Multi-motor driving pump

Abstract

The utility model relates to a multi-motor drive pump which comprises a motor shell, the two ends of the motor shell are fixedly connected with shell connecting flanges respectively, a cylinder coaxially penetrates through the interior of the motor shell, a stator coil is fixed to the inner wall of the motor shell, a motor rotor is fixed to the exterior of the cylinder, and the motor rotor is connected with the shell connecting flanges. Two shell connecting flanges are arranged on the two sides of the cylindrical barrel, positioning supporting bearings are installed in the two shell connecting flanges, the two ends of the cylindrical barrel penetrate through the interiors of the two positioning supporting bearings respectively, spiral blades are fixed in the cylindrical barrel, and sealing pieces are installed between the cylindrical barrel and the two shell connecting flanges. The multi-motor driving pump is more compact in structure. In addition, according to specific power requirements, the motor shell single body, the stator coil and the motor rotor can be independently added, the disassembly and assembly are more flexible, and the practicability is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline fluid conveying technical field especially is related to a kind of multi-motor drive pump. BACKGROUND

[0002] At present, in the pipeline fluid conveying process, impeller is usually built-in inside pipeline, impeller shaft extends to the outside of pipeline, and the rotation power is provided for impeller shaft by motor, so as to provide the power for the pipeline fluid to be transported. This power arrangement is more troublesome, and the weight is larger, the space is larger, and the pipeline needs to be bent to meet the requirements. In addition, the rotors of the transmission motor and the generator are mostly solid structures, and in actual application, the related components can only be arranged outside the motor or the generator, so the structure is not compact enough, and there are certain limitations in use.

[0003] Therefore, a multi-motor drive pump is needed to solve the above technical problems. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of multi-motor drive pump to solve the technical problems existing in prior art.

[0005] The technical scheme for solving the above technical problems is as follows: a kind of multi-motor drive pump, including motor shell, the both ends of the motor shell are fixedly connected with shell connecting flange, the inside of the motor shell is coaxially penetrated with cylinder barrel, the inner wall of the motor shell is fixed with stator coil, the outside of the cylinder barrel is fixed with motor rotor, the inside of two shell connecting flanges is equipped with positioning support bearing, the both ends of the cylinder barrel are respectively penetrated through the inside of two positioning support bearings, the inside of the cylinder barrel is fixed with helical blade, and sealing element is installed between the cylinder barrel and two shell connecting flanges.

[0006] Preferably, the multi-motor drive pump described above, wherein the motor shell includes a first motor shell and a second motor shell, the first motor shell and the second motor shell are fixed by bolt connection, the inner walls of the first motor shell and the second motor shell are both fixed with stator coils, the outside of the cylinder barrel is fixed with two motor rotors, and the two motor rotors are respectively located inside the two stator coils.

[0007] Preferably, the multi-motor drive pump described above, wherein two groups of cylinder barrel fixing handles are arranged at different cross-sectional positions on the outside of the cylinder barrel, the two motor rotors correspond to the two groups of cylinder barrel fixing handles one by one, and the motor rotors are fixedly connected with the cylinder barrel fixing handles by bolts.

[0008] Preferably, the multi-motor drive pump described above, wherein the sealing element includes a first sealing ring and a second sealing ring, and multiple second sealing rings are arranged in parallel.

[0009] Preferably, the multi-motor driven pump, wherein the inner side of the first sealing ring is provided with two sealing strips, and the outer side of the first sealing ring is provided with an arc-shaped protrusion.

[0010] Preferably, the multi-motor driven pump, wherein the inner wall of the shell connecting flange is provided with a first stepped cavity, the positioning support bearing is installed inside the first stepped cavity, and the outer side of the cylindrical barrel is provided with a positioning step at both ends in the circumferential direction, the positioning support bearing abuts against the positioning step to ensure axial positioning of the cylindrical barrel.

[0011] Preferably, the multi-motor driven pump, wherein the inner wall of the shell connecting flange is provided with a second stepped cavity, and the second stepped cavity is installed with a sealing ring retainer ring, and the sealing ring retainer ring abuts against one side of the first sealing ring.

[0012] Preferably, the multi-motor driven pump, wherein the sealing ring retainer ring is fixedly connected with the shell connecting flange through bolts.

[0013] Preferably, the multi-motor driven pump, wherein the outer side of both ends of the cylindrical barrel is provided with a chamfer.

[0014] The multi-motor driven pump has the advantages that: the motor rotor is fixed outside the cylindrical barrel, the motor rotor rotates under the action of electromagnetic force when the stator coil is electrified, thereby driving the cylindrical barrel to rotate, the helical blades in the cylindrical barrel rotate synchronously, the helical blades drive water flow to flow from the barrel when rotating, and the multi-motor driven pump has a more compact structure compared with a traditional power arrangement mode. In addition, the motor shell body, the stator coil and the motor rotor can be added or removed flexibly according to specific power requirements, and the utility model has higher practicability. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic view of the internal structure of the utility model;

[0016] Figure 2 is a side view of the utility model;

[0017] Figure 3 is Figure 1 is an enlarged view of part A;

[0018] Figure 4 is a cross-sectional view of the first sealing ring;

[0019] Figure 5 is a connection relationship diagram of the cylindrical barrel and the positioning support bearing.

