CN215890392U

CN215890392U - Water-gas delivery pump and micro system

Info

Publication number: CN215890392U
Application number: CN202122087304.4U
Authority: CN
Inventors: 查文婷
Original assignee: Shanghai Qingting Design Consulting Center
Current assignee: Shanghai Qingting Design Consulting Center
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-02-22
Anticipated expiration: 2031-09-01

Abstract

The utility model provides a water-gas delivery pump and a micro system, which comprise a pump body, wherein the pump body comprises a water inlet, a water storage cavity and a water outlet, the water inlet is used for allowing water to enter the water storage cavity, the water storage cavity is used for storing water, and the water outlet is used for discharging water out of the water storage cavity; the water storage cavity is sealed by an air bag to achieve the sealing effect; the air bag is connected with a driving mechanism for driving the air bag to reciprocate. The water-gas delivery pump provided by the utility model adopts the air bag to transport the substrate, and meanwhile, the air bag can achieve higher sealing performance and lower noise control, and compared with the traditional water pump, the water-gas delivery pump has lower power consumption and lower manufacturing cost.

Description

Water-gas delivery pump and micro system

Technical Field

The utility model relates to the technical field of water pumps, in particular to a water-gas delivery pump and a micro system.

Background

With the development of various industries and the improvement of science and technology, the water pump industry develops for decades, and miniature water pumps which are small in size and convenient to carry are increasingly popular with customers, and the miniature water pumps are applied to beauty instruments, dental oral equipment (tooth flushing device/water dental floss), water purifiers, humidifiers, cold air atomizing fans, steam electric irons, disinfection equipment and the like in the market at present, but the miniature pump products have some common diseases at present, for example: the pump body is easy to leak water, the size of the pump body is overlarge, the power efficiency is low, the noise is high, the structure is complex and the like, so that the design size of a whole machine product using the pumps cannot be smaller, the sealing performance is better, the cost is lower, and the noise control is lower. Meanwhile, the sealing structure required by the traditional water pump is more and more complex.

In view of the above, the present invention is particularly proposed.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a water-gas delivery pump, aiming at solving the problems of poor sealing performance and high noise of a micro water pump in the prior art.

The utility model provides a water-gas delivery pump which comprises a pump body, wherein the pump body comprises a water inlet, a water storage cavity and a water outlet, the water inlet is used for allowing water to enter the water storage cavity, the water storage cavity is used for storing water, and the water outlet is used for discharging water out of the water storage cavity; the water storage cavity is sealed by an air bag to achieve the sealing effect; the air bag is in a corrugated pipe shape and is connected with a driving mechanism for driving the air bag to reciprocate. Through the reciprocating motion of gasbag transports the medium, can guarantee the inside leakproofness of water pump to simultaneously because the gasbag is flexible, can stretch and flexible, can promote and reduce gasbag compression and tensile frequency through the adjustment motor revolution when transporting the medium and control the speed and the transportation dynamics of transporting the medium, also can strengthen or weaken the tensile and the compression capacity of gasbag through changing different eccentricity cams, be favorable to going to change the transportation dynamics and strengthen the leakproofness, simultaneously, will the gasbag sets up to the bellows form that is similar to the case funnel is the same, makes tensile and compression have the surplus when actuating mechanism stretches the gasbag, can not cause the injury to the gasbag.

Preferably, the driving mechanism comprises a cam and a motor for driving the cam to rotate, the cam is coaxially fixed with a driving shaft of the motor, and the motor drives the cam to drive the airbag to reciprocate. The driving shaft of the motor is coaxially fixed with the cam, so that the motor can be ensured to rotate to drive the cam to synchronously rotate, and the air bag is further pulled to reciprocate

Preferably, the driving mechanism further comprises a cam pull rod, and the cam pull rod is matched with the cam to drive the air bag to reciprocate.

Preferably, the driving mechanism further comprises a pull rod sliding limiting support, and the cam pull rod performs linear reciprocating motion along the pull rod sliding limiting support. The cam pull rod is arranged in the pull rod slide block limiting bracket, so that the cam pull rod can be limited, and the cam pull rod is ensured to do linear motion.

Preferably, the water storage chamber is disposed inside an airbag cover, and the airbag is disposed between an airbag base and the airbag cover. And overlapping the top of the air bag with the air bag top cover, fixing the air bag top cover with the air bag base through screws, and clamping the air bag to ensure the sealing property of the air pump.

Preferably, the water gas delivery pump further comprises an air bag pull rod for limiting, and the air bag is connected with a driving mechanism through the air bag pull rod. The gasbag pull rod with actuating mechanism connects, can guarantee actuating mechanism can not get into in the gasbag top cap, right actuating mechanism's motion is carried on spacingly, wherein, the gasbag through press rivet with sticky with the gasbag pull rod links together, prevent the gasbag with the gasbag pull rod breaks away from and leads to the aqueous vapor delivery pump to damage.

