阅读说明：本技术 具有止水功能的水泵 (Water pump with water stopping function ) 是由 张克海 龙大林 于 2021-10-15 设计创作，主要内容包括：本发明涉及一种具有止水功能的水泵,包括泵体和输送装置,泵体设置有进水嘴和出水嘴,输送装置驱动流体从进水嘴向出水嘴流动,泵体内设置有在输送装置不工作时阻挡流体从出水嘴流出的止水装置。采用上述方案,本发明提供一种避免流体泄露的带止水功能的水泵。(The invention relates to a water pump with a water stopping function, which comprises a pump body and a conveying device, wherein the pump body is provided with a water inlet nozzle and a water outlet nozzle, the conveying device drives fluid to flow from the water inlet nozzle to the water outlet nozzle, and the pump body is internally provided with a water stopping device which stops the fluid from flowing out of the water outlet nozzle when the conveying device does not work. By adopting the scheme, the invention provides the water pump with the water stopping function, which can avoid fluid leakage.)

1. The utility model provides a water pump with stagnant water function, includes the pump body and conveyor, the pump body be provided with inlet nozzle and faucet, conveyor drive fluid flow its characterized in that from the inlet nozzle to the faucet: and a water stopping device for stopping fluid from flowing out of the water outlet nozzle when the conveying device does not work is arranged in the pump body.

2. The water pump with a water stopping function according to claim 1, characterized in that: conveyor have with the exit end of faucet UNICOM and with the entrance point of intake nozzle UNICOM, sealing device include stagnant water diaphragm, stagnant water passageway, stagnant water elastic component and prepressing chamber, stagnant water passageway one end as stagnant water end, the other end as UNICOM end and exit end UNICOM, the faucet stretch into in the stagnant water passageway and be provided with the sealed end that extends to stagnant water end, stagnant water diaphragm seal stagnant water end when with the sealed cooperation of end, prepressing chamber be located the opposite side of the relative stagnant water passageway of the pump body, prepressing chamber as the deformation space of stagnant water diaphragm, prepressing chamber and intake nozzle UNICOM, stagnant water elastic component set up and prepressing intracavity and reset stagnant water diaphragm to sealed end.

3. The water pump with a water stopping function according to claim 2, characterized in that: the water-stopping elastic part is a tower spring, and the prepressing cavity and the water-stopping diaphragm are respectively provided with assembling bulges which are positioned at two ends of the tower spring and are matched with the inner side shape of the end part.

4. The water pump with a water stopping function according to claim 2, characterized in that: the pump body including the lid of intaking and the support that goes out water, faucet and stagnant water passageway set up in the support that goes out water, the faucet set up in the lid of intaking, the stagnant water diaphragm install in intaking between lid and the support that goes out water, the support that goes out water be provided with the inhalant canal with entrance point UNICOM around the stagnant water passageway, the stagnant water diaphragm set up the via hole with inhalant canal and inhalant canal UNICOM.

5. The water pump with a water stopping function according to claim 4, characterized in that: go out water support be provided with the assembly platform with the laminating of stagnant water diaphragm, assembly platform be provided with spacing wall around stagnant water diaphragm periphery, assembly platform be provided with the first retaining ring unanimous with stagnant water end shape, stagnant water diaphragm be provided with the arc deformation portion of crossing first retaining ring, assembly platform be provided with the second retaining ring of via hole shape looks adaptation, the lid of intaking be provided with and press the stagnant water diaphragm in assembly platform's pressing ring, the pressing ring inside as prepressing chamber.