[0020] In the drawings, the components represented by each reference numeral are listed as follows:

[0021] 1, shell flange, 2, the first sealing ring, 21, arc convex, 22, sealing strip, 3, positioning support bearing, 4, the first motor shell, 5, motor rotor, 6, cylindrical barrel, 7, the first step cavity, 8, the second motor shell, 9, spiral blade, 10, the second sealing ring, 11, sealing ring retainer, 12, cylindrical barrel fixing handle, 13, the second step cavity. DETAILED DESCRIPTION

[0022] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and are not used to limit the scope of the utility model.

[0023] As shown in the drawing, Figures 1-5 A multi-motor drive pump, comprising a motor shell, both ends of the motor shell are fixedly connected with shell flanges 1, and the motor shell and the shell flanges 1 are fixedly connected through bolts. A cylindrical barrel 6 penetrates through the inside of the motor shell coaxially, the inside of the cylindrical barrel 6 is fixedly connected with a spiral blade 9, the inside of the two shell flanges 1 is respectively installed with a positioning support bearing 3, and both ends of the cylindrical barrel 6 penetrate through the inside of the two positioning support bearings 3. The inner wall of the shell flange 1 is provided with a first step cavity 7, the positioning support bearing 3 is installed in the inside of the first step cavity 7, and both ends of the outer side of the cylindrical barrel 6 are circumferentially provided with positioning steps, the positioning support bearing 3 is in abutment with the positioning steps, so that the axial positioning of the cylindrical barrel 6 is guaranteed. The cylindrical barrel 6 and the two shell flanges 1 are both installed with sealing elements. Both ends of the outer side of the cylindrical barrel 6 are provided with chamfers, which are convenient for insertion during installation and facilitate the installation of the sealing elements.

[0024] The inner wall of the motor shell is fixedly connected with a stator coil, and the outside of the cylindrical barrel 6 is fixedly connected with a motor rotor 5. Specifically, the motor shell comprises a first motor shell 4 and a second motor shell 8, the first motor shell 4 and the second motor shell 8 are fixedly connected through bolts, the inner wall of the first motor shell 4 and the second motor shell 8 is fixedly connected with a stator coil, the outside of the cylindrical barrel 6 is fixedly connected with two motor rotors 5, and the two motor rotors 5 are respectively located on the inner side of the two stator coils. The outside of the cylindrical barrel 6 is provided with two groups of cylindrical barrel fixing handles 12 at different cross-sectional positions, the two motor rotors 5 correspond to the two groups of cylindrical barrel fixing handles 12 one by one, and the motor rotor 5 and the cylindrical barrel fixing handle 12 are fixedly connected through bolts. In addition, in actual application, a plurality of groups of one-to-one corresponding motor shell monomers, motor rotors and stator coils can be added according to the power demand of the drive pump.

[0025] Since the motor rotor is fixed on the outer side of the cylindrical barrel, when the stator coil is electrified, the motor rotor rotates under the action of electromagnetic force, thereby driving the cylindrical barrel 6 to rotate, and the spiral blade 9 in the cylindrical barrel rotates synchronously. When the spiral blade 9 rotates, it drives the water flow to flow from the barrel.

[0026] The sealing member comprises a first sealing ring 2 and a plurality of second sealing rings 10. The inner side of the first sealing ring 2 is provided with two sealing strips 22, which are inserted from the two ends of the cylindrical barrel during installation, so that the inner side of the two sealing strips 22 is inclined outward, thereby ensuring a better sealing effect. The outer side of the first sealing ring 2 is provided with an arc-shaped protrusion 21, which abuts against the shell connecting flange 1. The inner wall of the shell connecting flange 1 is provided with a second stepped cavity 13, and a sealing ring stop ring 11 is installed in the second stepped cavity 13. The sealing ring stop ring 11 abuts against one side of the first sealing ring 2 and is fixedly connected with the shell connecting flange 1 through bolts, thereby firmly installing the first sealing ring 2. Through the arrangement of the first sealing ring 2 and the second sealing ring 10, external water flow can be isolated when the cylindrical barrel 6 rotates, thereby preventing water from entering the cavity between the motor shell and the cylindrical barrel 6.

[0027] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", etc. 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 specific orientation, and a specific orientation configuration and operation, therefore, it cannot be understood as a limitation on the present application. In addition, "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, unless otherwise specified, "a plurality of" means two or more.

