CN111852830B - Anti-drip water pump - Google Patents
Anti-drip water pump Download PDFInfo
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- CN111852830B CN111852830B CN202010830792.0A CN202010830792A CN111852830B CN 111852830 B CN111852830 B CN 111852830B CN 202010830792 A CN202010830792 A CN 202010830792A CN 111852830 B CN111852830 B CN 111852830B
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- fluid
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
- F04B43/09—Pumps having electric drive
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/22—Arrangements for enabling ready assembly or disassembly
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
本发明公开了一种防滴漏水泵，包括隔膜泵体、泵头、密封件及弹性件，隔膜泵体用于吸入或排出流体，泵头设于隔膜泵体上方，泵头具有用以吸入流体的吸入通道和排出流体的排出通道；密封件设于隔膜泵体与泵头之间，密封件与隔膜泵体之间共同限定出隔离腔，密封件与泵头之间共同限定出与排出通道相连通的中转腔；弹性件设于隔离腔内与密封件相抵贴，以弹性推动密封件在自然状态下将排出通道封闭；当流体被隔膜泵体排出进入中转腔时，密封件被流体挤压以克服弹性件弹力朝向隔膜泵体方向形变，以使排出通道被打开并排出流体。该防滴漏水泵在停止运转时可以防止排出通道产生滴漏，密封效果更好，在运转时流体排出过程顺畅稳定，整体结构稳定可靠。
The present invention discloses an anti-drip water pump, comprising a diaphragm pump body, a pump head, a sealing member and an elastic member. The diaphragm pump body is used to inhale or discharge fluid. The pump head is arranged above the diaphragm pump body, and the pump head has an inhalation channel for inhaling fluid and a discharge channel for discharging fluid. The sealing member is arranged between the diaphragm pump body and the pump head, and the sealing member and the diaphragm pump body jointly define an isolation chamber, and the sealing member and the pump head jointly define a transfer chamber connected to the discharge channel. The elastic member is arranged in the isolation chamber and abuts against the sealing member, and elastically pushes the sealing member to close the discharge channel in a natural state. When the fluid is discharged by the diaphragm pump body into the transfer chamber, the sealing member is squeezed by the fluid to overcome the elastic force of the elastic member and deform toward the diaphragm pump body, so that the discharge channel is opened and the fluid is discharged. The anti-drip water pump can prevent dripping in the discharge channel when it stops running, and the sealing effect is better. During operation, the fluid discharge process is smooth and stable, and the overall structure is stable and reliable.
Description
Technical Field
The invention relates to the technical field of pumps, in particular to an anti-drip water pump.
Background
The pump is driven to reciprocate by the internal mechanical device, and can form vacuum or negative pressure continuously at the suction nozzle, and positive pressure is formed at the exhaust nozzle, and the working medium is mainly gas or liquid and is mainly used in household appliances and medical equipment. The existing miniature water pump is easy to cause the drain passage to drip when the operation is stopped, and the sealing effect of the drain passage is poor.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent. To this end, an object of the present invention is to propose an anti-drip water pump comprising:
A diaphragm pump body for sucking or discharging a fluid;
A pump head disposed above the diaphragm pump body, the pump head having a suction passage for sucking the fluid and a discharge passage for discharging the fluid;
the sealing piece is arranged between the diaphragm pump body and the pump head, an isolation cavity is jointly defined between the sealing piece and the diaphragm pump body, and a transfer cavity communicated with the discharge channel is jointly defined between the sealing piece and the pump head;
The elastic piece is arranged in the isolation cavity and abuts against the sealing piece to elastically push the sealing piece to seal the discharge channel in a natural state;
When the fluid is discharged by the diaphragm pump body and enters the transfer cavity, the sealing element is extruded by the fluid to overcome the elastic force of the elastic element and deform towards the direction of the diaphragm pump body, so that the discharge channel is opened and the fluid is discharged.
Preferably, according to an embodiment of the present invention, the seal member has a seal portion provided in correspondence with the discharge passage, an annular connecting portion is formed in a circumferential direction of the seal portion, a thickness of the annular connecting portion is smaller than a thickness of the seal portion, and the annular connecting portion is deformed when the seal portion is pushed by the elastic member or the fluid to close or open the discharge passage.