6. The water pump with a water stopping function according to claim 4, characterized in that: the conveying device comprises a fixed base, a compression piece support, an one-way membrane support, a motor, an eccentric wheel, a linkage disk, a compression piece, a central one-way membrane and a lateral one-way membrane, wherein the one-way membrane support, the compression piece support and the fixed base are sequentially fixed on the other side of the water inlet cover relative to the water outlet support, the periphery of the compression piece is fixed between the one-way membrane support and the compression piece support and internally separates the two, the compression piece is provided with a plurality of deformation chambers protruding towards the compression piece support along the circumferential direction, the compression piece support is provided with a water inlet communicating the water inlet channel with the deformation chambers and serving as the water inlet end and a water outlet communicating the water stop channel with the deformation chambers and serving as the water outlet end, the lateral one-way membrane is positioned at the water inlet and seals the water inlet when the deformation chambers are compressed, the central one-way membrane is positioned at the water outlet and seals the water outlet when the deformation chambers are expanded, the compression plate support and the inside of the fixed base are communicated to form a driving cavity, the motor is provided with an output shaft extending to the driving cavity, the eccentric wheel is installed on the output shaft, and the linkage disc is arranged between the eccentric wheel and the deformation chamber in a linkage mode and stretches or presses the deformation chamber when the output shaft rotates.

Technical Field

The invention relates to the field of water pumps, in particular to a water pump with a water stopping function.

Background

The water pump is a machine for delivering or pressurizing a liquid, and transfers mechanical energy of a prime mover or other external energy to the liquid, so that the energy of the liquid is increased.

Current water pump includes the pump body and conveyor, be provided with the runner in the pump body, the runner is provided with inlet tap and faucet, conveyor drive fluid flows to the faucet from the inlet tap, when conveyor is one-way membrane structure and inlet tap and has hydraulic pressure, this hydraulic pressure can make the fluid pass conveyor and reach the faucet, lead to the fluid to reveal, for the emergence of avoiding this kind of condition, must install the water pump in water tank upper portion, lead to the limitation of water pump mounted position, or increase the check valve at the water pump end, in time seal the faucet and need certain hydraulic pressure force just can open, lead to the increase of the water route design degree of difficulty and be difficult to in the management and control.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a water pump with a water stopping function, which can avoid fluid leakage.

In order to achieve the purpose, the invention provides the following technical scheme: including the pump body and conveyor, the pump body be provided with inlet tap and faucet, conveyor drive fluid flow its characterized in that to the faucet from the inlet tap: and a water stopping device for stopping fluid from flowing out of the water outlet nozzle when the conveying device does not work is arranged in the pump body.

Through adopting above-mentioned technical scheme, integrate water stop device in the pump body, on the one hand, can not produce when conveyor is out of work and leak, remove the limitation to water pump mounted position, on the other hand, save and install the check valve on the water route, reduce the water route design degree of difficulty.

The invention is further configured to: conveyor have with the exit end of faucet UNICOM and with the entrance point of intake nozzle UNICOM, sealing device include stagnant water diaphragm, stagnant water passageway, stagnant water elastic component and prepressing chamber, stagnant water passageway one end as stagnant water end, the other end as UNICOM end and exit end UNICOM, the faucet stretch into in the stagnant water passageway and be provided with the sealed end that extends to stagnant water end, stagnant water diaphragm seal stagnant water end when with the sealed cooperation of end, prepressing chamber be located the opposite side of the relative stagnant water passageway of the pump body, prepressing chamber as the deformation space of stagnant water diaphragm, prepressing chamber and intake nozzle UNICOM, stagnant water elastic component set up and prepressing intracavity and reset stagnant water diaphragm to sealed end.

By adopting the technical scheme, when a fluid enters the water inlet nozzle, a small part of the fluid enters the prepressing cavity to form prepressing force on the water-stopping diaphragm, a large part of the fluid passes through the conveying device to reach the water-stopping channel, the water pressure in the water-stopping channel is consistent with the water pressure in the prepressing cavity, the balance of the water-stopping diaphragm can be maintained, the water-stopping elastic piece generates extra reset force, the water-stopping diaphragm can be stably kept in a sealing state with a sealing end, the possibility of fluid leakage is avoided, the water-stopping elastic piece generates a small amount of reset force to realize the effect, the pressure required for opening is small, and the stable work and the quick start of the water pump are ensured.

The invention is further configured to: the water-stopping elastic part is a tower spring, and the prepressing cavity and the water-stopping diaphragm are respectively provided with assembling bulges which are positioned at two ends of the tower spring and are matched with the inner side shape of the end part.

