CN218844379U

CN218844379U - Pneumatic motor with flexible baffle

Info

Publication number: CN218844379U
Application number: CN202223178178.4U
Authority: CN
Inventors: 李克强; 何玉苟; 钟瑞; 施耀诺; 孙源; 李念民
Original assignee: Tengzhou Sanrun Heavy Industry Machinery Co ltd
Current assignee: Tengzhou Sanrun Heavy Industry Machinery Co ltd
Priority date: 2022-11-27
Filing date: 2022-11-27
Publication date: 2023-04-11
Anticipated expiration: 2032-11-27

Abstract

The utility model relates to the technical field of pneumatic motors, in particular to a pneumatic motor with a flexible baffle plate, which improves the convenience of automatic discharge of foreign matters, reduces the complexity of overhaul and maintenance of the pneumatic motor and improves the use reliability; the air inlet and the air outlet are respectively arranged on the outer side wall of the shell, the left end cover and the right end cover are respectively arranged on the left part and the right part of the shell, and a working cavity is arranged in the shell; the novel rotor comprises a rotor body and is characterized by further comprising a sealing assembly, a communicating mechanism, a left partition plate, a right partition plate, a rotating shaft and a rotor, wherein grooves are formed in the inner side walls of the left end cover and the right end cover respectively, the left partition plate and the right partition plate are arranged in the two grooves respectively, the left partition plate and the right partition plate slide in the two grooves respectively in the transverse direction, the sealing assembly is arranged in the two grooves respectively, the left partition plate and the right partition plate and the left end cover and the right end cover form a micro cavity respectively, the working cavity is communicated with the micro cavity through the communicating mechanism, and the communicating mechanism is located in a high-pressure area of the working cavity.

Description

Pneumatic motor with flexible baffle

Technical Field

The utility model relates to a pneumatic motor's technical field especially relates to a pneumatic motor with flexible baffle.

Background

The pneumatic motor works by utilizing compressed air, in order to avoid leakage of the compressed air, gaps among the rotor, the inner cavity of the shell and the front and rear end covers must be very small, usually less than 0.1 mm, the rotating speed of the pneumatic motor is very high, thousands of revolutions per minute, due to abrasion, corrosion or foreign matters exist in the compressed air, when the motor works, the foreign matters enter the gaps, the motor easily generates a jamming fault, the fault mainly is axial jamming between the rotor and the front and rear end covers, and therefore normal work of the pneumatic motor is influenced, as in the prior art CN201420443251.2, the foreign matters easily enter the gaps when the pneumatic motor is used, maintenance complexity is increased, and therefore the pneumatic motor which is convenient to avoid axial jamming of the rotor after the foreign matters clamp the rotor and is beneficial to discharging the foreign matters and then recovering the normal working state is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an improve the automatic discharge convenience of foreign matter, reduce pneumatic motor's maintenance and maintenance complexity, improve the pneumatic motor that has flexible baffle who uses the reliability.

