CN212429314U

CN212429314U - Water pump for mower

Info

Publication number: CN212429314U
Application number: CN202020717037.7U
Authority: CN
Inventors: 王灵伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-01-29
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a water pump for lawn mower, relate to the water pump field, including the base and the pump body, the pump body is fixed on the base, the pump body includes left casing and right casing, left side casing and right casing cover each other and close the constitution pump body, the edge of left side casing and right casing has the first solid fixed ring of a plurality of correspondence settings, through to first solid fixed ring suit bolt with left casing and right casing fixed connection, be provided with water inlet portion and water outlet portion on the pump body, be close to its opening part in the water inlet portion and be provided with the filter screen, be provided with the pivot in the pump body, the cover is equipped with the impeller in the pivot, the one end of pivot extends to the opening that passes the filter screen and be close to water inlet portion, it is equipped with the doctor-bar with. The utility model provides a pump body closes through left casing and right casing concatenation lid and forms, can process left casing and right casing respectively man-hour, has reduced the degree of difficulty of processing, has improved the precision of processing.

Description

Water pump for mower

Technical Field

The utility model relates to a technical field of water pump particularly, indicates a water pump for lawn mower.

Background

Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal. Water pumps can also transport liquids, gas mixtures and liquids containing suspended solids. The technical parameters of the water pump performance include flow, suction lift, shaft power, water power, efficiency and the like; the pump can be divided into a volume water pump, a vane pump and the like according to different working principles. The displacement pump transfers energy by utilizing the change of the volume of a working chamber; vane pumps transfer energy by the interaction of rotating vanes with water and are available in the types of centrifugal pumps, axial flow pumps, mixed flow pumps, and the like.

Since the water contains more or less impurities, the impurities accumulated in the water pump after a long-term use may block the water pump, resulting in a decrease in the performance of the water pump. Meanwhile, the existing manufacturing method adopting integral forming has a complex manufacturing process.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at overcoming the not enough of prior art, provide a water pump for lawn mower to solve current water pump and use the problem that the back holding blockked up for a long time.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a water pump for lawn mower, includes the base and the pump body, the pump body is fixed on the base, the pump body includes left casing and right casing, left side casing and the mutual lid of right casing close to form the pump body, the edge of left side casing and right casing has a plurality of first solid fixed rings that correspond the setting, through to first solid fixed ring suit bolt will left side casing and right casing fixed connection, be provided with water inlet portion and water outlet portion on the pump body, be close to its opening part in the water inlet portion and be provided with the filter screen, be provided with the pivot in the pump body, the cover is equipped with the impeller in the pivot, the one end of pivot extends to and passes the filter screen is close to the opening of water inlet portion, in the pivot still the cover be equipped with the doctor-bar of the inner wall butt of water inlet portion.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, a plurality of connecting rods distributed around the circumferential direction of the rotating shaft are arranged on the rotating shaft, and one end of each connecting rod is connected with the scraping blade.

Further, still including the suit in epaxial collar of pivot, the collar with pivot interference fit, the one end of connecting rod with the collar is connected.

Furthermore, the filter screen is detachably connected with the water inlet of the pump body

Further, the filter screen includes framework and the filter screen portion of setting in the framework, have a plurality of fixed orificess around its circumference distribution in the framework, the inner wall of water inlet portion have convex with the solid fixed ring of second that the fixed orifices on the framework corresponds the setting.

Further, the water inlet part is detachably connected with the pump body.

Furthermore, eight corresponding first fixing rings are respectively arranged on the left shell and the right shell.

Further, the base includes bottom plate and support, the support sets up on the bottom plate, the pump body sets up detachablely on the support.

Further, the support is including being used for supporting the arc backup pad of the pump body, the both sides of arc backup pad are provided with the stationary blade, the fixed orifices has been seted up on the stationary blade, be provided with the solid fixed ring of third on the pump body with the fixed orifices corresponds the setting.

Further, be used for supporting on the arc backup pad be provided with the rubber shock pad on the face of the pump body.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

the utility model provides a pump body closes through left casing and right casing concatenation lid and forms, can process left casing and right casing respectively man-hour, has reduced the degree of difficulty of processing, has improved the precision of processing. The impurity of water pump aquatic can enter into the water pump in the course of the work, can prevent effectively through setting up the filter screen that impurity from entering into the inside part of water pump and causing the harm to the part of water pump, and the doctor-bar of being connected with the pivot can prevent to be prevented by the impurity deposition that the filter screen blockked on the inner wall of oral area of intaking for the interior impurity of periodic treatment oral area of intaking is convenient.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a left housing and a right housing of the present invention;

FIG. 2 is a schematic view of the internal structure of the impeller base and the pump body;

fig. 3 is a schematic view of the wiper blade of the present invention.

