Synchronous machine structure

Abstract

The application aims to provide a synchronous motor structure which is simple in structure, easy to process and splice. The application comprises a shell, a driving device and an electrical connecting piece, wherein the driving device and the electrical connecting piece are arranged on the shell, the electrical connecting piece comprises a connecting sheet and a plurality of clamping sheets, the connecting sheet is electrically connected with the driving device, the connecting sheet is provided with a plurality of positioning holes, the inner side of each clamping sheet is provided with a positioning protrusion, and the positioning protrusion is adapted in the positioning hole after the clamping sheet is sleeved on the connecting sheet. The application is applied to the motor technical field.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of electric machines, and particularly relates to a synchronous motor structure. BACKGROUND

[0002] The synchronous motor is a commonly used alternating current motor and is the heart of the power system. It is a component integrating rotation and static, electromagnetic change and mechanical movement to realize the conversion of electric energy and mechanical energy. The dynamic performance thereof is very complex, and the dynamic performance has a great influence on the dynamic performance of the whole power system. At present, the structure of the synchronous motor generally comprises a shell, a motor main body and an electrical connecting piece. The motor main body and the electrical connecting piece are arranged on the shell, and the electrical connecting piece is electrically connected with the motor main body. When the electrical connecting piece is powered on or powered off, the motor main body starts to drive or stops driving. The traditional electrical connecting piece is integrally formed. When a part of the electrical connecting piece is damaged or has a flaw after processing, the whole connecting piece is discarded, which is a waste of resources.

[0003] A synchronous motor is disclosed in a patent document with the publication number CN209767294U. Although the terminal adopts a circular arc profiling structure, the contact surface with the pin is large, and the terminal has the advantage of good electrical conductivity. However, the terminal structure is very complex and difficult to manufacture. Once a part is damaged, the whole terminal will be discarded, resulting in a large loss. If a synchronous motor structure with a simple structure, easy-to-process wiring terminal and splicing function can be designed, the above problems can be well solved. SUMMARY

[0004] The technical problem to be solved by the application is to overcome the shortcomings of the prior art and provide a synchronous motor structure with a simple structure, easy-to-process wiring terminal and splicing function.

[0005] The technical solution adopted by the application is that the application comprises a shell, a driving device and an electrical connecting piece. The driving device and the electrical connecting piece are arranged on the shell. The electrical connecting piece comprises a connecting piece and a plurality of clamping pieces. The connecting piece is electrically connected with the driving device. The connecting piece is provided with a plurality of positioning holes. The inner sides of the plurality of clamping pieces are provided with positioning protrusions. The clamping pieces are sleeved on the connecting piece, and the positioning protrusions are fitted in the positioning holes.

[0006] Further, a first conductive column is arranged on each of the plurality of clamping pieces.

[0007] Further, the clamping piece comprises a first straight piece, a second straight piece, a third straight piece, a mounting piece and a U-shaped bending part, the first straight piece and the second straight piece are arranged in parallel on the U-shaped bending part, the positioning protrusion is arranged on the inner side of the first straight piece, the third straight piece is connected with the second straight piece, the mounting piece is connected with the third straight piece, the mounting piece is provided with a mounting hole, and the first conductive column is fixed on the mounting piece after being matched in the mounting hole.

[0008] Further, the two side surfaces of the mounting piece are located on the same horizontal plane with the inner side surfaces of the first straight piece and the second straight piece.

[0009] Further, the included angle between the third straight piece and the second straight piece is 160-170 degrees.

[0010] Further, the connecting piece comprises a first connecting piece and a second connecting piece which are both provided with the positioning hole, the electrical connecting piece further comprises a third connecting piece which is arranged between the first connecting piece and the second connecting piece, the third connecting piece is provided with a second conductive column, and the number of the clamping pieces is two, and the two clamping pieces are tightly sleeved on the first connecting piece and the second connecting piece respectively.