The utility model discloses a pneumatic motor with flexible baffle, including casing, left end lid and right-hand member lid, the casing lateral wall is provided with air inlet and gas vent respectively, and left end lid and right-hand member lid are installed respectively in the casing left and right sides two, are provided with the working chamber in the casing; the sealing device comprises a left end cover, a right end cover, a left baffle plate, a right baffle plate, a rotating shaft and a rotor, wherein the inner side walls of the left end cover and the right end cover are respectively provided with a groove, the left baffle plate and the right baffle plate are respectively arranged in the two grooves, the left baffle plate and the right baffle plate respectively slide in the two grooves transversely, the two grooves are respectively internally provided with a sealing component, the left baffle plate and the right baffle plate respectively form a micro cavity with the left end cover and the right end cover, the working cavity is communicated with the micro cavity through the communicating mechanism, the communicating mechanism is positioned in a high-pressure area of the working cavity, the left end and the right end of the rotating shaft are rotatably arranged on the left end cover and the right end cover, and the rotor is eccentrically arranged on the outer side wall of the rotating shaft; the left separator plate, the micro cavity and the right separator plate between the left end cover, the micro cavity between the right end cover is respectively communicated with the high pressure area of the working cavity through the communicating mechanism, the communicating mechanism is arranged to ensure that high-pressure gas in the working cavity enters the micro cavity, so that the micro cavity is maintained in a high pressure state, because a low pressure area exists in the working cavity, the left separator plate and the right separator plate are respectively tightly attached to the shell by the aid of high-pressure driving force in the micro cavity, gas leakage is avoided, when foreign matters enter the space between the rotor and the left separator plate and the right separator plate, the foreign matters push the left separator plate or the right separator plate to move towards the micro cavity, the distance between the left separator plate and the right separator plate is increased, the rotor is prevented from being jammed, meanwhile, discharge of the foreign matters is facilitated, the foreign matters are discharged outwards through an exhaust port of the shell after the foreign matters move to the low pressure area, then the left separator plate and the right separator plate are tightly attached to the shell again under the effect of pressure, the rotor continues to rotate, convenience of automatic discharge of the foreign matters is improved, the overhaul and maintenance complexity degree of the pneumatic motor is reduced, and the use reliability is improved.

Preferably, the communicating mechanism comprises two groups of Y-shaped holes, two groups of small holes, two groups of large holes and two groups of steel columns, the two groups of Y-shaped holes are respectively arranged on the left partition plate and the right partition plate, one ends of the two groups of Y-shaped holes are respectively provided with the small holes, the other ends of the two groups of Y-shaped holes are respectively provided with the large holes, the two groups of steel columns are respectively arranged inside the two groups of large holes, the two groups of small holes are communicated with the working cavity, and the two groups of large holes are respectively communicated with the micro cavities on the two sides; high-pressure gas in the working cavity enters the micro cavity through the small hole and the large hole, and through the arrangement of the two groups of steel columns, gas in the micro cavity is prevented from flowing reversely, so that the high-pressure state in the micro cavity is maintained conveniently, and the attaching effect of the left partition plate, the right partition plate and the shell is improved.

Preferably, the sealing assembly comprises two groups of first sealing rings and two groups of second sealing rings, the peripheries and the bottoms of the left partition plate and the right partition plate are respectively provided with an O-shaped groove, and the two groups of first sealing rings and the two groups of second sealing rings are respectively arranged in the O-shaped grooves; improve the sealed effect in the miniature chamber, avoid the gas leakage condition.

Preferably, the device also comprises a plurality of groups of bolts, wherein an access cover is arranged on the right end cover and is fixedly connected with the right end cover through the plurality of groups of bolts; the convenience of maintenance in the housing is improved.

Preferably, the diameters of the grooves on the left end cover and the right end cover are larger than the diameter of the inner cavity of the shell; the staggered platform is convenient to generate between the left partition board, the right partition board and the inner side wall of the shell, and the tight sealing effect between the left partition board, the right partition board and the shell is improved.

Preferably, the depth of the grooves on the left end cover and the right end cover is greater than the thickness of the left partition plate and the right partition plate; the left clapboard and the right clapboard can slide in the two grooves slightly and transversely, so that a micro cavity can be generated conveniently.

Compared with the prior art, the beneficial effects of the utility model are that: when the foreign matter gets into between rotor and left baffle and the right baffle, the foreign matter promotes left baffle or right baffle and removes to miniature chamber, thereby the distance between the increase, avoid the dead circumstances of rotor card, do benefit to the discharge of foreign matter simultaneously, remove the outside discharge of gas vent through the casing after the low-pressure zone when the foreign matter, later left baffle and right baffle paste tightly with the casing once more under the effect of pressure, the rotor continues to rotate, improve the automatic discharge convenience of foreign matter, reduce pneumatic motor's maintenance complexity, improve the use reliability.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a side view of the housing and rotor;

FIG. 3 is a partial schematic view of a Y-shaped hole and a steel column;

