CN209100260U - A kind of curve rotary piston pump - Google Patents
A kind of curve rotary piston pump Download PDFInfo
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- CN209100260U CN209100260U CN201821187317.0U CN201821187317U CN209100260U CN 209100260 U CN209100260 U CN 209100260U CN 201821187317 U CN201821187317 U CN 201821187317U CN 209100260 U CN209100260 U CN 209100260U
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Abstract
A kind of curve rotary piston pump, including shell, shell tow sides are symmetrically arranged with transmission storehouse and cylinder body, are driven in storehouse and are provided with intermeshing pinion gear and gear wheel, gear wheel center is provided with main shaft, and pinion gear center is provided with counter drive shaft；Piston body and piston section are provided in cylinder body, cylinder deck two sides are respectively arranged with fluid inlet and fluid outlet；It is provided with curve notch on piston section, several and curve notch cooperating piston body lobe is provided on piston body.The utility model has the beneficial effect that the utility model structure is simple, piston body and shell do not rub, parts depreciation is effectively reduced, in addition it is driven using the power of low rotation speed large torque, to improve service life, the transmission of crankshaft of conventional piston compressor is replaced by gear drive band, to reduce energy loss, the efficiency of air compressor machine is improved, product can be used as Multistage air motor use, can effectively improve the efficiency of air motor.
Description
One, technical field
The utility model relates to a kind of compressors, more particularly to a kind of curve rotary piston pump.
Two, background technique
Air compressor is a kind of equipment to compressed gas, similar with water pump structure.Most of air compressors
It is reciprocating-piston, rotating vane or rotary screw.Present used on the market gear pump, sliding vane rotary vacuum pump, piston pump etc.
The pump housing has friction in the process of running between blade and shell, need lubricating oil, the piston and shell of existing rotary piston pump
Although body does not rub, limited by the volume of shell, within a duty cycle, action time of the piston to fluid
It is short, so inefficient after being converted to air motor.And the car combustion engine invented by the principle of existing piston pump, it is working
When, exhaust gas that the exhaust outlet of automobile engine is discharged there are also very big pressure and thermal energy, about 40% energy from
Exhaust pipe discharge, cannot effectively utilize, prevent the efficiency of internal combustion engine is from improving.
It can effectively solve the problem that compressed gas band greasy dirt, revolving speed is high, exhaust is discontinuous, gas pressure has on the market now
Fluctuation, the problems such as vulnerable part is more, maintenance capacity is larger, and then the compressor for improving air compression efficiency is found not yet, is had
It is to be developed.
Three, utility model content
In order to overcome the shortcoming of existing compressor, the utility model provides a kind of curve rotary piston pump.
What the technical solution of the utility model was realized in.
A kind of curve rotary piston pump of this programme, including shell, the shell tow sides are symmetrically arranged with transmission storehouse
And cylinder body, intermeshing pinion gear and gear wheel are provided in the transmission storehouse, and the gear wheel center is provided with master
Transmission shaft, the pinion gear center are provided with counter drive shaft；
Piston body and piston section are provided in the cylinder body, the cylinder deck two sides are respectively arranged with fluid inlet and stream
Body outlet；
The piston body by main shaft and the coaxial electric shaft of gear wheel, the piston section pass through counter drive shaft with it is small
The coaxial electric shaft of gear, the excellent circle of the piston section and the root circle of piston body are tangent；
It is provided with curve notch on the piston section, is provided on the piston body several and curve notch cooperating
Piston body lobe；
The piston body lobe top arc face and inboard wall of cylinder block are at a fully engaged, the piston body lobe top arc both ends
It is at a fully engaged with curve notch；
The piston body lobe moves to rear-bank rotor housing inner space in curve notch and is divided into two separate spaces.
Gear ratio between the gear wheel and pinion gear is 2:1, modulus ratio 1:1；The gear wheel and pinion gear pressure
Power angle is 20 °；The gear wheel and pinion gear are spur gear wheel；Rotating ratio between the gear wheel and pinion gear is
1:2, angular speed ratio are 1:2.
The root radius ratio of the piston pitch radius and piston body is 1:2.
The piston body lobe height of teeth top and piston section radius ratio are 3:3.5.
