CN216111236U

CN216111236U - Cross plunger structure of water pump

Info

Publication number: CN216111236U
Application number: CN202122786325.5U
Authority: CN
Inventors: 朱霄峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-03-22
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a cross plunger structure of a water pump, which belongs to the field of water pumps of cleaners, and comprises two cross plungers, wherein each plunger is provided with a groove, the positions of the two plungers are overlapped, one groove is provided with a space for abdicating, an eccentric wheel assembly is arranged in the two grooves, the eccentric wheel assembly is driven by a driver, the two plungers are arranged in the water pump, two plunger cavities which are mutually communicated are arranged in the water pump and are used for the axial movement of the two plungers, two ends of each plunger cavity are provided with side cavities, and each side cavity is converged on a channel and is connected with the same spray head.

Description

Cross plunger structure of water pump

Technical Field

The utility model relates to the field of water pumps of cleaners, in particular to a cross plunger structure of a water pump.

Background

In daily life, people need to clear up articles such as outdoor table chair, barbecue, car, bicycle, pet, balcony, garage, in order to satisfy above-mentioned demand, the solution on the market is for providing a hand-held type purger, is equipped with the water pump that is used for pumping water and outside injection rivers in the purger.

The thin miniature water pump structure of the handheld cleaner with the publication number of CN212759222U is characterized in that a plunger cavity, a water inlet pipeline and a water outlet pipeline are arranged in the water pump, the axes of the plunger cavity, the water inlet pipeline and the water outlet pipeline are parallel, the end parts of the plunger cavity, the water inlet pipeline and the water outlet pipeline, which are in the same direction, are communicated with the same side cavity, a plunger which is axially movable and used for changing the pressure in the side cavity is arranged in the plunger cavity, the water inlet pipeline is connected with a water pipe, the end part of the water inlet pipeline is provided with a first check valve component used for limiting water flow to flow from the water inlet pipeline to the side cavity only, the water outlet pipeline is connected with a spray head, the end part of the water outlet pipeline is provided with a second check valve component used for limiting water flow to flow from the side cavity to the water outlet pipeline only, and a driving component provided with the plunger is arranged. But this patent only sends water to outlet conduit in through two side chambeies continuously, send the water yield undersize for outlet conduit's delivery port water pressure is not enough, and the washing effect is relatively poor.

Disclosure of Invention

The utility model aims to provide a cross plunger structure of a water pump.

The technical scheme of the utility model is as follows: the cross plunger structure of the water pump is characterized by comprising two cross plungers, wherein each plunger is provided with a groove, the positions of the two plungers are overlapped, one groove is provided with a yielding space, an eccentric wheel component is arranged in the two grooves and driven by a driver, the two plungers are arranged in the water pump, two plunger cavities which are mutually communicated are arranged in the water pump and are used for axial movement of the two plungers, two ends of each plunger cavity are provided with side cavities, and each side cavity is converged on a channel and is connected with the same spray head.

The further optimization scheme of the utility model is as follows: the grooves of the two plungers are respectively provided with two opposite side walls, and the eccentric wheel component touches the side walls to push the plungers to move axially in the plunger cavities.

The further optimization scheme of the utility model is as follows: the grooves of the two plungers are U-shaped.

The further optimization scheme of the utility model is as follows: the groove notches of both plungers face the same side.

The further optimization scheme of the utility model is as follows: the axes of the two plunger cavities are in the same plane.

The further optimization scheme of the utility model is as follows: the two plungers are divided into a first plunger and a second plunger, the first plunger is located in a groove of the second plunger, a penetrating notch is formed in the bottom of the first plunger, the second plunger is located in the notch, and the width of the notch is larger than the diameter of the second plunger.

The further optimization scheme of the utility model is as follows: the bottom surface of the notch is a plane, and the notch is in surface contact with the bottom surface of the groove of the second plunger.

The further optimization scheme of the utility model is as follows: the eccentric wheel assembly comprises a primary wheel and a secondary wheel, an eccentric shaft is arranged on the primary wheel, the center of the secondary wheel is connected with the eccentric shaft, the axis of the primary wheel is located at the crossing center of the two plunger cavities, and the primary wheel is driven by a driving device.

The further optimization scheme of the utility model is as follows: the eccentric wheel assembly comprises an eccentric wheel, and the axis of the eccentric wheel is connected with a driving device.

