CN220337055U - Integrated miniature water pump - Google Patents

Abstract

The utility model discloses a deflection transmission mechanism and an integrated miniature water pump. The utility model can drive a plurality of evenly-arrayed positioning pieces on the swinging frame to sequentially and gradually swing one by one while the eccentric transmission block rotates, and has the advantages of accurate motion transmission, high transmission efficiency, small structure and compact layout; through clamping and fixing a plurality of air bags on the positioning piece one by one, the volume of each air bag can be sequentially changed through deflection of the air bags so as to change the air pressure in the air bags, the aim of sequentially opening and closing each umbrella stick is fulfilled, and continuous and quantitative liquid suction is realized; through establishing a plurality of gasbags as an organic whole type structure, both be convenient for production shaping, be convenient for assembly operation again, can solve the imbibition that leads to because of gasbag and setting element assembly failure and be insufficient or unable imbibition's problem, the drainage is smooth and easy, the water yield is stable.

Description

Integrated miniature water pump

Technical Field

The utility model relates to the technical field of miniature water pumps, in particular to an integrated miniature water pump.

Background

The water pump is generally provided with a water inlet passage and a water outlet passage, and the control of the flow direction and the flow rate of the liquid is realized by respectively controlling the one-way valves on the two passages. On the miniature water pump, the size of the air bag is controlled by utilizing the characteristic that the eccentric wheel can carry out linear reciprocating power output due to the limitation of the assembly space, so that the two one-way valves are controlled to be opened and closed; however, in practical application, the eccentric wheel needs to be matched with the pull rod to realize linear power output, and the displacement of the pull rod is in direct proportion to the eccentric amount of the eccentric wheel, but the sizes of the transmission pull rod and the eccentric wheel are limited by the installation space, so that the control force of the pull rod on the air bag is weaker, and the problem of unsmooth water outlet of the water pump occurs.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides an integrative miniature water pump, integrative miniature water pump is cylindrical structure, including end cover, valve plate, more than three gasbag, cylinder body and the drain pan of arranging in proper order, be equipped with in the drain pan one kind of technical scheme's beat drive mechanism, wherein:

the end cover is provided with a water inlet channel and a water outlet channel;

the valve plate is arranged on the end cover, a cavity communicated with the water inlet channel is formed in the valve plate, an annular bulge is formed in the center of the cavity, a base plate is arranged on the inner side of the bulge, the base plate is arranged below the water outlet channel in a matching mode, more than three umbrellas are uniformly arranged on the outer side of the bulge along the circumferential direction, the handle of each umbrellas passes through the valve plate and can slide relative to the valve plate, the umbrella part of each umbrellas is arranged on the outer side of the other end part of the valve plate, a plurality of first through holes and a plurality of second through holes are formed in the valve plate, a plurality of first through holes are formed in the placement positions of the base plate, and a plurality of second through holes are formed in the placement positions of each umbrellas;

the eccentric transmission block can be in transmission connection with a transmission shaft and can rotate under the transmission of the eccentric transmission block, the eccentric transmission block is obliquely arranged on the eccentric transmission block, the eccentric transmission block is arranged at one end part of the eccentric transmission block and is in transmission connection with the eccentric transmission block, one end part of the eccentric transmission block is of a spherical structure, more than three positioning pieces are uniformly arranged on the eccentric transmission block along the circumferential direction, and the eccentric transmission block can be driven by the eccentric transmission block to perform eccentric motion by taking the eccentric transmission block as a fulcrum and drive a plurality of positioning pieces on the eccentric transmission block to sequentially and continuously perform linear reciprocating motion;

the cylinder body is arranged on the valve plate, more than three air bags are uniformly arranged on the valve plate along the circumferential direction, the opening end of each air bag is matched with one umbrella part, and the tail end part of each air bag penetrates through the cylinder body and extends to one positioning piece;

the bottom shell is arranged on the cylinder body, a motor is arranged at one end of the bottom shell, and a transmission shaft of the motor penetrates through the bottom shell and is in transmission connection with the eccentric transmission block.

In the above technical scheme, a plurality of air bags are all arranged on a soft board and are integrally formed with the soft board, a first clamping groove and a plurality of third through holes are formed in one end portion of the cylinder body, the first clamping groove is matched with the soft board, and the third through holes are matched with the air bags one by one.

