CN212033889U

CN212033889U - Generator

Info

Publication number: CN212033889U
Application number: CN202020945354.4U
Authority: CN
Inventors: 方智巍; 廖珠君; 何俊波; 周鸿�
Original assignee: Chengdu Huachuan Electric Parts Co Ltd
Current assignee: Chengdu Huachuan Electric Parts Co Ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-11-27
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to a power generation technical field especially relates to a generator, and it includes front end housing, rear end cap, and the right side of front end housing is provided with first protruding location structure or first positioning groove, and the left side of rear end cap is provided with protruding location structure of second or second positioning groove. When front end housing and rear end cap installation assembly, install first protruding location structure in second positioning groove earlier, perhaps, in the first positioning groove of protruding location structure installation of second, carry out preliminary location to front end housing and rear end cap installation assembly, confirm the relative position of front end housing and rear end cap assembly, then carry out connecting screw to match and pass front end housing and rear end cap and link together front end housing and rear end cap, accomplish the installation assembly of generator, in addition, first protruding location structure, front end housing and rear end cap installation direction have been injectd to the second positioning groove, the mistake proofing structure of generator installation assembly has also been constituted, the installation assembly of the generator of being convenient for more, do benefit to the popularization.

Description

Generator

Technical Field

The utility model relates to a power generation technical field especially relates to a generator.

Background

At present, the generator includes front end housing and rear end housing, be provided with connect the through-hole in the circumference of front end housing and the rear end housing of generator, be provided with bushing nut in the connect the through-hole of rear end housing, the connect bolt matches the connect the through-hole that passes front end housing and the bushing nut of rear end housing and links together front end housing and rear end housing, because do not set up positioner on front end housing and the rear end housing, the connect the through-hole of front end housing and the bushing nut of rear end housing are not convenient for aim at, lead to the inconvenient assembly of front end housing and rear end housing together.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a generator convenient to installation assembly.

The utility model provides a technical scheme that its technical problem adopted is: the generator comprises a front end cover and a rear end cover, wherein a first protruding positioning structure or a first positioning groove is arranged on the right side of the front end cover, a second protruding positioning structure or a second positioning groove is arranged on the left side of the rear end cover, the first protruding positioning structure is matched and arranged in the second positioning groove, or the second protruding positioning structure is matched and arranged in the first positioning groove.

Furthermore, the first protrusion positioning structure is matched with the second positioning groove in structure, and the first protrusion positioning structure is in a convex shape.

The connecting structure further comprises a connecting bolt, a square nut, a limiting gasket and a positioning bushing, wherein a first mounting support lug is arranged on the front end cover in the circumferential direction, a second mounting support lug is arranged on the rear end cover in the circumferential direction, a first connecting through hole is formed in the first mounting support lug, a second connecting through hole is formed in the second mounting support lug, the second connecting through hole comprises a large hole section and a small hole section which are sequentially connected, the small hole section is positioned on the right side of the large hole section, and the cross section of the small hole section is square;

the outer diameter of the limiting gasket is larger than that of the square nut, the limiting gasket is connected and arranged on the left side of the square nut, the cross section shape of the square nut is the same as that of the small hole section, the square nut is arranged in the small hole section in a matched mode, and the square nut and the small hole section are in clearance fit in a connection fit mode;

the positioning bushing is made of elastic materials, an elastic opening structure arranged along the axial direction is arranged on the positioning bushing, the positioning bushing and the limiting gasket are arranged in the large hole section in a matching mode, the positioning bushing is located on the left side of the limiting gasket, the limiting gasket is in clearance fit with the large hole section, and the positioning bushing is in interference fit with the large hole section;

the connecting bolt penetrates through the first connecting through hole, the positioning bushing, the limiting gasket and the square nut in a matched mode to connect the front end cover and the rear end cover together.

Further, the cross-sectional shape of the small pore section is hexagonal.

Furthermore, the square nut and the limiting gasket are of an integrated structure.

