CN202560554U - Fluid pressure and mechanical energy converter - Google Patents
Fluid pressure and mechanical energy converter Download PDFInfo
- Publication number
- CN202560554U CN202560554U CN2012202194741U CN201220219474U CN202560554U CN 202560554 U CN202560554 U CN 202560554U CN 2012202194741 U CN2012202194741 U CN 2012202194741U CN 201220219474 U CN201220219474 U CN 201220219474U CN 202560554 U CN202560554 U CN 202560554U
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- gear
- driven gear
- driving gear
- mechanical energy
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Abstract
A fluid pressure and mechanical energy converter is provided, which mainly solves the problem that the existing hydraulic pumps or motors has high power pulse. The fluid pressure and mechanical energy converter is characterized in that an isolation seal surface (4) is disposed at the engagement part of a transmission gear (2) and a driven gear (3) in a pump body (1), the isolation seal surface (4) is an arc surface and is matched with the tooth top surface of the driven gear (3), the tooth depth of the transmission gear (2) is smaller than that of the driven gear (3), the isolation seal surface (4) and the tooth top surface of the driven gear (3) are in adhesion seal with each other, and the arc length of the isolation seal surface (4) is greater than or equal to the arc length between the tooth tops of adjacent two gear teeth. The fluid pressure and mechanical energy converter can be used as a motor and a pump as well, and the device has power pulse close to zero, and has the characteristics of high operational efficiency, high low-speed startup efficiency and wide allowable working rotation speed range.
Description
Technical field
The utility model relates to the motor or the pump of the mutual conversion between a kind of positive displacement fluid pressure and the mechanical energy, is applicable to various fluids such as hydraulic oil, water, air, is specifically related to a kind of hydrodynamic pressure and mechanical energy converter.
Background technique
At present, known positive displacement fluid pressure and mechanical energy converter (motor or pump) are configured with: piston type, blade type, gear type and other structure.Wherein the motor of gear type structure or pump are common; Generally be to be meshing with each other by two or more gears; Engaging tooth embeds the other side's between cog each other the fluid of the other side's between cog is squeezed out between cog; Withdraw from engagement and withdraw from the other side's between cog each other fluid is sucked between cog, thus realize fluid can with the mutual conversion of mechanical energy.Structurally the Surface of action between the gear is a sealing surface; Therefore; Changed constantly by the area of the flank of tooth of hydrodynamic pressure; The moment of torsion that acts on the positive and negative direction on the gear also changes constantly, has the big defective of power pulse, also has deficiencies such as inefficiency, low speed start efficient is low, permission working speed scope is less simultaneously.
The model utility content
In order to overcome disadvantages of background technology; The utility model provides a kind of hydrodynamic pressure and mechanical energy converter; This hydrodynamic pressure and mechanical energy converter both can be used as the motor use and also can be used as the pump use; This device power pulse approaches zero, has high working efficiency, low speed start efficient height and allows the big characteristics of working speed scope.
The technological scheme of the utility model is: this hydrodynamic pressure and mechanical energy converter comprise housing, driving gear and driven gear; The pump housing is provided with fluid connection mouth and diversion cavity; The Topland of driving gear pastes sealing mutually with the tooth flank of driven gear; Driving gear and the driven gear place of being meshed are provided with the isolating seal face in the pump housing, and the isolating seal face is an arc surface and suitable with the Topland of driven gear, and the tooth depth of driving gear is less than the tooth depth of driven gear; The sealing that fits between the Topland of isolating seal face and driven gear, the arc length of described isolating seal face is greater than or equal to the arc length between adjacent two gear teeth tooth tops on the driven gear.
Described driving gear is made up of disk, transmission shaft and the gear teeth, and tooth distribution is at the periphery of disk, and the gear teeth are mutually neat with the circumference of disk, connect between the gear teeth, and a part of gear teeth paste sealing mutually with enclosure interior.
