IES86748B2

IES86748B2 - Transmission unit for fluid transfer device

Info

Publication number: IES86748B2
Application number: IE20150318A
Authority: IE
Inventors: Zhu Gong
Original assignee: Zhu Gong
Priority date: 2014-11-15
Filing date: 2015-09-10
Publication date: 2016-11-16
Also published as: IE20150353A1; AU2015100455A4; CN104373544A; AU2015100456A4; IES20150318A2; CN104373544B

Abstract

The invention relates to a transmission unit for the fluid transfer device. The unit includes a support board, a gear, a belt, the first support board of the unit at the middle portion thereof has a first belt wheel, the second support board at the middle portion thereof has a second belt wheel, the middle portion of the head end of the second support board has a third belt wheel, which interacts with the second belt wheel through the belt, the first and second belt wheels interact with each other through the engagement between the first and second gears, the head end of the first support pillar partly inserts into the first support board, the tail end of the first support pillar partly inserts into the cylinder. The transmission unit 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. <Figure 11>

Description

Field of the Invention The invention relates to a fluid transfer device, especially to a transmission unit for the fluid transfer device.

Description of prior art The working process of the internal combustion engine is roughly such, the piston moves downward, the mixed combustible gas goes 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 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 ﬁcompression—>work—>exhaust.

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 create a negative pressure area in the receiving chamber, fluid is compressed into the receiving chamber 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. / 11 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 The object of the invention is to provide a transmission unit for the fluid transfer device so as to solve the above problem.

A transmission unit for the fluid transfer device comprises 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. The first support board at the middle portion thereof has a first belt wheel, the end of the second support board at the middle portion thereof has a second belt wheel, the head of the second support board at the middle portion thereof has a third belt wheel, the second and third belt wheels interacts with each other by belt, the first and second belt wheel interacts with each other by the engagement between the first and second gears, the first belt wheel connects with the outside power source through the belt, the third belt wheel rotates in unison with the crankshaft through the key connection.

Heat created from the device is taken away by the vane.

Specifically, the first gear rotates in unison with the first belt wheel through the key connection; the second gear rotates in unison with the second belt wheel through the key connection.

Specifically, the head of the first support pillar removably partly inserts into the first support board, the end of the fist support pillar removabiy partly 3/ 11 inserts into the cylinder, the end of the second support board is removably mounted to the first support board, the bolt sequentially passes through the second support board, the first support board and the first support pillar, and fastens the three to the cylinder.

Advantageous Effects The transmission unit 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.

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 device; Fig.2 is a 3d-drawing of the transmission unit in Fig.1; Fig.3 is a front view of the transmission unit in Fig.2; Fig.4 is a left view of the transmission unit in Fig.3; Fig.5 is a sectional view of Fig.3 along A—A direction; Fig.6 is a sectional view of Fig.3 along B-B direction; Fig.7 is a sectional 3d-drawing of the transmission 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; 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; 4/ 11 403. the crankshaft; 404. the cylinder casing; . 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; 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.

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 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 through the inlet opening 6 of the fluid transfer device, and then is released through the outlet opening 7 of the fluid transfer device. lnorder to increase the transferring efficiency of the device, the device includes four piston units4, four piston units 4 are uniformly 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 / 11 keeps one input passage 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.

The heat created by the device during working is taken away by the vane arranged in the front of the device.

Referring to Fig.2, Fig.3 and Fig.11, the transmission unit provides 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 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 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 belt. The second gear 505 coaxial with the second 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 unison with the 6/11 first belt 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 connects with outside power source through the belt, the transmission ratio thereof is2.

The third belt wheel S08 and the crankshaft interact with each other by equal transmission ratio through the key connection, due to such arrangement, finally the 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 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 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 axial movement of the second rotating shaft 513 so as to save extra limiting parts like antiextrusion rings OF screws 0!’ nuts.

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 / 11 bearing has interference fitting with the first support board 501 or the third support board 503, the bearing has interference fitting with the first rotating shaft 512. The vane S11 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.

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 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. 2. Increasing the assemble convenience, the second support pillar 510 can be quickly conveniently situated by the prefabricate counter bore 514 on the first support board 501, then the prefabricate counter bore 514 ( see Fig.9 )on the third support board 503 can be quickly conveniently slipped into the second support 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 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 board 501 from the third support board 503 to form a space for 8/ 11 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 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 partly inserts into the first support board 501 and the cylinder 1, such arrangement has above advantages.

Claims

1. A transmission unit for the fluid transfer device, comprising a support board, a gear and a belt; characterized in that the first support board (501) of the transmission unit (5) at the middle portion thereof has a first belt wheel (506), the end of the second support board (502) at the middle portion thereof having a second belt wheel (507), the head of the second support board (502) at the middle portion thereof having a third belt wheel (508), the second and third belt wheels (507, 508) interacted with each other by belt, the first and second belt wheel (506, 507) interacted with each other by the engagement between the first and second gears (504, 505), the first belt wheel (506) connected with the outside power source through the belt, the third belt wheel (508) rotating in unison with the crankshaft (403) through the key connection; 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; the second belt wheel (507) coaxial with the second gear (505) which rotates in unison with the second belt wheel (507) through the key connection; the head of the first support pillar (509) removably partly inserts into the first support board (501), the end of the fist support pillar (509) removably partly inserting into the cylinder (1), the end of the second support board (502) removably mounted to the first support board (501), the bolt sequentially passing through the second support board (502), the first support board (501) and the first support pillar (509) and fastening the three to the cylinder (1); two sides of the second support pillar (510) respectively removably 10/ 11 connecting with the first support board (501) and the second support board (502), and two ends of the second support pillar (510) partly inserting into the corresponding support board, the fist support board (501), the second support board (502) and the second support pillar (510) being fastened together by bolts.

2. A transmission unit for the fluid transfer device according to claim 1, characterized in that the transmission unit provides 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; four second support pillars (502) are uniformly arranged in a ring array, the axis of the array being the axis of the first support board (501).

3. A transmission unit for the fluid transfer device according to claim 2, characterized in that 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 being 2; the first belt wheel (506) connecting with outside power source through the belt, the transmission ratio thereof being 2.

4. A transmission unit for the fluid transfer device according to claim 1, characterized in that the second support pillar (510) separating the first support borad 10 11/ 11 (501) from the third support board (503) to form a space for arranging the gear and the belt wheel, the first gear (504) and the second gear (505) being aligned with each other by face, the first belt wheel (506), the second belt wheel (507) and the third belt wheel (508) being aligned with one another by face.

5. A transmission unit for the fluid transfer device according to claim 1, characterized in that the first support board (501) has a counter bore (514) for matting with the first support pillar, the third support board having a counter bore (514) for matting with the second support pillar.