Preferably, according to one embodiment of the present invention, the diaphragm pump body comprises:
The sealing device comprises a sealing piece, a middle rotating seat, a sealing piece and a sealing piece, wherein the top of the middle rotating seat is fixed with the sealing piece, a first convex step and a groove positioned at the outer periphery of the first convex step are arranged at the top of the middle rotating seat, the sealing piece is provided with a through hole which is correspondingly arranged with the first convex step, and a second convex step positioned at the outer periphery of the through hole, when the sealing piece is fixed with the middle rotating seat in a sealing way, the first convex step is embedded with the through hole, and the second convex step is embedded with the groove;
the diaphragm seat is arranged below the transfer seat, a plurality of diaphragm pieces are arranged on the diaphragm seat, and each diaphragm piece is provided with a pump chamber;
the diaphragm cover is arranged between the diaphragm seat and the transfer seat, a transfer groove communicated with the through hole is arranged in the center of the top of the diaphragm cover, a transfer hole is arranged in the transfer groove, and the transfer hole is communicated in one direction from the pump chamber to the transfer groove;
And the first inlet grooves are positioned in the circumferential direction of the transfer groove and correspond to the pump chambers one by one, a plurality of first inlet holes are formed in each first inlet groove, and the first inlet holes are communicated in one way from the first inlet grooves to the pump chambers.
Preferably, according to one embodiment of the present invention, the top of the transfer seat is provided with a second access slot, and a plurality of second access holes are arranged in the second access slot and are in one-to-one correspondence with the first access slot;
The sealing piece is provided with a third inlet hole, the third inlet hole is used for communicating the second inlet groove with the suction channel, and the third inlet hole is not communicated with the transfer cavity.
Preferably, according to an embodiment of the present invention, the transfer seat is provided with a vent hole communicating with the isolation cavity, an extension groove is formed at the bottom of the transfer seat to connect one of the second inlet holes with the vent hole, and when the sealing member deforms toward the transfer seat, air in the isolation cavity is discharged through the vent hole and the extension groove.
Preferably, according to one embodiment of the present invention, the first step is provided with a discharge hole which is not communicated with the isolation chamber and the second inlet groove, and the discharge hole communicates the transit groove with the transit chamber.
Preferably, according to an embodiment of the present invention, the diaphragm pump body further comprises:
The valve plate is arranged between the middle rotary seat and the diaphragm cover and is provided with a profiling hole matched with the first entering groove, and the valve plate is used for mutually isolating gaps between the middle rotary seat and the first entering grooves;
The check valves are respectively arranged in the first access grooves and used for respectively controlling the first access holes to conduct unidirectionally;
umbrella Ding Fa is arranged in the transfer groove and is used for controlling the one-way conduction of the transfer hole.
Preferably, according to one embodiment of the present invention, a flange is provided on a side of the pump head adjacent to the sealing member, and the flange blocks the suction passage and the transfer chamber from each other when the pump head is fixed to the sealing member.
Preferably, according to one embodiment of the present invention, the driving assembly further includes a driving motor, an eccentric driving member, and a housing seat, wherein the eccentric driving member is connected to the diaphragm pump body, the housing seat is disposed below the diaphragm pump body and is used for housing the eccentric driving member, and an output shaft of the driving motor extends into the housing seat and is connected to the eccentric driving member, so as to drive the eccentric driving member to circularly move.
Preferably, according to one embodiment of the present invention, the eccentric drive comprises a swing frame connected to the diaphragm pump body and an eccentric wheel connected on one side to the output shaft of the drive motor and on the other side to the swing frame.
When the diaphragm pump body sucks fluid to compress, the compressed fluid is discharged into the transfer cavity by the diaphragm pump body, so that the pressure generated by the fluid can overcome the elasticity of the elastic element and push the sealing element to deform, thereby opening the discharge passage to discharge the fluid, ensuring that the fluid discharge process is smoother and more stable, and the overall structure is stable and reliable.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an anti-drip water pump provided in an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of a drip resistant water pump provided in an embodiment of the present invention;
FIG. 3 is an exploded view of the drip resistant water pump provided in an embodiment of the present invention;
FIG. 4 is an exploded view of the pump head, seal and intermediate swivel mount provided in an embodiment of the invention;
FIG. 5 is another exploded view of a pump head, seal and intermediate swivel mount provided in an embodiment of the invention;
Fig. 6 is an exploded view of a diaphragm pump body and drive assembly provided in an embodiment of the present invention.
