CN208702676U - Pump cover for booster pump, booster pump and water purifier - Google Patents

Abstract

The utility model discloses a pump cover for booster pump, booster pump and purifier, the pump cover includes the pump cover body, this internal diaphragm chamber of injecing of pump cover, be formed with water inlet and the delivery port that communicates respectively with the diaphragm chamber on the pump cover body, be equipped with a plurality of first stiffening ribs along the circumference interval arrangement of diaphragm chamber on the inner wall of diaphragm chamber, every first stiffening rib extends along the curve, every first stiffening rib is including the first sub-stiffening rib and the sub-stiffening rib of second that link to each other, first sub-stiffening rib is established on the diapire of diaphragm chamber, the sub-stiffening rib of second is established on the lateral wall of diaphragm chamber. According to the utility model discloses a stress distribution is reasonable for pump cover for booster pump, the medium flow field in it distributes rationally, the pump cover, has good use reliability.

Description

Pump cover, booster pump and water purifier for booster pump

Technical field

The utility model pump and its applied technical field, more particularly, to it is a kind of for the pump cover of booster pump, booster pump and Water purifier.

Background technique

Going deep into the improvement of people ' s living standards with healthy water theory, people increasingly pay attention to healthy water, Water purifier has become everybody first.When user selects water purifier, the noise and use reliability of water purifier are important indicators, It is the favourable index for improving water purifier product competitiveness in the market.

Wherein, the booster pump of water purifier is the core drive element of water purifier and the dominant noise source of water purifier, pressurization The diaphragm cell structure of pump directly affects the anti-burst ability of booster pump and the interior media Flow Field Distribution of booster pump.Due to chamber of septum Bottom wall and side wall interface be stress concentrate region, need reasonable Arrangement ribs.

In the related technology, to solve the above problems, being arranged at the side wall of chamber of septum and the interface of bottom wall along chamber of septum The linearly extended multiple ribs of radial direction, wherein two ribs in multiple ribs are located at the water inlet of booster pump The both sides of mouth.However, this diaphragm cell structure is primarily present following problems: the distributed quantity of ribs is insufficient, above-mentioned interface The stress at place does not significantly improve, and the anti-burst capability improving of booster pump is ineffective；If increasing the quantity of ribs, can lead Diaphragm cell structure is caused seriously to shrink in injection moulding process；The indoor flow route of diaphragm is poor, especially water inlet both sides plus Strong rib, seriously affects Flow Field Distribution, so that generating biggish pressure fluctuation and noise when pressurization pump operation.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model One purpose is to propose a kind of pump cover for booster pump, in the pump cover medium flow field be reasonably distributed, the stress of pump cover point Cloth is reasonable, has good use reliability.

Another purpose of the utility model is to propose a kind of booster pump with above-mentioned pump cover.

The further object of the utility model is to propose a kind of water purifier with above-mentioned booster pump.

According to the pump cover for booster pump of the utility model first aspect embodiment, comprising: pump cover ontology, the pump cover Chamber of septum is limited in ontology, is formed with the inlet and outlet being respectively communicated with the chamber of septum on the pump cover ontology, The inner wall of the chamber of septum be equipped with along the chamber of septum circumferentially spaced multiple first ribs, each described first Ribs extends along curve, and each first ribs includes the first sub- ribs and the second sub- ribs being connected with each other, The first sub- ribs is located on the bottom wall of the chamber of septum, and the second sub- ribs is located at the side wall of the chamber of septum On.

According to the pump cover for booster pump of the utility model embodiment, by being arranged on the inner wall of chamber of septum along diaphragm Multiple first ribs circumferentially spaced, along curve extension of room, so that the first sub- ribs is located at the bottom of chamber of septum On wall, the second sub- ribs be located on the side wall of chamber of septum, so that the first ribs can improve the indoor medium flow path of diaphragm, So as to improve the Flow Field Distribution of medium in chamber of septum, and the first ribs can improve the bottom wall and chamber of septum of chamber of septum Stress at the interface of side wall is concentrated.When pump cover is applied to booster pump, biggish pressure is generated when avoiding pressurization pump operation Power pulsation generates biggish noise so as to avoid booster pump, improves the sound quality of booster pump, while improving booster pump Anti-burst ability improves the use reliability of booster pump；When booster pump is applied to water purifier, water purifier can be significantly improved Vibration and radiated noise problem, improve the competitiveness of product in market.

Some embodiments according to the present utility model, the water inlet and the water outlet are located at the pump cover ontology Two sides relative to each other, multiple first ribs include water inlet ribs and water outlet ribs, the water inlet ribs The neighbouring water inlet is arranged, and the water outlet ribs is arranged adjacent to the water outlet.

