CN205154569U - Non - round gear drive's diaphragm pump - Google Patents
Non - round gear drive's diaphragm pump Download PDFInfo
- Publication number
- CN205154569U CN205154569U CN201520924124.9U CN201520924124U CN205154569U CN 205154569 U CN205154569 U CN 205154569U CN 201520924124 U CN201520924124 U CN 201520924124U CN 205154569 U CN205154569 U CN 205154569U
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- China
- Prior art keywords
- diaphragm pump
- oval
- cam
- shaped groove
- axle
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Abstract
The utility model discloses a non - round gear drive's diaphragm pump belongs to pump technical field, need not the structural feature of movive seal through utilizing the diaphragm pump, solves conventional pump and exists and reveal and problem that current diaphragm pump utilized the slider -crank structure to have the knee effect, can carry various corrosive liquids, takes the liquid of granule, the high viscosity, volatile, easily fire, hypertoxic liquid. When volatile and corrosive medium, can not cause environmental pollution and harm personal safety. Utilize the non -circular gear cooperation to eliminate the knee effect of slider -crank structure. The diaphragm does not have rotary part, and the trafficability characteristic can be good, allows to reach 10 millimeters through the largest particles diameter. And the liquid of being carried does not have shear flow, and the wearing and tearing of diaphragm pump self parts are little, and is little to the transported substance damage, can carry mud and life entity like little fry and so on.
Description
Technical field
The utility model belongs to pump technical field, relates to a kind of displacement pump, is specifically related to a kind of diaphragm pump of non-circular gear drive.
Background technique
Mostly existing common water pump is to utilize propeller cavitation drive liquid or utilize atmospheric pressure to carry out, and common water pump necessarily has motive sealing, and seal style has packing seal and mechanical seal.All inevitably there is leakage in two kinds of sealings, just packing seal is leaked larger, and mechanical seal leakage is smaller.But diaphragm pump is a kind of Novel conveyer tool, can completely No leakage ground fed sheet of a media, enter pump intake to being discharged delivery side of pump from medium, pump structure design on there is no motive sealing, separated by barrier film between medium and air.
Existing diaphragm pump the rotation function of power source is converted into pull bar move around kinetic energy time, often adopt crank block structure, but there is flex point in crank block structure, when crank block structure is in flex point, the minimum of kinetic energy of slide block and close to zero, cause the power of diaphragm pump sharply to decline.
Summary of the invention
According to above the deficiencies in the prior art, technical problem to be solved in the utility model is the diaphragm pump proposing a kind of non-circular gear drive, by utilizing diaphragm pump without the need to the structural feature of motive sealing, solve conventional pumps and there is the problem revealed, various corrosive liquids can be carried, with the liquid of particle, high viscosity, volatile, inflammable, hypertoxic liquid.When volatile and Korrosionsmedium, environmental pollution and harm personal safety can not be caused.Utilize noncircular gear to coordinate and eliminate slide crank block structured knee effect.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of diaphragm pump of non-circular gear drive, described diaphragm pump comprises the transmission case be connected with power source, is arranged on the pump housing above transmission case, is arranged on the axle in transmission case, be arranged on the pull bar on transmission case top, the lower end of pull bar is provided with fluting and the through hole perpendicular to fluting; The described pump housing comprises lower cover, and lower cover upper end is provided with upper cover, is provided with diaphragm body in the inner chamber that upper cover and lower cover are formed; Described axle is provided with the first elliptic gear, the through hole of pull bar lower end is provided with latch, described latch is provided with the second elliptic gear coordinated with the first elliptic gear, the modulus of described second elliptic gear and pressure angle are equal with pressure angle with the modulus that the first elliptic gear engages respectively, the basic circle of the first elliptic gear and the second elliptic gear is all oval, and the major axis of ellipse is 82mm, oval minor axis is 76mm.
Described axle is provided with bearing, and bearing is fastened in transmission case, and one end of axle is stretched out transmission case and is connected with power source; The part surface of axle in transmission case is provided with keyway.The plane that the axis of described axle and the axis being parallel of latch and the axis of the axis of axle and latch are formed and horizontal plane.Described axle is also provided with the first cam, and described latch is provided with the second cam.Between described first cam and the second cam, relative one side is provided with oval-shaped groove, and the major axis of described oval-shaped groove is 82mm, and minor axis is 76mm.The longer axis parallel of the major axis of the oval-shaped groove on described first cam and the basic circle of the first elliptic gear, the longer axis parallel of the major axis of the oval-shaped groove on described second cam and the basic circle of the second elliptic gear.The cross section of described oval-shaped groove is rectangular, and the oval-shaped groove on described first cam is connected by rolling element with between the oval-shaped groove on the second cam.Described rolling element is cylindrical body, and the two ends of rolling element are inserted in the oval-shaped groove on the first cam and the oval-shaped groove on the second cam respectively.