In the above technical scheme, a positioning block is arranged on the valve plate at the center of the inner side of the bulge, and a plurality of first through holes are uniformly arrayed on the periphery of the positioning block along the circumferential direction; the backing plate is a flexible backing plate, the end face of the backing plate facing the valve plate is a concave cambered surface and is covered above the first through holes, a groove matched with the positioning block is formed in the center of the cambered surface, and a guide block is arranged in the center of the other end portion of the backing plate.

In the above technical scheme, the end part of the valve plate, which faces the cylinder body, is provided with a plurality of second clamping grooves which are matched with the end parts of the air bags one by one, and each second clamping groove is communicated with one first through hole; the bottom of each second clamping groove is provided with a third clamping groove matched with one umbrella part, and each third clamping groove is communicated with a plurality of second through holes.

In the above technical scheme, the two opposite ends of the eccentric transmission block are respectively provided with a first blind hole and a second blind hole which are not intersected, the first blind hole is vertically arranged on the eccentric transmission block, and the second blind hole is matched with the eccentric swing rod and is obliquely arranged on the eccentric transmission block.

In the above technical scheme, the deflection frame comprises a positioning part and a transmission part, wherein the positioning part is provided with a hole column matched with the deflection rod, the end face of the transmission part is a spherical surface, the axis of the transmission part coincides with the central axis of the hole column, and a plurality of positioning pieces uniformly encircle the periphery of the hole column.

In the above technical scheme, a metal ball is further arranged at the bottom end part of the second blind hole, and the metal ball is in rolling connection with the eccentric swing rod and the eccentric transmission block.

Compared with the prior art, the utility model has the beneficial effects that: the eccentric transmission block rotates and a plurality of uniformly-arrayed positioning pieces on the eccentric transmission block are driven to sequentially and gradually perform deflection movement by inclining the eccentric transmission block, and the eccentric transmission block is provided with the deflection frame with the end face being a sphere at the end part of the eccentric transmission block, so that the eccentric transmission block is accurate in motion transmission, high in transmission efficiency, small in structure and compact in layout; through clamping and fixing a plurality of air bags on the positioning piece one by one, the volume of each air bag can be sequentially changed through deflection of the air bags so as to change the air pressure in the air bags, the aim of sequentially opening and closing each umbrella stick is fulfilled, and continuous and quantitative liquid suction is realized; by arranging a plurality of air bags into an integrated structure, the device is convenient for production and forming and assembly operation, and can solve the problem that the air bags and the positioning pieces are not sufficient in liquid absorption or cannot absorb liquid due to assembly errors; through setting up first through-hole, arch and backing plate on the valve plate, can be with the liquid of inhaling continuously send into the space that is linked together with the play water passageway and discharge, the drainage is smooth and easy, and the water yield is stable.

Drawings

FIG. 1 is a schematic diagram of a yaw drive mechanism of the present utility model;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic view of the eccentric drive block of FIG. 1;

FIG. 4 is a schematic view of the structure of the yaw deck of FIG. 1;

FIG. 5 is a schematic view of an exploded construction of the present utility model;

FIG. 6 is a schematic view of the structure of the valve plate of FIG. 5;

FIG. 7 is a schematic view of the valve plate of FIG. 5 from another perspective;

FIG. 8 is a schematic view of the structure of the shim plate of FIG. 5;

fig. 9 is a schematic view of the cylinder block of fig. 5.

In the figure: 1. an eccentric transmission block; 101. a first blind hole; 102. a second blind hole; 103. a fool-proof member; 2. a deflection rod; 3. a swing frame; 301. a positioning part; 302. a transmission part; 4. a positioning piece; 5. a metal ball; 6. a transmission shaft; 10. an end cap; 11. a water inlet channel; 12. a water outlet channel; 20. a valve plate; 21. a cavity; 22. a protrusion; 23. a first through hole; 24. a second through hole; 25. a positioning block; 26. a second clamping groove; 27. a third clamping groove; 30. an air bag; 40. a cylinder; 41. a first clamping groove; 42. a third through hole; 50. a bottom case; 60. a backing plate; 61. a cambered surface; 62. a groove; 63. a guide block; 70. an umbrella stick; 71. a handle; 72. an umbrella part; 80. a motor; 90. and (3) a soft board.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended for purposes of illustrating the present application and are not to be construed as limiting the present application. In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. 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 application, the meaning of "a number", "a plurality" or "a plurality" is two or more, unless explicitly defined otherwise. In the present application, 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; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be. In this application, 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, and may also include the first and second features not being in direct contact but being in contact with each other by way of 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 above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.