FIG. 4 is a partial schematic structural view of a right end cap and a right baffle;

in the drawings, the reference numbers: 1. a housing; 2. a left end cap; 3. a right end cap; 4. a left baffle plate; 5. a right baffle plate; 6. a rotating shaft; 7. a rotor; 8. a Y-shaped hole; 9. a small hole; 10. macropores; 11. a steel column; 12. a first seal ring; 13. a second seal ring; 14. and (4) bolts.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Examples

As shown in fig. 1 to 4, the pneumatic motor with a flexible diaphragm of the present invention comprises a housing 1, a left end cap 2 and a right end cap 3, wherein the outer side wall of the housing 1 is provided with an air inlet and an air outlet respectively, the left end cap 2 and the right end cap 3 are installed at the left and right parts of the housing 1 respectively, and a working chamber is arranged in the housing 1; the device comprises a left end cover 2, a right end cover 3, a left clapboard 4, a right clapboard 5, a rotating shaft 6 and a rotor 7, wherein grooves are respectively arranged on the inner side walls of the left end cover 2 and the right end cover 3, the left clapboard 4 and the right clapboard 5 are respectively arranged in the two grooves, the left clapboard 4 and the right clapboard 5 respectively slide in the two grooves transversely, sealing assemblies are respectively arranged in the two grooves, the left clapboard 4 and the right clapboard 5 respectively form a micro cavity with the left end cover 2 and the right end cover 3, the working cavity is communicated with the micro cavity through the communicating mechanism, the communicating mechanism is positioned in a high-pressure area of the working cavity, the left end and the right end of the rotating shaft 6 are rotatably arranged on the left end cover 2 and the right end cover 3, and the rotor 7 is eccentrically arranged on the outer side wall of the rotating shaft 6;

as shown in fig. 1 and 3, the communicating mechanism includes two groups of Y-shaped holes 8, two groups of small holes 9, two groups of large holes 10, and two groups of steel columns 11, the two groups of Y-shaped holes 8 are respectively disposed on the left partition plate 4 and the right partition plate 5, one end of each group of Y-shaped holes 8 is respectively provided with a small hole 9, the other end of each group of Y-shaped holes 8 is respectively provided with a large hole 10, the two groups of steel columns 11 are respectively disposed inside the two groups of large holes 10, the two groups of small holes 9 are both communicated with the working chamber, and the two groups of large holes 10 are respectively communicated with the micro-chambers on both sides;

as shown in fig. 1, the sealing assembly includes two groups of first sealing rings 12 and two groups of second sealing rings 13, O-shaped grooves are respectively formed at the peripheries and the bottoms of the left partition plate 4 and the right partition plate 5, and the two groups of first sealing rings 12 and the two groups of second sealing rings 13 are respectively arranged in the O-shaped grooves;

as shown in fig. 1 and 4, the tool further comprises a plurality of groups of bolts 14, an access cover is arranged on the right end cover 3, and the access cover is fixedly connected with the right end cover 3 through the plurality of groups of bolts 14.

The utility model discloses a pneumatic motor with flexible baffle, it is at the during operation, the intracavity high-pressure gas of working passes through aperture 9 and macropore 10 and gets into miniature intracavity, because there is low-pressure area in the working chamber, left side baffle 4 and right baffle 5 receive the highly compressed driving force in miniature intracavity respectively and paste tightly with casing 1, get into rotor 7 when the foreign matter, when between left side baffle 4 and the right baffle 5, the foreign matter promotes left baffle 4 or right baffle 5 and removes to miniature chamber, thereby increase the distance between the increase, do benefit to the discharge of foreign matter simultaneously, remove to the low-pressure area when the foreign matter then through casing 1's gas vent outside discharge, later left side baffle 4 and right baffle 5 paste tightly with casing 1 once more under the effect of pressure, rotor 7 continues to rotate.

