CN209875583U

CN209875583U - Self-cleaning water pump filtering grid

Info

Publication number: CN209875583U
Application number: CN201920794920.3U
Authority: CN
Inventors: 高科
Original assignee: Chongqing Juhao Pump Co Ltd
Current assignee: Chongqing Juhao Pump Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2019-12-31
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a self-cleaning formula water pump filters grid, including connecting rod and cleaning head, the connecting rod sets up on the water pump, the connecting rod rotates the setting with the grid around the grid axis relatively, the cleaning head is provided with a plurality ofly, the cleaning head sets up on the connecting rod along connecting rod linear arrangement, cleaning head and connecting rod elastic connection, the cleaning head can follow the grid and radially stretch out and draw back, the cleaning head is corresponding with the filtration pore position of grid on the grid radial direction, and each filtration pore corresponds a cleaning head at least. After the water pump is provided with the grating, stones clamped on meshes of the grating can be automatically removed through the cleaning head when water is pumped, the frequency of water pump faults is reduced, the machine does not need to be stopped to clean the stones, and the working efficiency is improved.

Description

Self-cleaning water pump filtering grid

Technical Field

The utility model relates to a water pump technical field, concretely relates to automatically cleaning formula water pump filters grid.

Background

All will set up a filter screen on the current water pump, a runner for filtering great debris of aquatic and preventing its jam pump or destruction pump, when using current water pump to carry out the pumping of water, because the aquatic can have some and filter screen's mesh to differ not big size stone, these stones will block on the mesh in the pumping process of water, and hardly discover when not shutting down in addition, also can not take out, constantly there is the stone card will block up a large amount of meshes on the mesh, influence the pumping efficiency of water. There is therefore a need for a grid that automatically removes the stones that block the mesh without shutting down the machine.

SUMMERY OF THE UTILITY MODEL

In view of this, the to-be-solved problem of the utility model is to provide a self-cleaning formula water pump filters grid, can automatic clear away the stone of card on the grid mesh when the pump sending water after using this kind of grid on the water pump, reduced the frequency that the water pump broke down, need not shut down and clear up the stone, improved work efficiency.

The utility model discloses an above-mentioned technical problem is solved to following technical means: the utility model provides a pair of self-cleaning formula water pump filters grid, including connecting rod and cleaning head, the connecting rod sets up on the water pump, the connecting rod rotates the setting with the grid around the grid axis relatively, the cleaning head is provided with a plurality ofly, the cleaning head sets up on the connecting rod along connecting rod linear arrangement, cleaning head and connecting rod elastic connection, the cleaning head can follow the grid and radially stretch out and draw back, the cleaning head is corresponding with the filtration pore position of grid on the grid radial direction, and each filtration pore corresponds a cleaning head at least.

Furthermore, a spring is arranged between the cleaning head and the connecting rod, one end of the spring is fixed on the connecting rod, the other end of the spring is fixed on the cleaning head, the spring is compressed when the cleaning head is at the position of the grid, and the spring restores to press the cleaning head into the filtering holes when the cleaning head is at the position of the filtering holes.

Furthermore, when the cleaning head is pressed into the filter hole, the end face of the cleaning head, which is far away from one end of the connecting rod, at least extends into the filter hole.

Further, the front end of the cleaning head in the rotating direction and the contact surface of the grating are provided with arc-shaped guide surfaces.

Further, the cleaning head is arranged to be spherical, and the diameter of the spherical cleaning head is smaller than the size of the filter hole.

Furthermore, the connecting rod is arranged on a motor shaft or a water pump wheel shaft, the connecting rod is driven by the motor or the water pump to rotate around the axis of the grille, a differential mechanism used for reducing the rotating speed of the connecting rod is arranged between the connecting rod and the motor or the water pump wheel shaft so as to reduce the rotating speed of the connecting rod, and the grille is fixedly arranged on the water pump.

Furthermore, the connecting rod is fixedly arranged on the water pump, the grille is rotatably arranged on the water pump, the grille can rotate around the axis of the motor shaft, the motor or the water pump drives the grille to rotate, and a differential mechanism for reducing the rotating speed of the grille is arranged between the grille and the motor or the water pump shaft so as to reduce the rotating speed of the grille.

Further, in the circumferential direction of the outer surface of the grating, a plurality of the filter holes are arranged in parallel and level relative to the axis of the grating, so that one cleaning head correspondingly cleans the plurality of the filter holes on the same circumference.

The utility model also provides a water pump, include as above self-cleaning formula water pump filter grid.