The gear teeth of described driving gear are provided with pod apertures, and pod apertures is along the radial and axial distribution of gyration center; The flank of tooth and the gullet base of driven gear are provided with guiding gutter, and guiding gutter distributes along peripheral direction.
Engagement is provided with the crescent moon dividing plate between driving gear and the driven gear in described driving gear and the driven gear, the bi-side of crescent moon dividing plate respectively with the sealing that fits of the Topland of the Topland of driving gear and driven gear.
Be fixed with cylindrical body on the described housing, the Topland of driving gear and cylindrical body external cylindrical surface are fitted and are sealed, and described isolating seal face is located on the cylindrical body, and the Topland of driven gear and isolating seal face are fitted and sealed; Gullet base on the driven gear is provided with the water conservancy diversion groove.
Described driving gear and driven gear outer gearing, the Topland of driving gear pastes sealing mutually with the tooth flank of driven gear.
Between relative engagement of described driving gear and driven gear and the gyration center separately certain included angle is arranged; Be provided with the wedge shape dividing plate between driving gear and the driven gear, the bi-side of wedge shape dividing plate respectively with the sealing that fits of the Topland of the Topland of driving gear and driven gear.
The a plurality of driven gears of described driving gear circumferential distribution.
The utlity model has following beneficial effect: owing to take such scheme; In running, the isolating seal face is airtight with tooth adjacent on the tooth that meshes on the driving gear and two driven gears, makes the variation that flank of tooth area takes place in engagement process of driving gear and driven gear not influence the variation that driven gear in the diversion cavity receives the hydrodynamic pressure area; And then make driven gear can under the effect of pressure medium, not produce the torque ripple of positive and negative direction; Effectively reduced power pulse, power pulse approaches zero, has improved high working efficiency and low speed start efficient; Allow the working speed scope big, both can be used as the motor use and also can be used as the pump use.
Description of drawings
Accompanying drawing 1 is the structure sectional view of the utility model.
Accompanying drawing 2 is structure sectional views of driving gear 2 among Fig. 1.
Accompanying drawing 3 is structure sectional views of another mode of execution of the utility model.
Accompanying drawing 4 is the utility model structure sectional views of a mode of execution again.
Accompanying drawing 5 is structural representations of another mode of execution of driving gear 2 in the utility model.
Accompanying drawing 6 is structural representations of another mode of execution of driven gear 3 in the utility model.
Accompanying drawing 7 is structure sectional views of the utility model the 3rd mode of execution.
Accompanying drawing 8 is structural representations of driven gear 3 among Fig. 7.
1-housing among the figure, 11-cylindrical body, 2-driving gear, 21-disk, 22-transmission shaft, the 23-gear teeth, 24-pod apertures, 3-driven gear, 31-water conservancy diversion groove, 32-guiding gutter, 4-isolating seal face, 5-crescent moon dividing plate, 6-wedge shape dividing plate, 7-diversion cavity.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
Combine Fig. 2-shown in Figure 8 by Fig. 1; This hydrodynamic pressure and mechanical energy converter comprise housing 1, driving gear 2 and driven gear 3; The pump housing 1 is provided with fluid connection mouth and diversion cavity 7; The Topland of driving gear 2 pastes sealing mutually with the tooth flank of driven gear 3; Driving gear 2 is provided with isolating seal face 4 with driven gear 3 places of being meshed in the pump housing 1, and isolating seal face 4 is an arc surface and suitable with the Topland of driven gear 3, and the tooth depth of driving gear 2 is less than the tooth depth of driven gear 3; The sealing that fits between the Topland of isolating seal face 4 and driven gear 3, the arc length of described isolating seal face 4 is greater than or equal to the arc length between adjacent two gear teeth tooth tops on the driven gear 3.Owing to take technique scheme, in running, isolating seal face 4 is airtight with tooth adjacent on the tooth of engagement on the driving gear 2 and two driven gears 3; Make driving gear 2 and driven gear 3 variation that flank of tooth area takes place in engagement process not influence the variation that driven gear 3 in the diversion cavity 7 receives the hydrodynamic pressure area; And then make driven gear 3 can under the effect of pressure medium, not produce the torque ripple of positive and negative direction, and having effectively reduced power pulse, power pulse approaches zero; Driven gear 3 does not participate in outside work done; Thereby 3 rotations of driving gear 2 drive driven gears, only need overcome the surface friction drag of driven gear 3 phase veneers generation and the damping force of driven gear 3 and fluid generation, improved high working efficiency and low speed start efficient; Allow the working speed scope big, both can be used as the motor use and also can be used as the pump use.