Wherein the figures include the following reference numerals: 110-left shell, 120-right shell, 130-first fixing ring, 140-water inlet, 150-water outlet, 151-filter screen, 160-rotating shaft, 161-impeller, 162-scraper, 163-connecting rod, 170-third fixing ring, 164-mounting ring, 200-base, 210-bottom plate, 220-support, 221-arc support plate, 222-fixing plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are merely exemplary of the invention and are not intended to be exhaustive. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1:

a water pump for a mower is shown in fig. 1-2 and comprises a base 200 and a pump body, wherein the pump body is fixed on the base 200, the base 200 is used for keeping the pump body stable, the pump body comprises a left shell 110 and a right shell 120, the left shell 110 and the right shell 120 are mutually covered to form the pump body, a plurality of first fixing rings 130 which are correspondingly arranged are arranged at the edges of the left shell 110 and the right shell 120, the left shell 110 and the right shell 120 are fixedly connected through bolts sleeved in the first fixing rings 130, the left shell 110 and the right shell 120 are respectively processed in a die-casting mode when the pump body is processed, and then the left shell 110 and the right shell 120 are fixed together, so that the processing difficulty is reduced. The pump body is provided with a water inlet part 140 and a water outlet part 150, water enters the pump body from the water inlet part 140 and is discharged out of the pump body from the water outlet part 150, a filter screen 151 is arranged in the water inlet part 140 close to the opening of the water inlet part, the filter screen 151 can block partial impurities in the water and prevent the impurities from entering the inner central area of the pump body, a rotating shaft 160 is arranged in the pump body, an impeller 161 is sleeved on the rotating shaft 160, the rotating shaft 160 can drive the impeller 161 to rotate, the rotating shaft 160 can be driven by a motor, one end of the rotating shaft 160 extends to penetrate through the filter screen 151 and is close to the opening of the water inlet part 140, a scraping blade 162 abutted against the inner wall of the water inlet part 140 is further sleeved on the rotating shaft 160, as the filter screen 151 can block partial impurities, the blocked impurities can be deposited on the inner wall of the water inlet part 140, the rotating shaft 160 can drive the scraping blade 162 to, preventing impurities from being deposited on the inner wall of the water inlet part 140.

During operation, water is got into by water inlet portion 140, partial impurity of aquatic is blockked by filter screen 151, thereby prevent that impurity from entering into the inside of the pump body and parts such as countershaft 160, impeller 161 from causing the harm, time along with water pump work is longer and longer, the impurity that is blockked by filter screen 151 also can be more and more, if let the impurity pile up, along with time lapse, impurity can deposit at the inner wall of water inlet portion 140, can cause huge trouble to follow-up clearance, consequently set up the doctor-bar 162 of being connected with countershaft 160, the water pump is promptly in operating condition when pivot 160 rotates, pivot 160 can drive doctor-bar 162 and rotate the inner wall that makes it scrape water inlet portion 140, make impurity unable deposit on the inner wall of water inlet portion 140, make things convenient for the interior impurity of follow-up clearance water inlet portion 140.

In this embodiment, the rotating shaft 160 is provided with a plurality of connecting rods 163 distributed around the circumference thereof, one ends of the connecting rods 163 are connected with the scraping blades 162, and when the scraping blades 162 are arranged in a plurality of symmetrical positions, the rotating process of the rotating shaft 160 can be kept stable, and the cleaning effect is also better.

In this embodiment, the filter screen 151 is detachably connected to the water inlet 140 of the pump body, and since the filter screen 151 can block impurities, it is inevitable that some impurities will be accumulated on the filter screen 151, and if the filter screen 151 is blocked by the cleaning in the last time, the filter screen 151 is detachably disposed to be able to take down the filter screen 151, thereby facilitating the individual cleaning of the filter screen 151. In order to make the filter screen 151 detachable, specifically, the filter screen 151 includes a frame body and a filter screen portion disposed in the frame body, the frame body has a plurality of fixing holes distributed around a circumferential direction thereof, an inner wall of the water inlet portion 140 has a second fixing ring protruding to correspond to the fixing holes in the frame body, and the fixing holes in the frame body and the second fixing ring are aligned and then the filter screen 151 can be installed in the water inlet portion 140 by bolts.

