AU2015100456A4

AU2015100456A4 - Design method for transmission unit for fluid transfer device

Info

Publication number: AU2015100456A4
Application number: AU2015100456A
Authority: AU
Inventors: Zhu GONG
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-11-15
Filing date: 2015-04-09
Publication date: 2015-05-14
Anticipated expiration: 2023-04-09
Also published as: CN104373544A; AU2015100455A4; CN104373544B; IE20150353A1; IES20150318A2; IES86748B2

Abstract

Design method for transmission unit for fluid transfer device Abstract The invention relates to a design method for the transmission unit for the fluid transfer device. The method includes providing a support board, a gear, a belt; providing the first support board of the unit at the middle portion thereof with a first belt wheel, providing the 5 second support board at the middle portion thereof with a second belt wheel, providing the middle portion of the head end of the second support board with a third belt wheel, which interacts with the second belt wheel through the belt, arranging for the first and second belt wheels to interact with each other through the 10 engagement between the first and second gears, arranging for the head end of the fist support pillar to partly insert into the first support board, arranging for the tail end of the first support pillar to partly insert into the cylinder. The transmission unit based on the above design method achieves that the outside power is equally 15 distributed to the four piston units, the transmission unit can be easily mounted, it works steadily, and it has a reasonable stress.

Description

Design method for transmission unit for fluid transfer device Field of the Invention The invention relates to a design method for the fluid transfer device, especially to a design method for the transmission unit for 5 the fluid transfer device. Description of prior art The working prcess of the internal combustion engine is roughly such, the piston moves downward, the mixed combustible gas goes 10 into the cylinder; the piston moves upward to compress combustible gas, the spark plug ignites combustible gas to explode the gas, the exploded gas with high temperature and high pressure drives the piton moving downward, the linear movement of the piston is converted to the rotational movement of the crankshaft by 15 the connecting rod; the crankshaft goes on rotating because of the inertia, the rotational movement of the crankshaft is converted to the linear movement of the piston by the connecting rod, the piston moves upward to push exhaust gas out of the cylinder. In brief, inhale- compression -work- exhaust. 20 So, there is provided a device using reciprocal movement of the piston to transfer fluid. The working process of the device is that, the piston moves upward to creat a negative pressure area in the receiving chamber, fluid is compressed into the receiving chamber 25 through the input passage by the effect of the atmosphere. The downward movement of the piston within the receiving chamber compresses fluid therein out of the receiving chamber through the output passage. 1/7 It is a problem to transfer the outside power to the piston so as to drive the piston reciprocal moving in the receiving chamber. Summary of the present invention 5 The object of the invention is to provide a design method for the transmission unit for the fluid transfer device so as to solve the above problem. A design method for the transmission unit for the fluid transfer 10 device comprises providing a first support board, a second support board, a third support board, a first gear, a second gear, a first belt wheel, a second belt wheel, a third belt wheel, a first support pillar, a second support pillar, a vane, a belt and a bushing. 15 Providing The first support board at the middle portion thereof with a first belt wheel; providing the end of the second support board at the middle portion thereof with a second belt wheel; providing the head of the second support board at the middle 20 portion thereof with a third belt wheel; arranging for the second and third belt wheels to interact with each other through belt; arranging for the first and second belt wheel to interact with each other through the engagement between the first and second 25 gears; connecting the first belt wheel with the outside power source through the belt; arranging for the third belt wheel to rotate in unison with the crankshaft through the key connection; 30 taking heat created from the device away through the vane. Specifically, arranging for the first gear to rotate in unison with the first belt wheel through the key connection; 2/7 arranging for the second gear to rotate in unison with the second belt wheel through the key connection. Specifically, arranging for the head of the first support pillar to 5 removably partly insert into the first support board; arranging for the end of the fist support pillar to removably partly insert into the cylinder; removably mounting the end of the second support board to the first support board; 10 arranging for a bolt to sequentially pass through the second support board, the first support board and the first suport pillar, and fastening the three to the cylinder. Advantageous Effects 15 The transmission unit based on the above design method achieves that the outside power is equally distributed to the four piston units, the transmission unit can be easily mounted, it works steadily, and it has a reasonable stress. 20 Brief description of the drawing In the following, the invention will be described in greater detail by means of some embodiments with reference to the accompanying drawings, in which Fig.1 is an exploded 3d-drawing of main parts of the fluid transfer 25 device; Fig.2 is a 3d-drawing of the tansmission unit in Fig.1; Fig.3 is a front view of the tansmission unit in Fig.2; Fig.4 is a left view of the tansmission unit in Fig.3; Fig.5 is a sectional view of Fig.3 along A-A direction; 30 Fig.6 is a sectional view of Fig.3 along B-B direction; Fig.7 is a sectional 3d-drawing of the tansmission unit; Fig.8 is detailed views of the part C in the Fig.7; Fig.9 is a 3d-drawing of the third support board; 3/7 Fig.10 is a 3d-drawing of the first support board; Fig.11 is an exploded 3d-drawing of transmission unit; 1. the cylinder; 2. the switching unit; 3. the triggering unit; 4. the piston unit; 401. the piston; 402. the connecting rod; 5 403. the crankshaft; 404. the cylinder casing; 5. the transmission unit; 501. the first support board; 502. the second support board; 503. the third support board; 504. the first gear; 505. the second gear; 506. the first belt wheel; 507. the second belt wheel; 10 508. the third belt wheel; 509. the first support pillar; 510. the second support pillar; 511. the vane; 512. the first rotating shaft; 513. the second rotating shaft; 514. the counter bore; 515. the bushing; 6. the inlet opening; 7. the outlet opening. 