CN201507446U - Channeling cavity-free oscillating type displacement pump - Google Patents
Channeling cavity-free oscillating type displacement pump Download PDFInfo
- Publication number
- CN201507446U CN201507446U CN2009201971888U CN200920197188U CN201507446U CN 201507446 U CN201507446 U CN 201507446U CN 2009201971888 U CN2009201971888 U CN 2009201971888U CN 200920197188 U CN200920197188 U CN 200920197188U CN 201507446 U CN201507446 U CN 201507446U
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- dividing plate
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Abstract
The present utility model relates to a channeling-cavity-free oscillating type displacement pump comprising a cylinder body (1) having cylindrical working inner cavity (A) and a rotor (2) positioned in the cylinder body (1), a rotary plug (3) and a follow-up partition board (4), the two sides of the follow-up partition board (4) are respectively opened with an input port (13) and an output port (14), the input port (13) is on the inner wall (11) of the cylindrical working inner cavity (A) of the cylinder body (1) and the output port (14) is on the inner end-face (12) of the cylindrical working inner cavity (A) of the cylinder body (1). Compared with the prior art, a contact line of the rotor and the inner wall of the cylinder body is just located on the central line of the follow-up partition board, before or after the critical line, the output port will be sealed by the inner end-face of the cylinder but is not together with the input port, and is simultaneously communicated with a same crescent cavity, instant cavity channeling can be prevented strictly, and furthermore, the oscillating displacement pump has smooth and steady working state, high efficiency and lower energy consumption.
Description
Technical field
The utility model relates to the technical field of displacement pump, especially relates to a kind of swinging-type positive displacement pump without fleeing between cavities.
Background technique
Displacement pump has been widely used in industrial departments such as chemical industry, metallurgy, electric power, papermaking, food, pharmacy, synthetic fiber, and traditional displacement pump is divided into reciprocating type and rotary type two big classes.Reciprocating volumetric pump, it mainly comprises cylinder body and piston rod, the motor driving piston rod movement, the fed sheet of a media (such as gas) in the compression cylinder then, its inertial force is difficult to balance, and vibration is big, and rotating speed is low, and volume is big, and working efficiency is not high yet.Another kind of rotarydisplacement pump, it mainly comprises the circle tube cylinder, the cylinder cap that are provided with import and export, is arranged on rotating rotor and transmission part in the cylinder body, wherein, fed sheet of a media (such as gas) enters from the import of cylinder body, drive through rotor rotated, export from the outlet of cylinder body then.As the patent No. is that the Chinese utility model patent " double fluid logical commutation type lobed rotor pump " of ZL200520023995.X (notification number is CN2789461Y) discloses so a kind of rotarydisplacement pump.But this rotarydisplacement pump wearing and tearing are big, energy consumption is higher, compression efficiency is on the low side and transmission speed is slower, especially for thick high concentration medium.
Thereby, a kind of rotor adopts the swinging-type positive displacement pump that brand-new swing mode turns round to be invented, and is the structure that the Chinese invention patent " kneading positive-displacement method of fluid machinery and structure thereof and purposes " of ZL200410102740.2 (notification number is CN100480488C) discloses a kind of swinging-type positive displacement pump as the patent No..
This kneading positive-displacement mechanism comprises a cylinder body (rubbing cavity) with cylindrical cavity, is arranged on rotor (rubbing wheel), cock and servo-actuated dividing plate in the cylinder body, wherein, the both sides that are positioned at the servo-actuated dividing plate on the inner circle wall of the cylindrical cavity of cylinder body are respectively arranged with entrance and exit, the relative cylinder body of rotor is eccentric to be provided with, form crescent shape transmission cavity volume between the madial wall of rotor and cylinder body, cock is spacing rotationally in cylinder body, and servo-actuated dividing plate one end is fixed on the rotor, and the other end runs through and crosses and be inserted in the loose slot of cylinder body from cock central authorities.During work, the relative inner chamber of cylinder block eccentric swing of rotor and contacting with the inner circle wall generation line of cylinder body, and will be from the medium of the inlet of cylinder body input through moon teeth cavity and step by step from the outlet output of cylinder body, the inlet in the cylinder body is separated by the servo-actuated dividing plate with outlet and only communicated respectively with month teeth cavity of Line of contact both sides.When rotor after teeth cavity is expressed into outlet the cylinder body from the moon with medium, rotor can move to the position of close cock immediately, at this moment, the servo-actuated dividing plate reaches in the loose slot that extend into cylinder body fully, and the Line of contact of rotor and cylinder body inner circle wall promptly is positioned on the center line of this servo-actuated dividing plate, moon teeth cavity in the cylinder body is not separated by the servo-actuated dividing plate and is in a state that communicates fully, but, owing to be positioned at the inlet of the both sides of servo-actuated dividing plate, outlet lays respectively on the cylindrical shape inner circle wall of cylinder body, and opening has certain width, simultaneously, rotor is that the cylindrical cavity off-centre of relative cylinder body is provided with, thereby the periphery wall of rotor can't be blocked inlet and outlet fully, inlet communicates by same month teeth cavity at this in an instant with outlet, and outlet port pressure medium height, the ingress pressure medium is low, and the medium back flow that certainly will cause the outlet port is to a month teeth cavity, and the medium that enters into moon teeth cavity can be back to the ingress, and Here it is, and moment is scurried the chamber.This problem also is the big disadvantage that swinging-type positive displacement pump exists always, and solution does not at present also improve.Existing swinging-type positive displacement pump, the every swing one-period of rotor will produce a moment to scurry the chamber, medium back flow, and make pressure medium difference reduce in ingress and outlet port, certainly will cause the working efficiency of displacement pump significantly to reduce, and energy consumption increase.
