Conductive disc slip ring

Abstract

The utility model relates to a conductive disc slip ring, in particular to a conductive disc slip ring capable of changing the contact direction, which comprises a rotor shell which is provided with a plurality of first annular reeds and is matched with a spline shaft, and a stator shell which is in running fit with the rotor shell is arranged on one side of the rotor shell. A first contact which is kept electrically connected with the first annular reed in the relative rotation process of the stator shell and the rotor shell is installed in the stator shell, the first contact and the first annular reed form a circumferential face through abutting against and relative rotation, and the axial direction of the circumferential face is the same as the axial direction of the spline shaft. According to the utility model, the directions of the contact surfaces and the rotating surfaces of the contacts and the annular reeds in the stator shell and the rotor shell are adjusted, after adjustment, the contacts and the annular reeds are higher in energization and longer in service life, and the motor also has the characteristics of simple structure, convenience in processing and easiness in assembly, and is high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to a conductive disc slip ring, especially to a conductive disc slip ring of changing contact direction. BACKGROUND

[0002] In the conductive disc slip ring on the market, the annular spring sheet forms a circumferential surface through abutting and relative rotation, and the axial direction of the circumferential surface is perpendicular to the axial direction of the spline shaft, such as the patent with the application number 202420028530.6 and the patent name "a conductive slip ring". After long-term use, the contact between the annular spring sheet and the contact is not ideal. How to improve the matching structure between the annular spring sheet and the contact is a technical problem that we need to solve at present. CONTENT OF THE UTILITY MODEL

[0003] In view of the existing technical deficiencies, the utility model provides a conductive disc slip ring.

[0004] In order to achieve the above purpose, the utility model adopts the technical scheme: a conductive disc slip ring, characterized by comprising a rotor shell provided with a plurality of first annular spring sheets and matched with a spline shaft, one side of the rotor shell is provided with a stator shell matched with the rotor shell in rotation, the stator shell is provided with a first contact maintained in electrical connection with the first annular spring sheet during relative rotation of the stator shell and the rotor shell, the first contact and the first annular spring sheet form a circumferential surface through abutting and relative rotation, and the axial direction of the circumferential surface is the same as the axial direction of the spline shaft.

[0005] A plurality of annular grooves are arranged on the rotor shell and coaxially arranged along the axial direction of the rotor shell, and the first annular spring sheet is limited in the rotor shell by being clamped into the groove.

[0006] The groove comprises a flange arranged along the axial direction of the rotor shell, the first annular spring sheet is vertically arranged along the axial direction of the rotor shell by the flange, and the flange is provided with a protruding column protruding towards the first annular spring sheet.

[0007] The bottom of the groove is provided with a limiting hole for preventing the relative rotation of the rotor shell and the first annular spring sheet, the first annular spring sheet is provided with a protruding block matched with the limiting hole, and the first annular spring sheet is limited by being clamped into the limiting hole through the protruding block.

[0008] The bottom of the rotor shell and the position relative to the limiting hole are provided with a terminal post, the terminal post is at least partially arranged around the protruding block, the protruding block is provided with a terminal hole, and the terminal post is provided with a cutting groove for facilitating wiring.

[0009] The rotor shell is provided with a first bearing for facilitating the relative rotation of the rotor shell and the stator shell.

[0010] The first contact is provided with a terminal for fixing the first contact on one side, the stator shell is provided with a mounting hole for fixing the terminal, and the terminal is fixed and limited by being clamped into the mounting hole.

[0011] The stator shell is provided with a fixing seat for penetrating the spline shaft on one side, the stator shell is provided with a positioning column, the fixing seat is provided with a positioning hole matched with the positioning column, the stator shell and the fixing seat are linked by inserting the positioning column into the positioning hole, the fixing seat is provided with at least one conductive ring shell sleeved outside the spline shaft and fixedly connected with the fixing seat, the conductive ring shell is provided with a rotating block sleeved on the spline shaft and rotationally matched with the conductive ring shell, and the conductive ring shell and the rotating block are relatively rotated through the cooperation of the spline shaft.

[0012] The conductive ring shell is provided with a screw hole, and a plurality of conductive ring shells are fixed on the fixing seat through the cooperation of the screw and the screw hole.

[0013] The rotating block is provided with a second annular spring sheet linked with the rotating block, and the conductive ring shell is provided with a second contact maintained in electrical connection with the second annular spring sheet during the relative rotation of the conductive ring shell and the rotating block.