Some embodiments according to the present utility model, are equipped with demarcation plate in the chamber of septum, the demarcation plate will it is described every Film room is divided into low pressure chamber and high pressure chest, and the low pressure chamber is connected to the water inlet, the high pressure chest and the water outlet connect Logical, first ribs is located in the low pressure chamber.

Some embodiments according to the present utility model, the demarcation plate are formed as tubular structure and are located at the chamber of septum On the bottom wall, the low pressure chamber is located at the outside of the demarcation plate, and the high pressure chest is located at the inside of the demarcation plate.

Some embodiments according to the present utility model, each first ribs is spaced each other with the demarcation plate to be set It sets.

Some embodiments according to the present utility model, the bottom wall of the chamber of septum are equipped at least one second reinforcement Rib, second ribs extends along curve and both ends are connected with the side wall of the demarcation plate, the chamber of septum respectively.

Some embodiments according to the present utility model, second ribs are multiple, multiple second ribs packets Multiple ribs groups are included, the ribs group includes two second ribs, and second ribs extends along camber line, and two One end being connected with the demarcation plate of a second ribs be connected and two second ribs with the side wall Connected one end is directed away from mutual direction and extends.

Some embodiments according to the present utility model, the ribs group are two groups, and ribs group described in two groups is wherein One group of another set adjacent to ribs group described in water inlet setting, two groups is arranged adjacent to the water outlet.

Some embodiments according to the present utility model, first ribs extend along camber line, first ribs court It protrudes and is arranged to the center of the chamber of septum；Alternatively, the center protrusion that first ribs is directed away from the chamber of septum is set It sets.

Some embodiments according to the present utility model, when first ribs is set towards the center of chamber of septum protrusion When setting, the first sub- ribs is one and the second sub- ribs is two, two second sub- ribs difference It is connected to the both ends of the described first sub- ribs.

Some embodiments according to the present utility model, the bottom wall of the chamber of septum are equipped with the week along the chamber of septum To spaced apart multiple mounting posts, multiple mounting posts are arranged in a one-to-one correspondence respectively with multiple first ribs, institute It states mounting post and the sub- ribs of correspondence described first is separated into two reinforcement rib sections.

Some embodiments according to the present utility model, first ribs are to be located on the inner wall of the chamber of septum Convex ribs；Or first ribs is from a part of the outer surface of the pump cover ontology to the projecting inward formation of the chamber of septum.

It is real according to the booster pump of the utility model second aspect embodiment, including according to the above-mentioned first aspect of the utility model Apply the pump cover for booster pump of example.

According to the booster pump of the utility model embodiment, by using above-mentioned pump cover, production when avoiding pressurization pump operation Raw biggish pressure fluctuation generates biggish noise so as to avoid booster pump, improves the sound quality of booster pump, improve simultaneously The anti-burst ability of booster pump, improves the use reliability of booster pump.

It is real according to the water purifier of the utility model third aspect embodiment, including according to the above-mentioned second aspect of the utility model Apply the booster pump of example.

Water purifier is significantly improved by using above-mentioned booster pump according to the water purifier of the utility model embodiment Vibration and radiated noise problem, improve the competitiveness of product in market.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the main view according to the pump cover of the utility model embodiment；

Fig. 2 is the structural schematic diagram of pump cover shown in Fig. 1；

Fig. 3 is the structural schematic diagram of another angle of pump cover shown in Fig. 1；

Fig. 4 is the structural schematic diagram of another angle of pump cover shown in Fig. 1.

Appended drawing reference:

Pump cover 100,

Pump cover ontology 1, water inlet pipe 10a, outlet pipe 10b,

Chamber of septum 11, bottom wall 11a, side wall 11b, low pressure chamber 11c, high pressure chest 11d,

First ribs 12, water inlet ribs 120a, water outlet ribs 120b,

First sub- ribs 121, reinforce rib section 121a, the second sub- ribs 122,

Demarcation plate 13,

Second ribs 14, ribs group 140,

Mounting post 15.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " axial direction ", " radial direction ", " circumferential direction " is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, define " the One ", the feature of " second " can explicitly or implicitly include one or more of the features.In the description of the utility model In, unless otherwise indicated, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

Below with reference to Fig. 1-Fig. 4 description according to the pump cover 100 for booster pump of the utility model first aspect embodiment.

As Figure 1-Figure 4, according to the pump cover 100 for booster pump of the utility model embodiment, including pump cover ontology 1。

Chamber of septum 11 is limited in pump cover ontology 1, and the water inlet being respectively communicated with chamber of septum 11 is formed on pump cover ontology 1 And water outlet, the inner wall of chamber of septum 11 are equipped with circumferentially spaced multiple first ribs 12 along chamber of septum 11, each First ribs 12 extends along curve, and each first ribs 12 includes the first sub- ribs 121 and the second son being connected with each other Ribs 122, the first sub- ribs 121 are located on the bottom wall 11a of chamber of septum 11, and the second sub- ribs 122 is located at chamber of septum 11 Side wall 11b on.