As shown in fig. 1-4, a deflection transmission mechanism comprises an eccentric transmission block 1, a deflection rod 2 and a deflection frame 3, wherein the eccentric transmission block 1 can be in transmission connection with a transmission shaft 6 and can rotate under the transmission of the eccentric transmission block, the deflection rod 2 is obliquely arranged on the eccentric transmission block 1, the deflection frame 3 is arranged at one end part of the deflection rod 2 and is in transmission connection with the deflection rod 2, one end part of the deflection frame 3 is of a spherical structure, more than three positioning pieces 4 are uniformly arranged on the spherical structure along the circumferential direction, and the deflection frame 3 can deflect by taking the deflection rod 2 as a pivot under the driving of the deflection rod 2 and sequentially and continuously carry out linear reciprocating motion with a plurality of positioning pieces 4 on the deflection frame.

In this embodiment, each positioning member 4 is a positioning hole groove.

Specifically, as shown in fig. 2 and 3, two opposite ends of the eccentric transmission block 1 are respectively provided with a first blind hole 101 and a second blind hole 102 which are not intersected, the first blind hole 101 is vertically arranged on the eccentric transmission block 1, and the second blind hole 102 is matched with the eccentric swing rod 2 and is obliquely arranged on the eccentric transmission block 1. In this embodiment, a foolproof member 103 is further provided at one end of the eccentric transmission block 1, so as to ensure that the transmission shaft 6 and the eccentric swing rod 2 are installed in a correct blind hole during the assembly operation.

Specifically, as shown in fig. 4, the swing frame 3 includes a positioning portion 301 and a transmission portion 302, a hole column adapted to the swing rod 2 is provided on the positioning portion 301, an end face of the transmission portion 302 is a spherical surface, wherein an axis coincides with a central axis of the hole column, and a plurality of positioning members 4 uniformly encircle the periphery of the hole column.

Specifically, as shown in fig. 2, a metal ball 5 is further disposed at the bottom end of the second blind hole 102, and the metal ball 5 is in rolling connection with the eccentric transmission block 1 and the eccentric swing rod 2.

In this embodiment, the eccentric transmission block 1 and the eccentric swing rod 2 are plastic parts, and in order to ensure that the eccentric transmission block 1 and the eccentric swing rod 2 can relatively rotate smoothly and slow down the wear of the eccentric transmission block and the eccentric swing rod, the second blind hole 102 is internally provided with the metal ball 5, so that the sliding friction between the plastic parts is converted into the rolling friction between the plastic parts and the metal parts, the friction resistance of the eccentric transmission block 1 and the eccentric swing rod 2 can be obviously reduced, and the kinetic energy utilization efficiency is improved.

According to the utility model, the deflection rod 2 is obliquely arranged on the eccentric transmission block 1, the deflection frame 3 with the end face being a sphere is arranged at the end part of the deflection rod 2, so that the deflection movement of a plurality of uniformly-arrayed positioning pieces 4 on the deflection frame 3 can be driven one by one in sequence while the eccentric transmission block 1 rotates, the motion transmission is accurate, the transmission efficiency is high, the structure is small, and the layout is compact.