The piston body lobe includes left half flank profil and right half flank profil, and cambered surface both ends are respectively at the top of the piston body lobe
B point and B' point；Two endvertex of curve notch is respectively A and A'；
The curve of the curve notch is the circle where B to B' circular arc on piston section and piston body lobe according to angular speed 2:
1 when rotating simultaneously, the point composition of projection of the B-B' circular arc on piston pitch circle；
When the A point of curve notch is passed through on the left half flank profil surface, A point and left half flank profil are at a fully engaged；
Right half flank profil be piston body root circle involute at.
It is symmetrical arranged on the piston body there are two the piston body lobe with curve notch cooperating, piston body rotates one
Zhou Shi, curve notch rotates two weeks and two piston body lobes respectively enter a curve notch.
It is symmetrical centered on two piston body lobes.
The utility model has the beneficial effect that the utility model structure is simple, and piston body and shell do not rub, effectively
Parts depreciation is reduced, is in addition driven using the power of low rotation speed large torque, to improve service life, is passed by gear drive band
The transmission of crankshaft of system piston compressor improves the efficiency of air compressor machine to reduce energy loss, and product can be used as multistage aerodynamic horse
Up to use, the efficiency of air motor can be effectively improved.
Four, Detailed description of the invention
Fig. 1 is that 2 structural schematic diagram of storehouse is driven in the utility model.
Fig. 2 is 3 structural schematic diagram of cylinder body in the utility model.
Fig. 3 is the structural schematic diagram of piston body lobe 10 and curve notch 11 in the utility model.
Fig. 4 is the structural schematic diagram that the utility model is used as three-stage air compressor.
Five, specific embodiment
1-4 makes brief description to specific embodiment of the present utility model with reference to the accompanying drawing.
A kind of curve rotary piston pump as shown in Figs. 1-3, including shell 1,1 tow sides of shell are symmetrically arranged with
It is driven storehouse 2 and cylinder body 3, is provided with intermeshing pinion gear 5 and gear wheel 4,4 centre bit of gear wheel in the transmission storehouse
It installs and is equipped with main shaft 6,5 center of pinion gear is provided with counter drive shaft 7；
Piston body 8 and piston section 9 are provided in the cylinder body 3, the 3 top surface two sides of cylinder body are respectively arranged with fluid inlet
12 and fluid outlet 13；
The piston body 8 passes through counter drive shaft by main shaft 6 and the coaxial electric shaft of gear wheel 4, the piston section 9
7 with the coaxial electric shaft of pinion gear 5, the excellent circle of the piston section 9 and the root circle of piston body 8 are tangent；
It is provided with curve notch 11 on the piston section 9, several and curve notch 11 is provided on the piston body 8 and is cooperated
The piston body lobe 10 of work；
The 10 top arc face of piston body lobe and 3 inner wall of cylinder body are at a fully engaged, circle at the top of the piston body lobe 10
Arc both ends and curve notch 11 are at a fully engaged；
The piston body lobe 10 moves to 3 inner space of rear-bank rotor housing in curve notch 11 and is divided into two independent skies
Between.
Gear ratio between the gear wheel 4 and pinion gear 5 is 2:1, modulus ratio 1:1；The gear wheel 4 and small tooth
Taking turns 5 pressure angles is 20 °；The gear wheel 4 and pinion gear 5 are spur gear wheel；Between the gear wheel 4 and pinion gear 5
Rotating ratio be 1:2, angular speed ratio be 1:2.
The root radius ratio of 9 radius of circle of piston section and piston body 8 is 1:2.
10 height of teeth top of piston body lobe and 9 radius ratio of piston section are 3:3.5.
The piston body lobe 10 includes half flank profil 14 of a left side and right half flank profil 15, the 10 top cambered surface two of piston body lobe
End is respectively B point and B' point；11 liang of endvertexes of the curve notch are respectively A and A'；
The curve of the curve notch 11 is the circle where B to B' circular arc on piston section 9 and piston body lobe 10 according to angle
When speed is 2:1 while rotating, the point composition of projection of the B-B' circular arc on the circle of piston section 9；
When the A point of curve notch 11 is passed through on left half flank profil, 14 surface, A point and 14 flank profil of left half flank profil are at a fully engaged；
Right half flank profil 15 be 8 root circle of piston body involute at.
