CN209385319U - A kind of RO pump of preventing water leakage - Google Patents

Abstract

The utility model 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

A kind of RO pump of preventing water leakage

Technical field

The utility model 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 Where water in pump can leak from the crack of diaphragm and flow to RO water purifier on the ground in room, to other objects on ground Part or floor damage, and waste a large amount of water, therefore need to develop a kind of RO pump of preventing water leakage at this stage.

Utility model content

The purpose of the utility model is to provide a kind of RO of preventing water leakage pumps, and after diaphragm breakage, water will not occur for RO pump Leakage, avoid the water of leakage on ground object or floor damage.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of RO pump of preventing water leakage, including RO pump head, driving motor are installed on driving motor output end and match with RO pump head Three cams closed 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, The driving motor includes electric machine casing, the rotor and stator for being installed on electric machine casing, the electric machine casing include motor upper cover, Motor housing and motor lower cover, the motor upper cover have the output through-hole that passes through of shaft for rotor, the motor upper cover and It is formed with after the connection of pump head shell and fetches water the first airtight chamber of bracket component installation for three cams, the motor upper cover and pump head Housing junction is provided with the first sealing structure for preventing the indoor water of the first closed chamber from leaking from the two junction；The motor Upper cover, motor housing are formed with the second airtight chamber for rotor and stator installation after connecting with motor lower cover；On the motor The junction of lid and motor housing is provided with the second sealing for preventing the indoor water of the second seal chamber from leaking from the junction of the two 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 the junction of the two The third sealing structure of leakage.

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 leaks.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 utility model is by the first sealing structure of setting, second seals structure and third sealing structure respectively on motor Lid and the connection gap of RO pump head, the connection gap of motor upper cover and motor housing, motor housing and motor lower cover connecting sewing Gap is sealed, and carries out whole sealing to pump to RO, it is therefore prevented that and water is leaked from above three connection gap, thus Solving the water leaked 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 leak 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 bump leakage comes out 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 leaks 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 reality of the utility model Technology prejudice is overcome with novel people, is solved from RO pump in itself using more traditional mechanical seal structure There is the problem of leak, and the waterproof seal of above-mentioned first sealing structure, second seals structure and third sealing structure in RO pump It can be more reliable and stable.

The pump head shell and motor upper cover pass through at least three first bolts as a further improvement of the utility model, It is connected and fixed, the pump head shell has the first through hole that passes through of screw rod for the first bolt, and the motor upper cover has and the One-to-one first threaded hole of one through-hole；First sealing structure includes being opened in motor upper cover to be affixed with pump head shell End face on the first seal groove and the first sealing ring for 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.

The bottom of the motor upper cover has upper at the top of insertion motor housing as a further improvement of the utility model, Sealing, the second seals structure include circumferential the second seal groove for being opened in upper cover sealing lateral wall and are installed on second The outer ring of the second sealing ring in seal groove, second sealing ring is circumferentially abutted with motor housing inner wall；The motor lower cover Top there is the sealing portion at the top of insertion motor housing, the third sealing structure includes circumferential is opened in outside sealing portion The third seal groove of side wall and the third sealing ring being installed in third seal groove, outside the outer ring of the third sealing ring and motor Shell inner 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.

The motor upper cover is connected with motor lower cover by least two screw rods as a further improvement of the utility model, Fixed, the motor lower cover has the fixation counterbore passed through for screw rod, and the motor upper cover has to be corresponded with fixed counterbore And the fixed bolt with screw flight cooperation；It also circumferentially-spaced is set by least three between the upper sealing and motor housing The upper cover screw set is connected and fixed, and the upper cover screw is respectively positioned on the top of the second sealing ring；Outside the sealing portion and motor Shells 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.

The motor upper cover has as a further improvement of the utility model, connects with upper cover screw one-to-one first Socket part, the first connecting portion have the first threaded hole for cooperating with upper cover screw thread in the outside of upper sealing, and described the One threaded hole is blind hole；The motor lower cover has and the one-to-one second connecting portion of lower cover screw, the second connecting portion There is the second threaded hole cooperated with lower cover screw thread in the outside of sealing portion, 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 leaking 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.

Injection has the fixation with the bonding of upper cover screw in first threaded hole as a further improvement of the utility model, Glue；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.

The motor lower cover has downwardly convex leading part, the lead as a further improvement of the utility model, Portion in the side towards the second seal chamber there is the side lateral wall of wire lead slot and leading part to offer drawing of being connected to wire lead slot Line opening, the motor lower cover are equipped with rubber sealing block in wire lead slot, and the rubber sealing block has power supply machine power supply line The sealed passage of hermetically passing, 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 led to The sealed passage crossed in rubber sealing block is pierced by from the second sealed chamber to outside driving motor.Due to after diaphragm breakage, the There are certain hydraulic pressure for the indoor water leakage of two seal chambers, and rubber sealing block can be pressed on to lead trench bottom, thus realization pair The sealing of lead opening, meanwhile, rubber sealing block has deformation to a certain extent in the presence of hydraulic pressure, due to sealed passage At least there is a bending part further to improve rubber sealing block so that power supply line can compress sealing in rubber sealing block Sealing performance.

The motor lower cover has in the side towards the second seal chamber for turning as a further improvement of the utility model, The lower limit slot of the lower bearing installation of son, the motor lower cover have the detection counterbore that is connected to lower limit slot and close in the other side Envelope is connected to the detection end cap on detection counterbore, and the detection end cap is 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 leaks.

