CN209856219U

CN209856219U - Rotating device and mechanical equipment

Info

Publication number: CN209856219U
Application number: CN201920025319.8U
Authority: CN
Inventors: 余勇; 吴永强; 康瑞祥; 崔世强; 郭润明; 余日华
Original assignee: Midea Group Co Ltd; GD Midea Environment Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Environment Appliances Manufacturing Co Ltd
Priority date: 2019-01-08
Filing date: 2019-01-08
Publication date: 2019-12-27
Anticipated expiration: 2029-01-08

Abstract

The embodiment of the utility model provides a rotating device and mechanical equipment, rotating device include connecting axle, rotation piece and location portion, the connecting axle surface is formed with first spout and annular, the annular extends along the circumference of connecting axle, the annular with the first spout intercommunication; the rotating piece is provided with a shaft hole, and the connecting shaft penetrates through the shaft hole; the positioning part is fixedly connected with the rotating part; the location portion, the first spout, and the annular structure is: at least part of the structure of the positioning part extends into the first sliding groove, the positioning part can move to the inside of the annular groove along the first sliding groove, and the positioning part can rotate relative to the annular groove. During the assembly, will rotate the piece and cup joint on the connecting axle, promote to rotate the piece and make location portion move to annular department along first spout, location portion plays certain axial limiting displacement to rotating the piece, rotates the relative connecting axle rotation of piece relatively reliably, and rotating device assembling process is simple and convenient.

Description

Rotating device and mechanical equipment

Technical Field

The utility model relates to a mechanical transmission technical field especially relates to a rotating device and mechanical equipment.

Background

In the related art, the assembly relationship between the roller and the shaft is as follows: the gyro wheel is rotationally the cover and is located epaxially, uses parts such as screw, jump ring or retaining ring to carry out axial spacing to the gyro wheel in the axial outside of gyro wheel, and this structure makes assembly gyro wheel and axle more time-consuming.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present invention is expected to provide a rotating device which is convenient to assemble.

In order to achieve the above object, a first aspect of the embodiments of the present invention provides a rotating device, including a connecting shaft, a rotating member, and a positioning portion, wherein a first sliding groove and a ring groove are formed on a surface of the connecting shaft, the ring groove extends along a circumferential direction of the connecting shaft, and the ring groove is communicated with the first sliding groove; the rotating piece is provided with a shaft hole, and the connecting shaft penetrates through the shaft hole; the positioning part is fixedly connected with the rotating part; the location portion, the first spout, and the annular structure is: at least part of the structure of the positioning part extends into the first sliding groove, the positioning part can move to the inside of the annular groove along the first sliding groove, and the positioning part can rotate relative to the annular groove.

Further, the location portion with the orientation of first spout the radially outside first surface interference fit of connecting axle, location portion with the edge of annular the radially outside second surface clearance fit of connecting axle.

Furthermore, one end of the first sliding chute extends to the end face of the connecting shaft, and the other end of the first sliding chute is communicated with the annular groove; or, the connecting shaft includes first shaft section and second shaft section interconnect, the diameter of first shaft section is less than the diameter of second shaft section, first spout with the annular groove forms on the second shaft section, the one end of first spout extends to the second shaft section the terminal surface towards first shaft section.

Further, the positioning part and the rotating part are of an integrated structure.

Further, the positioning part is formed as a protrusion protruding from the inner wall of the shaft hole.

Further, the positioning part is an elastic piece.

Further, the connecting axle includes the linkage segment, form in the first section of linkage segment one end and the second section that forms in the linkage segment other end, first section with the surface of second section all is formed with first spout with the annular.

Further, a stop surface is formed on the connecting section, and the stop surface comprises at least one plane.

A second aspect of the embodiments of the present invention provides a mechanical apparatus, including any one of the above-described rotating devices.