For example, as Figure 1-Figure 4, pump cover ontology 1 can be generally formed into the axial other end closed at one end, axial and open wide Tubular structure so that limiting chamber of septum 11 in pump cover ontology 1, inlet and outlet can be respectively along pump cover ontology 1 Thickness direction runs through pump cover ontology 1, so that water inlet is connected to chamber of septum 11, water outlet is connected to chamber of septum 11, thus medium Such as water can be flowed into chamber of septum 11 by water inlet, again by water outlet outflow.

Each first ribs 12 can extend along curve smoothing, and when medium flows in chamber of septum 11, first reinforces Rib 12 can play certain guide functions to medium, can improve the medium flow path in chamber of septum 11, so as to improve diaphragm The Flow Field Distribution of medium in room 11；First sub- ribs 121 can extend along curve and the first sub- ribs 121 is located at chamber of septum On 11 bottom wall 11a, the second sub- ribs 122 can be along curve extension and the second sub- ribs 122 is located at the side of chamber of septum 11 On wall 11b, and the first sub- ribs 121 is connected with the second sub- ribs 122 so that a part of the first ribs 12 be located at every On the bottom wall 11a of film room 11, the first ribs 12 some be located on the side wall 11b of chamber of septum 11, the first ribs 12 can be across the interface of the side wall 11b of the bottom wall 11a and chamber of septum 11 of chamber of septum 11, at above-mentioned interface Stress is concentrated, and then improves the stress distribution of pump cover 100, that is to say, that the first ribs 12 can be with less a digital display Write the stress concentration for improving pump cover 100.As a result, in the design process of pump cover 100, can specifically be arranged according to actual needs The number of one ribs 12 under the premise of guaranteeing 100 service-strong of pump cover, can suitably reduce a of the first ribs 12 Number, to simplify the structure of pump cover 100.

It is understood that the thickness and height of the first ribs 12 can be specifically arranged according to the actual situation.For example, In the design process of pump cover 100, CAE (Computer Aided Engineering, computer-aided engineering) point can be passed through It analyses and optimizes, determine the specific location that the stress of pump cover 100 is concentrated, and can be arranged first in conjunction with the material thickness of pump cover ontology 1 and add The thickness and height of strong rib 12, realize the reasonable Arrangement of the first ribs 12.

When pump cover 100 is applied to booster pump, since medium flow field is reasonably distributed in chamber of septum 11, booster pump fortune is avoided Biggish pressure fluctuation is generated when row, is generated biggish noise so as to avoid booster pump, is improved the sound quality of booster pump, together When, the stress of booster pump, which is concentrated, to be improved, and the anti-burst ability of booster pump is improved, so that the use for improving booster pump can By property；When booster pump is applied to water purifier, the vibration and radiated noise problem of water purifier can be significantly improved, product is improved The market competitiveness.

Here, it should be noted that " curve " and " straight line " is relative concept, refers to that entire first ribs 12 can be with shape As curved section rather than straightway, for example, curve can be camber line (including circular arc line and oval camber line), hyperbola, parabolic Line, trigonometric function curve etc., and it is without being limited thereto；When pump cover 100 is applied to booster pump, " bottom wall 11a " is not necessarily located at pump The wall surface of 100 bottom of lid and the inner wall for referring to that the above-mentioned axial direction of pump cover 100 is closed at one end and being formed.

According to the pump cover 100 for booster pump of the utility model embodiment, by being arranged on the inner wall of chamber of septum 11 Along multiple first ribs 12 circumferentially spaced, along curve extension of chamber of septum 11, so that the first sub- ribs 121 is set On the bottom wall 11a of chamber of septum 11, on the side wall 11b that the second sub- ribs 122 is located at chamber of septum 11, thus the first ribs 12 The medium flow path in chamber of septum 11 can be improved, so as to improve the Flow Field Distribution of medium in chamber of septum 11, and first reinforces Rib 12 can improve the concentration of the stress at the interface of the bottom wall 11a of chamber of septum 11 and the side wall 11b of chamber of septum 11.Work as pump cover 100 be applied to booster pump when, avoid pressurization pump operation when generate biggish pressure fluctuation, so as to avoid booster pump generate compared with Big noise improves the sound quality of booster pump, while improving the anti-burst ability of booster pump, improves the use of booster pump Reliability；When booster pump is applied to water purifier, the vibration and radiated noise problem of water purifier can be significantly improved, improves product The market competitiveness.