Preferably, the cam rotates to pull the cam pull rod, the cam pull rod pulls the air bag pull rod, and the air bag pull rod drives the air bag to reciprocate. With the cam drives the gasbag carries out reciprocating motion, can reduce noise and inside friction among the prior art, simultaneously, reduces the consumption, simplifies the structure, facilitates the use and maintains.

Preferably, a water inlet check valve is installed at the water inlet, and a water outlet check valve is installed at the water outlet. The arrangement of the water inlet check valve and the water outlet check valve can ensure that water can only enter the water storage cavity from the water inlet and can only be discharged from the water outlet, so that the running stability of the water pump is ensured, and the water outlet check valve and the water inlet check valve are optimally arranged inside the air bag top cover.

The utility model also provides a micro system comprising the water-gas delivery pump.

Preferably, the micro-system comprises any one of a tooth rinsing device, a tooth cleaning device, an oral medical device, a water purifier, a humidifier, a cold air atomizing fan, a steam electric iron, a sterilizing device, a water softening device, a face washing and cleaning device and a cooking device.

In conclusion, the pump of the utility model has low power, small vibration and low noise, the gear pump needs to reduce the rotating speed, but the effect is reduced after the rotating speed is reduced, and because the pump of the utility model has no gear friction, the produced sound is small and thick, the noise is sharp when the gear pump works, and simultaneously, the water seal of the pump of the utility model is incomparable to the gear pump, thereby meeting the requirements of the current market.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

FIG. 1 is an isometric view of a water vapor transfer pump of an embodiment of the present invention;

FIG. 2 is an exploded view of a water vapor transfer pump according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an air bag of the water gas delivery pump according to the embodiment of the present invention.

Wherein the content of the first and second substances,

1-water outlet; 2-water outlet one-way valve; 3-airbag top cover; 4-water inlet check valve; 5-a water inlet; 6-air bag base; 7-air bag; 8-cam; 9-cam pull rod; 10-a pull rod sliding limiting bracket; 11-motor fixing frame; 12-a motor; 13-air bag pull rod.

Detailed Description

The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and the detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope 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. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.

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.

In the description of the present invention, it should be noted that, unless otherwise specifically stated or limited, the terms "mounted," "connected," and "in communication" are to be construed broadly, e.g., as meaning either fixed or removable communication, or integral communication; either mechanically or electrically; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In order to more clearly illustrate the technical solution of the present invention, the following description is made in the form of specific embodiments.

Example 1

As shown in fig. 1-3, the utility model provides a water-gas delivery pump, which comprises a water outlet 1, a water outlet check valve 2, an air bag top cover 3, a water inlet 1 check valve 4, a water inlet 5, an air bag base 6, an air bag 7, a cam 8, a cam pull rod 9, a pull rod sliding limiting support 10, a motor fixing frame 11, a motor 12 and an air bag pull rod 13, wherein the motor fixing frame 11 is fixedly connected with the motor 12 to prevent the motor 12 from moving in the operation process of the water pump, a driving shaft of the motor 12 is coaxially fixed with the cam 8 to drive the cam 8 to synchronously rotate through the rotation of the motor 12, the cam 8 is sleeved in the cam pull rod 9, the cam pull rod 9 is connected with the air bag pull rod 13, the air bag pull rod 13 is connected with the bottom of the air bag 7 through pressure riveting and gluing, the middle part of the air bag 7 is sleeved between the air bag base 6, the top of gasbag 7 is pressed from both sides in gasbag top cap 3 with between the gasbag base 6, gasbag top cap 3 with gasbag base 6 is pressed close to through the screw thread closely, guarantees gasbag 7 with the leakproofness in the inside space of gasbag top cap 3, the internally mounted of gasbag top cap 3 the delivery port check valve 2 with the check valve of intaking, delivery port 1 is connected to delivery port check valve 2, the check valve of intaking is connected water inlet 5.

The airbag of the embodiment is designed to be of a corrugated folded structure, and specifically, the structure is shown in fig. 3, the upper half part of fig. 3 is a sectional view of the airbag, and the lower half part is a schematic view of the overall structure of the airbag, so that the airbag is designed to have a shape with allowance for stretching and compressing, and cannot cause damage to the airbag.

According to the utility model, the motor 12 rotates to drive the cam 8 to rotate, the cam 8 drives the cam pull rod 9 to transmit, the cam pull rod 9 reciprocates along the pull rod sliding limiting support 10 along the linear direction, the cam pull rod 9 drives the air bag pull rod 13 to reciprocate, and the air bag pull rod 13 drives the air bag 7 to reciprocate.