According to the above technical scheme, the beneficial effects of the utility model are that: the utility model provides a pair of self-cleaning formula water pump filters grid, including connecting rod and cleaning head, the connecting rod sets up on the water pump, the connecting rod rotates the setting relatively around the grid axis with the grid, the cleaning head is provided with a plurality ofly, the cleaning head sets up on the connecting rod along connecting rod linear arrangement, cleaning head and connecting rod elastic connection, the cleaning head can follow the grid and radially stretch out and draw back, the cleaning head is corresponding with the filtration pore position of grid on the grid radial direction, and each filtration pore corresponds a cleaning head at least. After the water pump is provided with the grating, stones clamped on meshes of the grating can be automatically removed through the cleaning head when water is pumped, the frequency of water pump faults is reduced, the machine does not need to be stopped to clean the stones, and the working efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a cross-sectional view of a self-cleaning water pump filter grid according to an embodiment of the present invention with a cleaning head extended;

fig. 2 is a cross-sectional view of a self-cleaning water pump filter grid according to an embodiment of the present invention when a cleaning head is retracted;

FIG. 3 is an enlarged view of a portion of the self-cleaning water pump filter grid of FIG. 1 at position A;

FIG. 4 is a perspective view of the present invention;

fig. 5 is a schematic diagram of the present invention.

Reference numerals:

1-a water pump; 2-a grid; 3-a connecting rod; 4-a cleaning head; 21-filtration pores; 31-a spring; 32-protective sheath.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Please refer to fig. 1-5, the self-cleaning water pump filter grid provided by the present embodiment, the present invention provides a self-cleaning water pump filter grid, including connecting rod 3 and cleaning head 4, connecting rod 3 is disposed on water pump 1, the connecting rod is disposed around the grid axis relatively and rotates with the grid, cleaning head 4 is provided with a plurality of, cleaning head 4 is disposed on connecting rod 3 along the 3 linear arrangement of connecting rod, cleaning head 4 and connecting rod 3 elastic connection, cleaning head 4 can stretch out and draw back along the 2 radial directions of grid, cleaning head 4 is corresponding to the position of filtration pore 21 of grid 2 in the 2 radial directions of grid, and each filtration pore 21 corresponds to at least one cleaning head 4. The cleaning head 4 ejects the stones possibly existing in the meshes to clean the meshes when extending in the radial direction of the grille 2, and simultaneously covers all the meshes on the circumferential surface of the cleaning grille 2 during the relative rotation of the rotary connecting rod 3 and the grille 2 around the axis of the grille 2.

As a further improvement of the above technical solution, a spring 31 is provided between the cleaning head 4 and the connecting rod 3, one end of the spring 31 is fixed on the connecting rod 3, the other end is fixed on the cleaning head 4, the spring 31 is compressed when the cleaning head 4 is at the position of the grille 2, and the spring 31 is restored to press the cleaning head 4 into the filtering hole 21 when the cleaning head 4 is at the position of the filtering hole 21. Preferably, a protective sleeve 32 is arranged outside the spring 31, the protective sleeve 32 is made of a telescopic rubber material, one end of the protective sleeve 32 is fixedly arranged on the connecting rod 3, the other end of the protective sleeve is fixed on the cleaning head 4, the spring 31 is completely arranged in the protective sleeve 32, and the spring 31 is prevented from being corroded or damaged by water.

As a further improvement to the above technical solution, when the cleaning head 4 is pressed into the filter hole 21, the end surface of the cleaning head 4 far from the end of the connecting rod 3 at least extends into the filter hole 21. The cleaning head 4 is pressed into the filter holes 21 to eject the stuck stones, and preferably, the cleaning head 4 does not protrude from the outer surface of the grill 2 when protruding into the filter holes 21 to prevent interference with foreign substances outside the grill 2.

As a further improvement of the technical scheme, the front end of the cleaning head 4 in the rotating direction and the contact surface of the grating 2 are provided with arc-shaped guide surfaces. The provision of a circular arc shaped guide surface at the front end of the cleaner head 4 in the direction of rotation with the base surface of the grille 2 facilitates that the link 3 or the grille 2 slides during rotation from the compression spring 31 in which the cleaner head 4 is smooth in the mesh and then onto the grille 2,

as a further improvement to the technical scheme, the cleaning head 4 is arranged to be spherical, and the diameter of the spherical cleaning head 4 is smaller than the size of the filter hole 21. The provision of the cleaning head 4 in a spherical shape allows it to better reduce resistance to sliding smoothly between the mesh and the grille 2 during rotation.

