TWM516101U - Transmission shaft structure for submersible pump - Google Patents

Description

Submersible pump drive shaft structure

The present invention provides a technical field of a submersible pump, in particular, a technically provided submersible pump drive shaft structure, the connecting sleeve is provided with a class of circular holes, and the drive shaft is provided with an internally threaded hole, and a screw can be worn. The round hole of the cross section is screwed to the internally threaded hole, thereby firmly joining the joint sleeve and the drive shaft.

Press, see Application No. 102214118, "Draining Motor Pipe Leakage Flange" is a new type of patent right for the creator's previous application. The first picture of the case is a submersible pump, and the submersible pump is a whole. The group sinks into the deep water in the well, and then rotates with the lower motor to drive the upper impeller to rotate, so that the water source can be pushed up and sent to the ground water space via the water pipe. Therefore, the submersible pump basically needs a motor and an impeller.

Referring to the second to third figures, the conventional combination of the transmission shaft 11 and the conventional coupling sleeve 12 is such that the coupling sleeve hole 121 and the transmission shaft are respectively dug before the coupling sleeve 12 and the side surface of the transmission shaft 11 respectively. The recessed hole 111 is impacted into the joint sleeve hole 121 and the transmission shaft recess 111 by a pin 13 so that the two are integrated, and the joint sleeve hole 121 is welded. The outer circumference is closed and welded. In this way, holes must be drilled in the circumference of the circle. This will destroy the strength of the circle and the strength of the drive shaft, and the machining holes and welding are also cumbersome and inconvenient.

Therefore, in view of the problems existing in the above-mentioned conventional structure, how to develop an innovative structure that is more ideal and practical, the consumers are eagerly awaiting, and the relevant industry must strive to develop the goal and direction of breakthrough.

In view of this, the creator has been engaged in the manufacturing development and design experience of related products for many years. After the detailed design and careful evaluation of the above objectives, the creator will have a practical and practical creation.

The main purpose of the present invention is to provide a submersible pump drive shaft structure, wherein the connecting sleeve is provided with a class of circular holes, and the drive shaft is provided with an internally threaded hole, and a screw can be screwed through the through hole to the internally threaded hole. In turn, the joint sleeve and the drive shaft are firmly combined.

In order to achieve the above object, the present invention provides a submersible pump drive shaft structure, which comprises: a motor, the shaft end of the motor is provided with a spline seat, a plurality of impellers, and the plurality of impellers are provided with a drive shaft hole, the number The impeller is formed into an impeller group, and the transmission shaft hole is formed into a polygonal equilateral hole, a transmission shaft, the transmission shaft is set as a polygonal equilateral rod, and the impeller of the polygonal equilateral rod is sleeved on the propeller shaft The connecting shaft hole is disposed between the motor and the impeller group, and the connecting sleeve is mainly disposed with a spline groove recessed inwardly on the side of the connecting sleeve, and the connecting sleeve is recessed with a polygonal equilateral hole on the other side. , spline bottom A circular hole is arranged in the direction of the equilateral hole, and an end hole of the drive shaft is provided with an internally threaded hole, so that a screw can be inserted into the hole of the class, and the external thread of the screw can be screwed to the internal thread. The hole can be used to fix the joint sleeve to the drive shaft, and then connect the sleeve spline groove set to the motor shaft spline seat. When the motor rotates, the drive shaft drive can drive the impeller group to rotate and the pump can be driven.

With regard to the techniques, means and functions of the present invention, a preferred embodiment is described in detail with reference to the drawings, and it is believed that the above objects, structures and features of the present invention can be obtained from an in-depth and specific understanding. .

[study]

11‧‧‧Drive shaft

111‧‧‧ drive shaft recess

12‧‧‧Connecting sleeve

121‧‧‧Connecting sleeve holes

13‧‧‧ pin

[this creation]

20‧‧‧Motor

21‧‧‧Axis

22‧‧‧ Spline holder

30‧‧‧Iron group

31‧‧‧ drive shaft hole

32‧‧‧ Impeller

40‧‧‧Drive shaft

41‧‧‧ end face

411‧‧‧Threaded hole

50‧‧‧Connecting sleeve

51‧‧‧ spline slot

52‧‧‧Multiple equilateral holes

53‧‧‧ class round hole

60‧‧‧ screws

61‧‧‧ external thread

The first picture is a partial combined front view of the submersible pump.

The second figure is an exploded view of the conventional sink pump with the welded and pin fixed joint sleeve and the drive shaft.

The third figure is a combination view of the conventional sink pump with a welded and pin fixed joint sleeve and a drive shaft.

The fourth figure is a three-dimensional exploded schematic diagram of an embodiment of the present invention implemented in a submersible pump.

The fifth figure is a three-dimensional exploded view of another embodiment of the present invention implemented in a submersible pump.

The sixth figure is an embodiment of the present invention implemented in the joint sleeve and the drive shaft A partial perspective view of the part.

The seventh drawing is a partial combined sectional view of the embodiment in which the coupling sleeve and the transmission shaft are combined.

This creation provides a designer of a submersible pump drive shaft structure.