By shown in Figure 2, described driving gear 2 is made up of disk 21, transmission shaft 22 and the gear teeth 23, and the gear teeth 23 are distributed in the periphery of disk 21, and the gear teeth 23 are mutually neat with the circumference of disk 21, connects between the gear teeth 23, and a part of gear teeth 23 paste sealing mutually with housing 1 inside.When assembling, motive sealing between the side of the gear teeth 23 and the side cover.Input or output power by transmission shaft 22.
Combined shown in Figure 6ly by Fig. 5, the gear teeth 23 of driving gear 2 are provided with pod apertures 24, and pod apertures 24 is along the radial and axial distribution of gyration center; The flank of tooth of driven gear 3 and gullet base are provided with guiding gutter 32, and guiding gutter 32 distributes along peripheral direction.Pod apertures 24 has reduced fluid damping with guiding gutter 32, has improved working efficiency.
By shown in Figure 1, engagement in described driving gear 2 and the driven gear 3 is provided with crescent moon dividing plate 5 between driving gear 2 and the driven gear 3, the bi-side of crescent moon dividing plate 5 respectively with the sealing that fits of the Topland of the Topland of driving gear 2 and driven gear 3.5 buffer actions of crescent moon dividing plate are divided into hyperbaric chamber and low pressure chamber with 4 actings in conjunction of isolating seal face with diversion cavity 7.
Combine shown in Figure 8ly by Fig. 7, be fixed with cylindrical body 11 on the housing 1, the sealing of fitting of the Topland of driving gear 2 and cylindrical body 11 external cylindrical surfaces, described isolating seal face 4 is located on the cylindrical body 11, and the Topland of driven gear 3 is fitted with isolating seal face 4 and is sealed; Gullet base on the driven gear 3 is provided with water conservancy diversion groove 31.
By shown in Figure 3, described driving gear 2 and driven gear 3 outer gearings, the Topland of driving gear 2 pastes sealing mutually with the tooth flank of driven gear 3.
By shown in Figure 4; Between described driving gear 2 and driven gear 3 relative engagements and the gyration center separately certain included angle is arranged; Be provided with wedge shape dividing plate 6 between driving gear 2 and the driven gear 3, the bi-side of wedge shape dividing plate 6 respectively with the sealing that fits of the Topland of the Topland of driving gear 2 and driven gear 3.
In the above-mentioned technological scheme, at driving gear 2 peripheries a plurality of driven gears 3 that also can distribute.
The utility model can be used as uses such as fluid motor, fluid pump, the electrodeless variable displacement motor of fluid or pump, the electrodeless residual quantity device of limiting the quantity of of fluid; Can be used for various fluids such as hydraulic oil, water, air, high working efficiency, low speed start efficient is high; The permission speed range is big; Output input torque scope is big, and power pulse is little, and is simple in structure.
Claims (8)
1. hydrodynamic pressure and mechanical energy converter; Comprise housing (1), driving gear (2) and driven gear (3); The pump housing (1) is provided with fluid connection mouth and diversion cavity (7); It is characterized in that: interior driving gear of the pump housing (1) (2) and driven gear (3) place of being meshed are provided with isolating seal face (4); Isolating seal face (4) is an arc surface and suitable with the Topland of driven gear (3), the sealing that fits between the Topland of isolating seal face (4) and driven gear (3), and the arc length of described isolating seal face (4) is greater than or equal to the arc length between adjacent two gear teeth tooth tops on the driven gear (3).