Through adopting above-mentioned technical scheme, the cooperation of tower spring assembly is protruding, can be accurate, stable, evenly act on the stagnant water diaphragm, makes the more stable that resets of stagnant water diaphragm.

The invention is further configured to: the pump body including the lid of intaking and the support that goes out water, faucet and stagnant water passageway set up in the support that goes out water, the faucet set up in the lid of intaking, the stagnant water diaphragm install in intaking between lid and the support that goes out water, the support that goes out water be provided with the inhalant canal with entrance point UNICOM around the stagnant water passageway, the stagnant water diaphragm set up the via hole with inhalant canal and inhalant canal UNICOM.

Through adopting above-mentioned technical scheme, with inlet channel design to stagnant water passageway periphery to set up the via hole with inlet channel and water inlet nozzle UNICOM at the stagnant water diaphragm, make the inside runner structure of pump body more compact.

The invention is further configured to: go out water support be provided with the assembly platform with the laminating of stagnant water diaphragm, assembly platform be provided with spacing wall around stagnant water diaphragm periphery, assembly platform be provided with the first retaining ring unanimous with stagnant water end shape, stagnant water diaphragm be provided with the arc deformation portion of crossing first retaining ring, assembly platform be provided with the second retaining ring of via hole shape looks adaptation, the lid of intaking be provided with and press the stagnant water diaphragm in assembly platform's pressing ring, the pressing ring inside as prepressing chamber.

Through adopting above-mentioned technical scheme, outer spacing wall cooperation holding ring realizes stagnant water diaphragm and the accurate location of play water support, and the rational utilization is intake and is covered with the fixed cooperation of play water support, on the one hand, stably presses stagnant water diaphragm in a water support, and on the other hand forms the pre-compaction chamber, makes assembly structure more retrench, and in addition, arc deformation portion is crossed as stagnant water diaphragm's deformation position when first holding ring, and the structure is more reasonable, compact.

The invention is further configured to: the conveying device comprises a fixed base, a compression piece support, an one-way membrane support, a motor, an eccentric wheel, a linkage disk, a compression piece, a central one-way membrane and a lateral one-way membrane, wherein the one-way membrane support, the compression piece support and the fixed base are sequentially fixed on the other side of the water inlet cover relative to the water outlet support, the periphery of the compression piece is fixed between the one-way membrane support and the compression piece support and internally separates the two, the compression piece is provided with a plurality of deformation chambers protruding towards the compression piece support along the circumferential direction, the compression piece support is provided with a water inlet communicating the water inlet channel with the deformation chambers and serving as the water inlet end and a water outlet communicating the water stop channel with the deformation chambers and serving as the water outlet end, the lateral one-way membrane is positioned at the water inlet and seals the water inlet when the deformation chambers are compressed, the central one-way membrane is positioned at the water outlet and seals the water outlet when the deformation chambers are expanded, the compression plate support and the inside of the fixed base are communicated to form a driving cavity, the motor is provided with an output shaft extending to the driving cavity, the eccentric wheel is installed on the output shaft, and the linkage disc is arranged between the eccentric wheel and the deformation chamber in a linkage mode and stretches or presses the deformation chamber when the output shaft rotates.

Through adopting above-mentioned technical scheme, the output shaft of motor is rotatory, drive the swing of linkage disc by the eccentric wheel, the swing in-process, tensile or press the deformation chamber, when tensile, become the chamber expansion, the one-way membrane in center seals the delivery port, the fluid of intake nozzle gets into the deformation chamber gradually, when pressing, it compresses tightly to become the chamber pressure, the one-way membrane in side seals the water inlet, the fluid outflow delivery port that has got into the deformation chamber, thereby realize the drive action that flows the fluid from the intake nozzle to the faucet, and carry stably.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a top view of an embodiment of the present invention;

FIG. 3 is a sectional view taken along line A of FIG. 2;

FIG. 4 is a perspective view of a water inlet cover according to an embodiment of the present invention;

FIG. 5 is an exploded view of the tower spring and water stop diaphragm in an embodiment of the present invention;

