Water pump

Abstract

The utility model discloses a water pump, which relates to the technical field of water pumps and comprises a base, two symmetrical pump body brackets are fixedly arranged on the base, a pump shell is rotatably connected between the two pump body brackets, a pump shell flow channel with an annular structure is formed on the inner side of the pump shell, a pump water outlet is arranged on one side of the pump shell, and an impeller is arranged in the pump shell and positioned on the axis. A water inlet is formed in one side of the impeller, a rotating shaft is fixedly arranged on the other side of the impeller, a plurality of blades are evenly distributed in the middle of the impeller around the circumferential direction of the water inlet, and an impeller runner is formed among the blades and communicated with the pump shell runner. A belt pulley is fixedly arranged at the end, away from the pump shell, of the rotating shaft. One side, corresponding to the water inlet, of the pump water inlet pipe is rotationally arranged on the pump body bracket. The water inlet and the water outlet can be flexibly adjusted, great convenience is provided for equipment maintenance and adaptation to different operation requirements, and the operation efficiency and the equipment practicability are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to water pump technical field, concretely relates to a water pump. BACKGROUND

[0002] Water pump is the mechanical equipment of conveying liquid. Be applied widely in all walks of life, but the water outlet and the water inlet of the existing water pump generally are integral structure with the pump shell, cannot adjust, when needing to change the delivery direction, the operator needs to stop machine, and removes the flange bolt, selects the appropriate direction pipeline and adjusts, the whole process is time -consuming and labor -saving, for this, we design and propose a kind of water pump that the water inlet and the water outlet are conveniently adjusted. UTILITY MODEL CONTENTS

[0003] The utility model aims at solving the shortcomings that the water pump is inconvenient to adjust in the prior art, and provides a water pump. The water inlet and the water outlet of the water pump can be flexibly adjusted, which provides great convenience for equipment maintenance and adaptation to different operation requirements, and significantly improves operation efficiency and equipment practicability.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme:

[0005] Design a kind of water pump, including base, the base is fixed with two symmetrical pump body bracket, two the pump body bracket is rotatably connected with pump shell, the inside of pump shell forms annular structure's pump shell flow passage, the side of pump shell is equipped with the water outlet of the communication of pump shell flow passage, the pump shell is located in the shaft center and is equipped with impeller, the side of impeller is equipped with water inlet, and the other side is fixed with rotating shaft, the middle part of impeller is uniformly distributed with a plurality of blades around the circumference of water inlet, a plurality of the blade forms impeller flow passage, and impeller flow passage is communicated with pump shell flow passage;Rotating support assembly is arranged on the rotating shaft, and the end of rotating shaft away from pump shell is fixed with belt disc.

[0006] Further include pump water pipe, the pump water pipe is rotatably arranged on the pump body bracket with the water inlet side, for realizing 360 degree adjustment of the rotating direction of pump water pipe (7) without stopping machine under the working condition of water pump normal work.

[0007] Further, the two sides of the pump body bracket are welded with reinforcing ribs.

[0008] Further, the two sides of the pump shell are open structure, and are provided with rotating ring of circular structure, the opposite side of the pump body bracket is provided with rotating support ring matched with the size of the outer diameter of the rotating ring, the rotating ring is sleeved on the rotating support ring, and the sealing ring is arranged between the rotating support ring and the rotating ring.

[0009] Further, the size of the impeller flow passage and the pump shell flow passage is the same.

[0010] Further, the rotating support assembly comprises a shaft sleeve and a shaft sleeve fixing seat, the shaft sleeve is sleeved on the rotating shaft, a bearing is arranged between the rotating shaft and the shaft sleeve, and the shaft sleeve is fixedly connected to the base through the shaft sleeve fixing seat.

[0011] Further, the outer side of the pump water inlet pipe is sleeved with a rotating flange sleeve, the rotating flange sleeve is fixedly arranged on the pump body bracket, a plurality of sealing rings are arranged between the rotating flange sleeve and the pump water inlet pipe, and a gland is fixedly arranged on the pump water inlet pipe corresponding to the outer side of the rotating flange sleeve.

[0012] Further, a right-angle water inlet elbow is connected to the pump water inlet pipe.

[0013] Further, the pump shell is provided with a fixed lug.