The detection end cap is offering inspection towards the side of the second seal chamber as a further improvement of the utility model, The bottom of the testing agency for surveying blind hole and being installed at detection blind hole, the detection blind hole is provided with the detection through detection end cap Port, the testing agency include sealing to slide be installed on the sliding head of detection blind hole, be set to sliding head and lead to by detecting Mouth 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 leak, then first annular seal space room and the second sealed chamber can be compromised 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 utility model, at the connection gap of the pump head shell and motor upper cover, on motor It is coated with one layer of sealant layer at the connection gap of lid and motor housing, at the connection gap of motor housing and motor lower cover, The width of the 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 leaked is pumped to reduce RO.

In conclusion the utility model has the following beneficial effects:

1, a kind of preventing water leakage RO pump, by the junction of motor upper cover and pump head shell be arranged the first sealing structure, It is set 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 Third sealing structure is set, so that the whole preventing water leakage performance that the RO for that entire preventing water leakage of refreshing oneself is pumped, avoids because diaphragm is broken There is a phenomenon where leaks to occur for RO pump after damage；

2, the upper sealing and motor housing of motor upper cover also pass through upper cover screw and fix and the lower sealing of motor lower cover Portion and motor housing are connected and fixed by lower cover screw, are able to ascend the globality of entire driving motor, are worked as first annular seal space There are when certain hydraulic pressure, motor upper cover, motor housing and motor lower cover in driving motor will not be solved because of leakage hydraulic pressure two for interior Body；

3, the sealing that motor lower cover by setting leading part and rubber sealing block, rubber sealing block there is power supply source line to pass through Channel and sealed passage have at least one bending part, can prevent water leakage from letting out by the gap of sealed passage and power supply line Leakage；

4, motor lower cover is additionally provided with detection blind hole and testing agency, can be to first annular seal space room in the RO of preventing water leakage pump It is detected with the second sealed chamber with the presence or absence of leak, to avoid pumping inner cavity in RO, there are opened in the case where ponding Machine helps to 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, pump head Lower case；112a, pump head seal groove；112b, pump head sealing ring；113, water supply connector；114, water outlet connector；115, installation is empty Chamber；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, electric Machine upper cover；211a, fixed bolt；211b, upper sealing；211b1, the second seal groove；211b2, first connecting portion；211b3, First threaded hole；211b4, the second sealing ring；211c, upper cover screw；212, motor housing；213, motor lower cover；213a, fixation Counterbore；213b, sealing portion；213b1, third seal groove；213b2, second connecting portion；213b3, the second threaded hole；213c, Lower cover screw；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, the first threaded hole；216, screw rod；217, sealing ring；218, rubber sealing block；218a, sealed passage；218a1, bending Portion；219, end cap is detected；219a, rotation card slot；219b, detection blind hole；219c, detection port；22, rotor；221, it exports Axis；23, stator；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 annular seal space room；42, the second airtight chamber；5, mounting bracket；51, fixed part；52, third screw；6, testing agency； 61, head is slid；62, compressed spring；63, detection lug.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

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 electricity 2 output end of machine 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, the control volume 12 being installed in pump head shell 11 With diaphragm 13, pump head shell 11 includes pump head upper housing 111 and pump head lower case 112.Wherein, pump head upper housing 111 has Water supply connector 113 and water outlet connector 114, and by being formed with an installation cavity 115 after cooperating with pump head lower case 112 and pacifying Dress 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 Pressurized chamber 115b and the water outlet chamber 115c that is connected with water outlet connector 114.Wherein, water inlet chamber 115a and water chamber Room 115c mutually separates, and the water in chamber 115a of intaking is merely able to by entering water outlet chamber 115c after pressurized chamber 115b In.RO pump head 1 has in total there are three pressurized chamber 115b, and diaphragm 13 has and three pressurized chamber 115b are corresponded Pressurization protrusion 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 leak.

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, the rotor 22 being installed in electric machine casing 21 With 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 housing 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 (refering to attached drawing 3) 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 1 One corresponding cam 331 of fetching water.Wherein, cam 331 of fetching water is connected with pressurization protrusion 131 by screw (not shown) solid It is fixed.

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 the top of motor upper cover 211 has and pump head bulge loop 116 The motor bulge loop 214 being correspondingly 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 leaking 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 by screw rod 216 of screw rod 216 On the cascaded surface of 213a, the sealing to fixed counterbore 213a is realized.

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 leaked 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 leaked 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 With with the one-to-one second connecting portion 213b2 of lower cover screw 213c, the second connecting portion 213b2 is in sealing portion It is blind that the outside of 213b, which has the second threaded hole 213b3, the second threaded hole 213b3 being threadedly engaged with lower cover screw 213c, Hole.

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 the tool of rubber sealing block 218 is close there are two being parallel to each other Channel 218a is sealed, 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 fixed parts 51 to fit, fixed part 51 are threadedly secured on 212 body of motor housing by third screw 52.In order to prevent There are leak gaps for the threaded hole being threadedly engaged in motor housing 212 with third screw 52, therefore squeeze into spiral shell in third screw 52 Before in pit, marine glue can be smeared in threaded hole, and after third screw 52 is squeezed into, in the inner wall of motor housing 212 Marine glue is smeared at threaded 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 to detection end cap 219 and embodiment The RO pump of preventing water leakage in 1 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 is and 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 is and 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 There is certain pressure, seal rubber sleeve is able to maintain pump oil shell, motor upper cover 211, motor housing 212 and motor lower cover 213 Globality reduces the probability that disintegration or leak occur for RO pump.

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 that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

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.