[0011] Further, the electrical connecting piece further comprises a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece are arranged symmetrically on the shell, the first connecting piece and the second connecting piece both comprise a rotating block, a spring and a moving piece, the rotating block is rotationally matched on the shell, the shell is provided with a blocking piece, one end of the moving piece abuts against the blocking piece, the other end of the moving piece is provided with a first conductive protrusion, one end of the first connecting piece and the second connecting piece is provided with a second conductive protrusion, the first conductive protrusion abuts against the second conductive protrusion, the spring is arranged between the rotating block and the moving piece, the rotating block is provided with a limiting groove, the moving piece is matched in the limiting groove, and the two rotating blocks are respectively provided with a first clamping protrusion and a second clamping protrusion; the driving device comprises a motor, a driving disc and a driven disc, the motor is arranged on the shell, the driving disc is drivingly connected with the motor and is rotationally matched on the shell, the driven disc is drivingly matched with the driving disc, the driven disc is provided with a transmission shaft, the driving disc is provided with a first clamping groove and a second clamping groove, the first clamping groove is located above the second clamping groove, the first clamping protrusion is matched with the first clamping groove, and the second clamping protrusion is matched with the second clamping groove.

[0012] Further, two first protrusions are arranged on the driving turntable, and two second protrusions are arranged on the driven turntable, the two first protrusions are respectively fitted in the two second profiling grooves, and the two second protrusions are respectively fitted in the two first profiling grooves.

[0013] Further, the shell comprises an upper shell, a lower shell, a mounting body and a sealing strip, the mounting body is arranged on the lower shell, the sealing strip is arranged on the edge of the lower shell, and the sealing strip is compressed between the upper shell and the lower shell after the upper shell is connected with the lower shell.

[0014] Further, the shell is provided with a jack, the first conductive column and the second conductive column are located in the jack, and buckles are arranged on the outer side of the jack.

[0015] The beneficial effects of the present application are: the present application comprises a shell, a driving device and an electrical connector, the driving device and the electrical connector are arranged on the shell, the electrical connector comprises a connecting piece and a plurality of clamping pieces, the connecting piece is electrically connected with the driving device, a plurality of positioning holes are arranged on the connecting piece, positioning protrusions are arranged on the inner sides of the plurality of clamping pieces, the positioning protrusions are fitted in the positioning holes after the clamping pieces are sleeved on the connecting piece, so that the clamping pieces are positioned and matched on the connecting piece, avoiding the problem of deviation or falling of the clamping pieces during the working process of the present application, and the reliability is high, when the clamping pieces are powered, the driving device can start to operate after receiving the electrical signal. Therefore, the present application not only has a simple structure, but also divides the electrical connector into two parts to be made by splicing the clamping pieces and the connecting piece, and the splicing operation is also simple and fast, when the length of the external power supply connector is not enough to be connected on the connecting piece, the clamping pieces are spliced on the connecting piece, which is equivalent to extending the length of the connecting piece, and then the external power supply connector is connected on the clamping piece. In addition, if the clamping pieces or the connecting pieces are damaged or have defects after processing, the corresponding clamping pieces or connecting pieces can be discarded, without discarding the entire electrical connector, thereby saving resources. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a perspective view of the present application;

[0017] Figure 2 is an exploded view of the present application;

[0018] Figure 3 is a schematic view of the internal structure of the present application;

[0019] Figure 4 is a perspective view of the electrical connector;

[0020] Figure 5 This is a three-dimensional view of the clip;

[0021] Figure 6 This is a front view of the clip;

[0022] Figure 7 This is a three-dimensional view of the first connecting piece;

[0023] Figure 8 This is a perspective view of the drive device when the drive shaft is retracted;

[0024] Figure 9 This is a perspective view of the drive device when the drive shaft is extended;

[0025] Figure 10 This is a first exploded view of the drive device;

[0026] Figure 11 This is a second exploded view of the drive device. Detailed Implementation

