CN2737995Y

CN2737995Y - Blade pump

Info

Publication number: CN2737995Y
Application number: CN 200420018147
Authority: CN
Inventors: 邓兴良
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-05-18
Filing date: 2004-05-18
Publication date: 2005-11-02
Anticipated expiration: 2014-05-18

Abstract

The utility model discloses a blade pump, which comprises a main rotating shaft, a support frame of the main rotating shaft, a rotating disk, a blade shaft, a fluid inlet and a fluid outlet. The end part of the blade shaft is provided with blades. The structure of the utility model is characterized in that the main rotating shaft is fixedly provided with the rotating disk which rotates concentrically and integratedly with the main rotating shaft, a small gear is fixed at a position which is concentric with the rotating shaft on the support frame of the main rotating shaft, the small gear is used as a central gear, the rotating disk is provided with a hole for arranging the blade shaft, a bearing is arranged in the hole, the blade shaft is fixedly inserted in the bearing, the blade shaft in the hole is provided with a big gear, both ends or one end of the blade shaft is provided with the blades, and the small gear which is fixed on the support frame of the main rotating shaft can drive the big gear which is arranged on the blade shaft. The blades have no fiction with cavity wall in operating and the volume change can be completed efficaciously, which achieve such operating requirements as application in the adverse working condition with high temperature and pressure in a supercharger of an internal combustion engine. The utility model has the advantages of simple structure, high efficiency, easy use, etc.

Description

Vane pump

Affiliated technical field:

The utility model relates to a kind of vane pump.

Background technique:

Existing vane pump, the main structure form has: blade and rolling piston are remained the rolling-piston-type that contacts by elastic force, the swing-rotor type that blade and rolling piston are fused is also arranged, also have by centrifugal force and make rotary slide sheet type that blade and chamber wall keep in touch etc., the structural type of these vane pumps makes blade the time all be unable to do without all the time and the friction of chamber wall in work, could finish the variation of volume effectively, reach the requirement of use, do not have the chamber wall just can not turn round, this just makes the application area of vane pump be restricted.Just can not in the abominable working environment of the High Temperature High Pressure of internal-combustion engine booster, be suitable for as the vane pump of above-mentioned structural type.

Summary of the invention:

The purpose of this utility model provides the vane pump that a kind of blade is led rotation down and also can be rotated as usual at driving mechanism under the situation of no chamber wall.The purpose of this utility model is to realize like this, described vane pump, comprise main rotary shaft supporting frame, main rotary shaft and rolling disc and sharf and fluid inlet, outlet, the end of sharf is provided with blade, its structural feature is for fixing a rolling disc with the concentric unitary rotation of main rotary shaft energy on main rotary shaft, be fixed with small gear on the main rotary shaft supporting frame and with rotatingshaft concentric position place, this small gear is as sun gear; Be provided with the hole that sharf is installed on rolling disc, bearing is installed in the hole, the bearing internal fixation is inserted with sharf, and the sharf that is arranged in the hole is provided with gearwheel; The one or both ends of described sharf are provided with blade; The gearwheel that the small gear energy drive blade axle that is fixed with on the main rotary shaft supporting frame is provided with.The purpose of this utility model also can be achieved through the following technical solutions, described vane pump, and its characteristics are the transmission shaft transmission with gear transmission, chain-driven, toothed belt transmission or the band gear of accurate velocity ratio of small gear and gearwheel.Described vane pump, its characteristics are when adopting shell as the main rotary shaft supporting frame, the gearwheel engagement driving that is provided with on the sharf in the small gear that on shell, is fixed with and the hole of rolling disc, and the gear ratio is 1: 2.Described vane pump, its characteristics are that the alternate certain distance with gearwheel of small gear then passes through sprocket driving, and the velocity ratio between them is 1: 2.Described vane pump, its characteristics are for being provided with ring plate on rolling disc, the thickness of ring plate is suitable with the thickness of blade, the distance at blade and rolling disc center and the distance at sharf center and rolling disc center is identical or much at one, the height of ring plate is equivalent to blade and is exposed to the outer length of rolling disc, ring plate is provided with the opening that blade can rotate, and the size of opening is suitable with the width of blade.The utlity model has following characteristics and advantage: when work blade not with the chamber wall friction, can finish the variation of volume effectively, reach the requirement of use, if can adapt in the abominable working environment of the High Temperature High Pressure of internal-combustion engine booster and be suitable for.Have simple in structure, efficient is high, characteristics such as easy to use.

