CN218912967U - Swing cylinder piston type pneumatic motor - Google Patents
Swing cylinder piston type pneumatic motor Download PDFInfo
- Publication number
- CN218912967U CN218912967U CN202223104348.4U CN202223104348U CN218912967U CN 218912967 U CN218912967 U CN 218912967U CN 202223104348 U CN202223104348 U CN 202223104348U CN 218912967 U CN218912967 U CN 218912967U
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- air
- cylinder
- swing
- piston
- crankshaft
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The utility model provides a swing cylinder piston type pneumatic motor which comprises a shell, a crankshaft, a swing piston and a cylinder. A crankshaft is arranged in a bearing seat on a machine seat of the machine shell, a plurality of air distribution plates are arranged on a bracket of the machine seat, and an air inlet runner and an air outlet runner are arranged on the air distribution plates. The lower part of the piston of the swinging piston is provided with a connecting rod, and the big end of the connecting rod is arranged on the journal of the crankshaft. The top of the cylinder cover of the cylinder is provided with a rotating shaft, and the side wall surface of the cylinder is provided with air holes. The crankshaft rotates, the swing piston drives the cylinder to swing, an air hole on the cylinder is communicated with the air inlet flow passage, pressure air enters the cylinder, the air hole is communicated with the air outlet flow passage, and the pressure air is discharged. The swing cylinder piston type pneumatic motor provided by the utility model can be used for rapidly exchanging air inlet and exhaust through the working mode of swing air distribution, so that high-rotation-speed work is realized.
Description
Technical Field
The utility model discloses a swing cylinder piston type pneumatic motor, and relates to the technical field of pneumatic devices.
Background
The piston type pneumatic motor in the current market has higher starting torque and can be started in a load manner; however, the output torque is small and the rotation speed is low. The root cause of the defect is that the air distribution channel of the piston type pneumatic motor is too long to cause the air inlet and outlet exchange to be not smooth, and the rotating speed of the piston type pneumatic motor is directly influenced. There is therefore a need for further technical improvements to existing piston air motors.
Disclosure of Invention
The utility model aims to provide a swing cylinder piston type pneumatic motor with high rotation speed and high torque output.
In view of the technical problems, the utility model provides a swing cylinder piston type pneumatic motor, which comprises a shell, a crankshaft, a swing piston and a cylinder. A crankshaft is arranged in a bearing seat on a machine seat of the machine shell, a plurality of air distribution plates are arranged on a bracket of the machine seat, and an air inlet runner and an air outlet runner are arranged on the air distribution plates. The lower part of the piston of the swinging piston is provided with a connecting rod, and the big end of the connecting rod is arranged on the journal of the crankshaft. The top of the cylinder cover of the cylinder is provided with a rotating shaft which is arranged in a rotating shaft hole of the engine base; the side wall surface of the air cylinder is contacted with the air distribution plate on the engine base, and air holes are formed in the side wall surface of the air cylinder. The crankshaft rotates, the swing piston drives the cylinder to swing, an air hole on the cylinder is communicated with the air inlet flow passage, pressure air enters the cylinder, the air hole is communicated with the air outlet flow passage, and the pressure air is discharged.
Preferably, the tail part of the rotating shaft is provided with a locking spring, and the rotating shaft drives the side wall surface of the air cylinder to cling to the air distribution plate.
Preferably, the rotating shaft is arranged on the side wall surface of the cylinder, the air hole is arranged on the arc-shaped wall surface of the top of the cylinder cover, the air inlet flow passage and the air outlet flow passage are arranged on the arc-shaped inner wall of the air distribution plate, and the arc-shaped inner wall of the air distribution plate is in contact with the arc-shaped wall surface of the cylinder cover.
Based on the technical scheme, the utility model has at least one of the following beneficial effects:
1, the swing cylinder piston type pneumatic motor adopts a structure that a piston drives a cylinder to swing, so that unbalanced inertial force generated by swinging of a connecting rod of the traditional piston type motor is eliminated, vibration is reduced, and the structure is more stable;
2, adopting a swinging air distribution structure, shortening the time of air inlet and air exhaust exchange and greatly improving the rotating speed of the motor;
and 3, the air distribution plate adopts an arc-shaped surface contact sealing structure, so that leakage in the air distribution process is reduced.
Drawings
Fig. 1 is a schematic operation of a tilt cylinder piston type pneumatic motor of the present utility model.
Fig. 2 is a cross-sectional view of a tilt cylinder piston type pneumatic motor of the present utility model.
Fig. 3 is a schematic diagram of another structure of a gas distribution plate of the tilt cylinder piston type pneumatic motor of the present utility model.