In this embodiment, the water inlet 140 is detachably connected to the pump body, and the filter screen 151 can be detachably connected, so that in order to detach the filter screen 151, after the water inlet 140 is detachably connected to the pump body, the water inlet 140 can be detached first, and then the filter screen 151 can be detached.

In the present embodiment, eight corresponding first fixing rings 130 are respectively disposed on the left housing 110 and the right housing 120.

In this embodiment, the base 200 includes bottom plate 210 and support 220, the support 220 sets up on bottom plate 210, the pump body sets up on support 220 detachablely, specifically, support 220 is including the arc backup pad 221 that is used for supporting the pump body, because the surface of the pump body has certain radian, therefore the laminating degree of arc backup pad 221 and the pump body is better, the both sides of arc backup pad 221 are provided with stationary blade 222, the fixed orifices has been seted up on stationary blade 222, it corresponds the setting with the fixed orifices to be provided with the solid fixed ring 170 of third on the pump body, it is same, also fix the pump body on arc backup pad 221 through the bolt.

In this embodiment, be used for supporting on the arc backup pad 221 be provided with the rubber shock pad on the face of the pump body, the water pump can produce vibrations at the in-process of work, sets up the vibrations that the water pump can be alleviated to the rubber shock pad, has played the effect of protection water pump.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a water pump for lawn mower, its characterized in that includes base (200) and the pump body, the pump body is fixed on base (200), the pump body includes left casing (110) and right casing (120), left side casing (110) and right casing (120) are covered each other and are closed to form the pump body, the edge of left side casing (110) and right casing (120) has a plurality of first solid fixed ring (130) that correspond the setting, through to adorn the bolt with in first solid fixed ring (130) will left side casing (110) and right casing (120) fixed connection, be provided with water inlet portion (140) and water outlet portion (150) on the pump body, be provided with filter screen (151) near its opening part in water inlet portion (140), be provided with pivot (160) in the pump body, the cover is equipped with impeller (161) on pivot (160), the one end of pivot (160) extends to and passes filter screen (151) and is close to the opening of water inlet portion (140), the rotating shaft (160) is further sleeved with a scraping blade (162) abutted to the inner wall of the water inlet (140).

2. The water pump for the mower according to claim 1, wherein the rotating shaft (160) is provided with a plurality of connecting rods (163) distributed around the circumference thereof, and one end of each connecting rod (163) is connected with the wiper blade (162).

3. The water pump for the mower according to claim 2, further comprising a mounting ring (164) fitted around the rotating shaft (160), wherein the mounting ring (164) is in interference fit with the rotating shaft (160), and one end of the connecting rod (163) is connected to the mounting ring (164).

4. The water pump for a mower according to claim 1, wherein the strainer (151) is detachably connected to the water inlet portion (140) of the pump body.

5. The water pump for a mower according to claim 4, wherein the strainer (151) comprises a frame body and a strainer portion provided in the frame body, the frame body has a plurality of fixing holes distributed around a circumferential direction thereof, and an inner wall of the water inlet portion (140) has a second fixing ring protruding to correspond to the fixing holes in the frame body.

6. The water pump for a lawnmower according to claim 1, wherein the water inlet portion (140) is detachably connected to the pump body.

7. The water pump for a lawnmower according to claim 1, wherein the left and right housings (110, 120) are respectively provided with eight corresponding first fixing rings (130).

8. The water pump for a mower according to claim 1, wherein the base (200) comprises a bottom plate (210) and a bracket (220), the bracket (220) is disposed on the bottom plate (210), and the pump body is detachably disposed on the bracket (220).

9. The water pump for the mower according to claim 8, wherein the bracket (220) comprises an arc-shaped support plate (221) for supporting the pump body, fixing plates (222) are arranged on two sides of the arc-shaped support plate (221), fixing holes are formed in the fixing plates (222), and a third fixing ring (170) is arranged on the pump body and corresponds to the fixing holes.

10. The water pump for the mower according to claim 9, wherein a rubber cushion is provided on a plate surface of the arc-shaped support plate (221) for supporting the pump body.