The further optimization scheme of the utility model is as follows: the width of the groove is greater than the diameter of the plunger.

Compared with the prior art, the utility model has the advantages that the eccentric wheel assembly drives the two groups of plungers to continuously move in the two plunger cavities along the axial direction of the plunger cavities, the two plungers extrude the side cavities at the two ends of the plunger cavities to change the pressure of the side cavities, so that the side cavities at the two ends of the two plunger cavities continuously convey water to the same spray head, the water quantity in the spray head is increased, the water pressure in the spray head is improved, and the water pressure sprayed by the spray head is stronger.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the background art and explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

Fig. 1 is a schematic diagram of a water pump structure.

Fig. 2 is a schematic diagram of a water pump structure.

Fig. 3 is an exploded view of the water pump.

Fig. 4 is a cross-sectional view of the water pump.

Fig. 5 is a partially disassembled view of the water pump.

FIG. 6 is a schematic view of the structure of the present invention.

FIG. 7 is a view showing the structure of two plungers.

In the figure: 1. a pressure assembly; 2. a spray head; 3. a left side cover; 4. a right side cover; 5. a water inlet; 6. an upper cover; 7. connecting holes; 8. an eccentric wheel assembly; 9. a notch; 10. a lateral cavity; 11. a plunger cavity; 12. a plunger; 13. a groove; 14. a first-stage wheel; 15. an eccentric shaft; 16. a secondary wheel; 17. and sealing the rubber ring.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the utility model.

It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "inside" and "outside" are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the utility model is used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element which is referred to must have a specific orientation, be constructed in a specific orientation and operation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-7, the cross plunger structure of the water pump includes two plungers 12, two of the plungers 12 are disposed in the water pump, the two plungers 12 are arranged in a cross manner, two plunger cavities 11 are disposed in the water pump, the two plunger cavities 11 are communicated with each other, the two plungers 12 are disposed in the two plunger cavities 11, and the plungers 12 move along the axial direction of the plunger cavities 11.

Preferably, the shape of the plunger 12 is matched with the shape of the plunger cavity 11, the two plunger cavities 11 are crossed, and the water pump is of a crossed structure.

As shown in fig. 6, each plunger 12 is provided with a groove 13, the positions of the two plungers 12 are overlapped, one plunger 12 is located in the groove 13 of the other plunger 12, the groove 13 of the other plunger 12 has an abdicating space, the two plungers 12 perform criss-cross relative reciprocating motion in the water pump, for example, one plunger 12 is a first plunger 12, the other plunger 12 is a second plunger 12, the first plunger is located in the groove 13 of the second plunger, the groove 13 of the second plunger has an abdicating space, preferably, the width of the grooves 13 of the two plungers 12 is greater than the diameter of the plunger 12, so that the two plungers 12 can perform the relative criss-cross reciprocating motion.

An eccentric wheel assembly 8 is arranged in the two grooves 13, the eccentric wheel assembly 8 is driven by a driver, and when the eccentric wheel assembly 8 is driven by the driver to move, the eccentric wheel assembly 8 carries the two plungers 12 to move axially along the plunger cavity 11 in the plunger cavity 11.

Further, as shown in fig. 3-5, the grooves 13 of the two plungers 12 have two opposite side walls, the notches 13 of the two plungers 12 face to the same side, the eccentric wheel assembly 8 contacts with the side walls during the movement and pushes the plungers 12 to move axially in the plunger cavity 11 through the side walls, and preferably, the grooves 13 of the two plungers 12 are U-shaped. The eccentric wheel assembly 8 has different configurations, for example:

in the first scheme, the eccentric wheel assembly 8 comprises a first-stage wheel 14 and a second-stage wheel 16, wherein an eccentric shaft 15 is arranged on the first-stage wheel 14, the eccentric shaft 15 is connected with the center of the second-stage wheel 16, the axis of the first-stage wheel 14 is positioned at the crossing center of the two plunger cavities 11, the second-stage wheel 16 extends into the two grooves 13 to be linked with the plungers 12, the first-stage wheel 14 is driven by a driving device, the output shaft of the driving device is connected with the axis of the first-stage wheel 14, when the driving device drives the first-stage wheel 14 to rotate, the first-stage wheel 14 drives the second-stage wheel 16 to eccentrically rotate, the second-stage wheel 16 sequentially pushes the side walls of the two grooves 13 in the two grooves 13, so that the two plungers 12 sequentially move in different directions, for example, the first plunger moves back and forth in the water pump, the second plunger moves left and right in the water pump, the second-stage wheel 16 rotates, the first plunger moves forward and then pushes the plunger to move left, then the first plunger is pushed to move backwards, finally the second plunger is pushed to move rightwards, the secondary wheel 16 rotates for one circle in the two grooves 13, and then the actions are repeated, so that the two plungers 12 continuously move along the axial direction of the plunger cavity 11 in the plunger cavity 11.