As a further improvement of the above technical solution, the connecting rod 3 is arranged on a motor shaft or a wheel shaft of the water pump 1, the motor or the water pump 1 drives the connecting rod 3 to rotate around an axis of the grille 2, a differential mechanism for reducing the rotating speed of the connecting rod 3 is arranged between the connecting rod 3 and the motor or the wheel shaft of the water pump 1 to reduce the rotating speed of the connecting rod 3, and the grille 2 is fixedly arranged on the water pump 1. The grille is fixedly arranged on the water pump, and the connecting rod rotates to achieve relative rotation between the grille and the connecting rod, so that the cleaning head sweeps all meshes in the radial direction.

As a further improvement to the above technical solution, in the circumferential direction of the outer surface of the grille, the plurality of filter holes are arranged flush with respect to the axis of the grille, so that one cleaning head correspondingly cleans the plurality of filter holes on the same circumference. The cleaning head correspondingly cleans all filter holes on the circumference of the grille in the process of rotating around the axis of the grille.

Example two

The connecting rod 3 is fixedly arranged on the water pump 1, the grating 2 is rotatably arranged on the water pump 1, the grating 2 can rotate around the axis of a motor shaft, the motor or the water pump 1 drives the grating 2 to rotate, and a differential mechanism for reducing the rotating speed of the grating 2 is arranged between the grating 2 and the motor or the wheel shaft of the water pump 1 so as to reduce the rotating speed of the grating 2. The connecting rod is fixedly arranged on the water pump, and the grille rotates to achieve relative rotation between the grille and the connecting rod, so that the cleaning head sweeps all meshes in the radial direction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a self-cleaning formula water pump filter grid which characterized in that: including connecting rod (3) and cleaning head (4), connecting rod (3) set up on water pump (1), connecting rod (3) rotate the setting with grid (2) relatively around grid (2) axis, cleaning head (4) are provided with a plurality ofly, cleaning head (4) set up on connecting rod (3) along connecting rod (3) inline, cleaning head (4) and connecting rod (3) elastic connection, grid (2) radial direction is flexible can be followed in cleaning head (4), cleaning head (4) are corresponding with filtration pore (21) position of grid (2) on grid (2) radial direction, and each filtration pore (21) corresponds a cleaning head (4) at least.

2. The self-cleaning water pump filter grate of claim 1, wherein: be provided with spring (31) between cleaning head (4) and connecting rod (3), spring (31) one end is fixed on connecting rod (3) the other end is fixed on cleaning head (4), spring (31) compression when cleaning head (4) are in grid (2) position, spring (31) resume when straining hole (21) position cleaning head (4) filter hole (21) with cleaning head (4) impress.

3. The self-cleaning water pump filter grate of claim 2, wherein: when the cleaning head (4) is pressed into the filtering hole (21), the end face of one end of the cleaning head (4) far away from the connecting rod (3) at least extends into the filtering hole (21).

4. The self-cleaning water pump filter grate of claim 1, wherein: the front end of the cleaning head (4) in the rotating direction is provided with a circular arc guide surface on the contact surface with the grating (2).

5. The self-cleaning water pump filter grate of claim 4, wherein: the cleaning head (4) is spherical, and the diameter of the spherical cleaning head (4) is smaller than the size of the filtering hole (21).

6. The self-cleaning water pump filter grate of any one of claims 1-5, wherein: the connecting rod (3) is arranged on a motor shaft or a wheel shaft of the water pump (1), the motor or the water pump (1) drives the connecting rod (3) to rotate around the axis of the grating (2), a differential mechanism used for reducing the rotating speed of the connecting rod (3) is arranged between the connecting rod (3) and the motor or the wheel shaft of the water pump (1) so as to reduce the rotating speed of the connecting rod (3), and the grating (2) is fixedly arranged on the water pump (1).

7. The self-cleaning water pump filter grate of any one of claims 1-5, wherein: the connecting rod (3) is fixedly arranged on the water pump (1), the grating (2) is rotatably arranged on the water pump (1), the grating (2) can rotate around the axis of a motor shaft, the motor or the water pump (1) drives the grating (2) to rotate, and a differential mechanism for reducing the rotating speed of the grating (2) is arranged between the grating (2) and the motor or the wheel shaft of the water pump (1) to reduce the rotating speed of the grating (2).

8. The self-cleaning water pump filter grate of any one of claims 1-5, wherein: in the circumferential direction of the outer surface of the grating, a plurality of the filter holes are arranged in a flush mode relative to the axis of the grating, so that one cleaning head correspondingly cleans the plurality of the filter holes on the same circumference.

9. A water pump, characterized by: comprising a self-cleaning water pump filter grid according to any of claims 1-8.