Further, mechanical equipment is the fan, the fan includes fan body subassembly and mount pad, the orientation of mount pad one side of fan body subassembly is formed with the mounting groove, rotating device supports in the mounting groove, the at least partial structure protrusion of rotation piece in the surface of one side of mount pad orientation fan body subassembly, fan body subassembly with rotate the rolling contact.

Further, the fan body assembly is formed into an arc-shaped structure, and a second sliding groove penetrating through the fan body assembly is formed in the fan body assembly; the fan comprises a positioning piece, the positioning piece is connected with the mounting seat, one side of the positioning piece, which is far away from the mounting seat, extends into the second sliding groove, and the second sliding groove and the positioning piece can slide relatively; the locating piece is formed with spacing portion, the fan body subassembly presss from both sides and locates spacing portion with rotate between the piece.

The rotating device of the embodiment of the utility model, when being assembled, the rotating part is sleeved on the part of the connecting shaft corresponding to the first chute, and the positioning part extends into the first chute; the promotion rotates a piece along connecting axle axial displacement, rotates a piece and drives location portion along first spout motion to annular department, and location portion can rotate by relative annular, and location portion plays certain axial limiting displacement to rotating the piece, rotates the relative connecting axle rotation of piece relatively reliably, and the assembly process is simple and convenient, also can realize rotating a piece and the relative rotation of connecting axle comparatively reliably under the effect of locating parts such as non-assembly screw, jump ring.

Drawings

Fig. 1 is an exploded view of a rotating device according to an embodiment of the present invention;

fig. 2 is an assembly view of a rotating device according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a rotating member and a positioning portion according to an embodiment of the present invention;

FIG. 4 is a schematic view of a partial structure of a fan according to an embodiment of the present invention

FIG. 5 is an exploded view of the structure shown in FIG. 4; and

fig. 6 is a schematic structural diagram of a mounting seat according to an embodiment of the present invention.

Description of the reference numerals

A rotating device 100; a connecting shaft 10; a first chute 101; a first surface 101 a; a ring groove 102; a second surface 102 a; a stop surface 103; a first section 11; a second section 12; a connecting section 13; a rotating member 20; a shaft hole 201; a positioning portion 30; a mounting seat 40; a mounting groove 401; a sector assembly 50; a second chute 501; a positioning member 60; limiting part 601

Detailed Description

It should be noted that, in the present application, technical features in the embodiments and examples may be combined with each other without conflict, and the detailed description in the specific embodiment should be understood as an explanation of the gist of the present invention and should not be construed as an improper limitation of the present invention.

The orientation or positional relationship in the description of the present invention is based on the orientation or positional relationship shown in the drawings, and it is to be understood that these orientation terms are merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the embodiment of the present invention, "fixedly connected" means that there is no relative movement such as mutual rotation and sliding between the two connected, that is, the two can move synchronously, for example, the two can move in an integrated manner, such as welding, screwing, clamping, etc.

A first aspect of the embodiment of the present invention provides a rotating device 100, please refer to fig. 1 and 3, the rotating device 100 includes a connecting shaft 10, a rotating member 20 and a positioning portion 30, a first sliding groove 101 and a ring groove 102 are formed on a surface of the connecting shaft 10, wherein the ring groove 102 extends along a circumferential direction of the connecting shaft 10, that is, the ring groove 102 is annular, the ring groove 102 is communicated with the first sliding groove 101, that is, at least a portion of the first sliding groove 101 extends along an axial direction of the connecting shaft 10, it can be understood that the "axial extension" may be a linear extension or a spiral extension along a surface of the connecting shaft 10; the rotating part 20 is provided with a shaft hole 201, the connecting shaft 10 is arranged in the shaft hole 201 in a penetrating way, namely, the rotating part 20 is sleeved on the connecting shaft 10; the positioning part 30 is fixedly connected with the rotating member 20, and the positioning part 30, the first sliding groove 101 and the ring groove 102 are configured as follows: at least part of the structure of the positioning part 30 can extend into the first sliding groove 101, the positioning part 30 can move into the annular groove 102 along the first sliding groove 101, and the positioning part 30 can rotate relative to the annular groove 102.