In optional some embodiments of the utility model, as Figure 1-Figure 4, inlet and outlet are located at pump The two sides relative to each other of lid ontology 1, that is to say, that inlet and outlet can be positioned opposite to each other, and multiple first reinforce Rib 12 includes water inlet ribs 120a and water outlet ribs 120b, and ribs 120a of intaking is arranged adjacent to water inlet, and water outlet is reinforced Rib 120b is arranged adjacent to water outlet, so that the stress that ribs 120a of intaking can improve water inlet is concentrated, is discharged ribs The stress that 120b can improve water outlet is concentrated, while ribs 120a of intaking can play water conservancy diversion to the medium of water inlet Effect, reduces the flow resistance of water inlet.When pump cover 100 is applied to booster pump, it can further improve pressurization pump operation The pressure fluctuation and noise problem of generation, while the anti-burst ability of booster pump is promoted, to further improve booster pump Use reliability.

It is understood that water inlet ribs 120a and water inlet between spacing distance, water outlet ribs 120b with go out Spacing distance between the mouth of a river can be specifically arranged according to the actual situation.For example, water inlet is reinforced in the example of Fig. 1-Fig. 4 Spacing distance between rib 120a and water inlet can be 0, and being discharged spacing distance between ribs 120b and water outlet can be with It is 0.

Certainly, water inlet ribs 120a can also be arranged far from water inlet, be discharged ribs 120b away from water outlet Mouth setting, that is to say, that the relative positional relationship between water inlet ribs 120a and water inlet can be specific according to actual needs Setting, the relative positional relationship being discharged between ribs 120b and water outlet can also be specifically arranged according to actual needs, so that Water inlet ribs 120a and the position for being discharged ribs 120b have good design flexibility, to improve pump cover 100 Applicability.

Further, as Figure 1-Figure 4, water inlet can be equipped with water inlet pipe 10a, and one end of water inlet pipe 10a can be with It protruding into chamber of septum 11, water outlet can be equipped with outlet pipe 10b, and one end of outlet pipe 10b can be protruded into chamber of septum 11, into One end of the sub- ribs 121 of the first of water ribs 120a can be connected with water inlet pipe 10a, the first son for ribs 120a of intaking The other end of ribs 121 is connected with the second sub- ribs 122 of water inlet ribs 120a, the first son of water outlet ribs 120b One end of ribs 121 can be connected with outlet pipe 10b, be discharged ribs 120b the first sub- ribs 121 the other end with The the second sub- ribs 122 for being discharged ribs 120b is connected, so that intaking ribs 120a and water outlet ribs 120b can be into One step improves the stress at inlet and outlet and concentrates, so that when pump cover 100 is applied to booster pump, guaranteeing booster pump with good Good anti-burst ability, guarantees the use reliability of booster pump.Wherein, water inlet pipe 10a and outlet pipe 10b can be with pump cover 100 It is integrally formed.

In some specific embodiments of the utility model, as Figure 1-Figure 4, demarcation plate 13 is equipped in chamber of septum 11, Chamber of septum 11 is divided into low pressure chamber 11c and high pressure chest 11d by demarcation plate 13, and low pressure chamber 11c is connected to water inlet, high pressure chest 11d It is connected to water outlet, low-pressure medium can be flowed directly in low pressure chamber 11c by water inlet and pass through 11 inner septum group of chamber of septum The compressed shape of part becomes high-pressure medium and flows into high pressure chest 11d, and final high-pressure medium can be flowed out by water outlet, is increased with realizing The function of increasing pressure of press pump；First ribs 12 is located in low pressure chamber 11c, in order to which the first ribs 12 preferably guides low pressure chamber The flowing of medium in 11c improves the Flow Field Distribution of medium in low pressure chamber 11c, guarantees the guide functions of the first ribs 12.

Here, it should be noted that the structure and working principle of " diaphragm assembly " with for as it is known to those skilled in the art that Details are not described herein.

Further, demarcation plate 13 is formed as tubular structure and demarcation plate 13 is located on the bottom wall 11a of chamber of septum 11, low pressure Chamber 11c is located at the outside of demarcation plate 13, and high pressure chest 11d is located at the inside of demarcation plate 13.For example, as Figure 1-Figure 4, demarcation plate 13 can be generally formed into cylindrical structure, and demarcation plate 13 can be coaxially disposed with chamber of septum 11, that is to say, that demarcation plate 13 Central axis can be overlapped with the central axis of chamber of septum 11；Demarcation plate 13 can be by a part of the bottom wall 11a of chamber of septum 11 It is extended to form towards the open above-mentioned axial other end of chamber of septum 11, so that the inner wall of chamber of septum 11 can be outer with demarcation plate 13 Peripheral wall limits low pressure chamber 11c jointly, the base wall portion 11a of chamber of septum 11 can be limited jointly with the internal perisporium of demarcation plate 13 High pressure chest 11d, diaphragm assembly can be located on demarcation plate 13 so that the medium in low pressure chamber 11c to be pressed into high pressure chest 11d.By This, the structure of pump cover 100 is simple, is easy to implement.