In order to enable your review committee to have a better understanding and understanding of the purpose, characteristics and efficacy of this creation, the implementation method and the schema are as follows: See the first and fourth to seventh figures, this creation provides The utility model relates to a submersible pump drive shaft structure, which comprises: a motor 20, wherein the motor 20 comprises a pivot shaft 21, a shaft seat 22 is arranged at the end of the shaft core 21; an impeller group 30, the impeller group 30 is provided with a plurality of transmission shaft holes 31, the transmission shaft holes 31 are formed as non-circular holes, the non-circular holes may be polygonal equilateral holes; a transmission shaft 40, the transmission shaft 40 is set as a non-circular rod, the aforementioned The non-circular rod may be a polygonal equilateral rod, and the transmission shaft 40 of the multi-angle equilateral rod is sleeved with the transmission shaft hole 31 of the impeller group 30; a coupling sleeve 50, and the motor 20 and the impeller group 30 are disposed. The connecting sleeve 50 is mainly composed of: a spline groove 51 is recessed inwardly on the side of the connecting sleeve 50, The connecting sleeve 50 is recessed with a non-circular hole in the other side. The non-circular hole may be a polygonal equilateral hole 52. The bottom surface of the spline groove 51 is provided with a class circular hole 53 in the direction of the polygonal equilateral hole 52. The end face 41 of the drive shaft 40 is provided with an internally threaded hole 411, a screw 60, and the screw 60 is inserted into the circular hole 53. The external thread 61 of the screw 60 is screwed to the internally threaded hole 411. The coupling sleeve 50 can be fixed to the transmission shaft 40, and the coupling sleeve 50 is coupled to the shaft 20 of the motor 20, and the motor 20 is rotated to drive the impeller group 30 to rotate.

The submersible pump drive shaft structure, wherein the foregoing impeller group 30 can be composed of a plurality of impellers 32 stacked.

Referring to the fourth to seventh figures, the present invention provides a submersible pump drive shaft structure in which a coupling groove 50 is recessed inwardly with a spline groove 51, and the spline groove 51 is assembled to the shaft of the motor 20 The spline seat 22 of the 21, the connecting sleeve 50 is recessed inwardly with a polygonal equilateral hole 52. The polygonal equilateral hole 52 is for assembling into the transmission shaft 40, and the bottom of the spline groove 51 is provided with a class circular hole 53. To the multi-sided equilateral hole 52, the end surface 41 of the drive shaft 40 is provided with an internally threaded hole 411 in alignment with the circular hole 53. According to this, a screw 60, the screw 60 is inserted through the circular hole 53 and the external thread 61 of the screw 60 The threaded hole 411 is screwed into the transmission shaft 40, thereby fixing the coupling sleeve 50 and the transmission shaft 40, and the arrangement of the circular hole 53 does not damage the strength of the circular coupling sleeve 50, and also makes the same. The assembly is easy and fast, the production efficiency is improved, the cost is reduced, and the strength of the connecting sleeve 50 combined with the transmission shaft 40 is improved. By.

It can be seen from the above that the design of the submersible pump drive shaft structure of this creation is indeed the first in the industry and meets the novel requirements of the new patent, and its comprehensive and innovative design meets the progressive requirements of the new patent, and its connection The sleeve is provided with a class of round holes, and the drive shaft is provided with an internally threaded hole, and a screw can be screwed to the internal thread hole through the round hole of the class, thereby stably coupling the joint sleeve and the drive shaft, which is suitable for better industrial utilization. By.

The foregoing description of the preferred embodiments of the present invention is specifically described as a technical feature of the present invention; however, those skilled in the art can make changes and modifications to the present invention without departing from the spirit and principles of the present invention. Such changes and modifications shall be covered in the scope defined by the following patent application.

In summary, this creation provides a submersible pump drive shaft structure, which has indeed achieved all the purposes of this creation, and the spatial pattern of its combined structure has not been found in similar products, nor has it been disclosed before the application. The provisions of the Patent Law apply in accordance with the law.

20‧‧‧Motor

21‧‧‧Axis

22‧‧‧ Spline holder

30‧‧‧Iron group

31‧‧‧ drive shaft hole

32‧‧‧ Impeller

40‧‧‧Drive shaft

41‧‧‧ end face

411‧‧‧Threaded hole

50‧‧‧Connecting sleeve

51‧‧‧ spline slot

52‧‧‧Multiple equilateral holes

53‧‧‧ class round hole

60‧‧‧ screws

61‧‧‧ external thread

Claims (4)

The utility model relates to a submersible pump drive shaft structure, comprising: a motor, wherein the motor comprises a pivot center, the shaft end is provided with a spline seat; and an impeller group, the impeller group is provided with a plurality of drive shaft holes; a transmission shaft hole sleeve of the shaft and the impeller group is disposed on the transmission shaft; a coupling sleeve is disposed between the motor and the impeller group; and the coupling sleeve is recessed inwardly with a spline groove The non-circular hole is non-circularly disposed on the other side of the connecting sleeve, and the non-circular transmission shaft is assembled. The bottom surface of the spline groove is provided with a class of circular holes in the direction of the non-circular hole, and the end face of the transmission shaft is provided with a corresponding class hole. Internal threaded hole; a screw, the screw can be inserted into the class hole, the external thread of the screw can be screwed into the threaded hole of the drive shaft, and the joint sleeve can be fixed to the drive shaft, and then the joint sleeve spline groove set is connected The motor shaft spline seat, the rotation of the motor can drive the impeller group to rotate, and the pumping can be performed. The submersible pump drive shaft structure according to claim 1, wherein the foregoing impeller group can be composed of a plurality of impeller stacks. The submersible pump drive shaft structure according to claim 1, wherein the transmission shaft hole is formed as a polygonal equilateral hole. The submersible pump drive shaft structure according to claim 3, wherein the transmission shaft is formed as a polygonal equilateral rod and has a polygonal equilateral shape The drive shaft of the rod is sleeved with a multi-angle equilateral drive shaft hole of the impeller group.