[0027] like Figures 1 to 11 As shown, in this embodiment, the present invention includes a housing, a driving device, and an electrical connector. The driving device and the electrical connector are both disposed on the housing. The electrical connector includes a connecting piece and a plurality of clamping pieces 1. The connecting piece is electrically connected to the driving device. The connecting piece is provided with a plurality of positioning holes 2. The inner side of each of the clamping pieces 1 is provided with a positioning protrusion 3. After the clamping piece 1 is fitted onto the connecting piece, the positioning protrusion 3 is adapted to the positioning hole 2, so that the clamping piece 1 is positioned and fitted on the connecting piece. This avoids the problem of the clamping piece 1 being misaligned or falling off during the operation of the present invention, resulting in high reliability. When the clamping piece 1 is energized, the driving device can start running after receiving the electrical signal. Therefore, this invention not only has a simple structure, but also manufactures the electrical connector in two parts, consisting of the clamping piece 1 and the connecting piece, which are spliced ​​together. The splicing operation is also simple and quick. When the length of the external power connector is insufficient to connect to the connecting piece, the clamping piece 1 is spliced ​​onto the connecting piece, which is equivalent to extending the length of the connecting piece, and then the external power connector is connected to the clamping piece 1. In addition, if the clamping piece 1 or the connecting piece is damaged or has defects after processing, the corresponding clamping piece 1 or connecting piece can be discarded, without discarding the entire electrical connector, thereby saving resources.

[0028] In this embodiment, each of the clamping pieces 1 is provided with a first conductive post 4. When the first conductive post 4 is inserted into the connector hole on the external power supply connector, the external power supply can supply power to the present invention.

[0029] In the embodiment, the clamping piece 1 comprises a first straight piece 5, a second straight piece 6, a third straight piece 7, a mounting piece 8 and a U-shaped bending part 9, the first straight piece 5 and the second straight piece 6 are arranged in parallel on the U-shaped bending part 9, the positioning protrusion 3 is arranged on the inner side of the first straight piece 5, the third straight piece 7 is connected with the second straight piece 6, the mounting piece 8 is connected with the third straight piece 7, the mounting piece 8 is provided with a mounting hole 10, and the first conductive column 4 is fixed on the mounting piece 8 after being fitted in the mounting hole 10.

[0030] In the embodiment, the two side surfaces 40 of the mounting piece 8 are located on the same horizontal plane with the inner side surfaces 41 of the first straight piece 5 and the second straight piece 6.

[0031] In the embodiment, the included angle between the third straight piece 7 and the second straight piece 6 is 160°-170°.

[0032] In the embodiment, the connecting piece comprises a first connecting piece 11 and a second connecting piece 12, both of which are provided with the positioning hole 2, the electrical connecting member further comprises a third connecting piece 13, the third connecting piece 13 is arranged between the first connecting piece 11 and the second connecting piece 12, the third connecting piece 13 is provided with a second conductive column 14, the number of the clamping pieces 1 is two, and the two clamping pieces 1 are respectively tightly sleeved on the first connecting piece 11 and the second connecting piece 12.

[0033] In the embodiment, the structures and shapes of the two clamping pieces 1 are completely same, one of the clamping pieces 1 is sleeved on the first connecting piece 11, the first conductive column 4 on the first connecting piece 11 is close to the second conductive column 14, the other clamping piece 1 needs to be turned over by 180° first and then be sleeved on the second connecting piece 12, the first conductive column 4 on the second connecting piece 12 is close to the second conductive column 14, so that the two first conductive columns 4 are symmetrically arranged along the central axis of the second conductive column 14, and the second conductive column 14 and the two first conductive columns 4 can be accurately positioned with the three connecting holes of the external power supply connecting member. Therefore, the two clamping pieces 1 can be produced by using only one mold, and the symmetric arrangement of the two first conductive columns 4 can be realized by changing the assembly mode of one clamping piece 1, which greatly reduces the production cost.