2. hydrodynamic pressure according to claim 1 and mechanical energy converter; It is characterized in that: driving gear (2) is made up of disk (21), transmission shaft (22) and the gear teeth (23); The gear teeth (23) are distributed in the periphery of disk (21); The gear teeth (23) are mutually neat with the circumference of disk (21), connect between the gear teeth (23), and a part of gear teeth (23) paste sealing mutually with housing (1) inside.
3. hydrodynamic pressure according to claim 2 and mechanical energy converter is characterized in that: the gear teeth (23) of driving gear (2) are provided with pod apertures (24), and pod apertures (24) is along the radial and axial distribution of gyration center; The flank of tooth of driven gear (3) and gullet base are provided with guiding gutter (32), and guiding gutter (32) distributes along peripheral direction.
4. according to claim 1,2 or 3 described hydrodynamic pressure and mechanical energy converters; It is characterized in that: driving gear (2) and the interior engagement of driven gear (3); Be provided with crescent moon dividing plate (5) between driving gear (2) and the driven gear (3), the bi-side of crescent moon dividing plate (5) respectively with the sealing that fits of the Topland of the Topland of driving gear (2) and driven gear (3).
5. hydrodynamic pressure according to claim 4 and mechanical energy converter; It is characterized in that: be fixed with cylindrical body (11) on the housing (1); The Topland of driving gear (2) and cylindrical body (11) external cylindrical surface are fitted and are sealed; Described isolating seal face (4) is located on the cylindrical body (11), and the Topland of driven gear (3) and isolating seal face (4) are fitted and sealed; Gullet base on the driven gear (3) is provided with water conservancy diversion groove (31).
6. according to claim 1,2 or 3 described hydrodynamic pressure and mechanical energy converters, it is characterized in that: driving gear 2 and driven gear 3 outer gearings, the Topland of driving gear 2 pastes sealing mutually with the tooth flank of driven gear 3.
7. according to claim 1,2 or 3 described hydrodynamic pressure and mechanical energy converters; It is characterized in that: driving gear (2) and driven gear (3) mesh relatively and gyration center separately between certain included angle is arranged; Be provided with wedge shape dividing plate (6) between driving gear (2) and the driven gear (3), the bi-side of wedge shape dividing plate (6) respectively with the sealing that fits of the Topland of the Topland of driving gear (2) and driven gear (3).
8. according to claim 1,2 or 3 described hydrodynamic pressure and mechanical energy converters, it is characterized in that: a plurality of driven gears of driving gear (2) circumferential distribution (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202194741U CN202560554U (en) | 2012-05-14 | 2012-05-14 | Fluid pressure and mechanical energy converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202194741U CN202560554U (en) | 2012-05-14 | 2012-05-14 | Fluid pressure and mechanical energy converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202560554U true CN202560554U (en) | 2012-11-28 |
Family
ID=47210215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202194741U Expired - Lifetime CN202560554U (en) | 2012-05-14 | 2012-05-14 | Fluid pressure and mechanical energy converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202560554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644588A (en) * | 2012-05-14 | 2012-08-22 | 张振奏 | Fluid pressure and mechanical energy converter |
-
2012
- 2012-05-14 CN CN2012202194741U patent/CN202560554U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644588A (en) * | 2012-05-14 | 2012-08-22 | 张振奏 | Fluid pressure and mechanical energy converter |
| CN102644588B (en) * | 2012-05-14 | 2015-04-08 | 张振奏 | Fluid pressure and mechanical energy converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121128 Effective date of abandoning: 20150408 |
|
| RGAV | Abandon patent right to avoid regrant |