CN209976889U

CN209976889U - Water suction structure for water suction pump

Info

Publication number: CN209976889U
Application number: CN201920293638.7U
Authority: CN
Inventors: 梁灿明
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-07
Filing date: 2019-03-07
Publication date: 2020-01-21
Anticipated expiration: 2029-03-07

Abstract

The utility model relates to a water absorption structure for suction pump, including casing, front end cover and the rear end cap that is the cylinder form respectively, the both ends of casing respectively with front end cover and rear end cap are connected, the play water end of front end cover with the middle part that just the play water end of front end cover was connected to the casing is equipped with the circular shape apopore, the end of intaking of front end cover be equipped with a plurality ofly by the end of intaking of front end cover to the breach that the play water end of front end cover extends, it is a plurality of the breach respectively with the apopore intercommunication, the end of intaking of casing be equipped with the water inlet of apopore intercommunication, the middle part of rear end cap be equipped with the water inlet set up relatively and with the delivery port of water inlet intercommunication. The utility model provides a pair of a structure of absorbing water for suction pump can reduce the structure of absorbing water and blockked up the risk at submarine during operation, and then improves the effect of drawing water.

Description

Water suction structure for water suction pump

Technical Field

The utility model relates to a suction pump field, concretely relates to water absorption structure for suction pump.

Background

When drawing water to deeper waters, be usually with the suction pump as to the surface of water on, and through a water absorption structure of pipe connection sink in the bottom, then the suction pump provides a suction of absorbing water to the structure of absorbing water, and then through the structure of absorbing water with submarine water suction come, but the submarine environment is complicated, the structure of absorbing water is very easily blockked up by submarine algae etc. thereby influence the effect of drawing water.

SUMMERY OF THE UTILITY MODEL

The utility model provides a structure of absorbing water for suction pump can reduce the risk that the structure of absorbing water is blockked up at submarine during operation, and then improves the effect of drawing water.

In order to achieve the above object, the present invention provides a water absorption structure for a water pump, comprising a housing, a front end cover and a rear end cover, wherein the housing, the front end cover and the rear end cover are respectively cylindrical, the two ends of the housing are respectively connected with the front end cover and the rear end cover, the water outlet end of the front end cover is connected with the housing, the middle part of the water outlet end of the front end cover is provided with a circular water outlet hole, the water inlet end of the front end cover is provided with a plurality of notches extending from the water inlet end of the front end cover to the water outlet end of the front end cover, the plurality of notches are respectively communicated with the water outlet hole, the water inlet end of the housing is provided with a water inlet communicated with the water outlet hole, the housing is internally provided with a backflow prevention chamber which is hollow cylindrical and is coaxially arranged with the water inlet and is communicated with the water inlet, a sphere is arranged in the backflow prevention chamber, the middle part of rear end cover be equipped with the water inlet set up relatively and with the delivery port of water inlet intercommunication, the outer edge of delivery port is equipped with the orientation spacing arch that the water inlet extends.

Preferably, the limiting protrusion is a hollow cover body with a plurality of through holes arranged on the surface, and the distance between the limiting protrusion and the backflow preventing cavity is larger than the diameter of the sphere.

Preferably, a liquid inlet communicated with the water outlet hole is formed in the side wall of the front end cover.

Preferably, the end face of the front end cover is provided with a countersunk screw hole penetrating through the front end cover, and the front end cover is connected with the shell through a countersunk bolt arranged in the countersunk screw hole.

As preferred scheme, the lateral wall of the play water end of front end housing is equipped with along the first step position that the hoop set up, the end of intaking of casing be equipped with be used for with first step position sealing connection and the spacing second step position that sets up along the hoop of butt, first step position insert locate in the second step position and with second step position sealing connection.

As the preferred scheme, the play water end of casing is equipped with along the third step position that the hoop set up, the end of intaking of rear end cover be equipped with be used for with third step position sealing connection and the spacing fourth step position that sets up along the hoop of butt, the third step position insert locate in the fourth step position and with fourth step position sealing connection.