The utility model discloses the main function who realizes does: the left partition plate 4, the micro cavity between the left end cover 2, the right partition plate 5 and the micro cavity between the right end cover 3 are respectively communicated with a high-pressure area of the working cavity through the communicating mechanism, and the communicating mechanism is arranged to ensure that high-pressure gas in the working cavity enters the micro cavity, so that the micro cavity is maintained in a high-pressure state, because a low-pressure area exists in the working cavity, the left partition plate 4 and the right partition plate 5 are respectively tightly attached to the shell 1 under the action of high-pressure driving force in the micro cavity, air leakage is avoided, when foreign matters enter the space between the rotor 7 and the left partition plate 4 and the right partition plate 5, the foreign matters push the left partition plate 4 or the right partition plate 5 to move towards the micro cavity, so that the distance between the left partition plate and the right partition plate 5 is increased, the rotor 7 is prevented from being stuck, and dead, meanwhile, the foreign matters are favorably discharged, when the foreign matters move to the low-pressure area, the foreign matters are outwards discharged through an exhaust port of the shell 1, then the left partition plate 4 and the right partition plate 5 are tightly attached to the shell 1 under the action of pressure, the rotor 7 continues to rotate, the automatic foreign matters discharging convenience is improved, the overhaul and maintenance complexity of the pneumatic motor is reduced, and the use reliability is improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A pneumatic motor with a flexible baffle plate comprises a shell (1), a left end cover (2) and a right end cover (3), wherein the outer side wall of the shell (1) is respectively provided with an air inlet and an air outlet, the left end cover (2) and the right end cover (3) are respectively arranged at the left part and the right part of the shell (1), and a working cavity is arranged in the shell (1); the novel rotary compressor is characterized by further comprising a sealing assembly, a communicating mechanism, a left partition plate (4), a right partition plate (5), a rotary shaft (6) and a rotor (7), grooves are formed in the inner side walls of the left end cover (2) and the right end cover (3) respectively, the left partition plate (4) and the right partition plate (5) are arranged in the two grooves respectively, the left partition plate (4) and the right partition plate (5) slide in the two grooves transversely respectively, the sealing assembly is arranged in the two grooves respectively, a miniature cavity is formed between the left partition plate (4) and the right partition plate (5) and between the left end cover (2) and the right end cover (3) respectively, the working cavity is communicated with the miniature cavity through the communicating mechanism, the communicating mechanism is located in a working cavity high-pressure area, the left end cover (2) and the right end cover (3) are rotatably installed at the left end and right end covers (6), and the rotor (7) is eccentrically arranged on the outer side wall of the rotary shaft (6).

2. The pneumatic motor with the flexible partition plate as claimed in claim 1, wherein the communicating means comprises two sets of Y-shaped holes (8), two sets of small holes (9), two sets of large holes (10) and two sets of steel columns (11), the two sets of Y-shaped holes (8) are respectively disposed on the left partition plate (4) and the right partition plate (5), one ends of the two sets of Y-shaped holes (8) are respectively disposed with the small holes (9), the other ends of the two sets of Y-shaped holes (8) are respectively disposed with the large holes (10), the two sets of steel columns (11) are respectively disposed inside the two sets of large holes (10), the two sets of small holes (9) are both communicated with the working chamber, and the two sets of large holes (10) are respectively communicated with the micro-chambers on both sides.

3. The pneumatic motor with the flexible partition according to claim 1, wherein the sealing assembly comprises two sets of first sealing rings (12) and two sets of second sealing rings (13), the left partition (4) and the right partition (5) are respectively provided with an O-shaped groove at the periphery and the bottom, and the two sets of first sealing rings (12) and the two sets of second sealing rings (13) are respectively arranged in the O-shaped grooves.

4. An air motor with flexible diaphragm according to claim 1, further comprising a plurality of sets of bolts (14), wherein the right end cover (3) is provided with an access cover, and the access cover is fixedly connected with the right end cover (3) through the plurality of sets of bolts (14).

5. A pneumatic motor with flexible diaphragm according to claim 1, characterized in that the diameter of the grooves in the left end cap (2) and the right end cap (3) is larger than the diameter of the inner cavity of the housing (1).

6. An air motor with flexible diaphragm according to claim 1, characterized in that the depth of the grooves on the left end cap (2) and the right end cap (3) is greater than the thickness of the left diaphragm (4) and the right diaphragm (5).