During assembly, the rotating part 20 is sleeved on the part, corresponding to the first sliding groove 101, of the connecting shaft 10, the positioning part 30 extends into the first sliding groove 101, and due to the matching effect of the positioning part 30 and the first sliding groove 101, the rotating part 20 and the connecting shaft 10 cannot rotate relatively at the moment; the rotating part 20 is axially moved along the connecting shaft 10, the rotating part 20 drives the positioning part 30 to move to the annular groove 102 along the first sliding groove 101, the positioning part 30 can rotate relative to the annular groove 102, that is, the rotating part 20 can rotate relative to the connecting shaft 10 under the condition, under the matching action of the positioning part 30 and the annular groove 102, the positioning part 30 plays a certain axial limiting role on the rotating part 20, and the rotating part 20 can relatively reliably rotate relative to the connecting shaft 10. The utility model discloses rotating device 100, the assembly process is simple and convenient, also can realize rotating 20 and the comparatively reliable relative rotation of connecting axle 10 under the effect of locating part such as not assembling screw, jump ring.

The outer contour shape of the rotation member 20 is not limited as long as it can rotate with respect to the connection shaft 10, and may be, for example, but not limited to, a roller.

For the convenience of assembly, referring to fig. 1, one end of the first sliding groove 101 extends to the end surface of the connecting shaft 10, and the other end of the first sliding groove 101 communicates with the first sliding groove 101, when assembling, the positioning portion 30 of the rotating member 20 is aligned with the first sliding groove 101 at the end surface of the connecting shaft 10, and then the rotating member 20 is moved in the axial direction until the positioning portion 30 enters the annular groove 102. Referring to fig. 2, after the rotating device 100 is assembled, the rotating member 20 can rotate on the connecting shaft 10.

In another embodiment, not shown, the connection shaft 10 is a stepped shaft, i.e. the connection shaft 10 comprises a first shaft section (not shown) and a second shaft section (not shown) connected to each other, the diameter of the first shaft section being smaller than the diameter of the second shaft section, the first runner 101 and the ring groove 102 being formed on the second shaft section, one end of the first runner 101 extending to an end surface of the second shaft section facing the first shaft section. During assembly, the rotating member 20 can be freely sleeved on the first shaft section, and the rotating member 20 can freely move to the end of the second shaft section facing the first shaft section along the first shaft section.

In order to improve the axial positioning effect of the positioning portion 30 on the rotating member 20, in the present embodiment, the positioning portion 30 is in interference fit with the first surface 101a of the first sliding chute 101 facing radially outward of the connecting shaft 10, that is, there is no gap between the end of the positioning portion 30 facing away from the rotating member 20 and the first surface 101 a; the positioning part 30 is in clearance fit with a second surface 102a of the ring groove 102 facing radially outward of the connecting shaft 10, that is, a clearance is provided between an end of the positioning part 30 facing away from the rotating member 20 and the second surface 102a, so that the positioning part 30 can rotate relative to the ring groove 102. Since the positioning portion 30 is in clearance fit with the first surface 101a of the first sliding chute 101, there is a large friction between the positioning portion 30 and the first surface 101a, and the rotating member 20 is moved toward the annular groove 102 by force during assembly. After the assembly is completed, since there is no gap between the end of the positioning part 30 and the first surface 101a, even if the positioning part 30 rotates to correspond to the intersection of the first sliding groove 101 and the ring groove 102, the positioning part 30 is not easily inserted into the first sliding groove 101, so that the rotation reliability of the rotation member 20 and the connecting shaft 10 is greatly improved, and the rotation member 20 is not easily separated from the connecting shaft 10 in the axial direction of the connecting shaft 10.

It is understood that the first surface 101a may be a cambered surface or a flat surface, and the second surface 102a is formed as a circumferential surface of the connecting shaft 10 corresponding to the ring groove 102.