Summary of the invention
Technical problem to be solved in the utility model is that the present situation at prior art provides a kind of swinging-type positive displacement pump without fleeing between cavities that can effectively prevent to scurry the chamber phenomenon, its stable working, efficient height, and energy consumption is lower.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: this swinging-type positive displacement pump without fleeing between cavities, comprise cylinder body and be arranged on the interior rotor of cylinder body with cylindrical shape work inner chamber, cock and servo-actuated dividing plate, the both sides that are positioned at the servo-actuated dividing plate on the described cylinder body offer inlet opening and delivery outlet respectively, wherein, described inlet opening is opened on the inner circle wall of cylindrical shape work inner chamber of cylinder body, it is characterized in that: described delivery outlet is opened on the interior edge face of cylindrical shape work inner chamber of cylinder body, the position of described delivery outlet is subjected to following condition restriction: just be positioned under the location status of servo-actuated dividing plate center line to the Line of contact with the cylinder body inner circle wall in rotor rotation, the end face of rotor covers this delivery outlet fully, and, just be arranged under the edge location status of inlet opening away from the servo-actuated dividing plate to the Line of contact with the cylinder body inner circle wall in rotor rotation, this delivery outlet is about to be exposed to outside the end face of rotor.
Scurry in the swinging-type positive displacement pump of chamber at this, delivery outlet is positioned on the interior edge face of cylinder body, and can only come in contact with the end face of rotor, the inlet opening still only comes in contact with the outer circumferential face of rotor, so, when the Line of contact of the inner circle wall of the cylindrical shape work inner chamber of rotor and cylinder body is positioned on the center line of servo-actuated dividing plate, though the moon teeth cavity in the cylinder body communicates slightly with the inlet opening, but the delivery outlet complete closed that the end face of rotor will be positioned on the cylinder body interior edge face is lived, make delivery outlet not with the moon teeth cavity communicate, thereby the phenomenon that can avoid moment to scurry the chamber fully takes place, and strictness prevents the moment backflow of medium in moon teeth cavity.
As further improvement, described inlet opening can be extended with one and stretch into portion on the interior edge face of the cylindrical shape work inner chamber of cylinder body, thereby enlarges the input area of inlet opening, accelerates the input speed of medium.
Described delivery outlet can lead to the outer circumferential face of cylinder body at last, also can directly lead to the exterior edge face of cylinder body as the crow flies;
When delivery outlet leads to the outer circumferential face of cylinder body, can be provided with two not connected cylindrical shape work inner chambers with tangent plane symmetrically in the described cylinder body perpendicular to the cylinder body axis, and, be provided with a T type hole in the described cylinder body, the two ends of this lateral part, T type hole respectively be positioned at two cylindrical shape work inner chambers within delivery outlet on the end face be connected, and the vertical part in this T type hole passes on the outer circumferential face of cylinder body; So, have two months teeths cavity altogether with transmission medium in the cylinder body, improved the utilization ratio of cylinder body, the parts running is also more steady.
The above-mentioned technical problem that the utility model proposes for solution, seal the mode of delivery outlet in the technological scheme one by rotor end-face, also can change the mode of rotor end-face sealing inlet opening into, concrete technological scheme two is: this swinging-type positive displacement pump without fleeing between cavities, comprise cylinder body and be arranged on the interior rotor of cylinder body with cylindrical shape work inner chamber, cock and servo-actuated dividing plate, the both sides that are positioned at the servo-actuated dividing plate on the described cylinder body offer inlet opening and delivery outlet respectively, wherein, described delivery outlet is opened on the inner circle wall of cylindrical shape work inner chamber of cylinder body, it is characterized in that: described inlet opening is opened on the interior edge face of cylindrical shape work inner chamber of cylinder body, the position of described inlet opening is subjected to following condition restriction: just be positioned under the location status of servo-actuated dividing plate center line to the Line of contact with the cylinder body inner circle wall in rotor rotation, the end face of rotor covers this inlet opening fully, and, just be arranged under the edge location status of delivery outlet away from the servo-actuated dividing plate to the Line of contact with the cylinder body inner circle wall in rotor rotation, this inlet opening is about to be exposed to outside the end face of rotor.Its working principle is as technological scheme one, and the technical program two can reach too avoids moment to scurry the purpose in chamber.
