CN216922499U

CN216922499U - Vehicle-mounted oil-free screw compressor structure

Info

Publication number: CN216922499U
Application number: CN202220216511.7U
Authority: CN
Inventors: 周武彬; 王立光; 陈杰; 俞家峥
Original assignee: Ningbo Baosi Energy Equipment Co Ltd
Current assignee: Ningbo Baosi Energy Equipment Co Ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-07-08
Anticipated expiration: 2032-01-26

Abstract

The application discloses on-vehicle oil-free screw compressor structure relates to the on-vehicle compressor field, changes the cylinder body structure, prevents that the transmission shaft after the fracture from striking the cylinder body. This on-vehicle oil-free screw compressor structure includes the cylinder body, and the cylinder body is equipped with the main shaft, and the cylinder body has preceding tip and shaft hole tip, and the play axle head of main shaft stretches out from the shaft hole tip, and the play axle head of main shaft lies in same one side with the preceding tip of cylinder body, and the preceding tip of cylinder body is not protruding in shaft hole tip place plane.

Description

Vehicle-mounted oil-free screw compressor structure

Technical Field

The application relates to the technical field of vehicle-mounted compressors, in particular to a vehicle-mounted oil-free screw compressor structure.

Background

Fig. 1 is a schematic diagram of the connection between an on-board compressor and an on-board drive source, which is connected to a main shaft 5 of the compressor via a transmission shaft 12. The technical staff discovery, the actual operation in-process of compressor is discover, because the operating condition of compressor is abominable, can lead to the transmission shaft fracture to appear, and cracked transmission shaft drop is located the cylinder surface of compressor, and the cylinder is destroyed because of suffering the striking of transmission shaft, has increased the maintenance cost of compressor, may still influence the normal operating of compressor even.

Disclosure of Invention

An object of this application provides an on-vehicle oil-free screw compressor structure changes the cylinder body structure, prevents that the transmission shaft after the fracture from striking the cylinder body.

In order to achieve the above purpose, the technical scheme adopted by the application is as follows: the utility model provides an on-vehicle oil-free screw compressor structure, includes the cylinder body, the cylinder body is equipped with the main shaft, the cylinder body has preceding tip and shaft hole tip, the play axle head of main shaft is followed the shaft hole tip stretches out, the play axle head of main shaft lies in same one side with the preceding tip of cylinder body, the preceding tip of cylinder body not protruding in shaft hole tip place plane.

Compared with the prior art, the application has the advantages that: the output shaft end protrudes out of the side end part of the cylinder body, and after the transmission shaft connected with the main shaft is broken, the broken transmission shaft cannot fall on the cylinder body of the air cylinder.

In some embodiments of this application, the front end of cylinder body with shaft hole tip place plane parallel and level, shaft hole tip even has sealed lid, end cover with the play axle head cup joints of main shaft, end cover protruding in the front end of cylinder body.

In some embodiments of this application, the front end portion of cylinder body even has the seat of admitting air, the seat of admitting air is located the play axle end below of main shaft, be equipped with on the seat of admitting air and be located go out the first strengthening rib of axle end below. The cylinder body is characterized in that the air inlet seat is additionally arranged at the front end part of the cylinder body, the first reinforcing rib is arranged on the air inlet seat to improve the structural strength of the air inlet seat, and the normal work of the cylinder cannot be influenced even if the fractured transmission shaft is located on the air inlet seat.

In some embodiments of the present application, the output end of the main shaft is sleeved with a coupler, and the coupler is located above the air inlet seat.

In some embodiments of the present application, the cylinder block is provided with a second reinforcing rib connected to an end of the shaft hole.

In some embodiments of the present application, the cylinder block has a distal end opposite the front end, the distal end having a gear box attached thereto.

In some embodiments of the present application, the cylinder block is provided with a mounting structure for attaching to a vehicle body.

Drawings

FIG. 1 is a schematic view of a connection structure between a vehicle-mounted driving source and a conventional vehicle-mounted compressor;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic view of a connection structure of a cylinder and a gear box;

fig. 4 is a schematic view of a connection structure between a vehicle-mounted driving source and the present invention.