In the present embodiment, the positioning part 30 is formed as a protrusion protruding from the inner wall of the shaft hole 201. The positioning part 30 may be welded to the inner wall of the shaft hole 201, or may be integrally formed with the inner wall of the shaft hole 201, that is, the positioning part 30 and the rotating part 20 may be integrally formed, so that the manufacturing process of the rotating part 20 and the positioning part 30 can be simplified, and the manufacturing cost can be reduced.

In another embodiment, not shown, the positioning portion 30 is an elastic member, for example, the positioning portion 30 is made of silicon rubber, or the like.

The number of the positioning portions 30 is not limited, and may be one; the number of the positioning portions 30 may be plural, and the plurality of positioning portions 30 may be arranged at intervals, and the plurality of positioning portions 30 may be located on the same circumference of the connecting shaft 10 or may be located on different circumferences. It should be noted that each positioning portion 30 needs to have the first sliding groove 101 to match with it.

The connecting shaft 10 may have one end forming the ring groove 102 and the first sliding groove 101, or may have both ends forming the first sliding groove 101 and the first sliding groove 101. Specifically, referring to fig. 1, the connecting shaft 10 includes a connecting section 13, a first section 11 located at one end of the connecting section 13, and a second section 12 located at the other end of the connecting section 13, wherein the first sliding groove 101 and the annular groove 102 are formed on the surfaces of the first section 11 and the second section 12, that is, the rotating members 20 can be assembled at both ends of the connecting section 13 of the connecting shaft 10. Further, in order to facilitate the installation and connection of the rotating device 100 and other structures, the connecting section 13 is formed with a stop surface 103, the stop surface 103 includes at least one flat surface, when other structures are connected to the rotating device 100, other structures can be supported on the stop surface 103, on one hand, the stop surface 103 provides a supporting and installing space, and on the other hand, other structures can be supported on the stop surface 103 to prevent the connecting shaft 10 from rotating along with the rotating member 20.

A second aspect of the embodiments of the present invention provides a mechanical apparatus, including any one of the above-described rotating devices 100.

The type of the mechanical device is not limited, and the mechanical device may be a mechanical device that uses electricity, or a mechanical device that does not need electricity.

Taking a mechanical device as an example of a fan, please refer to fig. 4 and 5, the fan includes a fan body assembly 50 and a mounting seat 40; referring to fig. 6, a mounting groove 401 is formed on a side of the mounting seat 40 facing the sector assembly, the rotating device 100 is supported in the mounting groove 401, at least a part of the structure of the rotating member 20 protrudes from a surface of the side of the mounting seat 40 facing the sector assembly 50, the sector assembly 50 is in rolling contact with the rotating member 20, and the rotating member 20 guides the movement of the sector assembly 50. In the fan of the present embodiment, the rotating device 100 is sandwiched between the mounting seat 40 and the fan body assembly 50, the rotating device 100 is supported in the mounting groove 401, and the fan body assembly 50 and the mounting seat 40 are used to realize the positioning and mounting of the rotating device 100, so that the rotating device 100 does not need to use a connecting member such as a screw, and the rotating device 100 can be directly placed in the mounting groove 401.

The sector assembly 50 is an arc-shaped structure, and the sector assembly 50 is formed with a second sliding slot 501 penetrating the sector assembly 50, and the second sliding slot 501 extends along the arc length direction of the sector assembly 50. In this embodiment, the fan further includes a positioning element 60, the positioning element 60 is connected to the mounting base 40, one side of the positioning element 60 far away from the mounting base 40 extends into the second sliding slot 501, and the second sliding slot 501 and the positioning element 60 can slide relatively, that is, the fan assembly 50 can rotate relative to the mounting base 40. Further, the positioning element 60 is formed with a limiting portion 601, the limiting portion 601 is located on a side of the fan assembly 50 away from the mounting seat 40, and the fan assembly 50 is sandwiched between the limiting portion 601 and the rotating element 20. The cooperation of the positioning member 60 and the rotating member 20 performs a kinematic positioning on the sector assembly 50, so that the sector assembly 50 can be smoothly installed and rotated relatively, and the pitch angle of the sector assembly 50 can be changed. Taking the fan placed on the ground as an example, changing the pitch angle of the fan body assembly 50 changes the air outlet angle of the fan relative to the horizontal plane.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, but it is intended that the present invention cover various modifications and variations, which will be apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Rotating device, its characterized in that includes:

the connecting shaft (10) is provided with a first sliding groove (101) and a ring groove (102) on the surface of the connecting shaft (10), the ring groove (102) extends along the circumferential direction of the connecting shaft (10), and the ring groove (102) is communicated with the first sliding groove (101);

the rotating piece (20) is provided with a shaft hole (201), and the connecting shaft (10) penetrates through the shaft hole (201);

a positioning part (30), wherein the positioning part (30) is fixedly connected with the rotating part (20); the positioning portion (30), the first runner (101), and the ring groove (102) are configured such that: at least part of the positioning part (30) extends into the first sliding groove (101), the positioning part (30) can move into the annular groove (102) along the first sliding groove (101), and the positioning part (30) can rotate relative to the annular groove (102).

2. The rotating device according to claim 1, wherein the positioning portion (30) is in interference fit with a first surface (101a) of the first runner (101) facing radially outward of the connecting shaft (10), and the positioning portion (30) is in clearance fit with a second surface (102a) of the ring groove (102) facing radially outward of the connecting shaft (10).

3. The rotating device according to claim 1 or 2, wherein one end of the first sliding groove (101) extends to an end surface of the connecting shaft (10), and the other end of the first sliding groove (101) communicates with the annular groove (102); or, connecting axle (10) includes first shaft segment and second shaft segment of interconnect, the diameter of first shaft segment is less than the diameter of second shaft segment, first spout (101) with annular (102) are formed at the second shaft segment, the one end of first spout (101) extends to the orientation of second shaft segment the terminal surface of first shaft segment.

4. The rotating device according to claim 1, wherein the positioning portion (30) is formed integrally with the rotating member (20).

5. The rotating device according to claim 1, 2 or 4, wherein the positioning portion (30) is formed as a protrusion protruding from an inner wall of the shaft hole (201).

6. The rotating device according to claim 1, wherein the positioning portion (30) is an elastic member.

7. The rotating device according to claim 1, wherein the connecting shaft (10) includes a connecting section (13), a first section (11) formed at one end of the connecting section (13), and a second section (12) formed at the other end of the connecting section (13), and the first sliding groove (101) and the ring groove (102) are formed on the surfaces of the first section (11) and the second section (12).

8. Turning device according to claim 7, characterized in that the coupling section (13) is formed with a stop surface (103), which stop surface (103) comprises at least one flat surface.

9. Mechanical device, characterized in that it comprises a rotating device according to any one of claims 1 to 8.

10. Machinery arrangement according to claim 9, characterised in that the machinery arrangement is a fan comprising a fan body assembly (50) and a mounting seat (40), that a mounting groove (401) is formed in the side of the mounting seat (40) facing the fan body assembly (50), that the rotating means are supported in the mounting groove (401), that at least part of the structure of the rotating member (20) protrudes from the surface of the side of the mounting seat (40) facing the fan body assembly (50), and that the fan body assembly (50) is in rolling contact with the rotating member (20).

11. The machine arrangement according to claim 10, characterized in that said sector assembly (50) is formed in an arc-shaped configuration, said sector assembly (50) being formed with a second runner (501) which extends through said sector assembly (50); the fan comprises a positioning piece (60), the positioning piece (60) is connected with the installation seat (40), one side of the positioning piece (60) far away from the installation seat (40) extends into the second sliding groove (501), and the second sliding groove (501) and the positioning piece (60) can slide relatively; the positioning piece (60) is provided with a limiting part (601), and the fan body assembly (50) is clamped between the limiting part (601) and the rotating piece (20).