15 Detailed description of the preferred embodiment Referring to Fig.1, it is a fluid transfer device of the invention, the device includes a cylinder 1, a switching unit 2, a triggering unit 3, a piston unit 4, a transmission unit 5. The electric motor mounted to 20 the base transfers the power to the transmission unit 5 through the belt, the transmission unit 5 transfers the power to the piston unit 4 through the belt, the piston unit 4 transfers the power to the switching unit 2, the engagement between the switching unit 2 and the piston unit 4 achieves that fluid is inhaled into the device 25 through the inlet opening 6 of the fluid transfer device, and then is released through the outlet opening 7 of the fluid transfer device. Inorder to increase the transferring efficiency of the device, the device includes four piston units 4, four piston units 4 are uniformly 30 arranged in a ring array, the axis of the array is the axis of the cartridge. Three of the four input passages of the cylinder are sealed by plugs, and three of the four output passages of the cylinder are sealed by plugs, the transfer device only keeps one input passage 4/7 and one output passage, a pipe connects with the head of the input passage to form an input opening 6 of the transfer device, a pipe connects with the head of the output passage to form an output opening 7 of the transfer device. 5 The heat created by the device during working is taken away by the vane 511 arranged in the front of the device. Referring to Fig.2, Fig.3 and Fig.11, the transmission unit provides 10 one first support board 501, four second support boards 502, one third support board 503, one first gear 504, four second gears 505, one first belt wheel 506, four second belt wheels 507, four third belt wheels 508, eight first support pillars 509, four second support pillars 510, one vane 511, five belts and a plurality of bushings for 15 adjusting the height. Four second support boards 502 are uniformly arranged in a ring array, the axis of the array is the axis of the first support board 501, two mounting holes at the tail end of the first support board 501 removably connects with the first support board 501, the second 20 support board 502 at the middle portion thereof has a second belt wheel 507, the middle portion of the head end of the second support board 502 has a third belt wheel 508, the second belt wheel 507 interacts with the third belt wheel 508 by equal transmission ratio through the blet. The second gear 505 coaxial with the second 25 belt wheel 507 rotates in unison with the second belt wheel 507 through the key connection. The fist support board 501 at the middle portion thereof has a first belt wheel 506 coaxial with the first gear 504, which rotates in 30 unison with the first blet wheel 506 through the key connection. The linkage between the first and second belt wheels 506, 507 is achieved by the engagement between the first and second gears 504, 505, the transmission ratio thereof is 2; the first belt wheel 506 5/7 connects with outside power source through the belt, the transmission ratio thereof is2. The third belt wheel 508 and the crankshaft interact with each other by equal transmission ratio through the key connection, due to such arrangement, finally the 5 transmission ratio between the crankshaft and the electric motor is 4, due to peed reduction, the crankshaft can output large torque to the connecting rod, therefore, the piston 401 has large force to pull and compress fluid, so as to do more work to fluid. The heat created by the gears and belts during working is taken away by the rotating 10 vane 511 configured to rotate in unison with first belt wheel 506 through the key connection. Referring to Fig.6, the second rotating shaft 513 connected with the second belt wheel 507 and the second gear 505 passes through the 15 second support board 502, each end of two ends of the second rotating shaft 513 respectively partly inserts into the first support board 501 and the third support board 503, such arrangement can limit the aixal movement of the second rotating shaft 513 so as to save extra limiting parts like antiextrusion rings or screws or nuts. 20 Each end of two ends of the first rotating shaft 512 connected with the first belt wheel 506 and the first gear 504 respectively connects with the first support board 501 and the third support board 503 through bearings, the bearing has interference fitting with the first 25 support board 501 or the third support board 503, the bearing has interference fitting with the first rotating shaft 512. The vane 511 is mounted to the first rotating shaft 512 near the side of the third support board 503, the vane 511 is fastened to the first rotating shaft 512 by the screw. 30 Referring to Fig.7, the first support board 501 removably connects with the third support board 503 through the second support pillar 510, each end of two ends of the second support pillar 510 respectively inserts into the first support board 501 and the third 6/7 support board 503, such arrangement has such advantages: 1. limiting the axial and radial movements of the second support pillar 510 for avoiding the device shaking created by the displacement of parts during the transmission unit 5 working. 5 2. Increasing the assemble convenience, the second support pillar 510 can be quickly conveniently situated by the the prefabricate counterbore 514 on the first support board 501, then the prefabricate counterbore 514 ( see Fig.9 )on the third support board 503 can be quickly conveniently slipped into the second support 10 pillar 510. 3. The support effect of the second support board 510 can be maximized, the cylinder 1 formed by that the first support pillar 510 inserts into the first support board 501 or the third support board 503 supports each other for preventing the fastening screws from 15 the effect of radial shear force so as to make the screw only take the effect of axial force . Referring to Fig.4 and Fig.5, the second support pillar 510 separates the first support borad 501 from the third support board 503 to 20 form a space for arranging the gear and the belt wheel. The first gear 504 and the second gear 505 are aligned with eacher by face, the first belt wheel 506, the second belt wheel 507 and the third belt wheel 508 are aligned with one another by face, such aligning arrangement can be achieved by bushings adjusting heights of the 25 gear or the belt wheel. Referring to Fig.7 and Fig.8, the first support board 501 removably connects with the cylinder 1 through the first support pillar 509, each end of two ends of the first support pillar 509 respectively 30 partly inserts into the first support board 501 and the cylinder 1, such arrangement has above advantages. 7/7