[0034] In the embodiment, the electrical connecting member further comprises a first connecting member and a second connecting member, the first connecting member and the second connecting member are symmetrically arranged on the shell, the first connecting member and the second connecting member each comprise a rotating block 15, a spring 16 and a moving piece 17, the rotating block 15 is rotationally fitted on the shell, the shell is provided with a baffle 18, one end of the moving piece 17 abuts against the baffle 18, the other end of the moving piece 17 is provided with a first conductive protrusion 19, one end of the first connecting piece 11 and the second connecting piece 12 is provided with a second conductive protrusion 20, the first conductive protrusion 19 abuts against the second conductive protrusion 20, the spring 16 is arranged between the rotating block 15 and the moving piece 17, the rotating block 15 is provided with a limiting groove 21, the moving piece 17 is fitted in the limiting groove 21, the two rotating blocks 15 are respectively provided with a first clamping protrusion 22 and a second clamping protrusion 23; the driving device comprises a motor 24, a driving turntable 25 and a driven turntable 26, the motor 24 is arranged on the shell, the driving turntable 25 is rotationally fitted on the shell after being drivingly connected with the motor 24, the driven turntable 26 is drivingly connected with the driving turntable 25, the driven turntable 26 is provided with a transmission shaft 27, the driving turntable 25 is provided with a first clamping groove 28 and a second clamping groove 29, the first clamping groove 28 is located above the second clamping groove 29, the first clamping protrusion 22 is fitted in the first clamping groove 28, and the second clamping protrusion 23 is fitted in the second clamping groove 29.

[0035] In the embodiment, the driving turntable 25 is provided with two first protrusions 30 and two first profiling grooves 31, the driven turntable 26 is provided with two second protrusions 32 and two second profiling grooves 33, the two first protrusions 30 are respectively fitted in the two second profiling grooves 33, and the two second protrusions 32 are respectively fitted in the two first profiling grooves 31.

[0036] In the embodiment, for the first connecting piece, the first conductive bump 19 on the moving piece 17 is in contact with the second conductive bump 20 on the first connecting piece 11, realizing the electrical connection between the moving piece 17 and the first connecting piece 11. When the motor 24 is driven, the driving disc 25 rotates counterclockwise. When the first clamping protrusion 22 is opposite to the first clamping slot 28, the first clamping protrusion 22 is adapted in the first clamping slot 28 under the elastic force of the spring 16. At this time, the first clamping protrusion 22 pulls the moving piece 17 to move, so that the first conductive bump 19 on the moving piece 17 is away from the second conductive bump 20 on the first connecting piece 11, disconnecting the electrical connection between the moving piece 17 and the first connecting piece 11. The two first protrusions 30 are respectively adapted in the two second profiling slots 33, and the two second protrusions 32 are respectively adapted in the two first profiling slots 31, so that the transmission shaft 27 is in a retracted state.

[0037] In the embodiment, for the second connecting piece, the first conductive bump 19 on the moving piece 17 is in contact with the second conductive bump 20 on the second connecting piece 12, realizing the electrical connection between the moving piece 17 and the second connecting piece 12. When the second clamping protrusion 23 is opposite to the second clamping slot 29, the second clamping protrusion 23 is adapted in the second clamping slot 29 under the elastic force of the spring 16. At this time, the second clamping protrusion 23 pulls the moving piece 17 to move, so that the first conductive bump 19 on the moving piece 17 is away from the second conductive bump 20 on the second connecting piece 12, disconnecting the electrical connection between the moving piece 17 and the second connecting piece 12. The top ends of the two first protrusions 30 are respectively in contact with the bottom ends of the two second protrusions 32, that is, the driving disc 25 lifts the driven disc 26, so that the transmission shaft 27 is in an extended state.

[0038] In the embodiment, the shell comprises an upper shell 34, a lower shell 35, a mounting body 36 and a sealing strip 37. The mounting body 36 is arranged on the lower shell 35, and the sealing strip 37 is arranged on the edge of the lower shell 35. After the upper shell 34 is connected with the lower shell 35, the sealing strip 37 is compressed between the upper shell 34 and the lower shell 35.

[0039] In the embodiment, the shell is provided with a jack 38, and the first conductive column 4 and the second conductive column 14 are located in the jack 38. The jack 38 is provided with a buckle 39 on the outside. The external power supply connecting piece is inserted into the jack 38, and the buckle 39 is buckled in the clamping hole of the external power supply connecting piece, so as to lock the external power supply connecting piece on the shell.