Specifically, in the example of Fig. 1-Fig. 4, each first ribs 12 is intervally installed with demarcation plate 13, also It is to say, the spacing distance between each first ribs 12 and demarcation plate 13 is all larger than 0, so as to avoid due to the first ribs When spacing distance is 0 between 12 and demarcation plate 13, the first ribs 12 can stop to flow around demarcation plate 13 in low pressure chamber 11c The flowing of medium causes the first ribs 12 to increase the flow resistance of medium, and then ensure that medium flow field in low pressure chamber 11c Reasonable layout further avoids pressurization pump operation and generates biggish pressure fluctuation and noise.

It is understood that the spacing distance between each first ribs 12 and demarcation plate 13 can be according to actual needs Specific setting.

Optionally, the bottom wall 11a of chamber of septum 11 is equipped at least one second ribs 14, and the second ribs 14 is along curve Extend and the both ends of the second ribs 14 are connected with the side wall 11b of demarcation plate 13, chamber of septum 11 respectively.For example, Fig. 1-Fig. 4's In example, set on the bottom wall 11a of chamber of septum 11 there are four the second ribs 14, each second ribs 14 can prolong along camber line Stretch, one end of the second ribs 14 can be fixedly linked with demarcation plate 13, the other end of the second ribs 14 can be with chamber of septum 11 side wall 11b is fixedly linked, and the second ribs 14 can also play certain guide functions to medium as a result, further changes Medium flow path in kind chamber of septum 11, improves the Flow Field Distribution of medium in chamber of septum 11, while the second ribs 14 can be into one Step promotes the anti-burst ability of booster pump, is further ensured that the use reliability of booster pump.

Certainly, the second ribs 14 may be arranged as one, two, three or five etc..

Optionally, the second ribs 14 is multiple, and multiple second ribs 14 include multiple ribs groups 140, ribs Group 140 includes two the second ribs 14, and the second ribs 14 extends along camber line, two the second ribs 14 with demarcation plate 13 Connected one end is connected and the one end of two the second ribs 14 being connected with side wall 11b is directed away from mutual direction and extends. For example, the second ribs 14 is four, and four the second ribs 14 form two groups of ribs groups in the example of Fig. 1-Fig. 4 140, two groups of ribs groups 140 can include two second along the circumferentially-spaced arrangement of chamber of septum 11, every group of ribs group 140 Ribs 14, one end of two the second ribs 14 are fixedly linked after being connected with each other with demarcation plate 13, two second reinforcements The other end of rib 14 can be directed away from mutual direction and extend to be connected with the side wall 11b of chamber of septum 11, so that each reinforcement Two the second ribs 14 of rib group 140 can be generally formed into Y-shaped structure.

Certainly, ribs group 140 can also only include second ribs 14, which can be along camber line Extend, and one end of second ribs 14 is connected with demarcation plate 13, the other end is connected with the side wall 11b of chamber of septum 11, thus Under the premise of proof stress concentrates improvement, the structure of ribs group 140 is simplified, to simplify the knot of pump cover 100 Structure, reduce pump cover 100 with material amount, reduce cost.

Optionally, the second ribs 14 be the convex ribs being located on the bottom wall 11a of chamber of septum 11 or the second ribs 14 by A part of the outer surface of pump cover ontology 1 is to the projecting inward formation of chamber of septum 11.That is, the second ribs 14 can substantially shape As convex rib structure or sunk structure, booster action can be played, promotes the use reliability of pump cover 100.For example, in Fig. 1- In the example of Fig. 4, the second ribs 14 can be all formed as convex rib structure, and the second ribs 14 can be by the part of chamber of septum 11 Bottom wall 11a protrudes to be formed towards the open above-mentioned axial other end of chamber of septum 11；In another example the second ribs 14 can be respectively formed For sunk structure, at this point, can be directed away from chamber of septum 11 by the base wall portion 11a of chamber of septum 11 open for the second ribs 14 The recessed formation of the above-mentioned axial direction other end.

Specifically, as Figure 1-Figure 4, ribs group 140 is two groups, two groups of ribs groups 140 wherein one group it is neighbouring Water inlet is arranged, the another set of two groups of ribs groups 140 is arranged adjacent to water outlet, to guarantee the anti-burst ability of booster pump.

In some alternative embodiments of the utility model, as Figure 1-Figure 4, the first ribs 12 extends along camber line, First ribs 12 protrudes setting towards the center of chamber of septum 11, further ensures the guide functions of the first ribs 12, changes The flow path of medium in kind chamber of septum 11.In other alternative embodiments of the utility model, the second ribs 14 prolongs along camber line It stretches, the first ribs 12 is directed away from the center protrusion setting of chamber of septum 11, can equally guarantee the water conservancy diversion of the first ribs 12 Effect improves the flow path of medium in chamber of septum 11.