Reference numerals illustrate:
10. Diaphragm pump body 101, transfer seat, 1011, first boss, 1012, groove, 1013, discharge hole, 1014, second inlet groove, 1015, second inlet hole, 1016, vent hole, 1017, extension groove, 102, diaphragm seat, 103, diaphragm cover, 1031, first inlet groove, 1032, first inlet hole, 1033, transfer groove, 1034, transfer hole, 104, diaphragm piece, 105, valve plate, 1051, profiling hole, 106, umbrella Ding Fa, 107, check valve, 20, pump head, 201, suction channel, 202, discharge channel, 203, flange, 30, sealing piece, 301, sealing piece, 302, annular connecting piece, 303, through hole, 304, second boss, 305, third inlet hole, 40, elastic piece, 50, driving assembly, 501, driving motor, 502, eccentric driving piece, 5021, eccentric wheel, 5022, swinging frame, 503, containing seat, P10, isolation cavity, P20, transfer cavity.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present invention and should not be construed as limiting the invention, and all other embodiments, based on the embodiments of the present invention, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The drip resistant water pump according to the embodiment of the present invention is described in detail below with reference to the accompanying drawings.
Referring to fig. 1 and 2, the drip-proof water pump provided in the embodiment of the invention comprises a diaphragm pump body 10, a pump head 20, a sealing element 30 and an elastic element 40, wherein the diaphragm pump body 10 is used for sucking or discharging fluid, the pump head 20 is arranged above the diaphragm pump body 10, the pump head 20 is provided with a sucking channel 201 for sucking the fluid and a discharging channel 202 for discharging the fluid, the sealing element 30 is arranged between the diaphragm pump body 10 and the pump head 20, an isolation cavity P10 is jointly defined between the sealing element 30 and the diaphragm pump body 10, a transfer cavity P20 communicated with the discharging channel 202 is jointly defined between the sealing element 30 and the pump head 20, the elastic element 40 is arranged in the isolation cavity P10 and abuts against the sealing element 30 to elastically push the sealing element 30 to seal the discharging channel 202 in a natural state, and when the fluid is discharged by the diaphragm pump body 10 and enters the transfer cavity P20, the sealing element 30 is pressed by the fluid to be deformed towards the direction of the diaphragm pump body 10 against the elastic force of the elastic element 40 so that the discharging channel 202 is opened and the fluid is discharged.
When the water pump stops running, the elastic piece 40 can elastically push the sealing piece 30 to generate certain deformation, so that the discharging channel 202 of the pump head 20 can be closed, the discharging channel 202 can be prevented from dripping, the sealing effect is better, when the diaphragm pump body 10 sucks fluid to compress, the compressed fluid is discharged into the transit cavity P20 by the diaphragm pump body 10, the pressure generated by the fluid can overcome the elastic force of the elastic piece 40 and push the sealing piece 30 to deform, the discharging channel 202 is opened to discharge the fluid, the fluid discharging process is smoother and stable, and the whole structure is stable and reliable.
Referring to fig. 3 to 5, the seal member 30 has a seal portion 301 provided corresponding to the discharge passage 202, the seal portion 301 is formed with an annular connecting portion 302 in a circumferential direction, the thickness of the annular connecting portion 302 is smaller than that of the seal portion 301, and when the seal portion 301 is pushed by the elastic member 40 or the fluid, the annular connecting portion 302 is deformed to close or open the discharge passage 202 by the seal portion 301.
In the embodiment of the invention, the sealing element 30 can be made of rubber, the sealing effect is better, the sealing element 30 can be tightly attached to the pump head 20 when the elastic element 40 pushes, so that the sealing element 30 can seal the discharge channel 202 more tightly, preferably, the thickness of the annular connecting part 302 is smaller than that of the sealing part 301, the annular connecting part 302 is formed with an annular groove, when fluid enters the transit cavity P20, the fluid can enter the annular connecting part 302 to enable the pressure of the fluid to push the annular connecting part 302 to deform towards the direction of the diaphragm pump body 10, the sealing part 301 can deflect towards the direction of the diaphragm pump body 10, the discharge channel 202 can be opened and discharged, when the water pump stops running, the fluid in the discharge channel 202 can be emptied to generate a certain negative pressure, and the elastic element 40 can elastically push the sealing part 301, so that the sealing part 301 stretches the annular connecting part 302 to deform and seal the discharge channel 202, and therefore the discharge channel 202 can be rapidly closed, and the sealing effect is better.