Claims

1. A synchronous machine structure, characterized by: It includes a shell, a driving device and an electrical connecting piece, the driving device and the electrical connecting piece are arranged on the shell, the electrical connecting piece includes a connecting piece and a plurality of clamping pieces (1), the connecting piece is electrically connected with the driving device, a plurality of positioning holes (2) are arranged on the connecting piece, the inner side of a plurality of clamping pieces (1) is provided with a positioning protrusion (3), the clamping piece (1) is tightly sleeved on the connecting piece, and the positioning protrusion (3) is matched in the positioning hole (2); A plurality of clamping pieces (1) are provided with a first conductive column (4); The connecting piece includes a first connecting piece (11) and a second connecting piece (12) which are provided with the positioning hole (2), the electrical connecting piece further includes a third connecting piece (13), the third connecting piece (13) is arranged between the first connecting piece (11) and the second connecting piece (12), the third connecting piece (13) is provided with a second conductive column (14), the number of the clamping piece (1) is two, and the two clamping pieces (1) are tightly sleeved on the first connecting piece (11) and the second connecting piece (12) respectively; The electrical connecting piece further includes a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece are symmetrically arranged on the shell, the first connecting piece and the second connecting piece both include a rotating block (15), a spring (16) and a moving piece (17), the rotating block (15) is rotatably matched on the shell, the shell is provided with a baffle (18), one end of the moving piece (17) abuts against the baffle (18), the other end of the moving piece (17) is provided with a first conductive protrusion (19), one end of the first connecting piece (11) and the second connecting piece (12) is provided with a second conductive protrusion (20), the first conductive protrusion (19) abuts against the second conductive protrusion (20), the spring (16) is arranged between the rotating block (15) and the moving piece (17), the rotating block (15) is provided with a limiting groove (21), the moving piece (17) is matched in the limiting groove (21), and the first clamping convex (22) and the second clamping convex (23) are arranged on the two rotating blocks (15) respectively; the driving device includes a motor (24), a driving disc (25) and a driven disc (26), the motor (24) is arranged on the shell, the driving disc (25) is rotatably matched on the shell after being in transmission connection with the motor (24), the driven disc (26) is in transmission cooperation with the driving disc (25), the driven disc (26) is provided with a transmission shaft (27), the driving disc (25) is provided with a first clamping groove (28) and a second clamping groove (29), the first clamping groove (28) is located above the second clamping groove (29), the first clamping convex (22) is matched with the first clamping groove (28), and the second clamping convex (23) is matched with the second clamping groove (29).

2. The synchronous machine structure of claim 1, characterized in that: The clamping piece (1) comprises a first straight piece (5), a second straight piece (6), a third straight piece (7), a mounting piece (8) and a U-shaped bending part (9), the first straight piece (5) and the second straight piece (6) are arranged in parallel on the U-shaped bending part (9), the positioning protrusion (3) is arranged on the inner side of the first straight piece (5), the third straight piece (7) is connected with the second straight piece (6), the mounting piece (8) is connected with the third straight piece (7), the mounting piece (8) is provided with a mounting hole (10), and the first conductive column (4) is fixed on the mounting piece (8) after being fitted in the mounting hole (10).

3. The synchronous machine structure of claim 2, characterized in that: The two side surfaces (40) of the mounting piece (8) are located on the same horizontal plane as the inner side surfaces (41) of the first straight piece (5) and the second straight piece (6).

4. The synchronous machine structure of claim 2, wherein: The included angle between the third straight piece (7) and the second straight piece (6) is 160°-170°.

5. The synchronous machine structure of claim 1, wherein: The driving turntable (25) is provided with two first protrusions (30) and two first profiling grooves (31), the driven turntable (26) is provided with two second protrusions (32) and two second profiling grooves (33), the two first protrusions (30) are respectively fitted in the two second profiling grooves (33), and the two second protrusions (32) are respectively fitted in the two first profiling grooves (31).

6. The synchronous machine structure of claim 1, wherein: The shell comprises an upper shell (34), a lower shell (35), a mounting body (36) and a sealing strip (37), the mounting body (36) is arranged on the lower shell (35), the sealing strip (37) is arranged on the edge of the lower shell (35), and the sealing strip (37) is compressed between the upper shell (34) and the lower shell (35) after the upper shell (34) is connected with the lower shell (35).

7. The synchronous machine structure of claim 1, wherein: The shell is provided with a jack (38), the first conductive column (4) and the second conductive column (14) are located in the jack (38), and the outer side of the jack (38) is provided with a buckle (39).

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