Specifically, as Figure 1-Figure 4, when the first ribs 12 protrudes setting towards the center of chamber of septum 11, first Sub- ribs 121 is one and the second sub- ribs 122 is two, and two the second sub- ribs 122 are connected to the first son The both ends of ribs 121, that is to say, that on the bottom wall 11a of chamber of septum 11, the both ends of the first ribs 12 each extend over and exceed At the interface of the side wall 11b of the bottom wall 11a and chamber of septum 11 of chamber of septum 11 and extend on the side wall 11b of chamber of septum 11, from And the stress for further effectively improving the interface of the bottom wall 11a of chamber of septum 11 and the side wall 11b of chamber of septum 11 is concentrated, and is guaranteed The use reliability of booster pump.

It is understood that first son adds when the first ribs 12 is directed away from the center protrusion setting of chamber of septum 11 Strong rib 121 is two and the second sub- ribs 122 is one, and two the first sub- ribs 121 are connected to the second son and reinforce The both ends of rib 122, that is to say, that on the side wall 11b of chamber of septum 11, the both ends of the first ribs 12 each extend over beyond diaphragm At the interface of the side wall 11b of the bottom wall 11a and chamber of septum 11 of room 11 and extend on the bottom wall 11a of chamber of septum 11, equally into The stress that one step effectively improves the interface of the bottom wall 11a of chamber of septum 11 and the side wall 11b of chamber of septum 11 is concentrated, and guarantees pressurization The use reliability of pump.

In some embodiments of the utility model, the bottom wall 11a of chamber of septum 11 is equipped between the circumferential direction of chamber of septum 11 Every multiple mounting posts 15 of arrangement, multiple mounting posts 15 are arranged in a one-to-one correspondence respectively with multiple first ribs 12, mounting post 15 Corresponding first sub- ribs 121 is separated into two reinforcement rib section 121a.For example, as Figure 1-Figure 4, mounting post 15 can be Three, in order to the installation of diaphragm assembly, the first ribs 12 can be three, three mounting posts 15 and three the first ribs 12 are arranged in a one-to-one correspondence respectively, so that each mounting post 15 separates the first of corresponding first ribs 12 the sub- ribs 121 At two reinforcement rib section 121a, one end of two reinforcement rib section 121a can be connected on the periphery wall of mounting post 15.By This, under the premise of guaranteeing that diaphragm assembly installation is reliable, reduces the occupied space of pump cover 100, is advantageously implemented booster pump Miniaturization Design.

Optionally, the first ribs 12 is the convex ribs being located on the inner wall of chamber of septum 11 or the first ribs 12 by pump cover A part of the outer surface of ontology 1 is to the projecting inward formation of chamber of septum 11.That is, the first ribs 12 can be generally formed into Convex rib structure or sunk structure can play booster action, promote the use reliability of pump cover 100.For example, in Fig. 1-Fig. 4 Example in, the first ribs 12 can be all formed as convex rib structure, and the first ribs 12 can be in the part by chamber of septum 11 Wall protrudes to be formed towards the open above-mentioned axial other end of chamber of septum 11；In another example the first ribs 12 can be all formed as it is recessed Structure is fallen into, at this point, the first ribs 12 can be directed away from the open above-mentioned axis of chamber of septum 11 by the internal partial wall of chamber of septum 11 To the recessed formation of the other end.

It is real according to the booster pump of the utility model second aspect embodiment, including according to the above-mentioned first aspect of the utility model Apply the pump cover 100 for booster pump of example.

According to the booster pump of the utility model embodiment, by using above-mentioned pump cover 100, when avoiding pressurization pump operation Biggish pressure fluctuation is generated, biggish noise is generated so as to avoid booster pump, improves the sound quality of booster pump, mention simultaneously The high anti-burst ability of booster pump, improves the use reliability of booster pump.

It is real according to the water purifier of the utility model third aspect embodiment, including according to the above-mentioned second aspect of the utility model Apply the booster pump of example.

Water purifier is significantly improved by using above-mentioned booster pump according to the water purifier of the utility model embodiment Vibration and radiated noise problem, improve the competitiveness of product in market.

According to other compositions of the water purifier of the utility model embodiment and operate for those of ordinary skill in the art For be all it is known, be not detailed herein.

It is used to increase according to the utility model embodiment with a specific embodiment detailed description below with reference to Fig. 1-Fig. 4 The pump cover 100 of press pump.It is worth understanding, it is described below to be merely illustrative, rather than to the concrete restriction of utility model.