In solution two, the eccentric wheel assembly 8 comprises an eccentric wheel, which is located in two recesses 13, the axle center of the eccentric wheel is connected with a driving device, the output shaft of the driving device is connected with the axle center of the eccentric wheel, the driving device drives the eccentric wheel to rotate in the two grooves 13, the eccentric wheel pushes the side walls of the two grooves 13 in turn in the two grooves 13, so that the two plungers 12 move in different directions in turn, if the first plunger piston moves back and forth in the water pump, the second plunger piston moves left and right in the water pump, the eccentric wheel rotates anticlockwise, the eccentric wheel pushes the first plunger piston to move forwards and then pushes the plunger piston to move leftwards, then the first plunger piston is pushed to move backwards, finally the second plunger piston is pushed to move rightwards, the eccentric wheel rotates for one circle in the two grooves 13, and then the actions are repeated, so that the two plunger pistons 12 continuously move along the axial direction of the plunger piston cavity 11 in the plunger piston cavity 11.

The structure of the driving device has various types, for example 1, the driving device comprises a machine body with a reduction gear set, an output shaft on the reduction gear set is connected with an eccentric wheel assembly 8, the eccentric wheel assembly 8 is driven to eccentrically rotate in two grooves 13, and the eccentric wheel assembly 8 pushes two plungers 12 to axially reciprocate in a plunger cavity 11; 2. the driving device comprises a driving motor, an output shaft of the driving motor is directly connected with the eccentric wheel assembly 8, and the driving motor drives the eccentric wheel assembly 8 to eccentrically rotate in the two grooves 13; 3. the driving device comprises a machine body with a linkage rod, such as an electric tool of the same type as an electric drill, and the linkage rod drives the eccentric wheel assembly 8 to eccentrically rotate in the two grooves 13.

The drive arrangement of isostructure makes the water pump suitability of this patent stronger, can cooperate more diversified drive arrangement to be used for the equipment to form the purger and wash article.

As shown in fig. 7, the axes of the two plunger cavities 11 are located on the same plane, further, a through notch 9 is formed in the bottom of the first plunger, the notch 9 penetrates through the first plunger from front to back, the second plunger is located in the notch 9, and the width of the notch 9 is larger than the diameter of the second plunger, so that the first plunger can move relative to the second plunger, and the first plunger and the second plunger cannot collide with each other and get stuck when the eccentric wheel assembly 8 pushes the first plunger and the second plunger to move. The gap 9 enables the two plunger cavities 11 to be located on the same plane, the structure is compact, and the processing of the plunger cavities 11 is more convenient.

Further, the bottom surface of the notch 9 is a plane, and the notch 9 and the bottom surface of the groove 13 of the second plunger are in surface-to-surface contact, so that the relative motion of the two plungers 12 is more stable due to the surface-to-surface contact.

As shown in fig. 1-3, two ends of each plunger cavity 11 are provided with side cavities 10, each side cavity 10 is gathered on a channel and connected with the same spray head 2, the eccentric wheel assembly 8 eccentrically rotates to drive two plungers 12 to reciprocate in the plunger cavities 11, the plungers 12 change the pressure intensity in the side cavities 10 at two ends of the plunger cavities 11, when the plungers 12 extrude the side cavities 10 at two ends of the plunger cavities 11, the side cavities 10 deliver water into the channel, the eccentric wheel assembly 8 drives the two plungers 12 to reciprocate in the plunger cavities 11, so that the four side cavities 10 continuously deliver water into the same spray head 2, the spray head 2 has high water pressure, can spray strong water flow, and has good cleaning effect.

As shown in fig. 4, each side cavity 10 is connected with a water inlet 5, and the water inlet 5 can be connected with a water source through a water pipe to convey water into the side cavity 10.