Preferably, the plurality of gaps are arranged at equal intervals along the radial direction of the front end cover, a partition plate is formed between every two adjacent gaps, the cross section of each partition plate is U-shaped, and a U opening of each partition plate faces the water outlet hole.

Preferably, the inner wall of the water outlet is provided with an internal thread which is used for being connected with a water pipe in a matched mode.

Preferably, the housing and the rear end cover are connected by a plurality of bolts arranged in an annular array.

The water suction structure for the water suction pump is characterized in that the water suction pump is connected with a water outlet of the water suction structure through a pipeline, wherein the front end cover is used as a water inlet component, when the front end cover is submerged at the bottom of the water, a plurality of gaps are arranged, so that water can enter the end part and two sides of the front end cover, when the water suction pump pumps water, water flow can enter the front end cover from the end part and two sides of the front end cover and enter the shell from a water outlet hole of the front end cover, and then enter the water suction pipeline from a water outlet of the rear end cover so as to be sucked above the water surface by the water suction pump, when sundries such as aquatic weeds exist at the bottom of the water, the end surface of the front end cover can press the sundries, the water flow can enter the front end cover from the side part of the gap so as to ensure the smooth water pumping process, in addition, through the arrangement of the backflow prevention chamber and the ball body, when the water suction pump works, the ball body is flushed, thereby ensuring that water flow can smoothly enter the shell from the front end cover and be sucked out; when the suction pump stop work, under the pressure effect of the water in the pipeline, the spheroid will be compressed tightly in water inlet department for the water inlet is closed, thereby prevents that the water in the pipeline from flowing backwards to the outside of structure of absorbing water, through setting up spacing arch, can effectually prevent that the spheroid from moving to the delivery port and blockking up the delivery port.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of the present invention with the rear end cap removed;

FIG. 4 is a schematic structural view of the front end shield;

FIG. 5 is a schematic structural view of the rear end cap;

FIG. 6 is a cross-sectional view of a separator plate;

FIG. 7 is a diagram showing the positional relationship between the ball and the housing when the water inlet is closed;

fig. 8 is a diagram showing the positional relationship between the ball and the housing when the water inlet is opened.

Wherein: 1. a rear end cap; 2. a housing; 3. a front end shield; 4. a liquid inlet; 5. a partition plate; 6. countersunk head screw holes; 7. a sphere; 8. a water inlet; 9. a first step position; 10. a second step position; 11. a third step position; 12. a fourth step position; 13. a water outlet; 14. a limiting bulge; 15. a bolt; 16. a backflow prevention chamber; 17. annular step position.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1-6, a water suction structure for a water pump provided in this embodiment includes a cylindrical housing 2, a front end cover 3, and a rear end cover 1, wherein two ends of the housing 2 are respectively connected to the front end cover 3 and the rear end cover 1, a water outlet end of the front end cover 3 is connected to the housing 2, a circular water outlet is disposed in a middle of the water outlet end of the front end cover 3, a plurality of notches extending from the water inlet end of the front end cover 3 to the water outlet end of the front end cover 3 are disposed at a water inlet end of the front end cover 3, the plurality of notches are respectively communicated with the water outlet, a water inlet 8 communicated with the water outlet is disposed at the water inlet end of the housing 2, a backflow preventing chamber 16 disposed in the housing 2 and having a hollow cylindrical shape and coaxial with the water inlet 8 and communicated with the water inlet 8 is disposed in the backflow preventing chamber 16, and a sphere 7 is disposed in the backflow preventing chamber 16, the diameter of the ball body 7 is larger than the caliber of the water inlet 8, a water outlet 13 which is opposite to the water inlet 8 and communicated with the water inlet 8 is arranged in the middle of the rear end cover 1, and a limiting bulge 14 which extends towards the water inlet 8 is arranged on the outer edge of the water outlet 13.