Described cock and the set-up mode of servo-actuated dividing plate in cylinder body can have two kinds, first kind: described cock is spacing rotationally in cylinder body, first end of described servo-actuated dividing plate links to each other with described rotor, and second end passes the penetration hole of cock and is inserted in the cylinder body movably;
Second kind: described cock is spacing rotationally in rotor, and described servo-actuated dividing plate first end is inserted in the cylinder body, and second end passes the penetration hole of cock and is inserted in the rotor movably.
Compared with prior art, advantage of the present utility model is: change by delivery outlet on the interior edge face that is located at cylinder body, make swinging-type positive displacement pump when work, just be positioned at the position of center line of servo-actuated dividing plate at the Line of contact of rotor and cylinder body inner circle wall, the front and back of this critical line, delivery outlet can be by the interior edge face of cylinder body sealing and can be with the inlet opening, communicate with same month teeth cavity simultaneously, strictness has been stopped moment and has been scurried the generation of chamber phenomenon, and, this swinging-type positive displacement pump stable working, efficient height, energy consumption is lower.Swinging-type positive displacement pump of the present utility model may be used within the various compressors.
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation;
Fig. 2 is the structural representation of cylinder body among the utility model embodiment;
The structural representation that Fig. 3 sees from the top for Fig. 2;
Fig. 4 is the partial cross sectional views of Fig. 2;
The structural representation that Fig. 5 sees from another angle for Fig. 4.
Embodiment
Embodiment describes in further detail model utility below in conjunction with accompanying drawing.
As Fig. 1～shown in Figure 5, this swinging-type positive displacement pump without fleeing between cavities, include cylinder body 1, be set side by side with two not connected cylindrical shape work inner chamber A, B along its axis in the cylinder body 1, the internal structure of these two cylindrical shape work inner chamber A, B is identical and be that the center is symmetrical set with the tangent plane perpendicular to cylinder body 1 axis;
Wherein, be provided with rotor 2, cock 3 and servo-actuated dividing plate 4 in each cylindrical shape work inner chamber of cylinder body 1;
Be example with one of them cylindrical shape work inner chamber A below, describe its internal structure:
The servo-actuated dividing plate loose slot 19 that offers cock containing groove 18 in the described cylinder body 1 and communicate with cock containing groove 18, described cock 3 activities are engaged in this cock containing groove 18 and can rotate relative to cylinder body 1, first end 41 of described servo-actuated dividing plate 4 links to each other with described rotor 2 by bearing pin 5, second end 42 pass cock 3 central authorities and relatively cylinder body 1 be inserted into versatilely in the servo-actuated dividing plate loose slot 19;
On the described cylinder body 1, the both sides that are positioned at servo-actuated dividing plate 4 offer inlet opening 13 and delivery outlet 14 respectively, described inlet opening 13 is opened on the inner circle wall 11 of corresponding cylindrical shape work inner chamber A of cylinder body 1, and inlet opening 13 also is extended with one and stretches into the 13a of portion on the interior edge face 12 of cylindrical shape work inner chamber A, and the inlet opening 13 in each cylindrical shape work inner chamber is opened in the outer circumferential face 17 that straight hole 16 on the cylinder body 1 leads to cylinder body 1 by one jointly;
And described delivery outlet 14 is opened on the interior edge face 12 of corresponding cylindrical shape work inner chamber A of cylinder body 1 (being dotted portion in Fig. 1), the position of described delivery outlet 14 is subjected to following condition restriction: the Line of contact that turns to cylinder body 1 inner circle wall 11 at rotor 2 just is positioned under the location status of servo-actuated dividing plate 4 center lines, the end face of rotor 2 covers this delivery outlet 14 fully, and, the Line of contact that turns to cylinder body 1 inner circle wall 11 at rotor 2 just is arranged under the edge location status of inlet opening 13 away from servo-actuated dividing plate 4, and this delivery outlet 14 is about to be exposed to outside the end face of rotor 2;
And, be provided with a T type hole 15 in the described cylinder body 1, the two ends of this T type hole 15 lateral part 15a respectively be positioned at two cylindrical shape work inner chamber A, B within delivery outlet on the end face be connected, and the vertical part 15b in this T type hole 15 passes on the outer circumferential face 17 of cylinder body 1, thereby makes the delivery outlet 14 final outer circumferential faces 17 that lead to cylinder body 1 by this L type hole 15.