FIG. 6 is a top view of a water stand according to an embodiment of the present invention;

FIG. 7 is a bottom view of the drain support of the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-7, the invention discloses a water pump with a water stopping function, which comprises a pump body 1 and a conveying device 2, wherein the pump body 1 is provided with a water inlet nozzle 11 and a water outlet nozzle 12, the conveying device 2 drives fluid to flow from the water inlet nozzle 11 to the water outlet nozzle 12, the pump body 1 is internally provided with a water stopping device 5 which stops the fluid from flowing out of the water outlet nozzle 12 when the conveying device 2 does not work, and the water stopping device 5 is integrated into the pump body 1.

The conveying device 2 is provided with an outlet end communicated with the water outlet nozzle 12 and an inlet end communicated with the water inlet nozzle 11, the water stopping device 5 comprises a water stopping membrane 51, a water stopping channel 52, a water stopping elastic member 53 and a prepressing cavity 54, one end of the water stopping channel 52 is used as a water stopping end 521, the other end of the water stopping channel is used as a communicating end 522 and is communicated with the outlet end, two parts 521 and 522 in the figure 3 are in a separated state and are caused by the position of a section and are in a communicated state, the water outlet nozzle 12 extends into the water stopping channel 52 and is provided with a sealing end 121 extending to the water stopping end 521, the water stopping membrane 51 seals the water stopping end 521 and is in sealing fit with the sealing end 121, the prepressing cavity 54 is positioned on the other side of the pump body 1 relative to the water stopping channel 52, the prepressing cavity 54 is used as a deformation space of the water stopping membrane 51, the prepressing cavity 54 is communicated with the water inlet nozzle 11, the prepressing cavity 54 is provided with a bypass hole communicated with the water inlet nozzle 11, the water stopping elastic member 53 is arranged in the prepressing cavity 54 and resets the water stopping membrane 541 towards the sealing end 121, when fluid enters the water inlet nozzle 11, a small part of the fluid enters the pre-pressing cavity 54 to form pre-pressing force on the water-stopping diaphragm 51, a large part of the fluid passes through the conveying device 2 and reaches the water-stopping channel 52, the water pressure in the water-stopping channel 52 is consistent with the water pressure in the pre-pressing cavity 54, the water-stopping diaphragm 51 can be kept balanced, the water-stopping elastic piece 53 generates additional reset force, the water-stopping diaphragm 51 can be stably kept in a sealing state with the sealing end 121, the possibility of fluid leakage is avoided, the water-stopping elastic piece 53 can generate a small amount of reset force to realize the purpose, the pressure required for opening is small, the stable operation and the quick start of the water pump are ensured, and meanwhile, certain sealing resistance is generated during backflow.

The water stopping elastic piece 53 is a tower spring, the prepressing cavity 54 and the water stopping diaphragm 51 are respectively provided with assembling protrusions 542 which are positioned at two ends of the tower spring and are matched with the shapes of the inner sides of the end parts, and the tower spring is matched with the assembling protrusions 542, so that the water stopping diaphragm 51 can be accurately, stably and uniformly acted, and the water stopping diaphragm 51 is more stably reset.

The pump body 1 includes the lid 14 and the support 13 of going out water of intaking, faucet 12 and stagnant water passageway 52 set up in the support 13 of going out water, intake nozzle 11 sets up in the lid 14 of intaking, stagnant water diaphragm 51 is installed between the lid 14 of intaking and the support 13 of going out water, it is provided with inlet channel 131 with entrance end UNICOM around stagnant water passageway 52 to go out water support 13, stagnant water diaphragm 51 is seted up the via hole 511 with inlet channel 131 and 11 UNICOM of intaking, intake channel 131 designs to stagnant water passageway 52 periphery, and set up the via hole 511 with inlet channel 131 and 11 UNICOM of intaking at stagnant water diaphragm 51, make the internal flow path structure of pump body 1 more compact.