Further, the large hole section is cylindrical in shape, and the positioning bushing is cylindrical in shape.

Further, the minimum inner diameter of the positioning bush is larger than the outer diameter of the connecting bolt.

The utility model has the advantages that: the right side of the front end cover is provided with a first protruding positioning structure or a first positioning groove, the left side of the rear end cover is provided with a second protruding positioning structure or a second positioning groove, the first protruding positioning structure is matched and arranged in the second positioning groove, or the second protruding positioning structure is matched and arranged in the first positioning groove, and the first protruding positioning structure, the second protruding positioning groove or the second protruding positioning structure and the first positioning groove form a positioning structure of the front end cover and the rear end cover. When the front end cover and the rear end cover are installed and assembled, the first protruding positioning structure is installed in the second positioning groove, or the second protruding positioning structure is installed in the first positioning groove, the front end cover and the rear end cover are initially positioned, the relative position of the front end cover and the rear end cover is determined, then the connecting bolt is matched to pass through the front end cover and the rear end cover to connect the front end cover and the rear end cover together, the installation and assembly of the generator are completed, in addition, the first protruding positioning structure, the second protruding positioning structure or the second protruding positioning structure, the installation direction of the front end cover and the rear end cover is limited by the first positioning groove, the error-proof structure of the installation and assembly of the generator is also formed, the installation and assembly of the generator are more convenient, and the popularization is facilitated.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic view of a portion of a second mounting lug;

FIG. 4 is a schematic view of a square nut installed in a second mounting lug;

FIG. 5 is a schematic view of the alignment bushing installed in the second mounting lug;

the label is: the structure comprises a front end cover 1, a first mounting support lug 11, a first protrusion positioning structure 12, a rear end cover 2, a second mounting support lug 21, a large hole section 211, a small hole section 212, a second positioning groove 22, a first connecting through hole 3, a square nut 4, a limiting gasket 5, a positioning bushing 6 and an elastic opening structure 61.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

The orientations referred to below are based on the orientation of the components in fig. 1.

As shown in fig. 1, the utility model discloses generator, including front end housing 1, rear end housing 2, front end housing 1's right side is provided with first protruding location structure 12 or first positioning groove, and rear end housing 2's left side is provided with protruding location structure of second or second positioning groove 22, and first protruding location structure 12 matches and sets up in second positioning groove 22, perhaps, and the protruding location structure of second matches and sets up in first positioning groove.

The first protrusion positioning structure 12 and the second positioning groove 22 or the second protrusion positioning structure and the first positioning groove constitute the positioning structures of the front end cover 1 and the rear end cover 2. When the front end cover 1 and the rear end cover 2 are installed and assembled, the first protruding positioning structure 12 is installed in the second positioning groove 22, or the second protruding positioning structure is installed in the first positioning groove, the front end cover 1 and the rear end cover 2 are initially positioned, the relative position of the front end cover 1 and the rear end cover 2 is determined, then the connecting bolt is matched to penetrate through the front end cover 1 and the rear end cover 2 to connect the front end cover 1 and the rear end cover 2 together, the installation and assembly of the generator are completed, in addition, the first protruding positioning structure 12, the second protruding positioning structure 22 or the second protruding positioning structure, the installation direction of the front end cover 1 and the rear end cover 2 is limited by the first positioning groove, a mistake-proofing structure of the installation and assembly of the generator is formed, the installation and assembly of the generator are more convenient, and the popularization is facilitated.

Specifically, for convenient processing, the utility model discloses the intermediate position on preferred front end housing 1's right side is provided with first protruding location structure 12, and the left side intermediate position of rear end housing 2 is provided with second positioning groove 22, first protruding location structure 12 and second positioning groove 22's structure looks adaptation. In order to increase the contact area between the first protrusion positioning structure 12 and the second positioning groove 22 and improve the positioning function, the shape of the first protrusion positioning structure 12 is preferably in a convex shape. Furthermore, in order to facilitate the installation of the first protrusion positioning structure 12 in the second positioning groove 22, the connection and matching manner of the first protrusion positioning structure 12 and the second positioning groove 22 is a clearance fit, and the clearance fit can also adjust the position of the first protrusion positioning structure 12 in the second positioning groove 22 according to the actual situation.