As a specific application embodiment of the above embodiment, as shown in fig. 5, the integrated micro water pump is a cylindrical structure, and includes an end cover 10, a valve plate 20, three or more airbags 30, a cylinder 40 and a bottom shell 50, and the bottom shell 50 is internally provided with the yaw transmission mechanism in the above embodiment, where:

the end cover 10 is provided with a water inlet channel 11 and a water outlet channel 12;

the valve plate 20 is arranged on the end cover 10, a cavity 21 communicated with the water inlet channel 11 is arranged on the valve plate 20, an annular bulge 22 is arranged in the center of the cavity 21, a base plate 60 is arranged on the inner side of the bulge 22, the base plate 60 is arranged below the water outlet channel 12 in a matching way, more than three umbrellas 70 are uniformly arranged on the outer side of the bulge 22 along the circumferential direction, a handle 71 of each umbrellas 70 penetrates through the valve plate 20 and can slide relative to the valve plate 20, an umbrella 72 of each umbrellas 70 is arranged on the outer side of the other end part of the valve plate 20, a plurality of first through holes 23 and a plurality of second through holes 24 are arranged on the valve plate 20, a plurality of first through holes 23 are arranged at the placement positions of the base plate 60, and a plurality of second through holes 24 are arranged at the placement positions of each umbrellas 70;

the cylinder body 40 is arranged on the valve plate 20, more than three air bags 30 are uniformly arranged on the cylinder body along the circumferential direction, the opening end of each air bag 30 is matched with an umbrella part 72, and the tail end part of each air bag 30 passes through the cylinder body 40 and extends to a positioning piece 4;

the bottom shell 50 is arranged on the cylinder body 40, one end of the bottom shell is provided with a motor 80, and a transmission shaft 6 of the motor 80 penetrates through the bottom shell 50 and is in transmission connection with the eccentric transmission block 1.

Specifically, as shown in fig. 9, a plurality of air bags 30 are all arranged on a flexible board 90 and are integrally formed with the flexible board, a first clamping groove 41 and a plurality of third through holes 42 are arranged at one end of the cylinder body 40, the first clamping groove 41 is matched with the flexible board 90, and the plurality of third through holes 42 are matched with the air bags 30 one by one.

It can be understood that the utility model sets the plurality of air bags 30 into an integral structure, which is convenient for production and forming and assembly operation, and can solve the problem of insufficient or incapable liquid suction caused by the assembly error of the air bags 30 and the positioning piece 4.

Specifically, as shown in fig. 6-8, a positioning block 25 is arranged in the center of the inner side of the protrusion 22 on the valve plate 20, and a plurality of first through holes 23 are uniformly arrayed on the periphery of the positioning block 25 along the circumferential direction; the backing plate 60 is a flexible backing plate, the end face of the backing plate facing the valve plate 20 is a concave cambered surface 61 and is covered above the plurality of first through holes 23, a groove 62 matched with the positioning block 25 is arranged in the center of the cambered surface 61, and a guide block 63 is arranged in the center of the other end part of the backing plate 60; the end part of the valve plate 20 facing the cylinder body 40 is provided with a plurality of second clamping grooves 26 which are matched with the end part of the air bag 30 one by one, and each second clamping groove 26 is communicated with a first through hole 23; the bottom of each second clamping groove 26 is provided with a third clamping groove 27 matched with an umbrella 72, and each third clamping groove 27 is communicated with a plurality of second through holes 24.

When the device works, the motor 80 drives the deflection frame 3 to drive the positioning pieces 4 to deflect through the transmission shaft 6, each positioning piece 4 is limited by the air bag 30 arranged on the cylinder body, so that the volume of each air bag 30 is sequentially changed one by one, the air pressure in each air bag 30 is sequentially and repeatedly changed, the aim of sequentially opening and closing the umbrella butyl 70 at the end part of each air bag 30 is fulfilled, liquid entering the cavity 21 from the water inlet passage 11 gradually enters the first clamping groove 26 through the second through hole 24, enters the space formed by the bulge 22 on the valve plate 20 through the first through hole 23, pushes away the base plate 60 and then flows out from the water outlet passage 12.

According to the utility model, the plurality of air bags 30 are clamped and fixed on the positioning piece 4 one by one, the volume of each air bag 30 can be sequentially changed through deflection of the air bags, so that the internal air pressure of the air bags is changed, the purpose of sequentially opening and closing each umbrella stick 70 is realized, and the continuous and quantitative liquid suction is realized; by providing the first through hole 23, the projection 22 and the pad 60 on the valve plate 20, the sucked liquid can be continuously fed into the space communicating with the water outlet passage 12 and discharged, the water discharge is smooth, and the water outlet amount is stable.

The above description should not be taken as limiting the scope of the utility model, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model still fall within the scope of the technical solutions of the present utility model.