[0014] The water pump has the beneficial effects that:

[0015] (1) The pump water outlet can realize multi-angle free and flexible adjustment, greatly expanding the applicable scene and operation range; the weight of the pump shell is directly changed from floor bearing to pump body bracket suspension bearing, so that structural loss and performance decay caused by bearing can be avoided, and long-term stable operation of the equipment is ensured.

[0016] (2) The impeller flow passage and the pump shell flow passage have the same size, and under the cooperation of the adaptation of the impeller flow passage and the pump shell flow passage, large-flow conveying is realized.

[0017] (3) The pump water inlet pipe has a 360-degree rotating function, so that even in the working condition of continuous operation of the pump without shutdown, the operator can easily and conveniently adjust the rotating direction of the pump inlet pipe without disassembling the flange bolts, which provides great convenience for the maintenance of the equipment and the adaptation to different operation requirements, and significantly improves the operation efficiency and the practicability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0019] Figure 1 is a structural schematic view of the utility model;

[0020] Figure 2 is a schematic view of the internal structure of the pump shell of the utility model;

[0021] Figure 3 is Figure 2 is a sectional view of point A-A in the schematic view.

[0022] 1, base; 2, pump body bracket; 21, rotating support ring; 22, sealing ring; 23, reinforcing rib; 3, pump shell; 31, pump water outlet; 32, rotating ring; 33, fixed support lug; 4, impeller; 41, water inlet; 42, blade; 5, rotating shaft; 51, shaft sleeve; 52, shaft sleeve fixing seat; 6, belt pulley; 7, pump water inlet pipe; 71, rotating flange sleeve; 72, sealing ring; 73, gland; 8, water inlet elbow. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0025] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0026] The structural features of the present application will be described in detail in conjunction with the drawings of the specification.

[0027] Referring to Figures 1-3The utility model provides a water pump, including base 1, is fixed with two symmetrical pump body bracket 2 on base 1, rotatably connected with pump shell 3 between two pump body bracket 2, pump shell 3 is flat circular ring structure, pump shell 3 is suspended under the action of pump body bracket 2 and is arranged on base 1, to improve the support strength of pump body bracket 2 to pump shell 3, the reinforcing rib 23 is welded on the both sides of pump body bracket 2, make reinforcing rib 23, pump body bracket 2 and base 1 form integrated structure, the weight of pump shell 3 is directly borne by pump body bracket 2, avoids the structural loss and performance attenuation caused by bearing, guarantees the long-term stable operation of equipment. In order to realize that pump shell 3 can rotate stably on pump body bracket 2, the both sides of pump shell 3 are open structure and are equipped with the rotating ring 32 of circular structure, and the opposite side of two pump body bracket 2 is equipped with the rotating support ring 21 of the size of the outer diameter of rotating ring 32 is adapted, rotating ring 32 is sleeved on rotating support ring 21, and the sealing ring 22 is arranged between rotating support ring 21 and rotating ring 32, and the sealing ring 22 is used to improve the sealing effect between rotating ring 32 and rotating support ring 21. The inside of pump shell 3 forms annular structure's pump shell flow channel, and one side of pump shell 3 is equipped with the pump water outlet 31 that communicates with pump shell flow channel, and the interface flange is arranged on pump water outlet 31, is used for connecting the water outlet pipe, and pump shell 3 breaks through the traditional limitation and can realize the free flexible adjustment of pump water outlet 31 multi-angle, greatly expands its applicable scene and operation range. In order to the fixation of pump shell 3 after adjustment, the fixed lug 33 is arranged on pump shell 3, the screw hole is arranged on fixed lug 33, and pump shell 3 can be temporarily fixed by bolt, to avoid rotating in operation.

[0028] Impeller 4 is arranged in pump shell 3 and on the axis, impeller 4 is suspended in pump shell 3, the depth of impeller 4 is adapted to the internal depth size of pump shell 3, one side of impeller 4 is equipped with water inlet 41, the other side is fixedly equipped with rotating shaft 5, and a plurality of blades 42 are uniformly distributed around the circumferential direction of water inlet 41 in the middle of impeller 4, and impeller flow channel is formed between a plurality of blades 42, impeller flow channel communicates with pump shell flow channel, and the size of impeller flow channel and pump shell flow channel is same, and the size of impeller flow channel and pump shell flow channel needs accurate adaptation, and under the synergistic effect, realizes large flow delivery.