The utility model beneficial effect is: the diaphragm pump of non-circular gear drive is a kind of Novel conveyer tool, can be used to pump the medium that kind of conventional pumps can not be aspirated, such as can carry various corrosive liquids, the liquid of band particle, high viscosity, volatile, inflammable, hypertoxic liquid.Diaphragm pump is spacious without shaft seal, No leakage, runner, when volatile and Korrosionsmedium, can not cause environmental pollution and harm personal safety.And utilize noncircular gear cooperation to eliminate slide crank block structured knee effect.
Barrier film is parts without spin, good by performance, allow to reach 10 millimeters by the largest particles diameter.And the liquid shear-free flow be transferred moves, diaphragm pump self component wear is little, little to transported substance damage, and mud and life entity can be carried as hatching and so on.
Accompanying drawing explanation
Below the content expressed by this Figure of description and the mark in figure are briefly described:
Fig. 1 is the structural representation of the diaphragm pump of embodiment non-circular gear drive of the present utility model;
Fig. 2 is the sectional view of the pump housing of the diaphragm pump of embodiment non-circular gear drive of the present utility model;
In figure 1, transmission case, 2, axle, the 3, first elliptic gear, the 4, second elliptic gear, 5, pull bar, 6, latch, the 7, second cam, 8, rolling element, the 9, first cam, 10, the pump housing.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, embodiment of the present utility model is as the effect of the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part and working principle, manufacturing process and operation using method etc., be described in further detail, have more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present utility model, technological scheme.
As shown in Figure 1, 2, a kind of diaphragm pump of non-circular gear drive, comprises the transmission case 1 be connected with power source and the pump housing 10 be arranged on above transmission case 1.Be provided with axle 2 in transmission case 1, axle 2 is provided with bearing, and bearing is fastened in transmission case 1.One end of axle 2 is stretched out transmission case 1 and is connected with power source.The part surface of axle 2 in transmission case 1 is provided with keyway, and transmission case 1 top is provided with pull bar 5, and the lower end of pull bar 5 is provided with fluting and the through hole perpendicular to fluting.
The described pump housing 10 comprises lower cover, and lower cover upper end is provided with upper cover, is provided with diaphragm body in the inner chamber that upper cover and lower cover are formed; The periphery of diaphragm body and the internal surface of lower cover are tightly connected.Lower cover bottom is provided with water intake, and water intake is provided with intake pipe, water intake is also provided with the 3rd one-way valve.Upper cover top is provided with water outlet, and water outlet is provided with outlet pipe, and water outlet is also provided with the first one-way valve.The communication direction of described 3rd one-way valve is the inner chamber formed by the export-oriented upper cover of water intake and lower cover; The communication direction of described first one-way valve is that the inner chamber that formed of upper cover and lower cover is to outside water outlet.Described diaphragm body is provided with the second one-way valve, and the communication direction of described second one-way valve is the top that bottom that upper cover and lower cover form inner chamber leads to that upper cover and lower cover form inner chamber.
Described axle 2 is provided with the first elliptic gear 3, the through hole of pull bar 5 lower end is provided with latch 6, described latch 6 is provided with the second elliptic gear 4, the modulus that the modulus of described second elliptic gear 4 and pressure angle engage with the first elliptic gear 3 is respectively equal with pressure angle, and namely the first elliptic gear 3 and the second elliptic gear 4 engage each other.The basic circle of the first elliptic gear 3 and the second elliptic gear 4 is all oval, and the major axis of ellipse is 82mm, and oval minor axis is 76mm.In the process of the first elliptic gear 3 and the engagement of the second elliptic gear 4, pushing drawing rod 5 moves upward; Pull bar 5 moves downward, and needs to rely on Action of Gravity Field.In order to the stroke making pull bar 5 move up and down equals the difference of the value of transverse and the value of ellipse short shaft, be 6mm, the plane that the axis of described axle 2 and the axis being parallel of latch 6 and the axis of the axis of axle 2 and latch 6 are formed and horizontal plane.