Claims (6)

1. The utility model provides a miniature water pump of integral type, its characterized in that, miniature water pump of integral type is cylindrical structure, including end cover, valve plate, more than three gasbag, cylinder body and the drain pan of arranging in proper order, the beat drive mechanism of installing in the drain pan, wherein:

the end cover is provided with a water inlet channel and a water outlet channel;

the valve plate is arranged on the end cover, a cavity communicated with the water inlet channel is formed in the valve plate, an annular bulge is formed in the center of the cavity, a base plate is arranged on the inner side of the bulge, the base plate is arranged below the water outlet channel in a matching mode, more than three umbrellas are uniformly arranged on the outer side of the bulge along the circumferential direction, the handle of each umbrellas passes through the valve plate and can slide relative to the valve plate, the umbrella part of each umbrellas is arranged on the outer side of the other end part of the valve plate, a plurality of first through holes and a plurality of second through holes are formed in the valve plate, a plurality of first through holes are formed in the placement positions of the base plate, and a plurality of second through holes are formed in the placement positions of each umbrellas;

the deflection transmission mechanism comprises an eccentric transmission block, a deflection rod and a deflection frame, wherein the eccentric transmission block can be in transmission connection with a transmission shaft and can rotate under the transmission of the eccentric transmission block, the deflection rod is obliquely arranged on the eccentric transmission block, the deflection frame is arranged at one end part of the deflection rod and is in transmission connection with the deflection rod, one end part of the deflection frame is of a spherical structure, more than three positioning pieces are uniformly arranged on the deflection frame along the circumferential direction, and the deflection frame can deflect by taking the deflection rod as a fulcrum under the driving of the deflection rod and drive a plurality of positioning pieces on the deflection frame to sequentially and continuously perform linear reciprocating motion;

the cylinder body is arranged on the valve plate, more than three air bags are uniformly arranged on the valve plate along the circumferential direction, the opening end of each air bag is matched with one umbrella part, and the tail end part of each air bag penetrates through the cylinder body and extends to one positioning piece; the air bags are arranged on a soft board and integrally formed with the soft board, a first clamping groove and a plurality of third through holes are formed at one end part of the cylinder body, the first clamping groove is matched with the soft board, and the third through holes are matched with the air bags one by one;

the bottom shell is arranged on the cylinder body, a motor is arranged at one end of the bottom shell, and a transmission shaft of the motor penetrates through the bottom shell and is in transmission connection with the eccentric transmission block.

2. The integrated miniature water pump of claim 1, wherein a positioning block is arranged on the valve plate at the inner center of the bulge, and a plurality of first through holes are uniformly arrayed on the periphery of the positioning block along the circumferential direction; the backing plate is a flexible backing plate, the end face of the backing plate facing the valve plate is a concave cambered surface and is covered above the first through holes, a groove matched with the positioning block is formed in the center of the cambered surface, and a guide block is arranged in the center of the other end portion of the backing plate.

3. The integrated miniature water pump according to claim 2, wherein the end of the valve plate facing the cylinder body is provided with a plurality of second clamping grooves which are in one-to-one fit with the end of the air bag, and each second clamping groove is communicated with one first through hole; the bottom of each second clamping groove is provided with a third clamping groove matched with one umbrella part, and each third clamping groove is communicated with a plurality of second through holes.

4. The integrated miniature water pump of claim 1, wherein the two opposite ends of the eccentric transmission block are respectively provided with a first blind hole and a second blind hole which are not intersected, the first blind hole is vertically arranged on the eccentric transmission block, and the second blind hole is matched with the eccentric swing rod and is obliquely arranged on the eccentric transmission block.

5. The integrated miniature water pump of claim 1, wherein the swing frame comprises a positioning part and a transmission part, a hole column matched with the swing rod is arranged on the positioning part, the end face of the transmission part is a spherical surface, the axis coincides with the central axis of the hole column, and a plurality of positioning pieces uniformly encircle the periphery of the hole column.

6. The integrated miniature water pump of claim 4, wherein a metal ball is further mounted at the bottom end of the second blind hole, and the metal ball is in rolling connection with the eccentric transmission block and the eccentric swing rod.