CN202493394U - Reciprocating vacuum water pump - Google Patents
Reciprocating vacuum water pump Download PDFInfo
- Publication number
- CN202493394U CN202493394U CN2012201256596U CN201220125659U CN202493394U CN 202493394 U CN202493394 U CN 202493394U CN 2012201256596 U CN2012201256596 U CN 2012201256596U CN 201220125659 U CN201220125659 U CN 201220125659U CN 202493394 U CN202493394 U CN 202493394U
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- Prior art keywords
- cylinder
- cylinders
- outlet pipe
- sides
- bent axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 2
- 230000007812 deficiency Effects 0.000 description 2
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Abstract
The utility model discloses a reciprocating vacuum water pump, which comprises a crank case (1), a crank shaft (2) and three cylinders (3), wherein the three cylinders (3) are positioned on the same plane and arranged in a shape like a Chinese character 'shan', the crank shaft (2) is provided with three inflection points which are positioned on the same plane, and a piston rod (4) of each cylinder (3) is connected with the inflection point of the crank shaft (2); the bottom of the cylinder (3) in the middle is communicated with the tops of the cylinders (3) on the two sides through a pipeline (5), the tops of the cylinders (3) on the two sides are communicated with an air inlet pipe (6) and an air outlet pipe (7) respectively, the pipeline (5), the air inlet pipe (6) and the air outlet pipe (7) are all provided with a gas one-way valve (8), and the passing directions of the gas one-way valves (8) are the same. The utility model has the advantages of, suction is strong, sustainable working ability is strong, the vibration is little and the noise is low.
Description
Technical field
The utility model relates to a kind of reciprocating type vacuum pump.
Background technique
Traditional reciprocating type vacuum pump adopts a cylinder to extract and exhaust, and cylinder balance when operation is not strong, causes pump housing vibration easily, produces big noise.The reciprocating type vacuum pump of single cylinder is very high to the tightness requirement of cylinder, as long as cylinder takes place by slight the leakage, the situation of suction deficiency will occur, causes the efficient of pump to reduce significantly.
The model utility content
The purpose of the utility model promptly is to overcome the deficiency of existing technology, and the reciprocating type vacuum pump that strong, the sustainable ability to work of a kind of suction is strong, vibration is little and noise is low is provided.
The purpose of the utility model realizes through following technological scheme:
Reciprocating type vacuum pump, it comprises crankcase, bent axle and three cylinders, three cylinders are positioned at same plane and are " mountain " font to be arranged; Bent axle is arranged in crankcase; Bent axle is provided with three flex points, and three flex points are positioned at same plane, and the piston rod of cylinder is connected with the flex point of bent axle;
The bottom of the cylinder in the middle of being positioned at is communicated with through pipeline with the top of the cylinder that is positioned at both sides, and the top that is positioned at the cylinder on both sides is communicated with suction tude and steam outlet pipe respectively.
All be provided with the gas unidirectional valve on pipeline, suction tude and the steam outlet pipe, the direction of passage of gas unidirectional valve is identical.
The advantage of the utility model is:
1. three cylinders are worked simultaneously, and suction is strong;
2. owing to be that three cylinders are worked simultaneously, after a cylinder leaked, two other cylinder also can guarantee the proper functioning of pump, and sustainable ability to work is strong;
3. three cylinders are reciprocating in same plane, and balance is good, vibrate for a short time, and noise is low.
Description of drawings
Fig. 1 is the structural representation of the utility model
Among the figure, 1-crankcase, 2-bent axle, 3-cylinder, 4-piston rod, 5-pipeline, 6-suction tude, 7-steam outlet pipe, 8-gas unidirectional valve.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further, the protection domain of the utility model is not limited to the following stated.
As shown in Figure 1; Reciprocating type vacuum pump, it comprises that crankcase 1, bent axle 2 and 3, three cylinders 3 of three cylinders are positioned at same plane and are the arrangement of " mountain " font; Bent axle 2 is arranged in crankcase 1; Bent axle 2 is provided with three flex points, and three flex points are positioned at same plane, and the piston rod 4 of cylinder 3 is connected with the flex point of bent axle 2; The bottom of the cylinder 3 in the middle of being positioned at is communicated with through pipeline 5 with the top of the cylinder that is positioned at both sides 3; The top that is positioned at the cylinder 3 on both sides is communicated with suction tude 6 and steam outlet pipe 7 respectively; All be provided with gas unidirectional valve 8 on pipeline 5, suction tude 6 and the steam outlet pipe 7; The direction of passage of gas unidirectional valve 8 is identical, and the direction of passage of gas unidirectional valve 8 points to steam outlet pipe 7 directions.
The working principle of the utility model is: bent axle 2 drives cylinder 3 work; The piston that is arranged in the cylinder 3 on both sides moves down; When the piston of the cylinder 3 in the middle of being arranged in moved up, the rodless cavity volume that is positioned at the cylinder 3 on both sides became big, and it is big that the rod chamber volume of the cylinder 3 in the middle of being positioned at becomes; Gas gets into cylinder 3 through suction tude 6, and little of gas is discharged through steam outlet pipe; The piston that is arranged in the cylinder 3 on both sides moves up; When the piston of the cylinder 3 in the middle of being arranged in moves down; Be positioned at the rodless cavity smaller volume of the cylinder 3 on both sides, the rod chamber smaller volume of the cylinder 3 in the middle of being positioned at, the gas in the cylinder 3 is compressed; Under the effect of gas unidirectional valve 8, gas is only discharged from steam outlet pipe 7.
Claims (2)
1. reciprocating type vacuum pump; It is characterized in that: it comprises crankcase (1), bent axle (2) and three cylinders (3); Three cylinders (3) are positioned at same plane and are " mountain " font to be arranged, and bent axle (2) is arranged in crankcase (1), and bent axle (2) is provided with three flex points; Three flex points are positioned at same plane, and the piston rod (4) of cylinder (3) is connected with the flex point of bent axle (2);
The bottom of the cylinder (3) in the middle of being positioned at is communicated with through pipeline (5) with the top of the cylinder that is positioned at both sides (3), and the top that is positioned at the cylinder (3) on both sides is communicated with suction tude (6) and steam outlet pipe (7) respectively.
2. reciprocating type vacuum pump according to claim 1 is characterized in that: all be provided with gas unidirectional valve (8) on described pipeline (5), suction tude (6) and the steam outlet pipe (7), the direction of passage of gas unidirectional valve (8) is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201256596U CN202493394U (en) | 2012-03-29 | 2012-03-29 | Reciprocating vacuum water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201256596U CN202493394U (en) | 2012-03-29 | 2012-03-29 | Reciprocating vacuum water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202493394U true CN202493394U (en) | 2012-10-17 |
Family
ID=46999626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201256596U Expired - Fee Related CN202493394U (en) | 2012-03-29 | 2012-03-29 | Reciprocating vacuum water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202493394U (en) |
-
2012
- 2012-03-29 CN CN2012201256596U patent/CN202493394U/en not_active Expired - Fee Related
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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: 20121017 Termination date: 20210329 |