The utility model discloses a generator is installed on the engine, and the front end housing 1, the rear end cap 2 and the engine cylinder body that need the generator moreover offset together, form spacing fixed each other. As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, the utility model discloses a generator still is provided with connecting bolt, square nut 4, spacing gasket 5, positioning sleeve 6, front end housing 1 upwards is provided with first installation journal stirrup 11 in week, rear end housing 2 upwards is provided with second installation journal stirrup 21 in week, be provided with first connection through-hole 3 in the first installation journal stirrup 11, be provided with second connect through-hole in the second installation journal stirrup 21, second connect through-hole is including the big pore section 211 and the aperture section 212 that connect gradually, and the aperture section is located the right side of big pore section 211, the cross sectional shape of aperture section is square, the internal diameter of big pore section 211 is greater than the internal diameter of aperture section 212.

The outer diameter of the limiting gasket 5 is larger than that of the square nut 4, the limiting gasket 5 is connected and arranged on the left side of the square nut 4, the cross section of the square nut 4 is the same as that of the small hole section 212, the square nut 4 is arranged in the small hole section 212 in a matched mode, and the square nut 4 is in clearance fit with the small hole section 212 in a connected and matched mode; the positioning bush 6 and the limiting gasket 5 are arranged in the large hole section 211 in a matching manner, the positioning bush 6 is positioned on the left side of the limiting gasket 5, and the connecting and matching modes of the limiting gasket 5 and the large hole section 211 are both clearance fit; the positioning bush 6 is made of elastic materials, an elastic opening structure 61 arranged along the axial direction is arranged on the positioning bush 6, the positioning bush 6 is in interference fit with the large hole section 211, and the inner diameter of the positioning bush 6 can be properly changed, so that the positioning bush 6 and the limiting gasket 5 can only be adjusted in position in the large hole section 211.

The connecting bolt penetrates through the first connecting through hole 3, the positioning bush 6, the limiting gasket 5 and the square nut 4 in a matched mode to connect the front end cover 1 and the rear end cover 2 together.

The square nut 4 is arranged in the small hole section 212 in a matching mode, so that the square nut 4 cannot rotate in the circumferential direction in the small hole section 212, the connecting bolt cannot rotate, and the mounting and connecting effect is improved. The positioning bush 6 is made of elastic material, the positioning bush 6 is provided with an elastic opening structure 61 arranged along the axial direction, the positioning bush 6 and the large hole section 211 are in interference fit, the inner diameter of the positioning bush 6 can be properly changed, the square nut 4 and the small hole section 212 are in clearance fit, the limiting gasket 5 and the large hole section 211 are in clearance fit, the tightness of connection is ensured by interference fit and clearance fit, when the generator is installed, the square nut 4, the positioning bush 6 and the limiting gasket 5 can be adjusted in certain positions according to actual installation conditions, the positions can be adjusted in the up-down, left-right directions, so that the connecting bolts can conveniently and sequentially pass through the first connecting through hole 3, the positioning bush 6, the limiting gasket 5 and the square nut 4, particularly, a plurality of groups of connecting bolts are arranged, and the first installation support lug 11, When the support lugs 21 and other connecting structures are installed, the front end cover 1, the rear end cover 2 and the engine cylinder body are more convenient to abut against each other, and the engine is installed.

The cross-sectional shape of aperture section 212 is quadrangle, hexagon, octagon etc, the utility model discloses preferred is the hexagon, both conveniently processes, guarantees the result of use again. For the convenience of square nut 4, 5 processing of spacing gasket and the adjustment of the position of being convenient for when the installation more, square nut 4, 5 preferred integrative structures of spacing gasket, square nut 4, 5 constitution flange nut structures of spacing gasket, only need choose for use suitable flange nut just can.