Further, the water pump includes two pressure assemblies 1 that intercross, two pressure assembly 1 integrated into one piece, and two pressure assembly 1 combinations are a whole, and two pressure assembly 1 crossovers, and two plunger chambeies 11 are established respectively in two pressure assemblies 1, and the both ends of every pressure assembly 1 all are connected with left side lid 3 and right side lid 4, side chamber 10 is established in left side lid 3 and right side lid 4, left side lid 3 and right side lid 4 pass through the screw fixation on pressure assembly 1.

Further, the pressure assembly 1 is provided with an upper cover 6 on the whole, the upper cover 6 covers the two plunger cavities 11 which are mutually crossed, and the two plungers 12 are limited in the plunger cavities 11 to move. The upper cover 6 is fixedly connected to the pressure assembly 1, preferably, the upper cover 6 is fixedly connected to the pressure assembly 1 through screws, and other conventional connecting structures are also suitable for the patent.

As shown in fig. 5, the upper cover 6 is provided with a connecting hole 7, and the eccentric wheel assembly 8 passes through the connecting hole 7 and extends into the two grooves 13 to be linked with the two plungers 12.

Two ends of each plunger cavity 11 can be provided with a sealing rubber ring 17, the sealing rubber rings 17 can be sleeved on the plungers 12, the plungers 12 can move relative to the sealing rubber rings 17, and the sealing rubber rings 17 are used for oil sealing and water sealing to prevent oil lubricating the plungers 12 from entering the side cavities 10.

Or both ends of the plunger 12 are provided with sealing rubber rings 17, the sealing rubber rings 17 are fixed on the plunger 12 and move along with the plunger 12, and the sealing rubber rings 17 are used for oil sealing and water sealing to prevent oil lubricating the plunger 12 from entering the side cavity 10.

The other structures of the water pump are the same as those of the existing cleaner.

The cross plunger structure of the water pump provided by the utility model is described in detail, and the principle and the implementation mode of the utility model are explained by applying specific examples, and the description of the examples is only used for helping to understand the utility model and the core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The cross plunger structure of the water pump is characterized by comprising two cross plungers, wherein each plunger is provided with a groove, the positions of the two plungers are overlapped, one groove is provided with a yielding space, an eccentric wheel component is arranged in the two grooves and driven by a driver, the two plungers are arranged in the water pump, two plunger cavities which are mutually communicated are arranged in the water pump and are used for axial movement of the two plungers, two ends of each plunger cavity are provided with side cavities, and each side cavity is converged on a channel and is connected with the same spray head.

2. The cross plunger structure of the water pump according to claim 1, wherein the grooves of the two plungers are provided with two opposite side walls, and the eccentric wheel assembly is contacted with the side walls to push the plungers to move axially in the plunger cavities.

3. The cross plunger structure of a water pump according to claim 2, wherein the grooves of both plungers are U-shaped.

4. A cross plunger structure for a water pump according to claim 1 or 2, wherein the groove notches of both plungers face the same side.

5. The cross plunger structure of a water pump according to claim 1, wherein the axial centers of the two plunger cavities are in the same plane.

6. The cross plunger structure of the water pump according to claim 5, wherein the two plungers are divided into a first plunger and a second plunger, the first plunger is located in a groove of the second plunger, a through notch is formed in the bottom of the first plunger, the second plunger is located in the notch, and the width of the notch is larger than the diameter of the second plunger.

7. The cross plunger structure of the water pump as claimed in claim 6, wherein the bottom surface of the notch is a plane, and the notch is in surface-to-surface contact with the bottom surface of the groove of the second plunger.

8. The cross-shaped plunger structure of a water pump according to claim 1, wherein the eccentric wheel assembly comprises a primary wheel and a secondary wheel, the primary wheel is provided with an eccentric shaft, the center of the secondary wheel is connected with the eccentric shaft, the axis of the primary wheel is located at the crossing center of the two plunger cavities, and the primary wheel is driven by the driving device.

9. The cross-shaped plunger structure of a water pump according to claim 1, wherein the eccentric wheel assembly comprises an eccentric wheel, and a driving device is coupled to the axle center of the eccentric wheel.

10. The cross-shaped plunger structure of a water pump according to claim 1, wherein the width of the groove is larger than the diameter of the plunger.