The water outlet support 13 is provided with an assembly platform 132 attached to the water stop membrane 51, the assembly platform 132 is provided with a limit wall 1321 around the periphery of the water stop membrane 51, the assembly platform 132 is provided with a first positioning ring 1322 in accordance with the shape of the water stop end 521, the water stop membrane 51 is provided with an arc-shaped deformation part 512 crossing the first positioning ring 1322, the assembly platform 132 is provided with a second positioning ring 1323 in accordance with the shape of the through hole 511, the water inlet cover 14 is provided with a pressing ring 141 pressing the water stop membrane 51 on the assembly platform 132, the inside of the pressing ring 141 is used as a pre-pressing cavity 54, the outer limit wall 1321 is matched with the positioning ring to realize accurate positioning of the water stop membrane 51 and the water outlet support 13, the water inlet cover 14 is reasonably utilized to be fixedly matched with the water outlet support 13, on the one hand, the water stop membrane 51 is stably pressed on the water outlet support 13, on the other hand, the pre-pressing cavity 54 is formed to simplify the assembly structure, and in addition, the arc-shaped deformation part 512 crosses the first positioning ring 1322 and is used as the deformation position of the water stop membrane 51, the structure is more reasonable and compact.

The conveying device 2 comprises a fixed base 21, a compression sheet bracket 22, a one-way membrane bracket 23, a motor 24, an eccentric wheel 25, a linkage disc 26, a compression sheet 27, a central one-way membrane 28 and a side one-way membrane 29, wherein the one-way membrane bracket 23, the compression sheet bracket 22 and the fixed base 21 are sequentially fixed on the other side of the water outlet bracket 13 opposite to the water inlet cover 14, the periphery of the compression sheet 27 is fixed between the one-way membrane bracket 23 and the compression sheet bracket 22 and separates the two parts, the compression sheet 27 is provided with a plurality of deformation chambers 271 protruding towards the compression sheet bracket 22 along the circumferential direction, the number of the deformation chambers 271 is a plurality and is distributed along the circumferential direction, the compression sheet bracket 22 is provided with a water inlet 272 for communicating the water inlet channel 131 with the deformation chambers 271 to be used as a water inlet end and a water outlet 273 for communicating the water stop channel 52 with the deformation chambers 271 to be used as a water outlet end, the side one-way membrane 29 is positioned at the water inlet 272 and seals the water inlet 272 when the deformation chambers 271 is compressed, the central one-way diaphragm 28 is positioned at the water outlet 273 and closes the water outlet 273 when the deformation chamber 271 expands, the side one-way diaphragms 29 and the central one-way diaphragm 28 are both provided with a guide rod 281 which is in sliding fit with the one-way diaphragm support 23, the compression plate support 22 is communicated with the inside of the fixed base 21 to form a driving chamber 221, the motor 24 is provided with an output shaft 241 which extends to the driving chamber 221, the eccentric wheel 25 is installed on the output shaft 241, the linkage disc 26 is arranged between the eccentric wheel 25 and the deformation chamber 271 in a linkage manner and stretches or presses the deformation chamber 271 when the output shaft 241 rotates, a linkage rod 251 which forms the swinging of the linkage disc 26 is arranged between the linkage disc 26 and the eccentric wheel 25, the deformation chamber 271 is positioned in the driving chamber 221 and is provided with a deformation protrusion 274 which penetrates through the linkage disc 26 and is in linkage with the linkage disc 26, the deformation protrusion 274 is only schematically shown in fig. 3 and should be actually deformed synchronously with the linkage disc 26, the output shaft 241 of the motor 24 rotates, the linkage disc 26 is driven by the eccentric wheel 25 to swing, in the swinging process, the deformation chamber 271 is stretched or pressed, when the deformation chamber 271 is stretched, the deformation chamber is expanded, the central one-way membrane 28 seals the water outlet 273, the fluid of the water inlet nozzle 11 gradually enters the deformation chamber 271, when the deformation chamber is pressed, the side one-way membrane 29 seals the water inlet 272, and the fluid which enters the deformation chamber 271 flows out of the water outlet 273, so that the driving effect of flowing the fluid from the water inlet nozzle 11 to the water outlet nozzle 12 is realized, and the conveying is stable.