司 | RO pump of outer rotor brushless motor |
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