[0014] The utility model discloses the contact and annular spring sheet's contact surface and the direction of the rotating surface of stator shell and rotor shell have been adjusted, and the contact and annular spring sheet are higher in electrification after adjustment, and the service life is longer, and the utility model also has the characteristics of simple structure, convenient processing and easy assembly, and the practicality is strong. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic diagram of the utility model;

[0016] Figure 2 It is the structure exploded view of the utility model;

[0017] Figure 3 It is the structure section view of the utility model;

[0018] Figure 4 It is the structure schematic of rotor shell of the utility model Figure 1 ;

[0019] Figure 5 It is the structure schematic of rotor shell of the utility model Figure 2 ;

[0020] Figure 6 It is the structure schematic diagram of stator shell of the utility model;

[0021] Figure 7 It is the structure schematic diagram of fixing seat of the utility model;

[0022] Figure 8The utility model discloses a first contact, terminal and the structure schematic diagram of cooperation of first annular spring piece,

[0023] Figure 9 The utility model discloses the structure exploded view of cooperation of conductive ring shell, rotating block and second annular spring piece,

[0024] Figure 10 The utility model discloses the structure schematic diagram of conductive ring shell,

[0025] Figure 11 The utility model discloses the structure schematic diagram of cooperation of three groups of conductive ring shell. DETAILED DESCRIPTION

[0026] As Figures 1-11 The utility model discloses a conductive disc slip ring, including the rotor shell 100 of cooperation with a plurality of first annular spring piece 110 and the spline shaft 300, one side of rotor shell 100 is equipped with the stator shell 200 of rotation cooperation with rotor shell 100, the first contact 210 of keeping with first annular spring piece 110 electric connection in the stator shell 200 with the relative rotation process of stator shell 200 and rotor shell 100 is loaded in stator shell 200, and the circumferential surface of first contact 210 and first annular spring piece 110 is formed by resistance and relative rotation, and the axial direction of this circumferential surface is same with the axial direction of spline shaft 300.

[0027] The rotor shell 100 is equipped with a plurality of annular shapes and is coaxially arranged in the axial direction of rotor shell 100 Type groove 120, and the first annular spring piece 110 is limited in the rotor shell 100 by clamping into the type groove 120.

[0028] The type groove 120 includes the flange 121 arranged along the axial direction of rotor shell 100, and the first annular spring piece 110 is kept vertical along the axial direction of rotor shell 100 by the flange 121, the flange 121 is equipped with the boss 122 protruding to the direction of first annular spring piece 110, and the flange 121 makes the first annular spring piece 110 stand on the rotor shell 100, and the top of boss 122 is provided with an inclined surface, which plays a guiding role when the first annular spring piece 110 is installed downward, facilitates the installation of the first annular spring piece 110, and has high practicality.

[0029] The groove bottom of type groove 120 is provided with a limiting hole 123 for preventing the relative rotation of rotor shell 100 and first annular spring piece 110, and the first annular spring piece 110 is provided with a protruding block 111 matched with the limiting hole 123, and the first annular spring piece 110 is limited by clamping into the limiting hole 123 through the protruding block 111, and the addition of the protruding block 111 makes the first annular spring piece 110 link with the rotor shell 100, and facilitates the bottom wiring.

[0030] The bottom of the rotor shell 100 and relative to the position of the limiting hole 123 is provided with a terminal post 130, which is at least partially arranged around the protrusion 111, and the protrusion 111 is provided with a terminal hole 112, and the terminal post 130 is provided with a cutting groove 131 for facilitating wiring, and the cutting groove 131 is left for facilitating wiring.

[0031] The rotor shell 100 is provided with a first bearing 140 for facilitating the relative rotation of the rotor shell 100 and the stator shell 200, and the first bearing 140 increases the flexibility of the rotation cooperation between the rotor shell 100 and the stator shell 200.

[0032] One side of the first contact 210 is provided with a terminal 211 for fixing the first contact 210, and the stator shell 200 is provided with a mounting hole 220 for fixing the terminal 211, and the terminal 211 is fixed by being clamped into the mounting hole 220.

[0033] One side of the stator shell 200 is provided with a fixing seat 230 for penetrating the spline shaft 300, and the stator shell 200 is provided with a positioning column 240, and the fixing seat 230 is provided with a positioning hole 231 matched with the positioning column 240, and the stator shell 200 and the fixing seat 230 are linked by inserting the positioning column 240 into the positioning hole 231, and the fixing seat 230 is provided with at least one conductive ring shell 400 sleeved outside the spline shaft 300 and fixedly connected with the fixing seat 230, the conductive ring shell 400 is provided with a rotating block 410 sleeved on the spline shaft 300 and rotationally matched with the conductive ring shell 400, the conductive ring shell 400 and the rotating block 410 are relatively rotated through the cooperation of the spline shaft 300, the conductive ring shell 400 is provided with a second bearing 440 matched with the rotating block 410, and the wire connected with the conductive ring shell 400 can be used for communication, signal or conduction, and the number of the conductive ring shell 400 can be increased according to requirements, which is equivalent to modular design, two conductive ring shells 400 are arranged for two groups of signals, and the practicability is high.