Specifically, the diaphragm pump body 10 includes a middle rotary seat 101, a diaphragm seat 102 and a diaphragm cover 103, wherein the top of the middle rotary seat 101 is fixed with the sealing member 30, the top of the middle rotary seat 101 is provided with a first convex stage 1011 and a groove 1012 at the outer periphery of the first convex stage 1011, the sealing member 30 is provided with a through hole 303 corresponding to the first convex stage 1011 and a second convex stage 304 at the outer periphery of the through hole 303, when the sealing member 30 is fixed with the middle rotary seat 101 in a sealing manner, the first convex stage 1011 is embedded with the through hole 303 and the second convex stage 304 is embedded with the groove 1012, the diaphragm seat 102 is arranged below the middle rotary seat 101, the diaphragm seat 102 is provided with a plurality of diaphragm members 104, each diaphragm member 104 is provided with a pump chamber, the diaphragm cover 103 is arranged between the diaphragm seat 102 and the middle rotary seat 101, the center position of the top of the diaphragm cover 103 is provided with a middle rotary groove 1033 communicated with the through hole 1034, the middle rotary groove 1033 is arranged in the middle rotary groove 1034, the middle rotary groove 1033 is communicated with the middle rotary groove 1033, and a plurality of first inlet grooves 1031 are arranged in the circumferential direction and are embedded with a plurality of corresponding first inlet grooves 1031, each inlet grooves 1031 are communicated with the first inlet grooves 1031 in one-to-one.
Further, the top of the transfer seat 101 is provided with a second inlet groove 1014, a plurality of second inlet holes 1015 are arranged in the second inlet groove 1014 in one-to-one correspondence with the first inlet groove 1031, wherein the sealing member 30 is provided with a third inlet hole 305, the third inlet hole 305 communicates the second inlet groove 1014 with the suction channel 201, and the third inlet hole 305 is not communicated with the transfer cavity P20.
Further, the first step 1011 is provided with a drain 1013 which is not communicated with the isolation chamber P10 and the second entry groove 1014, and the drain 1013 communicates the relay chamber 1033 and the relay chamber P20 with each other.
As shown in fig. 2, the arrows in fig. 2 show the flow direction of the fluid, the fluid is sequentially compressed by the suction channel 201, the third inlet hole 305, the second inlet groove 1014, the second inlet hole 1015, the first inlet groove 1031 and the first inlet hole 1032 entering the pump chamber, the compressed fluid sequentially enters the transfer chamber P20 from the pump chamber, the transfer hole 1034, the transfer groove 1033 and the outlet hole 1013 and is discharged from the outlet channel 202, the transfer chamber P20 and the third inlet hole 305 are not communicated with each other during the fluid entering process, the fluid directly enters the second inlet groove 1014 from the suction channel 201 through the third inlet hole 305, the second inlet groove 1014 is not communicated with the outlet hole 1013 and the isolation chamber P10, the fluid directly enters the first inlet groove 1031 from the second inlet hole 1015 in the second inlet groove 1014 and is compressed by the first inlet hole 1032, the fluid in the pump chamber unidirectionally flows into the transfer groove 1033 from the pump chamber via the first 1032 when the compressed fluid 1032 is discharged, the fluid directly enters the second inlet groove 1033 from the pump chamber through the transfer groove 1013, and is more stably discharged from the transfer groove 1033 through the outlet hole 103, and is more stably discharged from the sealing chamber P20.
Referring to fig. 4 and 5, the middle swivel base 101 is provided with a vent hole 1016 communicating with the isolation cavity P10, an extension groove 1017 is provided at the bottom of the middle swivel base 101 to connect one of the second inlet holes 1015 with the vent hole 1016, and when the sealing member 30 deforms toward the middle swivel base 101, air in the isolation cavity P10 is discharged through the vent hole 1016 and the extension groove 1017.
In the present embodiment, when the discharge passage 202 is opened, the sealing portion 301 is biased toward the isolation chamber P10 and pushes the air in the isolation chamber P10 so that the air in the isolation chamber P10 can be discharged from the air release hole 1016, the sealing portion 301 is opened more smoothly, and since the extension groove 1017 is provided at the bottom of the transfer seat 101, when the fluid enters the second entry groove 1014, the fluid does not enter the isolation chamber P10 from the extension groove 1017, and the sealing portion 301 opens and closes the discharge passage 202 more simply and stably.