Description of the embodiments
The present utility model will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent.
As shown in fig. 1 and 2, the swing cylinder piston type pneumatic motor includes a housing 101, a crankshaft 103, a swing piston 201, and a cylinder 301. A crankshaft 103 is arranged in a bearing seat on a machine seat 102 of the machine housing 101, a plurality of air distribution plates 105 are arranged on a bracket 104 of the machine seat 102, and an air inlet runner 106 and an air outlet runner 107 are arranged on the air distribution plates 105. A connecting rod 203 is provided at the lower part of the piston 202 of the oscillating piston 201, and a large end 204 of the connecting rod 203 is provided on a journal 205 of the crankshaft 103. A rotating shaft 302 is arranged at the top of a cylinder cover 305 of the cylinder 301, and the rotating shaft 302 is arranged in a rotating shaft hole 303 of the base 102; the side wall surface of the cylinder 301 is in contact with the gas distribution plate 105 on the base 102, and the side wall surface of the cylinder 301 is provided with a gas hole 306. The crankshaft 103 rotates, the swing piston 201 drives the cylinder 301 to swing, the air hole 306 is communicated with the air inlet flow passage 106, the pressure air enters the cylinder 301, the air hole 306 is communicated with the air outlet flow passage 107, and the pressure air is discharged. The tail of the rotating shaft 302 is provided with a locking spring 310, and the rotating shaft 302 drives the side wall surface of the air cylinder 301 to cling to the air distribution plate 105. As shown in fig. 3, the rotary shaft 302 is disposed on a side wall surface of the cylinder 301, the air hole 306 is disposed on an arc-shaped wall surface 308 at the top of the cylinder cover 305, the air inlet flow passage 106 and the air outlet flow passage 107 are disposed on an arc-shaped inner wall 309 of the air distribution plate 105, and the arc-shaped inner wall 309 of the air distribution plate 105 is in contact with the arc-shaped wall surface 308 of the cylinder cover 305.
Thus, the embodiment of the utility model finishes the introduction.
While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.
Claims (3)
1. A tilt cylinder piston type pneumatic motor, comprising:
a housing (101) with a crankshaft (103) arranged in a bearing seat on a base (102); a plurality of air distribution plates (105) are arranged on a bracket (104) of the base (102), and an air inlet runner (106) and an air outlet runner (107) are arranged on the air distribution plates (105);
a swinging piston (201), wherein a connecting rod (203) is arranged at the lower part of a piston (202), and a big end (204) of the connecting rod (203) is arranged on a journal (205) of a crankshaft (103);
the cylinder (301) is provided with a rotating shaft (302) at the top of a cylinder cover (305), and the rotating shaft (302) is arranged in a rotating shaft hole (303) of the base (102); the side wall surface of the air cylinder (301) is in contact with the air distribution plate (105) on the base (102), and an air hole (306) is formed in the side wall surface of the air cylinder (301); the crankshaft (103) rotates, the swing piston (201) drives the cylinder (301) to swing, the air hole (306) is communicated with the air inlet flow passage (106), pressure air enters the cylinder (301), the air hole (306) is communicated with the air outlet flow passage (107), and the pressure air is discharged.
2. The tilt cylinder piston type air motor according to claim 1, wherein: the tail of the rotating shaft (302) is provided with a locking spring (310), and the rotating shaft (302) drives the side wall surface of the air cylinder (301) to cling to the air distribution plate (105).
3. The tilt cylinder piston type air motor according to claim 1, wherein: the rotary shaft (302) is arranged on the side wall surface of the cylinder (301), the air hole (306) is arranged on the arc-shaped wall surface (308) at the top of the cylinder cover (305), the air inlet runner (106) and the air outlet runner (107) are arranged on the arc-shaped inner wall (309) of the air distribution plate (105), and the arc-shaped inner wall (309) of the air distribution plate (105) is in contact with the arc-shaped wall surface (308) of the cylinder cover (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223104348.4U CN218912967U (en) | 2022-11-23 | 2022-11-23 | Swing cylinder piston type pneumatic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223104348.4U CN218912967U (en) | 2022-11-23 | 2022-11-23 | Swing cylinder piston type pneumatic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218912967U true CN218912967U (en) | 2023-04-25 |
Family
ID=86043035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223104348.4U Active CN218912967U (en) | 2022-11-23 | 2022-11-23 | Swing cylinder piston type pneumatic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218912967U (en) |
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2022
- 2022-11-23 CN CN202223104348.4U patent/CN218912967U/en active Active
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