Specifically, the water suction pump is connected with a water outlet 13 of the water absorption structure through a pipeline, wherein the front end cover 3 is used as a water inlet component, when the front end cover 3 sinks to the water bottom, water can enter the end part and two sides of the front end cover 3 due to a plurality of gaps, when the water suction pump pumps water, water flow can enter the front end cover 3 from the end part and two sides of the front end cover 3 and enter the shell 2 from a water outlet hole of the front end cover 3, and then enter the water suction pipeline from a water outlet 13 of the rear end cover 1 so as to be sucked above the water surface by the water suction pump, when sundries such as aquatic weeds exist at the water bottom, the end surface of the front end cover 3 can press the sundries, water flow can enter the front end cover 3 from the side part of the gap so as to ensure the smoothness of the water pumping process, in addition, through the anti-backflow chamber 16 and the ball 7, when the water suction pump works, the water at the water bottom passes through the water inlet 8 of the shell 2, thereby ensuring that water can smoothly enter the shell 2 from the front end cover 3 and be sucked out; when the suction pump stop work, under the pressure effect of the water in the pipeline, spheroid 7 will be compressed tightly in water inlet 8 department for water inlet 8 closes, thereby prevents the water refluence in the pipeline to the outside of structure of absorbing water, through setting up spacing arch 14, can effectually prevent that spheroid 7 from moving to delivery port 13 and blockking up delivery port 13.

Referring to fig. 5, in the present embodiment, the limiting protrusion 14 is a hollow cover body having a plurality of through holes on a surface thereof, the hollow cover body is configured to prevent the ball 7 from moving to the water outlet 13 to block the water outlet 13, and a distance between the limiting protrusion 14 and the anti-backflow chamber 16 is greater than a diameter of the ball 7, so that when the ball 7 opens the water inlet 8, the ball can conveniently move to the annular step 17 at the upper end of the anti-backflow chamber 16, as shown in fig. 8. The width of the annular step 17 is smaller than the radius of the sphere 7, so that the sphere 7 stays on the annular step 17 under the impact of water flow in the water suction process of the water pump, as shown in fig. 8. When the water pump stops working, the ball cannot stay on the annular step 17, and the ball 7 moves to the water inlet 8 due to the backflow of water, so that the water inlet 8 is closed, as shown in fig. 7. Preferably, the lower portion of the backflow-preventing chamber 16 is provided with a spherical surface corresponding to the ball 7, and when the ball 7 completely closes the water inlet 8, the ball 7 is attached to the spherical surface, as shown in fig. 7, so as to better close the water inlet 8. In addition, the lateral wall of the front end cover 3 is provided with a liquid inlet 4 communicated with the water outlet hole, so that water flow can further enter the front end cover 3 conveniently.

Further, be equipped with the countersunk head screw 6 that runs through front end shield 3 and set up on the terminal surface of front end shield 3, front end shield 3 with between the casing 2 through set up in countersunk head bolted connection in countersunk head screw 6, the lateral wall of the play water end of front end shield 3 is equipped with along the first step position 9 that the hoop set up, the end of intaking of casing 2 be equipped with be used for with first step position 9 sealing connection and butt are spacing and along the second step position 10 that the hoop set up, first step position 9 insert locate in the second step position 10 and with second step position 10 sealing connection. Thus, the sealing performance of the joint of the front end cover 3 and the housing 2 can be ensured, and water leakage and side leakage can be prevented.

Furthermore, the play water end of casing 2 is equipped with along the third step position 11 that the hoop set up, the end of intaking of rear end cap 1 be equipped with be used for with third step position 11 sealing connection and the spacing fourth step position 12 that sets up along the hoop of butt, third step position 11 insert locate in the fourth step position 12 and with fourth step position 12 sealing connection. The housing 2 is connected to the rear end cap 1 by a plurality of bolts 15 arranged in an annular array. Therefore, the sealing performance of the joint of the shell 2 and the rear end cover 1 can be ensured, and water leakage is further prevented.