[0029] Rotating support assembly is arranged on rotating shaft 5, and rotating support assembly includes shaft sleeve 51 and shaft sleeve fixed seat 52, shaft sleeve 51 is sleeved on rotating shaft 5, bearing is arranged between rotating shaft 5 and shaft sleeve 51, and shaft sleeve 51 is fixedly connected on base 1 through shaft sleeve fixed seat 52. The end away from pump shell 3 of rotating shaft 5 is fixedly equipped with belt disc 6, and impeller 4 can be driven to high-speed rotation through belt disc 6, and negative pressure is formed in the inside of impeller 4, water is introduced from water inlet 41, and is discharged through impeller flow channel, pump shell flow channel and pump water outlet 31.

[0030] The pump inlet pipe 7 is rotatably arranged on the pump body bracket 2 corresponding to the water inlet 41, in order to realize the rotation of the pump inlet pipe 7, a rotating flange sleeve 71 is sleeved outside the pump inlet pipe 7, the rotating flange sleeve 71 is fixedly arranged on the pump body bracket 2, a plurality of sealing rings 72 are arranged between the rotating flange sleeve 71 and the pump inlet pipe 7, a gland 73 is fixedly arranged on the pump inlet pipe 7 corresponding to the outside of the rotating flange sleeve 71, the pump inlet pipe 7 can rotate 360 degrees under the support of the rotating flange sleeve 71, and a water inlet elbow 8 is connected to the pump inlet pipe 7. Even in the working condition that the pump continuously runs without shutdown, the operator can easily and conveniently adjust the rotating direction of the pump inlet pipe without disassembling the flange bolts, which greatly facilitates the maintenance of the equipment and adapts to different operation requirements, and significantly improves the operation efficiency and the practicability of the equipment.

[0031] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions described in the foregoing embodiments or replace some of the technical features with equivalent ones. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A water pump, comprising a base (1), wherein two symmetrical pump body brackets (2) are fixedly mounted on the base (1), characterized in that, A pump casing (3) is rotatably connected between the two pump body brackets (2). The inner side of the pump casing (3) forms a pump casing flow channel with an annular structure. A pump outlet (31) communicating with the pump casing flow channel is provided on one side of the pump casing (3). An impeller (4) is provided inside the pump casing (3) and located on the axis. An inlet (41) is provided on one side of the impeller (4), and a rotating shaft (5) is fixed on the other side. Multiple blades (42) are evenly distributed around the inlet (41) in the middle of the impeller (4). An impeller flow channel is formed between the multiple blades (42), and the impeller flow channel is communicating with the pump casing flow channel. The rotating shaft (5) is provided with a rotating support assembly, and a pulley (6) is fixedly provided at the end of the rotating shaft (5) away from the pump casing (3). It also includes a pump inlet pipe (7), which is rotatably mounted on the pump body bracket (2) on the side corresponding to the water inlet (41) to achieve 360-degree adjustment of the rotation direction of the pump inlet pipe (7) without stopping the pump during normal operation. The pump inlet pipe (7) is fitted with a rotating flange sleeve (71), which is fixedly mounted on the pump body bracket (2). Multiple sealing rings (72) are provided between the rotating flange sleeve (71) and the pump inlet pipe (7). A pressure cap (73) is fixedly mounted on the pump inlet pipe (7) corresponding to the outer side of the rotating flange sleeve (71).

2. A water pump according to claim 1, characterized in that, The pump body bracket (2) has reinforcing ribs (23) welded on both sides.

3. A water pump according to claim 1, characterized in that, The pump casing (3) has an open structure on both sides, and a circular rotating ring (32) is provided on each side. The pump body bracket (2) has a rotating support ring (21) on the opposite side that is adapted to the outer diameter of the rotating ring (32). The rotating ring (32) is sleeved on the rotating support ring (21), and a sealing ring (22) is provided between the rotating support ring (21) and the rotating ring (32).

4. A water pump according to claim 1, characterized in that, The impeller flow channel and the pump casing flow channel are of the same size.

5. A water pump according to claim 1, characterized in that, The rotating support assembly includes a bushing (51) and a bushing fixing seat (52). The bushing (51) is sleeved on the rotating shaft (5). A bearing is provided between the rotating shaft (5) and the bushing (51). The bushing (51) is fixedly connected to the base (1) through the bushing fixing seat (52).

6. A water pump according to claim 1, characterized in that, The pump inlet pipe (7) is connected to a right-angle inlet bend (8).

7. A water pump according to any one of claims 1-6, characterized in that, The pump casing (3) is provided with a fixed support lug (33).

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