As Figure 1-Figure 4, pump cover 100 includes pump cover ontology 1, and pump cover ontology 1 is generally formed into axial closed at one end, axis To the open tubular structure of the other end, chamber of septum 11 is limited in pump cover ontology 1, the cross-sectional shape of chamber of septum 11 is substantially at three The equilateral triangle of a equal round-corner transition in angle is formed with the inlet and outlet being respectively communicated with chamber of septum 11 on pump cover ontology 1, Inlet and outlet are oppositely arranged along the vertical direction, water inlet be equipped with water inlet pipe 10a, one end of water inlet pipe 10a protrude into every In film room 11, water outlet is equipped with outlet pipe 10b, and one end of outlet pipe 10b is protruded into chamber of septum 11；The bottom wall of chamber of septum 11 11a is equipped with demarcation plate 13, and demarcation plate 13 is generally formed into cylindrical structure, and demarcation plate 13 and chamber of septum 11 are coaxially disposed, point Chamber of septum 11 is divided into low pressure chamber 11c and high pressure chest 11d by partition 13, and low pressure chamber 11c is located at the outside of demarcation plate 13 and low pressure Chamber 11c is connected to water inlet, and high pressure chest 11d is located at the inside of demarcation plate 13 and high pressure chest 11d is connected to water outlet, low-pressure medium It can be flowed directly to by water inlet in low pressure chamber 11c and be situated between by the compressed shape of 11 inner septum component of chamber of septum as high pressure Mass flow enters in high pressure chest 11d, and final high-pressure medium can be flowed out by water outlet, to realize the function of increasing pressure of booster pump.

The inner wall of chamber of septum 11 is equipped with generally uniform spaced apart three the first ribs of circumferential direction along chamber of septum 11 12, three the first ribs 12 one-to-one correspondence are located at three fillets of above-mentioned equilateral triangle, three equal shapes of the first ribs 12 As convex rib structure, and three the first ribs 12 are each provided in low pressure chamber 11c, and each first ribs 12 extends along camber line, Central axis protrusion setting and each first ribs 12 of each first ribs 12 towards demarcation plate 13 are and demarcation plate 12 interval settings；First ribs 12 includes the first sub- ribs 121 and the second sub- ribs 122 being connected with each other, the first son Ribs 121 is one and the first sub- ribs 121 is located on the bottom wall 11a of chamber of septum 11, and the second sub- ribs 122 is two A, two the second sub- ribs 122 are connected to the both ends of the first sub- ribs 121 and two the second sub- ribs 122 It is located on the side wall 11b of chamber of septum 11.

Two of them in three the first ribs 12 are respectively ribs 120a and water outlet ribs 120b of intaking, water inlet Ribs 120a is arranged adjacent to water inlet, and one end of the first sub- ribs 121 for ribs 120a of intaking can be with water inlet pipe The other end of connected, water inlet ribs 120a the first sub- ribs 121 of 10a and the second sub- ribs of water inlet ribs 120a 122 are connected, and water outlet ribs 120b is arranged adjacent to water outlet, and are discharged one end of the first sub- ribs 121 of ribs 120b Can be connected with outlet pipe 10b, be discharged ribs 120b the first sub- ribs 121 the other end and water outlet ribs 120b Second sub- ribs 122 is connected, at this point, the second sub- ribs 122 of water inlet ribs 120a can be one, is discharged ribs The sub- ribs 122 of the second of 120b may be one.

Further, the second ribs 14 there are four being set on the bottom wall 11a of chamber of septum 11, four equal shapes of the second ribs 14 As convex rib structure, four the second ribs 14 form two groups of ribs groups 140, and every group of ribs group 140 includes two the Two ribs 14, two groups of ribs groups 140 along chamber of septum 11 circumferentially-spaced arrangement, wherein one group of two groups of ribs groups 140 Neighbouring water inlet is arranged, the another set of two groups of ribs groups 140 is arranged adjacent to water outlet；Each second ribs 14 is along arc Line extends, and one end of two the second ribs 14 of every group of ribs group 140 is solid with the periphery wall of demarcation plate 13 after being connected with each other Fixed connected, two the second ribs 14 the other end is directed away from mutual direction and extends on the side wall 11b with chamber of septum 11 Protrusion be fixedly linked, the central axis which has a part of side wall 11b towards chamber of septum 11, which protrudes, to be formed, so that each Two the second ribs 14 of ribs group 140 can be generally formed into Y-shaped structure.Wherein, the height of the first ribs 121 can With equal or unequal with the height of the second ribs 122.

As Figure 1-Figure 4, ribs 120a and the two groups of ribs groups 140 of intaking it is above-mentioned wherein one group be located at into The left and right sides at the mouth of a river, the above-mentioned another set for being discharged ribs 120b and two groups of ribs groups 140 are located at water outlet The left and right sides reduces the medium flow field at inlet and outlet preferably to improve the medium flow field at inlet and outlet Dynamic resistance.