Claims (4)
1. swinging-type positive displacement pump without fleeing between cavities, comprise cylinder body (1) and be arranged on the interior rotor (2) of cylinder body (1) with cylindrical shape work inner chamber (A), cock (3) and servo-actuated dividing plate (4), the both sides that are positioned at servo-actuated dividing plate (4) on the described cylinder body (1) offer inlet opening (13) and delivery outlet (14) respectively, wherein, described inlet opening (13) is opened on the inner circle wall (11) of cylindrical shape work inner chamber (A) of cylinder body (1), it is characterized in that: described delivery outlet (14) is opened on the interior edge face (12) of cylindrical shape work inner chamber (A) of cylinder body (1), the position of described delivery outlet (14) is subjected to following condition restriction: the Line of contact that turns to cylinder body (1) inner circle wall (11) at rotor (2) just is positioned under the location status of servo-actuated dividing plate (4) center line, the end face of rotor (2) covers this delivery outlet (14) fully, and, the Line of contact that turns to cylinder body (1) inner circle wall (11) at rotor (2) just is arranged under the edge location status of inlet opening (13) away from servo-actuated dividing plate (4), and this delivery outlet (14) is about to be exposed to outside the end face of rotor (2).
2. swinging-type positive displacement pump without fleeing between cavities according to claim 1 is characterized in that: described inlet opening (14) are extended with one and stretch into portion (13a) on the interior edge face (12) of the cylindrical shape work inner chamber (A) of cylinder body (1).
3. swinging-type positive displacement pump without fleeing between cavities according to claim 1 and 2, it is characterized in that: in the described cylinder body (1), be the center, be provided with two not connected cylindrical shape work inner chambers (A, B) symmetrically with tangent plane perpendicular to cylinder body (1) axis, and, be provided with a T type hole (15) in the described cylinder body (1), the two ends of this lateral part, T type hole (15) (15a) respectively be positioned at two cylindrical shape work inner chambers (A, B) within delivery outlet on the end face be connected, and the vertical part (15b) in this T type hole (15) passes on the outer circumferential face (17) of cylinder body (1).
4. swinging-type positive displacement pump without fleeing between cavities, comprise cylinder body and be arranged on the interior rotor of cylinder body with cylindrical shape work inner chamber, cock and servo-actuated dividing plate, the both sides that are positioned at the servo-actuated dividing plate on the described cylinder body offer inlet opening and delivery outlet respectively, wherein, described delivery outlet is opened on the inner circle wall of cylindrical shape work inner chamber of cylinder body, it is characterized in that: described inlet opening is opened on the interior edge face of cylindrical shape work inner chamber of cylinder body, the position of described inlet opening is subjected to following condition restriction: just be positioned under the location status of servo-actuated dividing plate center line to the Line of contact with the cylinder body inner circle wall in rotor rotation, the end face of rotor covers this inlet opening fully, and, just be arranged under the edge location status of delivery outlet away from the servo-actuated dividing plate to the Line of contact with the cylinder body inner circle wall in rotor rotation, this inlet opening is about to be exposed to outside the end face of rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201971888U CN201507446U (en) | 2009-09-23 | 2009-09-23 | Channeling cavity-free oscillating type displacement pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201971888U CN201507446U (en) | 2009-09-23 | 2009-09-23 | Channeling cavity-free oscillating type displacement pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201507446U true CN201507446U (en) | 2010-06-16 |
Family
ID=42468573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201971888U Expired - Lifetime CN201507446U (en) | 2009-09-23 | 2009-09-23 | Channeling cavity-free oscillating type displacement pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201507446U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666313B (en) * | 2009-09-23 | 2013-08-28 | 宁波特懿动力科技有限公司 | Swinging-type positive displacement pump without fleeing between cavities |
| WO2017185936A1 (en) * | 2016-04-28 | 2017-11-02 | 河北盛多威泵业制造有限公司 | Water pump, connection structure between pump body and rotor, rotor, side plate, damper, and nozzle |
-
2009
- 2009-09-23 CN CN2009201971888U patent/CN201507446U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666313B (en) * | 2009-09-23 | 2013-08-28 | 宁波特懿动力科技有限公司 | Swinging-type positive displacement pump without fleeing between cavities |
| WO2017185936A1 (en) * | 2016-04-28 | 2017-11-02 | 河北盛多威泵业制造有限公司 | Water pump, connection structure between pump body and rotor, rotor, side plate, damper, and nozzle |
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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: 20100616 Effective date of abandoning: 20090923 |
|
| RGAV | Abandon patent right to avoid regrant |