Piston body lobe 10 there are two being symmetrical arranged on the piston body 8 with 11 cooperating of curve notch, piston body 8
When rotating a circle, curve notch 11 rotates two weeks, and two piston body lobes 10 respectively enter a curve notch 11.Two institutes
It states symmetrical centered on piston body lobe 10.
The course of work of this example: empty there are two piston body lobe 10 is symmetrical arranged at this time when using the utility model
Gas continues through fluid inlet 12 and enters inside cylinder body 3, and the main shaft 6 of gear wheel 4 is connected with motor, inputs kinetic energy, so
Gear wheel 4 drives pinion gear 5 to rotate together afterwards.Piston body 8 and piston section 9 in 2 other side cylinder body 3 of V belt translation storehouse simultaneously
Carry out pneumatically operated, the curve of curve notch 11 is that piston section 9 is pressed with the circle where B to B' circular arc on piston body lobe 10
When being 2:1 while rotating according to angular speed, the point composition of projection of the B-B' circular arc on the circle of piston section 9, it is ensured that piston body lobe 8 pushes up
It is just at a fully engaged with the curve of curve notch 11 when two terminal Bs of portion's circular arc and B' enter, to realize completely close
It closes, air pressurized, after piston body lobe 8 leaves curve notch 11, cylinder body 3 is discharged by fluid outlet 13 in the air after pressurization
Into subsequent work；In entire motion process, piston section 9 and pinion gear 5 are coaxial, and piston body 8 and gear wheel 4 are coaxial, one
In a period of motion, 10 arrival curve notch 11 of piston body lobe, 10 top arc of piston body lobe, two end can be completely and bent
The engagement of 11 curve of line notch, while the excellent circle of piston section 9 and the root circle of piston body 8 are tangent and roll, so in entire mistake
It does not rub in journey, while 10 top arc face of the piston body lobe and 3 inner wall of cylinder body are at a fully engaged, play sealing fluid
Effect.
Embodiment 1
As shown in figure 4, the utility model can be used as three-stage air compressor to carry out using in figure from left to right successively
It is formed by stage compressor, split-compressor and three-stage blower for the utility model of different size, at this time wherein first
Piston body 8, the piston section 9 of grade compressor are all coaxial transmissions, and the speed of every grade of piston section 9 is all identical, every grade of piston body 8
Speed is all identical,
The piston body 8 of stage compressor, the longitudinal length of piston section 9 are 3X, and the volume of cylinder body 3 is 3V,
The piston body 8 of split-compressor, the longitudinal length of piston section 9 are 2X, and the volume of cylinder body 3 is 2V,
The piston body 8 of three-stage blower, the longitudinal length of piston section 9 are 1X, and the volume of cylinder body 3 is 1V,
During entire step by step compression, the air of 3V volume becomes 2V volume into one stage of compression is crossed, and presses using 3 grades
Contracting volume becomes 1V, meanwhile, with the increase of revolving speed, the atmospheric pressure of output end can also be increased accordingly.
Embodiment 2
When the utility model function be inversely used as three-level air motor come using when:
Gas flow arrow direction shown in Fig. 4 completely on the contrary, and fluid inlet 12 and 13 position of fluid outlet it is anti-
Turn, by 12 outlet of fluid inlet, 13 air inlet of fluid outlet, right-to-left is followed successively by the utility model by different size from Fig. 4
It is formed by level-one air motor, second stage pneumatic motor and three-level air motor, piston body 8, the piston of first order air motor
Section 9 is all coaxial transmission, and the speed of every grade of piston section 9 is all identical, and the speed of every grade of piston body 8 is all identical.
The piston body 8 of level-one air motor, the longitudinal length of piston section 9 are 1X, and the volume of cylinder body 3 is 1V,
The piston body 8 of second stage pneumatic motor, the longitudinal length of piston section 9 are 2X, and the volume of cylinder body 3 is 2V,
The piston body 8 of three-level air motor, the longitudinal length of piston section 9 are 2X, and the volume of cylinder body 3 is 3V,
During entirely dilatation step by step, the air of 1V volume becomes 2V volume into level-one air motor is crossed, using
Three-level air motor volume becomes 3V, and the pressure of power gas is reduced with the increase of volume.But with piston body lobe
The increase of 10 longitudinal length, so the forced area of piston body lobe 10 increases, so every grade of pressure will not be reduced, also
The kinetic energy of grading extraction air, and when outlet, the pressure of gas can because volume increase, contained by the inside
Kinetic energy can reduce, and form so-called coaxial dilatation and be classified air motor.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should still belong within the patent covering scope of the utility model.