Claims

1. A design method for the transmission unit for the fluid transfer device, comprising providing a support board, a gear and a belt; characterized by 5 providing the first support board (501) of the transmission unit (5) at the middle portion thereof with a first belt wheel (506); providing the end of the second support board (502) at the middle portion thereof with a second belt wheel (507); providing the head of the second support board (502) at the 10 middle portion thereof with a third belt wheel (508); arranging for the second and third belt wheels (507, 508) to interact with each other through belt; arranging for the first and second belt wheel (506, 507) to interact with each other through the engagement between the first 15 and second gears (504, 505); connecting the first belt wheel (506) with the outside power source through the belt; arranging for the third belt wheel (508) to rotate in unison with the crankshaft (403) through the key connection; 20 arranging the first belt wheel (506) coaxial with the first gear (504) which rotates in unison with the first belt wheel (506) through the key connection; arranging the second belt wheel (507) coaxial with the second gear (505) which rotates in unison with the second belt 25 wheel (507) through the key connection; arranging for the head of the first support pillar (509) to removably partly insert into the first support board (501); arranging for the end of the fist support pillar (509) to removably partly insert into the cylinder (1); 30 removably mounting the end of the second support board (502) to the first support board (501); arranging for a bolt to sequentially pass through the second 1/3 support board (502), the first support board (501) and the first suport pillar (509) and fastening the three to the cylinder (1); respectively removably connecting two sides of the second 5 support pillar (510) with the first support board (501) and the second support board (502); arranging for two ends of the the second support pillar (510) to partly insert into the corresponding support board; fastening the fist support board (501), the second support 10 board (502) and the second support pillar (510) together through bolts.

2. A design method for the transmission unit for the fluid transfer device according to claim 1, characterized by 15 providing the transmission unit with one first support board (501), four second support boards (502), one third support board (503), one first gear (504), four second gears (505), one first belt wheel (506), four second belt wheels (507), four third belt wheels (508), eight first support pillars (509), four second support pillars 20 (510), one vane (511), five belts and a plurality of bushings; uniformly arranging four second support pillars (502) in a ring array, the axis of the array being the axis of the first support board (501). 25

3. A design method for the transmission unit for the fluid transfer device according to claim 2, characterized by arranging for the linkage between the first and second belt wheels (506, 507) to be achieved by the engagement between the first and second gears (504, 505), the transmission ratio thereof 30 being 2; connecting the first belt wheel (506) with outside power source through the belt, the transmission ratio thereof being 2.

4. A design method for the transmission unit for the fluid 2/3 transfer device according to claim 1, characterized by arranging for the second support pillar (510) to separate the first support borad (501) from the third support board (503) to form a space for arranging the gear and the belt wheel; 5 arranging for the first gear (504) and the second gear (505) to align with eacher by face; arranging for the first belt wheel (506), the second belt wheel (507) and the third belt wheel (508) to align with one another by face. 10

5. A design method for the transmission unit for the fluid transfer device according to claim 1, characterized by providing the first support board (501) with a counterbore (514) for matting with the first support pillar; 15 providing the third support board with a counterbore (514) for matting with the second support pillar. 3/3