According to the pump cover 100 for booster pump of the utility model embodiment, by the way that the first ribs 121 and second is arranged Ribs 122 significantly improves the Flow Field Distribution of medium in chamber of septum 11, while the stress for improving pump cover 100 is concentrated, and is promoted The anti-burst ability of pump cover 100, improves the use reliability of pump cover 100.When pump cover 100 is applied to booster pump, avoid Biggish pressure fluctuation is generated when pressurization pump operation, is generated biggish noise so as to avoid booster pump, is improved booster pump Sound quality, while improving the anti-burst ability of booster pump, improve the use reliability of booster pump；When booster pump is applied to When water purifier, the vibration and radiated noise problem of water purifier can be significantly improved, improves the competitiveness of product in market.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (14)

1. a kind of pump cover for booster pump characterized by comprising

Pump cover ontology limits chamber of septum in the pump cover ontology, is formed on the pump cover ontology and the chamber of septum is distinguished The inlet and outlet of connection, the inner wall of the chamber of septum are equipped with circumferentially spaced multiple the along the chamber of septum One ribs, each first ribs extend along curve, and each first ribs includes the first son being connected with each other Ribs and the second sub- ribs, the first sub- ribs are located on the bottom wall of the chamber of septum, the second sub- ribs It is located on the side wall of the chamber of septum.

2. the pump cover according to claim 1 for booster pump, which is characterized in that the water inlet and the water outlet point Not Wei Yu the pump cover ontology two sides relative to each other, multiple first ribs include water inlet ribs and water outlet reinforce Rib, the water inlet ribs are arranged adjacent to the water inlet, and the water outlet ribs is arranged adjacent to the water outlet.

3. the pump cover according to claim 1 for booster pump, which is characterized in that demarcation plate is equipped in the chamber of septum, The chamber of septum is divided into low pressure chamber and high pressure chest by the demarcation plate, and the low pressure chamber is connected to the water inlet, the height Pressure chamber is connected to the water outlet, and first ribs is located in the low pressure chamber.

4. the pump cover according to claim 3 for booster pump, which is characterized in that the demarcation plate is formed as tubular structure And be located on the bottom wall of the chamber of septum, the low pressure chamber is located at the outside of the demarcation plate, and the high pressure chest is located at institute State the inside of demarcation plate.

5. the pump cover according to claim 4 for booster pump, which is characterized in that each first ribs with it is described Demarcation plate is intervally installed.

6. the pump cover according to claim 3 for booster pump, which is characterized in that set on the bottom wall of the chamber of septum Have at least one second ribs, second ribs extend along curve and both ends respectively with the demarcation plate, the diaphragm The side wall of room is connected.

7. the pump cover according to claim 6 for booster pump, which is characterized in that second ribs be it is multiple, it is more A second ribs includes multiple ribs groups, and the ribs group includes two second ribs, and described second Ribs extends along camber line, and one end being connected with the demarcation plate of two second ribs is connected and two described second The one end of ribs being connected with the side wall is directed away from mutual direction and extends.

8. the pump cover according to claim 7 for booster pump, which is characterized in that the ribs group is two groups, two groups Go out described in wherein one group of another set adjacent to ribs group described in water inlet setting, two groups of the ribs group is neighbouring Mouth of a river setting.

9. the pump cover according to claim 1 to 8 for booster pump, which is characterized in that first ribs Extend along camber line,

First ribs protrudes setting towards the center of the chamber of septum；Alternatively,

First ribs is directed away from the center protrusion setting of the chamber of septum.

10. the pump cover according to claim 9 for booster pump, which is characterized in that when first ribs is towards institute When stating the center protrusion setting of chamber of septum, the first sub- ribs is one and the second sub- ribs is two, two The second sub- ribs is connected to the both ends of the described first sub- ribs.

11. the pump cover according to claim 10 for booster pump, which is characterized in that on the bottom wall of the chamber of septum Equipped with circumferentially spaced multiple mounting posts along the chamber of septum, multiple mounting posts and multiple first ribs It is arranged in a one-to-one correspondence respectively, the sub- ribs of correspondence described first is separated into two reinforcement rib sections by the mounting post.

12. the pump cover according to claim 1 for booster pump, which is characterized in that first ribs is is located at State the convex ribs on the inner wall of chamber of septum；Or first ribs is from a part of the outer surface of the pump cover ontology to institute State the projecting inward formation of chamber of septum.

13. a kind of booster pump, which is characterized in that the pump including being used for booster pump described according to claim 1 any one of -12 Lid.

14. a kind of water purifier, which is characterized in that including booster pump according to claim 13.