When the air bag 7 is stretched, the air bag 7 sucks a medium to be transported from the water inlet 5 through the water inlet check valve, when the air bag 7 is compressed, the air bag 7 discharges the transported medium from the water outlet 1 through the water outlet check valve 2, and the above motions complete one round of reciprocating motion.

One end of the cam pull rod 9 is a through hole matched with the shape of the cam 8, the cam 8 is arranged in the through hole, the other end of the cam pull rod 9 is a circular through hole, one end of the air bag pull rod 13 is a raised cylinder, and the cylinder is just arranged in the through hole, so that the cam 8 can be ensured not to drive the cam pull rod 9 to rotate when rotating, only the cam pull rod 9 is pulled to linearly move along the pull rod sliding limiting bracket 10, meanwhile, the cam pull rod 9 can also drive the air bag pull rod 13 to reciprocate, the disassembly and maintenance are convenient, similarly, the cam 8 can be connected with the cam pull rod 9 through a bearing, the outer circumferential surface of the cam 8 is lapped with the inner circumferential surface of the bearing, the outer circumferential surface of the bearing is connected with the cam pull rod 9, and the cam 8 can be ensured not to drive the cam pull rod 9 to rotate through the bearing, the normal operation of the water-gas delivery pump is realized.

The airbag 7 is arranged between the airbag top cover 3 and the airbag base 6, the airbag top cover 3 and the airbag base 6 are closely attached through screws, the top of the airbag 7 is clamped at the attachment position, a circular through hole is formed in the center of the airbag base 6, the airbag 7 is arranged in the through hole and can move along the through hole, when the airbag 7 moves, the airbag 7 pulls the airbag 7 to reciprocate through a pull rod, the airbag base 6 ensures that when the airbag 7 is stretched to the maximum limit, the airbag 7 still cannot be separated from the airbag 7, guides the airbag 7, prevents the airbag 7 from being incapable of recovering to the telescopic state after moving, and the airbag 7 pulls the cam pull rod 9 to be prevented from entering the airbag base 6, and ensures that the cam pull rod 9 is not separated from the pull rod sliding limit 10 support, ensuring the tightness and continuous movement of the balloon 7.

The cam 8 is matched with a driving shaft of the motor 12 through a square shaft square hole, a square hole is formed in the center of the cam 8, the tail end of the driving shaft of the motor 12 is a square shaft matched with the square hole, and through the matching of the square shaft and the square hole, the cam 8 with different eccentric distances can be selected to adjust the movement distance of the reciprocating motion of the air bag according to the actual situation during use, so that the water spraying amount of the water pump can be adjusted.

The water-gas delivery pump provided by the utility model does reciprocating motion with frequency, when the rotating speed of the motor 12 is constant, the speed and the pressure of an output medium can be realized by adjusting the eccentric distance between the cam pull rod 9 and the cam 8, and when the eccentric distance between the cam pull rod 9 and the cam 8 is constant, the speed and the pressure of the output medium can be realized by adjusting the rotating speed of the motor 12. Meanwhile, when the driving shaft of the motor 12 is long enough, the plurality of cams 8 can be driven to rotate simultaneously, and the combination of a plurality of groups of pump bodies driven by one motor 12 can work simultaneously.

When the water-gas delivery pump operates, for example, when the water-gas delivery pump operates on a tooth flushing device, the switch is pressed, the motor 12 is electrified and rotated to drive the cam 8 to rotate, the cam 8 rotates to drive the cam pull rod 9 to perform reciprocating linear motion along the pull rod sliding limiting support 10, then the cam pull rod 9 pulls the air bag pull rod 13 to perform reciprocating motion, the air bag pull rod 13 pulls the air bag 7 to perform reciprocating motion, when the air bag 7 is stretched, water is fed from the water inlet 5 through the water inlet 1 one-way valve 4 and then is stored in the air bag top cover 3, the water outlet one-way valve 2 is blocked, when the air bag 7 is compressed, the water inlet one-way valve is blocked, the water stored in the air bag top cover 3 is discharged from the water outlet 1 through the water outlet one-way valve 2, and meanwhile, the water is transferred through the reciprocating motion of the air bag 7, the water outlet 1 intermittently impacts water on the teeth to flush the teeth.

According to the existing water pump applied to the tooth washing device, patent No. CN112196759A discloses a pulse water pump and a tooth washing device, wherein the middle part of a pump pressing film is driven by gear transmission to reciprocate in the opening direction of a cavity of a pump pressure cavity, water flows through the water pump to realize the function of water impacting teeth, but the gear transmission is adopted, so that the noise of the water pump is high, lubricating oil is needed during the gear transmission, and the gear is abraded to a certain extent to cause transmission failure even if the lubricating oil is used for a long time, moreover, the gear transmission can cause the heated pump body, if the gear transmission is used for a long time, the tooth washing device can also cause the failure, on the other hand, the water flow is realized by driving the pump pressing film, and the pump pressing film is an elastic film, but no matter how good the elastic film is, the elasticity is weakened or even broken after long-time movement, once the elastic membrane is broken, water flows into the pump body, and accidents are likely to happen.