Description of drawings:

Fig. 1 is that large and small gear employing linked transmission of the present utility model and small gear are fixed on the cross section structure schematic representation on the main rotary shaft supporting frame.

Fig. 2 is fixed on cross section structure schematic representation on the shell for large and small gear of the present utility model adopts direct engagement driving and small gear.

Fig. 3 is that large and small gear employing linked transmission of the present utility model and small gear are fixed on the cross section structure schematic representation on the shell.

Fig. 4 is the large and small gear transmission structure schematic representation in the utility model A-A cross section.

Fig. 5 is the cross-sectional view of sharf of the present utility model.

Fig. 6 is the main TV structure schematic representation of sharf of the present utility model.

Fig. 7 is the plan structure schematic representation of Fig. 6.

Fig. 8 is the structural representation of looking up of Fig. 6.

Fig. 9 cuts open structural representation for the B-B of Fig. 2.

Figure 10 is the cross-sectional view of the shell that is positioned at main rotary shaft one side of the present utility model and blade, ring plate etc.

Figure 11 be of the present utility model when blade rotates the cross-sectional view of actual molded lines.

Figure 12 is the one of four states schematic representation of the utility model with a blade rotation under the chain-driven or the band kind of drive.

Figure 13 be the utility model with three blades of installation under the chain-driven or the band kind of drive structural representation.

Figure 14 for the utility model with the actual structural representation that four blades are installed in chain-driven or band the one of four states under the kind of drive corresponding to the blade rotation of Figure 12.

Figure 15 is for being provided with the structural representation of import and export among Figure 14.

Figure 16 is the one of four states schematic representation of the utility model with the rotation of the blade under meshed transmission gear or the gear shaft engagement driving mode.

Embodiment:

Below in conjunction with accompanying drawing the utility model is elaborated:

As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14 and shown in Figure 15, the utility model comprises main rotary shaft supporting frame 8, main rotary shaft 1 and rolling disc and sharf 5, fluid inlet, outlet, the end of sharf 5 is provided with blade 3, structural feature is for fixing a rolling disc 2 on main rotary shaft 1, rolling disc 2 and main rotary shaft 1 can concentric unitary rotation, be fixed with small gear 7 on the main rotary shaft supporting frame and with rotatingshaft 1 concentric position place, this small gear 7 is as sun gear; Be provided with the hole that sharf is installed on rolling disc 2, bearing 10 is installed in the hole, be inserted with sharf 5 in the bearing 10, the one or both ends of described sharf 5 are provided with blade 3, and blade 3 can be exposed to outside the rolling disc 2 and can rotate; The sharf 5 that is arranged in the hole is provided with gearwheel 6, and this gear is as planet wheel.When only fixing small gear 7 in the structure of the present utility model, see that specifically Fig. 1, machinery of the present utility model can be used as the utilization machinery of waterpower, wind-force, as use as windmill with the main rotary shaft supporting frame.When adopt a kind of as Fig. 2, Fig. 3, Fig. 4, when shell 9 shown in Figure 10 fixes small gear 7 as the main rotary shaft supporting frame, shell 9 at this moment just has the effect of main rotary shaft supporting frame, machinery of the present utility model uses as pump.Form cavity volume 20 between the shell 9 of this moment and the rolling disc 2, blade makes the variation of swept volume generating period in the rotation of cavity volume intercycle, makes pump work.The gearwheel 6 that the small gear that is fixed with on main rotary shaft supporting frame or the shell 7 is provided with for the sharf 5 in the hole of sun gear and rolling disc 2 is as the planet wheel engagement driving, and sun gear is 1: 2 with the gear ratio of planet wheel; Perhaps small gear 7 then can pass through sprocket wheel 12 transmissions with gearwheel 6 alternate certain distances, or small gear 7 and gearwheel 6 alternate certain distances also can be by the band gear the mode and the accurately band type of belt drive transmission or the like of velocity ratio of transmission shaft, the velocity ratio between them is 1: 2.On rolling disc 2, be provided with ring plate 11, the thickness of ring plate is suitable with the thickness of blade, the distance at blade and rolling disc 2 centers and the distance at sharf 5 centers and rolling disc 2 centers is identical or much at one, the height of ring plate is equivalent to blade 3 and is exposed to rolling disc 2 length outward, ring plate 11 is provided with the opening that blade can rotate, and the size of opening is suitable with the width of blade.As required, can be provided with fluid inlet, outlet in radially or axial arbitrary position.When rolling disc 2 is provided with two sharfs 5, when two sharfs have only a side that blade is arranged, then as long as on the rolling disc 2 of homonymy, be provided with ring plate 11.Ring plate be blade when revolution before crossing position, the minimum place of cavity volume (back), blade is not in minimum place, on rolling disc 2 one section of setting with blade co-altitude, stack pile and the annulus segment body that seals.The rotation type of belt drive of blade requires to have the accurately various type of belt drive of velocity ratio, as: the forms such as transmission shaft transmission of gear transmission, chain-driven, toothed belt transmission, band gear all can.When rolling disc 2 is provided with three or above sharf 5, then the position of sharf installation is to see Figure 12 with a blade rotating locus, the rotating locus of correspondence at an arbitrary position time for other each blade, it is the cavity volume of the shared rotating locus of a plurality of blades, as shown in figure 13, for the figure of three blades is installed, as shown in figure 14, in any one of four states corresponding to blade rotation of Figure 12, and the structural drawing of four blades is installed in one of four states.As shown in figure 11, the molded lines 21 of cavity volume 20 exports later molded lines 22 and be the molded lines 21 of the actual rotation of blade crossing, and when than actual molded lines 21 to some extent during deviation, feasiblely exports later chamber 23 and does not produce the volume effect, and cavity volume 20 interior fluids are refluxed.Or widen in axial sides, do not produce the volume effect equally.Be exactly only to select cavity volume between adjacent two blades in actual applications as active chamber 26.Required active chamber position perhaps arbitrarily is set as required.As shown in figure 15, between with two blades, be cavity volume 20, cavity volume 20 peripheral hardware imports 24 and outlet 25.Figure 16 is the one of four states schematic representation of the utility model with the rotation of the blade under meshed transmission gear or the gear shaft engagement driving mode.With meshed transmission gear or gear shaft engagement driving mode with different with blade sense of rotation, the state of the chain-driven or the band kind of drive.

Claims

1, a kind of vane pump, comprise shell, main rotary shaft (1) and rolling disc and sharf (5) and fluid inlet, outlet, the end of sharf is provided with blade (3), it is characterized in that shell is as the main rotary shaft supporting frame, on main rotary shaft (1), fix one with main rotary shaft (1) can concentric unitary rotation rolling disc (2), be fixed with small gear (7) on shell and with rotatingshaft (1) concentric position place, this small gear (7) is as sun gear; Be provided with the hole that sharf is installed on rolling disc (2), bearing (10) is installed in the hole, bearing (10) internal fixation is inserted with sharf (5), and the sharf (5) that is arranged in the hole is provided with gearwheel (6); The one or both ends of described sharf (5) are provided with blade (3); The small gear that is fixed with on the shell (7) is connected with suitable ratio transmissions with the gearwheel (6) that sharf (5) is provided with.

2, vane pump according to claim 1 is characterized in that gearwheel (6) engagement driving that the sharf (5) in the hole of small gear (7) and rolling disc (2) is provided with, and the gear ratio is 1: 2.

3, vane pump according to claim 1 is characterized in that small gear (7) and the alternate certain distance of gearwheel (6) then pass through sprocket driving, and the velocity ratio between them is 1: 2.

4, vane pump according to claim 1, it is characterized in that on rolling disc (2), being provided with ring plate (11), the thickness of ring plate is suitable with the thickness of blade, the distance at blade and rolling disc (2) center is identical with the distance at sharf (5) center and rolling disc (2) center, the height of ring plate is equivalent to blade (3) and is exposed to the outer length of rolling disc (2), ring plate (11) is provided with the opening that blade can rotate, and the size of opening is suitable with the width of blade.