When the power of the diaphragm pump of non-circular gear drive is larger, the uncontrollable pull bar 5 of gravity is only relied on to move downward; Move downward to reliably control pull bar 5, described axle 2 is provided with the first cam 9, described latch 6 is provided with the second cam 7, between first cam 9 and the second cam 7, relative one side is provided with oval-shaped groove, the major axis of described oval-shaped groove is 82mm, minor axis is 76mm, the longer axis parallel of the major axis of the oval-shaped groove on described first cam 9 and the basic circle of the first elliptic gear 3, the longer axis parallel of the major axis of the oval-shaped groove on described second cam 7 and the basic circle of the second elliptic gear 4.The cross section of oval-shaped groove is rectangular, and the oval-shaped groove on described first cam 9 is connected by rolling element 8 with between the oval-shaped groove on the second cam 7.Described rolling element 8 is cylindrical body, and the two ends of rolling element 8 are inserted in the oval-shaped groove on the first cam 9 and the oval-shaped groove on the second cam 7 respectively.
By reference to the accompanying drawings the utility model is exemplarily described above; obvious the utility model specific implementation is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technological scheme is carried out; or design of the present utility model and technological scheme directly applied to other occasion, all within protection domain of the present utility model without to improve.The protection domain that protection domain of the present utility model should limit with claims is as the criterion.
Claims (8)
1. the diaphragm pump of a non-circular gear drive, it is characterized in that: described diaphragm pump comprises the transmission case (1) be connected with power source, be arranged on the pump housing (10) of transmission case (1) top, be arranged on the axle (2) in transmission case (1), be arranged on the pull bar (5) on transmission case (1) top, the lower end of pull bar (5) is provided with fluting and the through hole perpendicular to fluting; The described pump housing (10) comprises lower cover, and lower cover upper end is provided with upper cover, is provided with diaphragm body in the inner chamber that upper cover and lower cover are formed; Described axle (2) is provided with the first elliptic gear (3), the through hole of pull bar (5) lower end is provided with latch (6), described latch (6) is provided with the second elliptic gear (4) coordinated with the first elliptic gear (3), the modulus that the modulus of described second elliptic gear (4) and pressure angle engage with the first elliptic gear (3) is respectively equal with pressure angle, the basic circle of the first elliptic gear (3) and the second elliptic gear (4) is all oval, and the major axis of ellipse is 82mm, oval minor axis is 76mm.
2. the diaphragm pump of non-circular gear drive according to claim 1, it is characterized in that: described axle (2) is provided with bearing, bearing is fastened in transmission case (1), and one end of axle (2) is stretched out transmission case (1) and is connected with power source; The part surface of axle (2) in transmission case (1) is provided with keyway.
3. the diaphragm pump of non-circular gear drive according to claim 1, is characterized in that: the plane that the axis of described axle (2) and the axis being parallel of latch (6) and the axis of the axis of axle (2) and latch (6) are formed and horizontal plane.
4. the diaphragm pump of non-circular gear drive according to claim 3, it is characterized in that: described axle (2) is also provided with the first cam (9), described latch (6) is provided with the second cam (7).
5. the diaphragm pump of non-circular gear drive according to claim 4, it is characterized in that: between described first cam (9) and the second cam (7), relative one side is provided with oval-shaped groove, the major axis of described oval-shaped groove is 82mm, and minor axis is 76mm.
6. the diaphragm pump of non-circular gear drive according to claim 4, it is characterized in that: the longer axis parallel of the major axis of the oval-shaped groove on described first cam (9) and the basic circle of the first elliptic gear (3), the longer axis parallel of the major axis of the oval-shaped groove on described second cam (7) and the basic circle of the second elliptic gear (4).
7. the diaphragm pump of non-circular gear drive according to claim 4, it is characterized in that: the cross section of described oval-shaped groove is rectangular, the oval-shaped groove on described first cam (9) is connected by rolling element (8) with between the oval-shaped groove on the second cam (7).
8. the diaphragm pump of non-circular gear drive according to claim 7, it is characterized in that: described rolling element (8) is cylindrical body, the two ends of rolling element (8) are inserted in the oval-shaped groove on the first cam (9) and the oval-shaped groove on the second cam (7) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520924124.9U CN205154569U (en) | 2015-11-18 | 2015-11-18 | Non - round gear drive's diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520924124.9U CN205154569U (en) | 2015-11-18 | 2015-11-18 | Non - round gear drive's diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205154569U true CN205154569U (en) | 2016-04-13 |
Family
ID=55690272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520924124.9U Expired - Fee Related CN205154569U (en) | 2015-11-18 | 2015-11-18 | Non - round gear drive's diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205154569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351175A (en) * | 2015-11-18 | 2016-02-24 | 安徽工程大学 | Non-circular gear drive diaphragm pump |
-
2015
- 2015-11-18 CN CN201520924124.9U patent/CN205154569U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351175A (en) * | 2015-11-18 | 2016-02-24 | 安徽工程大学 | Non-circular gear drive diaphragm pump |
| CN105351175B (en) * | 2015-11-18 | 2018-01-23 | 安徽工程大学 | A kind of membrane pump of non-circular gear drive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20161118 |