[0034] The conductive ring shell 400 is provided with a screw hole 420, and a plurality of conductive ring shells 400 are fixed on the fixing seat 230 through the cooperation of screws (not shown in the figure) and the screw holes 420, and the installation is convenient and the structure is firm through the screw fastening mode.

[0035] The rotating block 410 is provided with a second annular spring sheet 411 linked with the rotating block 410, and the conductive ring shell 400 is provided with a second contact 430 for maintaining electrical connection with the second annular spring sheet 411 during the relative rotation of the conductive ring shell 400 and the rotating block 410, and the second annular spring sheet 411 is clamped on the rotating block 410 after the welding of the electric wire.

[0036] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Simple changes and substitutions by those skilled in the art without departing from the spirit and scope of the present application are within the scope of protection of the present application.

Claims

1. An electrically conductive disc slip ring, characterized in that, The application relates to a rotor shell (100) provided with a plurality of first annular spring leaves (110) and matched with a spline shaft (300), one side of the rotor shell (100) is provided with a stator shell (200) matched with the rotor shell (100) in rotation, the stator shell (200) is internally provided with a first contact (210) kept in electrical connection with the first annular spring leaf (110) during relative rotation between the stator shell (200) and the rotor shell (100), the first contact (210) and the first annular spring leaf (110) form a circumferential surface through abutting and relative rotation, and the axial direction of the circumferential surface is the same as the axial direction of the spline shaft (300).

2. An electrically conductive disc slip ring as claimed in claim 1, wherein, The rotor shell (100) is provided with a plurality of annular grooves (120) coaxially arranged in the axial direction of the rotor shell (100), and the first annular spring leaf (110) is limited in the rotor shell (100) by being clamped into the annular grooves (120).

3. An electrically conductive disc slip ring as claimed in claim 2, wherein, The annular groove (120) comprises a flange (121) arranged in the axial direction of the rotor shell (100), the first annular spring leaf (110) is kept vertically arranged in the axial direction of the rotor shell (100) through the flange (121), and the flange (121) is provided with a protruding column (122) protruding towards the first annular spring leaf (110).

4. An electrically conductive disk slip ring as defined in claim 2, wherein, The groove bottom of the annular groove (120) is provided with a limiting hole (123) preventing relative rotation between the rotor shell (100) and the first annular spring leaf (110), the first annular spring leaf (110) is provided with a protruding block (111) matched with the limiting hole (123), and the first annular spring leaf (110) is limited by being clamped into the limiting hole (123) through the protruding block (111).

5. A conductive disk slip ring as described in claim 4, characterized in that, The bottom of the rotor shell (100) and the position relative to the limiting hole (123) are provided with a wiring column (130) at least partially surrounding the protruding block (111), the protruding block (111) is provided with a wiring hole (112), and the wiring column (130) is provided with a cutting groove (131) facilitating wiring.

6. An electrically conductive disk slip ring as defined in claim 1, wherein, The rotor shell (100) is internally provided with a first bearing (140) facilitating relative rotation between the rotor shell (100) and the stator shell (200).

7. An electrically conductive disk slip ring as defined in claim 1, wherein, One side of the first contact (210) is provided with a terminal (211) for fixing the first contact (210), the stator shell (200) is provided with a mounting hole (220) for fixing the terminal (211), and the terminal (211) is fixed and limited by being clamped into the mounting hole (220).

8. An electrically conductive disc slip ring as claimed in any one of claims 1 to 7, wherein, The stator shell (200) is provided with a fixing seat (230) through which the spline shaft (300) penetrates, the stator shell (200) is provided with a positioning column (240), the fixing seat (230) is provided with a positioning hole (231) matched with the positioning column (240), the stator shell (200) and the fixing seat (230) are linked through the positioning column (240) inserted into the positioning hole (231), the fixing seat (230) is provided with at least one electrically conductive ring shell (400) sleeved outside the spline shaft (300) and fixedly connected with the fixing seat (230), the electrically conductive ring shell (400) is provided with a rotating block (410) sleeved on the spline shaft (300) and rotationally matched with the electrically conductive ring shell (400), and the electrically conductive ring shell (400) and the rotating block (410) relatively rotate through the cooperation of the spline shaft (300).

9. An electrically conductive disk slip ring as defined in claim 8, wherein, The electrically conductive ring shell (400) is provided with a screw hole (420), and a plurality of electrically conductive ring shells (400) are fixed on the fixing seat (230) through the cooperation of screws and the screw holes (420).

10. An electrically conductive disk slip ring as defined in claim 8, wherein, The rotating block (410) is provided with a second annular spring sheet (411) linked with the rotating block (410), and the electrically conductive ring shell (400) is provided with a second contact (430) which keeps electrical connection with the second annular spring sheet (411) during the relative rotation of the electrically conductive ring shell (400) and the rotating block (410).

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