CN112896077B - A flexible flat and soft liquid material delivery mechanism for automotive fuel cells - Google Patents

Abstract

The invention belongs to the field of automobile fuel cells, and specifically relates to a flexible flat and soft liquid material delivery mechanism for automobile fuel cells, which includes a power input shaft, a first cage, a rotating shaft, a second cage and a housing, and a rear end surface of the first cage A number of rolling elements are arranged, and the rolling elements are clamped between the first cage and the second cage. The front end of the second cage is provided with a number of wave-shaped protrusions. The outer wall of the rear end of the rotating shaft is provided with a number of liquid inlet grooves. A liquid chamber is set in the center, and a liquid outlet hole communicating with the liquid chamber is also provided on the rear end of the rotating shaft. The inner wall of the socket used to cooperate with the rotating shaft is provided with a liquid inlet corresponding to the liquid inlet and a liquid inlet corresponding to the liquid inlet. The liquid receiving hole corresponding to the liquid outlet. The structure of the present invention has the advantages of being simple and small, compact and stable, and ingeniously designed, capable of rotating at a high speed, and having a large conveying flow.

Description

A flexible flat and soft liquid material delivery mechanism for automotive fuel cells

technical field

The invention belongs to the field of automobile fuel cells, and in particular relates to a flexible flat and soft liquid material delivery mechanism for automobile fuel cells.

Background technique

In the transmission structure of automobile fuel cells, plunger pumps are generally used to transport media such as lubricating fluid. The delivery flow of the plug pump is small. Therefore, a new flow delivery mechanism with higher rotational speed and larger delivery flow is required.

Contents of the invention

In order to make up for the deficiencies of the prior art, the invention provides a technical proposal of a flexible flat and soft liquid material delivery mechanism for an automobile fuel cell.

The flexible flat and soft liquid material delivery mechanism for automotive fuel cells is characterized in that it includes a power input shaft, a first cage that is vacantly sleeved on the power input shaft, a rotating shaft that cooperates with the power input shaft through a transmission assembly, The second cage that is driven and matched with the rotating shaft and the housing that is rotatably plugged in with the rotating shaft. The rear end surface of the first cage is provided with a number of rolling bodies along its circumference, and the rolling bodies are clamped between the first cage and the second cage. Between the frames, the front end of the second cage is provided with a number of wave-shaped projections corresponding to the rolling elements along its circumference, and a number of liquid inlet grooves are provided on the outer wall of the rear end of the rotating shaft, and a liquid chamber is provided in the center of the rear end of the rotating shaft. There is also a liquid outlet hole connected to the liquid passage chamber on the end shell wall, and a liquid inlet corresponding to the liquid inlet tank and a liquid receiving hole corresponding to the liquid outlet hole are respectively provided on the inner wall of the jack of the housing to cooperate with the rotating shaft. When the power input shaft rotates, the first cage can keep not rotating, and the rotating shaft can follow the rotation of the power input shaft while reciprocating back and forth along with the intermittent extrusion of the rolling element to the wave-shaped protrusion.

The flexible flat and soft liquid material delivery mechanism for automobile fuel cells is characterized in that a power input wheel is sheathed on the power input shaft.

The flexible flat and soft liquid material delivery mechanism for automobile fuel cells is characterized in that the transmission assembly includes a first ferrule that is in transmission with the power input shaft, a second ferrule that is in transmission with the rotating shaft, and a second ferrule that is respectively connected with the first The first ferrule and the second ferrule are plugged into the matching transmission clamp, and the second ferrule can slide back and forth relative to the transmission clamp.

The flexible flat and soft liquid material conveying mechanism for automobile fuel cells is characterized in that the first ferrule has a plurality of first slots, the second ferrule has a plurality of second slots, and the transmission clamp has several The first slot is plug-fitted with the first pin and several second slots are plug-fitted with the second pin.

The flexible flat and soft liquid material delivery mechanism for automobile fuel cells is characterized in that a supporting assembly for supporting the rotating shaft is also arranged on the housing.

The flexible flat and soft liquid material delivery mechanism for automotive fuel cells is characterized in that the support assembly includes a support plate fitted on the rotating shaft, a support rod connected between the support plate and the housing, and a support Return spring on the support rod.

The flexible flat and soft liquid material delivery mechanism for automobile fuel cells is characterized in that the rear end of the first cage is surrounded by a number of fitting ports for fitting with rolling elements along its circumference.

The flexible flat and soft liquid material delivery mechanism for automobile fuel cells is characterized in that the outer wall of the housing is provided with a feed port corresponding to the liquid inlet and a discharge port corresponding to the liquid receiving hole.