Referring to fig. 2 and 6, the diaphragm pump body 10 further includes a valve plate 105, a plurality of umbrellas Ding Fa and a check valve 107, where the valve plate 105 is disposed between the middle rotary seat 101 and the diaphragm cover 103 and has a profiling hole 1051 adapted to the first inlet groove 1031, the valve plate 105 is used to separate gaps between the transfer groove 1033 and the first inlet grooves 1031, the plurality of umbrellas Ding Fa are respectively disposed in the first inlet grooves 1031 to respectively control unidirectional conduction of the first inlet holes 1032, and the check valve 107 is disposed in the transfer groove 1033 to control unidirectional conduction of the transfer hole 1034.
The valve plate 105 can prevent sucked fluid from penetrating into the outside or sucking into the transfer groove 1033, so that the tightness between the middle rotary seat 101 and the diaphragm cover 103 is better, the fluid entering from the second inlet hole 1015 can enter the first inlet groove 1031 through the profiling hole 1051 and cannot enter the transfer groove 1033, the umbrella Ding Fa arranged in the first inlet groove 1031 can push the umbrella Ding Fa 106 to move towards the pump chamber when the fluid enters the first inlet groove 1031, then the first inlet hole 1032 is opened to enable the fluid to enter the pump chamber, when the fluid is compressed in the pump chamber, the umbrella Ding Fa moves towards the direction away from the pump chamber, then the first inlet hole 1032 is closed, so that backflow of the fluid into the first inlet groove 1031 is avoided, meanwhile, the fluid can push the one-way valve 107 to move towards the direction away from the pump chamber and open the transfer hole 1034, so that the fluid enters the transfer groove 1033 and enters the transfer chamber P20 from the outlet hole 1013, and therefore, the fluid is more stable and smooth to be delivered.
Referring to fig. 5, the pump head 20 has a flange 203 on a side near the seal member 30, and the flange 203 blocks the suction passage 201 and the transfer chamber P20 from each other when the pump head 20 is fixed to the seal member 30. The sealing member 30 may be disposed in a groove corresponding to the flange 203, so that the flange 203 may be embedded in the groove to separate the suction channel 201 and the transfer chamber P20 from each other, thereby having better separation effect and stronger sealing performance.
Referring to fig. 6, the driving assembly 50 further includes a driving motor 501, an eccentric driving member 502 and a housing seat 503, wherein the eccentric driving member 502 is connected with the diaphragm pump body 10, the housing seat 503 is disposed below the diaphragm pump body 10 and is used for housing the eccentric driving member 502, and an output shaft of the driving motor 501 extends into the housing seat 503 and is connected with the eccentric driving member 502 to drive the eccentric driving member 502 to circularly move.
Further, the eccentric driving part 502 comprises a swinging frame 5022 and an eccentric wheel 5021, the swinging frame 5022 is connected with the diaphragm pump body 10, one side of the eccentric wheel 5021 is connected with an output shaft of the driving motor 501, and the other side of the eccentric wheel 5021 is connected with the swinging frame 5022.
In the embodiment of the invention, the swinging frame 5022 is connected with the diaphragm member 104, and when the driving motor 501 drives the eccentric wheel 5021 to rotate, the eccentric wheel 5021 can drive the swinging frame 5022 to swing, so that the swinging frame 5022 compresses or stretches the diaphragm member 104 to compress and discharge fluid entering the pump chamber, and thus the circulation is performed, and the integral continuous stable operation is ensured.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (8)
1. An anti-drip water pump, comprising:
A diaphragm pump body for sucking or discharging a fluid;
A pump head disposed above the diaphragm pump body, the pump head having a suction passage for sucking the fluid and a discharge passage for discharging the fluid;
the sealing piece is arranged between the diaphragm pump body and the pump head, an isolation cavity is jointly defined between the sealing piece and the diaphragm pump body, and a transfer cavity communicated with the discharge channel is jointly defined between the sealing piece and the pump head;
The elastic piece is arranged in the isolation cavity and abuts against the sealing piece to elastically push the sealing piece to seal the discharge channel in a natural state;
when the fluid is discharged by the diaphragm pump body and enters the transfer cavity, the sealing piece is extruded by the fluid to overcome the elastic force of the elastic piece and deform towards the direction of the diaphragm pump body, so that the discharge channel is opened and the fluid is discharged;
the sealing member has a sealing portion provided corresponding to the discharge passage, an annular connecting portion is formed in a circumferential direction of the sealing portion, a thickness of the annular connecting portion is smaller than that of the sealing portion, and when the sealing portion is pushed by the elastic member or the fluid, the annular connecting portion is deformed to close or open the discharge passage;
The diaphragm pump body includes:
The sealing device comprises a sealing piece, a middle rotating seat, a sealing piece and a sealing piece, wherein the top of the middle rotating seat is fixed with the sealing piece, a first convex step and a groove positioned at the outer periphery of the first convex step are arranged at the top of the middle rotating seat, the sealing piece is provided with a through hole which is correspondingly arranged with the first convex step, and a second convex step positioned at the outer periphery of the through hole, when the sealing piece is fixed with the middle rotating seat in a sealing way, the first convex step is embedded with the through hole, and the second convex step is embedded with the groove;
the diaphragm seat is arranged below the transfer seat, a plurality of diaphragm pieces are arranged on the diaphragm seat, and each diaphragm piece is provided with a pump chamber;
the diaphragm cover is arranged between the diaphragm seat and the transfer seat, a transfer groove communicated with the through hole is arranged in the center of the top of the diaphragm cover, a transfer hole is arranged in the transfer groove, and the transfer hole is communicated in one direction from the pump chamber to the transfer groove;
And the first inlet grooves are positioned in the circumferential direction of the transfer groove and correspond to the pump chambers one by one, a plurality of first inlet holes are formed in each first inlet groove, and the first inlet holes are communicated in one way from the first inlet grooves to the pump chambers.