Claims (5)
1. a kind of curve rotary piston pump, including shell (1), shell (1) tow sides be symmetrically arranged with transmission storehouse (2) and
Cylinder body (3), it is characterised in that: be provided with intermeshing pinion gear (5) and gear wheel (4), the canine tooth in the transmission storehouse
Wheel (4) center is provided with main shaft (6), and pinion gear (5) center is provided with counter drive shaft (7)；
It is provided with piston body (8) and piston section (9) in the cylinder body (3), cylinder body (3) the top surface two sides are respectively arranged with fluid
Entrance (12) and fluid outlet (13)；
The piston body (8) is passed by main shaft (6) and gear wheel (4) coaxial electric shaft, the piston section (9) by secondary
Moving axis (7) and pinion gear (5) coaxial electric shaft, the excellent circle of the piston section (9) and the root circle of piston body (8) are tangent；
It is provided with curve notch (11) on the piston section (9), several and curve notch (11) is provided on the piston body (8)
The piston body lobe (10) of cooperating；
Piston body lobe (10) the top arc face and cylinder body (3) inner wall are at a fully engaged, at the top of the piston body lobe (10)
Circular arc both ends and curve notch (11) are at a fully engaged；
The piston body lobe (10) moves to curve notch (11) interior rear-bank rotor housing (3) inner space and is divided into two independent skies
Between.
2. a kind of curve rotary piston pump according to claim 1, it is characterised in that: the gear wheel (4) and pinion gear
(5) gear ratio between is 2:1, modulus ratio 1:1；The gear wheel (4) and pinion gear (5) pressure angle are 20 °；It is described big
Gear (4) and pinion gear (5) are spur gear wheel；Rotating ratio between the gear wheel (4) and pinion gear (5) is 1:2, angle
Speed ratio is 1:2.
3. a kind of curve rotary piston pump according to claim 1, it is characterised in that: piston section (9) radius of circle with
The root radius ratio of piston body (8) is 1:2.
4. a kind of curve rotary piston pump according to claim 1, it is characterised in that: piston body lobe (10) tooth top
High and piston section (9) radius ratio is 3:3.5.
5. a kind of curve rotary piston pump according to claim 1 to 4, it is characterised in that: the piston body lobe
(10) include left half flank profil (14) and right half flank profil (15), at the top of the piston body lobe (10) cambered surface both ends be respectively B point with
B' point；(11) two endvertex of curve notch is respectively A and A'；
The curve of the curve notch (11) be circle on piston section (9) and piston body lobe (10) where B to B' circular arc according to
When angular speed 2:1 is rotated simultaneously, the point of projection of the B-B' circular arc on piston section (9) circle is formed；
When the A point of curve notch (11) is passed through on left half flank profil (14) surface, A point is nibbled completely with left half flank profil (14) flank profil
It closes；
Right half flank profil (15) be piston body (8) root circle involute at.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821187317.0U CN209100260U (en) | 2018-07-24 | 2018-07-24 | A kind of curve rotary piston pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821187317.0U CN209100260U (en) | 2018-07-24 | 2018-07-24 | A kind of curve rotary piston pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209100260U true CN209100260U (en) | 2019-07-12 |
Family
ID=67150060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821187317.0U Active CN209100260U (en) | 2018-07-24 | 2018-07-24 | A kind of curve rotary piston pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209100260U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757449A (en) * | 2018-07-24 | 2018-11-06 | 佳音船务（天津）有限公司 | A kind of curve rotary piston pump |
-
2018
- 2018-07-24 CN CN201821187317.0U patent/CN209100260U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757449A (en) * | 2018-07-24 | 2018-11-06 | 佳音船务（天津）有限公司 | A kind of curve rotary piston pump |
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