In this embodiment, it is a plurality of the breach is followed the radial equidistant setting of front end cover 3, adjacent two form a baffle 5 between the breach, the cross-section of baffle 5 is U-shaped and the U mouth orientation of baffle 5 the apopore sets up, so sets up, and the inside accommodation space increase of front end cover 3 further improves the speed of drawing water.

In addition, in this embodiment, the inner wall of the water outlet 13 is provided with an internal thread for being connected with a water pipe in a matching manner, the outer wall of the pipeline for being connected with the water outlet is provided with an external thread corresponding to the internal thread, and the pipeline is connected with the water outlet 13 through the thread, so that the sealing performance of the connection between the pipeline and the water outlet 13 can be ensured, and the water leakage at the connection between the pipeline and the water outlet 13 is avoided.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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 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 in specific cases to those skilled in the art.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. A water suction structure for a water suction pump is characterized by comprising a shell, a front end cover and a rear end cover which are respectively in a cylindrical shape, wherein two ends of the shell are respectively connected with the front end cover and the rear end cover, a water outlet end of the front end cover is connected with the shell, a circular water outlet hole is formed in the middle of the water outlet end of the front end cover, a plurality of notches extending from the water inlet end of the front end cover to the water outlet end of the front end cover are formed in the water inlet end of the front end cover and respectively communicated with the water outlet holes, a water inlet communicated with the water outlet hole is formed in the water inlet end of the shell, a backflow prevention cavity which is in a hollow cylindrical shape and is coaxially arranged with the water inlet and communicated with the water inlet is formed in the shell, a ball body is arranged in the backflow prevention cavity, the diameter of the ball body is larger than the caliber of the water inlet, a water outlet which is opposite to the water inlet and is communicated with the water inlet is formed in, the outer edge of the water outlet is provided with a limiting bulge extending towards the water inlet.

2. The water suction structure for a water suction pump according to claim 1, wherein the limiting protrusion is a hollow cover body provided with a plurality of through holes on the surface, and the distance between the limiting protrusion and the backflow preventing chamber is larger than the diameter of the sphere.

3. The water suction structure for a water suction pump as claimed in claim 1, wherein the side wall of the front end cover is provided with a liquid inlet communicated with the water outlet hole.

4. The water suction structure for a water suction pump according to claim 1, wherein a countersunk screw hole provided through the front end cover is provided on an end surface of the front end cover, and the front end cover is connected to the housing through a countersunk bolt provided in the countersunk screw hole.

5. The water suction structure for a water suction pump according to claim 1, wherein a first step position arranged in the circumferential direction is provided on a side wall of a water outlet end of the front end cover, a second step position arranged in the circumferential direction is provided on a water inlet end of the housing and used for being in sealing connection with the first step position, abutting against the first step position, and limiting, and the first step position is inserted into the second step position and is in sealing connection with the second step position.

6. The water suction structure for a water suction pump according to claim 1, wherein a third step position arranged in the circumferential direction is arranged at a water outlet end of the housing, a fourth step position used for being in sealing connection with the third step position, abutting against the third step position, limiting and arranged in the circumferential direction is arranged at a water inlet end of the rear end cover, and the third step position is inserted into the fourth step position and is in sealing connection with the fourth step position.

7. The water suction structure for a water suction pump according to claim 1, wherein the plurality of notches are arranged at equal intervals in the radial direction of the front end cover, a partition plate is formed between every two adjacent notches, the cross section of the partition plate is U-shaped, and a U-shaped opening of the partition plate faces the water outlet hole.

8. The water suction structure for a water suction pump as claimed in claim 1, wherein the inner wall of the water outlet is provided with an internal thread for fitting connection with a water pipe.

9. The water intake structure for a water pump as claimed in claim 1, wherein the housing and the rear end cap are connected by a plurality of bolts arranged in an annular array.