Compared with the prior art, the structure of the present invention has the advantages of being simple and compact, compact and stable, and ingenious in design, and can rotate at a high speed and deliver large flow.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic diagram of the decomposition structure of the present invention;

Fig. 3 is the schematic diagram of housing structure in the present invention;

Fig. 4 is a schematic diagram of a cross-sectional structure of a housing in the present invention;

Fig. 5 is a schematic diagram of the structure of the rotating shaft in the present invention;

Fig. 6 is a schematic diagram of the cross-sectional structure of the rotating shaft in the present invention.

Detailed ways

The present invention will be further described below in conjunction with accompanying drawing.

As shown in the figure, a flexible flat and soft liquid material delivery mechanism for automotive fuel cells includes a power input shaft 1, a first cage 2 that is vacantly sleeved on the power input shaft 1, and a transmission mechanism that cooperates with the power input shaft 1 through a transmission assembly. The rotating shaft 3, the second cage 4 that is drivingly matched with the rotating shaft 3, and the housing 5 that is rotatably plugged in with the rotating shaft 3, the rear end surface of the first cage 2 is provided with a number of rolling elements 6 along its circumference, and the rolling elements 6 Clamped between the first cage 2 and the second cage 4, the front end of the second cage 4 is provided with a number of corrugated protrusions 400 corresponding to the rolling elements 6 along its circumference, and the outer wall of the rear end of the rotating shaft 3 is provided with several The liquid inlet tank 300, the center of the rear end of the rotating shaft 3 is provided with a liquid chamber 301, and the rear end shell wall of the rotating shaft 3 is also provided with a liquid outlet hole 302 communicating with the liquid chamber 301, and the housing 5 is used to cooperate with the rotating shaft 3 The inner wall of the socket 500 is respectively provided with a liquid inlet 501 corresponding to the liquid inlet tank 300 and a liquid contact hole 502 corresponding to the liquid outlet hole 302. When the power input shaft 1 rotates, the first cage 2 can keep from rotating, and the rotating shaft 3 can follow the rotation of the power input shaft 1 while reciprocating back and forth with the intermittent pressing of the rolling element 6 to the wave-shaped protrusion 400 . Wherein, the first cage 2 is fixed by an additional fixing mechanism in a conventional fixing manner, so that the first cage 2 will not rotate together with the power input shaft 1 .

As an optimization: a power input wheel 7 is sheathed on the power input shaft 1, and the power input wheel 7 is preferably a gear.

As an optimization: the transmission assembly includes a first ferrule 8 that is in transmission with the power input shaft 1, a second ferrule 9 that is in transmission with the rotating shaft 3, and is inserted into the first ferrule 8 and the second ferrule 9 respectively With the matching transmission clip 10 , the second ferrule 9 can slide back and forth relative to the transmission clip 10 . Wherein, the second ferrule 9 can be fixedly matched with the second cage 4 .

Furthermore, the first ferrule 8 has two symmetrical first pins 800, the second ferrule 9 has two symmetrical second pins 900, and the angle between the first pins 800 and the second pins 900 Just staggered, the transmission clip 10 has two first slots 1000 for plugging with the first pinion 800 and two second slots 1001 for plugging with the second pinion 900 . The second pin 900 can relatively slide back and forth on the second slot 1001

As an optimization: a support assembly for supporting the rotating shaft 3 is also provided on the housing 5 .

Furthermore, the support assembly includes a support plate 11 that is hollowly sleeved on the rotating shaft 3, a support rod 12 connected between the support plate 11 and the housing 5, and a return spring 13 sleeved on the support rod 12. Both ends of the spring 13 are respectively against the housing 5 and the support plate 11 .

As an optimization: the rear end of the first cage 2 is ringed with a number of fitting ports 200 for matching with the rolling elements 6 along its circumference, and the fitting ports 200 are composed of two groups of inner ring and outer ring, so that the rolling elements 6 can be effectively Good support. The rolling element 6 is a cylindrical structure, and the fitting opening 200 is a semicircular arc structure corresponding to the rolling element 6 .

As an optimization: the outer wall of the housing 5 is provided with a feed port 503 corresponding to the liquid inlet 501 and a discharge port 504 corresponding to the liquid receiving hole 502 . The material inlet 501 introduces the medium through the pipeline, and the material outlet 504 inputs the medium into the gear box and other mechanisms through the pipeline.

In the present invention, there are four rolling elements 6 , corrugated protrusions 400 , liquid contact holes 502 , feed ports 503 , and liquid inlet grooves 300 .