In order to avoid the accidents, the water and gas delivery pump provided by the utility model is also applied to the tooth washing device, but the utility model drives the air bag 7 to do reciprocating motion by the rotation of the cam 8, leads water to flow through the water pump, realizes the function of water impacting teeth, therefore, the driving mode used by the utility model is that the cam 8 rotates, the defects of high noise and high heat generation of gear transmission in the prior art are avoided, moreover, the utility model uses an air bag 7, which, in contrast to an elastic membrane, does not have a life span for the air bag 7, so that it can be used for a longer time, and at the same time, the present invention is provided with the cam rod 9 and the air bag rod 13, under the condition of ensuring the normal operation of the device, the device is also convenient to maintain and assemble, and meanwhile, the water pump for the tooth flushing device is smaller and has larger water yield compared with the water pump for the tooth flushing device provided by the patent because the cam 8 is used for transmission, so that the device can better meet the requirements of the current market.

The water-gas delivery pump of this example and the pulse water pump of example 1 of patent No. CN112196759A (comparative example 1) were installed on a tooth irrigator at the same time to work, and the comparison of the working states thereof revealed that:

example 1: when the rotating speed is 5000-.

Comparative example 1: when the rotation speed is 10000-13000 r, the membrane hardness is 100 degrees, the diameter of the water outlet is 0.80mm, the spraying distance is 6 meters, the water yield per minute is 180ml, and the power is 5-8 watts.

It can be seen from the comparative data above that the comparative example 1 is faster and more powerful when reaching substantially the approximate water output, which undoubtedly increases the noise and greatly reduces the life of the pump itself.

The water pumps in the prior art are mostly gear pumps, the gear pumps have high noise, the problem of water sealing is difficult to solve, because the gears are used, the friction is high, the vibration is high, the sound is large, the O-shaped ring can be quickly abraded under the driving of a 10000-rotation motor and then leaks water, some piston pumps are not sealed by the O-shaped ring, the piston pumps are directly sealed by plastic and plastic in a tensioning mode, the piston pumps are basically continuously used for hundreds of hours and can be damaged, and meanwhile, the power of the gear pumps in the prior art is doubled compared with that of the water and gas delivery pump.

Finally, it is to be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not intended to be limiting. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the utility model, and these changes and modifications are to be considered as within the scope of the utility model.

Claims

1. The water-gas delivery pump is characterized by comprising a pump body, wherein the pump body comprises a water inlet, a water storage cavity and a water outlet, the water inlet is used for allowing water to enter the water storage cavity, the water storage cavity is used for storing water, and the water outlet is used for discharging water out of the water storage cavity;

the water storage cavity is sealed by an air bag to achieve the sealing effect;

the air bag is in a corrugated pipe shape and is connected with a driving mechanism for driving the air bag to reciprocate.

2. The water-gas conveying pump as claimed in claim 1, wherein the driving mechanism comprises a cam and a motor for driving the cam to rotate, the cam is coaxially fixed with a driving shaft of the motor, and the motor drives the cam to drive the air bag to reciprocate.

3. The water-gas delivery pump according to claim 2, wherein the driving mechanism further comprises a cam pull rod, and the cam pull rod and the cam cooperate to drive the air bag to reciprocate.

4. The water-gas transfer pump as recited in claim 3, wherein the drive mechanism further comprises a lever slide limit bracket, and the cam lever reciprocates linearly along the lever slide limit bracket.

5. A water vapor transfer pump according to claim 1, wherein said water holding chamber is disposed within a bladder top cover, said bladder being disposed between a bladder base and said bladder top cover.

6. The water-gas conveying pump according to claim 3, further comprising an air bag pull rod for limiting, wherein the air bag is connected with the driving mechanism through the air bag pull rod.

7. The water-gas transfer pump as in claim 6, wherein said cam rotates to pull said cam linkage, said cam linkage pulls said air bag linkage, and said air bag linkage drives said air bag to reciprocate.

8. The water-gas conveying pump as claimed in claim 1, wherein a water inlet check valve is installed at the water inlet, and a water outlet check valve is installed at the water outlet.

9. A microsystem characterized in that it comprises a water vapor transfer pump according to any one of the preceding claims 1 to 8.

10. The microsystem as claimed in claim 9, wherein the microsystem comprises any one of a tooth rinsing device, a tooth cleaning device, an oral medical device, a water purifier, a humidifier, a cold air atomizing fan, a steam iron, a sterilizing device, a water softening device, a face washing and cleaning device, and a cooking device.