2. The drip-proof water pump as claimed in claim 1, wherein the top of the transit seat is provided with a second inlet groove, and a plurality of second inlet holes which are arranged in one-to-one correspondence with the first inlet groove are arranged in the second inlet groove;
The sealing piece is provided with a third inlet hole, the third inlet hole is used for communicating the second inlet groove with the suction channel, and the third inlet hole is not communicated with the transfer cavity.
3. The drip resistant water pump as in claim 2, wherein said transfer seat has a vent hole in communication with said isolation chamber, an extension groove is provided in the bottom of said transfer seat to connect one of said second inlet holes to said vent hole, and when said seal is deformed in the direction of said transfer seat, air in said isolation chamber is exhausted through said vent hole and said extension groove.
4. The drip resistant water pump as in claim 2 wherein said first step is provided with a drain hole not in communication with said isolation chamber and said second inlet groove, said drain hole interconnecting said transit groove and said transit chamber.
5. The drip resistant water pump as in claim 1, wherein the diaphragm pump body further comprises:
The valve plate is arranged between the middle rotary seat and the diaphragm cover and is provided with a profiling hole matched with the first entering groove, and the valve plate is used for mutually isolating gaps between the middle rotary seat and the first entering grooves;
The umbrellas Ding Fa are respectively arranged in the first access grooves and are used for respectively controlling the first access holes to be conducted in a unidirectional mode;
And the one-way valve is arranged in the transfer groove and used for controlling the one-way conduction of the transfer hole.
6. The drip resistant water pump as in claim 1 wherein said pump head has a flange on a side thereof adjacent said seal, said flange isolating said suction passage from said transfer chamber when said pump head is secured to said seal.
7. The drip resistant water pump as in claim 1, further comprising a drive assembly including a drive motor, an eccentric drive member and a housing seat, the eccentric drive member being connected to the diaphragm pump body, the housing seat being disposed below the diaphragm pump body for housing the eccentric drive member, an output shaft of the drive motor extending into the housing seat to be connected to the eccentric drive member for driving the eccentric drive member to move in a cycle.
8. The drip resistant water pump as in claim 7, wherein said eccentric drive member comprises a swing frame and an eccentric, said swing frame being coupled to said diaphragm pump body, one side of said eccentric being coupled to an output shaft of said drive motor, and the other side being coupled to said swing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010830792.0A CN111852830B (en) | 2020-08-18 | 2020-08-18 | Anti-drip water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| TWI742946B (en) * | 2020-11-30 | 2021-10-11 | 上藝興業有限公司 | Vacuum pump and soap supply device |
| CN113202732A (en) * | 2021-06-02 | 2021-08-03 | 深圳市时光电子有限公司 | Diaphragm pump and drinking water equipment with same |
| CN113638868B (en) * | 2021-08-09 | 2025-03-14 | 厦门科际精密器材有限公司 | A series diaphragm mechanism and a series fluid pump including the mechanism |
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| CN109838372B (en) * | 2019-02-19 | 2024-06-07 | 深圳市时光电子有限公司 | Gas diaphragm pump |
| CN210343663U (en) * | 2019-07-15 | 2020-04-17 | 深圳市时光电子有限公司 | Improved pump device |
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