Working process: the power input wheel 7 is driven to rotate through the power mechanism, the power input wheel 7 drives the power input shaft 1 to rotate, the power input shaft drives the rotation shaft 3 to rotate through the transmission assembly, and the transmission assembly also drives the second cage 4 to rotate, and the second retainer When the frame 4 rotates, the wave-shaped protrusions 400 on it are intermittently squeezed by the rolling elements 6, thereby driving the second cage 4, the second ferrule 9 and the transmission shaft 3 to reciprocate back and forth, so that the transmission shaft can be realized. 3 The action of reciprocating while rotating, when the transmission shaft 3 moves forward, the position of the liquid inlet groove 300 on the transmission shaft 3 and the liquid inlet 501 of the housing 5 are the same in the axial direction, and the transmission shaft 3 is just right at this time Rotate to the angle that makes the liquid inlet tank 300 communicate with the liquid inlet 501, and because the transmission shaft 3 moves forward, the cavity between the inner wall of the housing 1 and the transmission shaft 3 becomes larger, and the air pressure drops, so the medium is drawn in ; When the transmission shaft 3 moves backward, the cavity between the inner wall of the housing 1 and the transmission shaft 3 becomes smaller, and the medium is squeezed, and at this time the transmission shaft 3 just rotates until its outlet hole 302 is just in line with the housing 5 The liquid contact hole 502 communicates with the angle, so the medium is discharged, so that the function of transporting the medium is realized.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims (7)

1. A flexible flat and soft liquid material delivery mechanism for automotive fuel cells, characterized in that it includes a power input shaft (1), a first cage (2) that is empty on the power input shaft (1), and a power input shaft ( 1) The rotating shaft (3) that is driven and matched by the transmission assembly, the second cage (4) that is driven and matched with the rotating shaft (3) and the housing (5) that is rotated and plugged with the rotating shaft (3), the first The rear end surface of the cage (2) is provided with several rolling elements (6) along its circumference, and the rolling elements (6) are clamped between the first cage (2) and the second cage (4), and the second cage ( 4) The front surface is provided with a number of corrugated protrusions (400) corresponding to the rolling elements (6) along its circumference, and a number of liquid inlet grooves (300) are provided on the outer wall of the rear end of the rotating shaft (3), and the rear end of the rotating shaft (3) A liquid passage (301) is set in the center, and a liquid outlet (302) communicating with the liquid passage (301) is also provided on the rear end shell wall of the rotating shaft (3). The housing (5) is used to connect with the rotating shaft (3) The inner wall of the matched socket (500) is respectively provided with a liquid inlet (501) corresponding to the liquid inlet (300) and a liquid contact hole (502) corresponding to the liquid outlet (302). When the power input shaft (1) rotates , the first cage (2) can keep rotating, and the rotating shaft (3) can follow the rotation of the power input shaft (1) while intermittently pressing the rolling body (6) to the wave-shaped protrusion (400). And back and forth reciprocating motion; The transmission assembly includes a first ferrule (8) that is in transmission with the power input shaft (1), a second ferrule (9) that is in transmission with the rotating shaft (3), and is respectively connected with the first ferrule (8) and The second ferrule (9) is inserted into the matching transmission clamp (10), and the second ferrule (9) can slide back and forth relative to the transmission clamp (10). 2. A flexible flat and soft liquid material delivery mechanism for automotive fuel cells according to claim 1, characterized in that a power input wheel (7) is sheathed on the power input shaft (1). 3. A flexible flat and soft liquid material delivery mechanism for automotive fuel cells according to claim 1, characterized in that the first ferrule (8) has several first slotting teeth (800), and the second ferrule (9 ) has several second pins (900), and the transmission clip (10) has several first slots (1000) for plugging and mating with the first pins (800) and several for connecting with the second pins ( 900) mating second socket (1001). 4. A flexible flat and soft liquid material delivery mechanism for automotive fuel cells according to any one of claims 1-3, characterized in that the housing (5) is also provided with a support for supporting the rotating shaft (3) components. 5. A flexible flat and soft liquid material delivery mechanism for automotive fuel cells according to claim 4, characterized in that the support assembly includes a support plate (11) fitted on the rotating shaft (3), connected to the support plate (11) and the support rod (12) between the housing (5) and the return spring (13) sleeved on the support rod (12). 6. A flexible flat and soft liquid material delivery mechanism for automotive fuel cells according to any one of claims 1-3, characterized in that the rear end of the first cage (2) is ringed along its circumference for several Fitting port (200) for rolling element (6). 7. A flexible flat and soft liquid material delivery mechanism for automotive fuel cells according to any one of claims 1-3, characterized in that the outer wall of the housing (5) is set in a one-to-one correspondence with the liquid inlet (501) A connected feeding port (503) and a correspondingly connected feeding port (504) connected with the liquid receiving hole (502).

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