[0028] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] The above describes one embodiment of the present application in detail, but the content described is only a preferred embodiment of the present application, and cannot be considered as limiting the scope of the present application. Any equivalent changes and improvements made within the scope of the present application should still belong to the patent coverage of the present application.

Claims

1. A multi-motor driven pump characterized by: The utility model provides a motor, including motor casing, both ends of motor casing are fixedly connected with casing connecting flange (1) respectively, coaxial through the inside of motor casing and has cylinder (6), fixedly has stator coil on the inner wall of motor casing, fixedly has motor rotor (5) on the outside of cylinder (6), the inside of two casing connecting flanges (1) is installed with locating support bearing (3) respectively, the inside of cylinder (6) is fixedly provided with helical blade (9), and both between cylinder (6) and two casing connecting flanges (1) are installed with sealing element.

2. The multi-motor drive pump of claim 1, wherein: The utility model provides a motor, including motor casing, both ends of motor casing are fixedly connected with casing connecting flange (1) respectively, coaxial through the inside of motor casing and has cylinder (6), fixedly has stator coil on the inner wall of motor casing, fixedly has motor rotor (5) on the outside of cylinder (6), the inside of two casing connecting flanges (1) is installed with locating support bearing (3) respectively, the inside of cylinder (6) is fixedly provided with helical blade (9), and both between cylinder (6) and two casing connecting flanges (1) are installed with sealing element.

3. The multi-motor drive pump of claim 2, wherein: The utility model provides a motor, including motor casing, both ends of motor casing are fixedly connected with casing connecting flange (1) respectively, coaxial through the inside of motor casing and has cylinder (6), fixedly has stator coil on the inner wall of motor casing, fixedly has motor rotor (5) on the outside of cylinder (6), the inside of two casing connecting flanges (1) is installed with locating support bearing (3) respectively, the inside of cylinder (6) is fixedly provided with helical blade (9), and both between cylinder (6) and two casing connecting flanges (1) are installed with sealing element.

4. The multi-motor drive pump of claim 2, wherein: The utility model provides a motor, including motor casing, both ends of motor casing are fixedly connected with casing connecting flange (1) respectively, coaxial through the inside of motor casing and has cylinder (6), fixedly has stator coil on the inner wall of motor casing, fixedly has motor rotor (5) on the outside of cylinder (6), the inside of two casing connecting flanges (1) is installed with locating support bearing (3) respectively, the inside of cylinder (6) is fixedly provided with helical blade (9), and both between cylinder (6) and two casing connecting flanges (1) are installed with sealing element.

5. The multi-motor drive pump of claim 4, wherein: The utility model provides a motor, including motor casing, both ends of motor casing are fixedly connected with casing connecting flange (1) respectively, coaxial through the inside of motor casing and has cylinder (6), fixedly has stator coil on the inner wall of motor casing, fixedly has motor rotor (5) on the outside of cylinder (6), the inside of two casing connecting flanges (1) is installed with locating support bearing (3) respectively, the inside of cylinder (6) is fixedly provided with helical blade (9), and both between cylinder (6) and two casing connecting flanges (1) are installed with sealing element.

6. The multi-motor drive pump of claim 2, wherein: The utility model provides a motor, including motor casing, both ends of motor casing are fixedly connected with casing connecting flange (1) respectively, coaxial through the inside of motor casing and has cylinder (6), fixedly has stator coil on the inner wall of motor casing, fixedly has motor rotor (5) on the outside of cylinder (6), the inside of two casing connecting flanges (1) is installed with locating support bearing (3) respectively, the inside of cylinder (6) is fixedly provided with helical blade (9), and both between cylinder (6) and two casing connecting flanges (1) are installed with sealing element.

7. The multi-motor drive pump of claim 5, wherein: The utility model provides a motor, including motor casing, both ends of motor casing are fixedly connected with casing connecting flange (1) respectively, coaxial through the inside of motor casing and has cylinder (6), fixedly has stator coil on the inner wall of motor casing, fixedly has motor rotor (5) on the outside of cylinder (6), the inside of two casing connecting flanges (1) is installed with locating support bearing (3) respectively, the inside of cylinder (6) is fixedly provided with helical blade (9), and both between cylinder (6) and two casing connecting flanges (1) are installed with sealing element.

8. The multi-motor drive pump of claim 7, wherein: The utility model provides a motor, including motor casing, both ends of motor casing are fixedly connected with casing connecting flange (1) respectively, coaxial through the inside of motor casing and has cylinder (6), fixedly has stator coil on the inner wall of motor casing, fixedly has motor rotor (5) on the outside of cylinder (6), the inside of two casing connecting flanges (1) is installed with locating support bearing (3) respectively, the inside of cylinder (6) is fixedly provided with helical blade (9), and both between cylinder (6) and two casing connecting flanges (1) are installed with sealing element.

9. The multi-motor drive pump of claim 1, wherein: ​

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