In the figure: 1. a cylinder body; 2. an air inlet seat; 3. a gear case; 101. a front end portion; 4. the end part of the shaft hole; 5. a main shaft; 501. a shaft outlet end; 6. a sealing cover; 7. a first reinforcing rib; 8. a second reinforcing rib; 9. a coupling; 10. hoisting the column; 11. hoisting the plate; 12. a drive shaft.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments described below or between the technical features may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 2-3, an on-vehicle oil-free screw compressor structure comprises a cylinder body 1, an air inlet seat 2 and a gear box 3, wherein the cylinder body 1 is provided with a front end part 101 and a tail end part, the air inlet seat 2 is connected with the front end part 101 of the cylinder body 1, and the gear box 3 is connected with the tail end part of the cylinder body 1.

The cylinder body 1 is provided with a shaft hole, the shaft hole is provided with a shaft hole end part 4, a main shaft 5 is arranged in the shaft hole, the shaft outlet end 501 of the main shaft 5 extends out of the shaft hole end part 4, the shaft hole end part 4 and the front end part 101 of the cylinder body 1 are positioned on the same side, and the plane of the front end part 101 of the cylinder body 1 and the plane of the shaft hole end part 4 are on the same plane.

The end part 4 of the shaft hole is connected with a sealing cover 6, the sealing end cover is sleeved with the shaft outlet end 501 of the main shaft 5, and the sealing end cover is protruded on the front end part 101 of the cylinder body 1.

The air inlet seat 2 is positioned below the shaft outlet end 501 of the main shaft 5, the air inlet seat 2 is provided with a first reinforcing rib 7 positioned below the shaft outlet end 501, and the cylinder body 1 is provided with a second reinforcing rib 8 connected with the end part 4 of the shaft hole.

The shaft outlet end 501 of the main shaft 5 is sleeved with a coupling 9, and the coupling 9 is positioned above the air inlet seat 2.

The cylinder body 1 is provided with a mounting structure for connecting a vehicle body, and comprises a plurality of hoisting columns 10 and a hoisting plate 11, wherein the hoisting plate 11 is detachably connected to the hoisting columns 10, the top plane of the highest hoisting column 10 in the hoisting columns 10 is lower than the plane where the highest point of the cylinder body 1 is located, and the top plane of the hoisting plate 11 is higher than the plane where the highest point of the cylinder body 1 is located.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. The utility model provides an on-vehicle oil-free screw compressor structure, includes cylinder body (1), cylinder body (1) is equipped with main shaft (5), cylinder body (1) has front end portion (101) and shaft hole tip (4), axle output end (501) of main shaft (5) are followed shaft hole tip (4) stretch out, axle output end (501) of main shaft (5) and front end portion (101) of cylinder body (1) lie in same one side, its characterized in that: the front end part (101) of the cylinder body (1) is not protruded from the plane of the shaft hole end part (4).

2. An oil-free screw compressor structure for vehicles as claimed in claim 1, wherein: preceding tip (101) of cylinder body (1) with shaft hole tip (4) place plane parallel and level, shaft hole tip (4) even have sealed lid (6), sealed lid with axle head (501) of going out of main shaft (5) cup joint, sealed lid protruding in preceding tip (101) of cylinder body (1).

3. An oil-free screw compressor structure for vehicles as claimed in claim 1, wherein: the front end part (101) of the cylinder body (1) is connected with an air inlet seat (2), the air inlet seat (2) is located below an outlet shaft end (501) of the main shaft (5), and a first reinforcing rib (7) located below the outlet shaft end (501) is arranged on the air inlet seat (2).

4. An on-vehicle oil-free screw compressor structure of claim 3, characterized in that: the shaft coupling (9) is sleeved at the shaft outlet end (501) of the main shaft (5), and the shaft coupling (9) is located above the air inlet seat (2).

5. An oil-free screw compressor structure for vehicles as claimed in claim 1, wherein: the cylinder body (1) is provided with a second reinforcing rib (8) connected with the end part (4) of the shaft hole.

6. An oil-free screw compressor structure for vehicles as claimed in claim 1, wherein: the cylinder block (1) has a tip end portion opposite to the tip end portion (101), and the tip end portion is connected with a gear box (3).

7. An oil-free screw compressor structure for vehicles as claimed in claim 1, wherein: the cylinder body (1) is provided with a mounting structure for connecting a vehicle body.