To facilitate the installation joining operation, the large bore section 211 is preferably cylindrical in shape and the locating bush 6 is preferably cylindrical in shape. Furthermore, the positioning bush 6 is made of an elastic material, the positioning bush 6 is provided with an elastic opening structure 61 arranged along the axial direction, and the inner diameter of the positioning bush 6 can be changed according to the inner diameter of the large hole section 211, so that the positioning bush 6 is suitable for the large hole sections 211 with different inner diameters, and the universality of the positioning bush 6 is improved. In order to facilitate the arrangement of the connecting bolt penetrating through the first connecting through hole 3, the limiting gasket 5 and the square nut 4, the minimum inner diameter of the positioning bush 6 is larger than the outer diameter of the connecting bolt, and when the connecting bolt is fixedly connected, the positioning bush 6 cannot interfere with the connecting bolt, so that the connecting bolt can be mounted and used conveniently.

Claims

1. The generator, including front end housing (1), rear end cap (2), its characterized in that: the right side of front end housing (1) is provided with first protruding location structure (12) or first positioning groove, and the left side of rear end housing (2) is provided with protruding location structure of second or second positioning groove (22), and first protruding location structure (12) match and set up in second positioning groove (22), perhaps, the protruding location structure of second matches and sets up in first positioning groove.

2. The generator of claim 1, wherein: the first protrusion positioning structure (12) is matched with the second positioning groove (22) in structure, and the first protrusion positioning structure (12) is in a convex shape.

3. The generator of claim 1, wherein: the connecting structure comprises a front end cover (1) and a rear end cover (2), and is characterized by further comprising connecting bolts, square nuts (4), limiting gaskets (5) and positioning bushes (6), wherein first mounting support lugs (11) are arranged on the circumferential direction of the front end cover (1), second mounting support lugs (21) are arranged on the circumferential direction of the rear end cover (2), first connecting through holes (3) are formed in the first mounting support lugs (11), second connecting through holes are formed in the second mounting support lugs (21), each second connecting through hole comprises a large hole section (211) and a small hole section (212) which are sequentially connected, the small hole sections are located on the right sides of the large hole sections (211), and the cross section of each small hole section is square;

the outer diameter of the limiting gasket (5) is larger than that of the square nut (4), the limiting gasket (5) is connected and arranged on the left side of the square nut (4), the cross section of the square nut (4) is the same as that of the small hole section (212), the square nut (4) is arranged in the small hole section (212) in a matched mode, and the square nut (4) is in clearance fit with the small hole section (212) in a connected and matched mode;

the positioning bushing (6) is made of elastic materials, an elastic opening structure (61) arranged along the axial direction is arranged on the positioning bushing (6), the positioning bushing (6) and the limiting gasket (5) are arranged in the large hole section (211) in a matched mode, the positioning bushing (6) is located on the left side of the limiting gasket (5), the limiting gasket (5) and the large hole section (211) are in clearance fit in a connecting and matching mode, and the positioning bushing (6) and the large hole section (211) are in interference fit in a connecting and matching mode;

the connecting bolt penetrates through the first connecting through hole (3), the positioning bushing (6), the limiting gasket (5) and the square nut (4) in a matched mode to connect the front end cover (1) and the rear end cover (2) together.

4. The electrical machine of claim 3, wherein: the cross-sectional shape of the small hole section (212) is hexagonal.

5. The electrical machine of claim 3, wherein: the square nut (4) and the limiting gasket (5) are of an integral structure.

6. The generator of any one of claims 3 to 5, wherein: the large hole section (211) is cylindrical in shape, and the positioning bushing (6) is cylindrical in shape.

7. The electrical machine of claim 3, wherein: the minimum inner diameter of the positioning bush (6) is larger than the outer diameter of the connecting bolt.