CN220909963U - Four-head series vacuum diaphragm pump - Google Patents
Four-head series vacuum diaphragm pump Download PDFInfo
- Publication number
- CN220909963U CN220909963U CN202321828514.7U CN202321828514U CN220909963U CN 220909963 U CN220909963 U CN 220909963U CN 202321828514 U CN202321828514 U CN 202321828514U CN 220909963 U CN220909963 U CN 220909963U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- head
- air
- connecting rod
- air outlet
- 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.)
- Active
Links
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 3
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a four-head serial vacuum diaphragm pump, which comprises a pair of base bodies and a driving piece, wherein the middle parts of the base bodies are respectively connected with output shafts at two ends of the driving piece, two ends of the base bodies are respectively provided with a pump head, each pump head is provided with an air inlet and an air outlet, and the air inlets are respectively a first air inlet, a first air outlet, a second air inlet, a second air outlet, a third air inlet, a third air outlet, a fourth air inlet and a fourth air outlet. The utility model does not need a plurality of complex pipeline connections, and is simple and convenient to use; the pressure flow is large, and the space utilization rate is high.
Description
Technical Field
The utility model relates to the technical field of diaphragm pumps, in particular to a four-head serial vacuum diaphragm pump.
Background
The vacuum diaphragm pump is a small instrument for pumping gas, which has an air inlet and an air outlet, wherein the air inlet is provided with negative pressure (namely vacuum) through the reciprocating motion of an internal diaphragm, the air outlet is provided with weak positive pressure, and the working medium is mainly gas.
In the prior art, the four-head pump is characterized in that the air inlet and the air outlet of the pump are connected through the external pipeline, so that the negative pressure of each pump head is overlapped to achieve the effect of larger negative pressure, but the complicated pipeline connection is needed, and additional installation and debugging work is needed, so that the complexity of the system is increased, and meanwhile, the design and maintenance of the pipeline connection also need additional cost, and a larger space is needed to accommodate the whole system.
Disclosure of Invention
According to an embodiment of the present utility model, there is provided a four-head serial vacuum diaphragm pump, including a pair of base bodies and a driving member, the middle parts of the pair of base bodies are respectively connected with output shafts at two ends of the driving member, two ends of the base body are respectively provided with a pump head, each pump head is provided with an air inlet and an air outlet, which are respectively a first air inlet, a first air outlet, a second air inlet, a second air outlet, a third air inlet, a third air outlet, a fourth air inlet and a fourth air outlet, and further including: the connecting assembly is connected with the air inlet and the air outlet of each pump head in series.
Further, the connection assembly comprises:
The two ends of the first connecting pipe are respectively connected with the first air outlet and the second air inlet;
the two ends of the second connecting pipe are respectively connected with the second air outlet and the third air inlet;
And two ends of the third connecting pipe are respectively connected with the third air outlet and the fourth air inlet.
Further, the driving member is a double-headed motor.
Further, the second air outlet and the third air inlet are arranged oppositely.
Further, a pair of connecting rod assemblies and a pair of diaphragms are arranged in the base;
One end of each connecting rod assembly is sleeved on the output shaft one by one;
the pair of diaphragms are respectively arranged at the other ends of the pair of connecting rod assemblies;
the driving piece drives the connecting rod assembly to rotate, so that the diaphragm is driven to move the compressed air up and down.
Further, the connecting rod assembly includes: eccentric wheel and connecting rod;
The eccentric wheel is sleeved on the output shaft;
one end of the connecting rod is sleeved on the eccentric wheel, and the other end of the connecting rod is connected with the diaphragm;
The driving piece drives the eccentric wheel to rotate, thereby driving the connecting rod and the diaphragm to move the compressed air up and down.
Further, the connecting rod assembly further comprises: the balancing weight is sleeved on the eccentric wheel.
Further, the eccentric wheel in the first seat body and the eccentric wheel in the second seat body are opposite in eccentric direction.
According to the four-head serial vacuum diaphragm pump provided by the embodiment of the utility model, a plurality of complicated pipeline connections are not needed, and the use is simple and convenient; the pressure flow is large, and the space utilization rate is high.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the technology claimed.
Drawings
FIG. 1 is a schematic diagram of a four-head tandem vacuum diaphragm pump according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an air inlet and an air outlet of a vacuum diaphragm pump with four ends connected in series according to an embodiment of the utility model;
Fig. 3 is a cross-sectional view of a four-head tandem vacuum diaphragm pump according to an embodiment of the present utility model.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings, which further illustrate the present utility model.
Firstly, a four-head serial vacuum diaphragm pump according to an embodiment of the present utility model will be described with reference to fig. 1 to 3, and is used for gas sampling, gas circulation, vacuum adsorption, accelerated filtration, etc., and the application scenario thereof is wide.
As shown in fig. 1 to 3, the four-head serial vacuum diaphragm pump according to the embodiment of the present utility model includes a pair of base bodies 1, a driving member 2 and a connecting assembly.
Specifically, as shown in fig. 1 to 3, in this embodiment, the middle parts of a pair of seat bodies 1 are respectively connected with output shafts at two ends of a driving member 2, the driving member 2 is a double-headed motor, two ends are driven simultaneously, no additional driving member 2 is needed, space reason rate is high, two ends of the seat bodies 1 are respectively provided with a pump head, each pump head is provided with an air inlet and an air outlet, the air inlets are respectively a first air inlet a1, a first air outlet a2, a second air inlet b1, a second air outlet b2, a third air inlet c1, a third air outlet c2, a fourth air inlet d1 and a fourth air outlet d2, the first air inlet a1 is a total air inlet, the fourth air outlet d2 is a total air outlet, the connecting component is sequentially connected with the rest of each pump head in series, only one air inlet and one air outlet are reserved for the four pump heads finally in such a mode, and the pressure of the pump is maximized in such a connecting mode.
Further, as shown in fig. 2, in the present embodiment, the connection assembly includes: a first connection pipe (not shown in the figure), both ends of which are connected to the first air outlet a2 and the second air inlet b1, respectively; a second connection pipe (not shown in the drawing), both ends of which are connected to the second air outlet b2 and the third air inlet c1, respectively; and the two ends of the third connecting pipe are respectively connected with the third air outlet c2 and the fourth air inlet d1, and the maximization of pressure and flow is realized in a serial connection mode, the pressure can reach-98 to-100 Kpa, and the connecting pipe can be a hose, so that the connecting pipe is convenient to detach and replace and is convenient to use.
Further, as shown in fig. 2, in this embodiment, the second air outlet b2 and the third air inlet c1 are disposed opposite to each other, so that the connection distance is ensured to be shortest, pipelines are saved, and meanwhile, the connection fixing effect is good.
Further, as shown in fig. 3, in the present embodiment, a pair of link assemblies and a pair of diaphragms 3 are provided in the housing 1; one end of each connecting rod assembly is sleeved on the output shaft one by one; a pair of diaphragms 3 are respectively installed at the other ends of the pair of link assemblies; the driving piece 2 drives the connecting rod assembly to rotate, so that the diaphragm 3 is driven to move compressed air up and down, and air compression is realized.
Further, as shown in fig. 3, in the present embodiment, the link assembly includes: eccentric 4 and connecting rod 5; the eccentric wheel 4 is sleeved on the output shaft; one end of a connecting rod 5 is sleeved on the eccentric wheel 4, and the other end is connected with the diaphragm 3; the driving piece 2 drives the eccentric wheel 4 to rotate, so that the connecting rod 5 and the diaphragm 3 are driven to move the compressed air up and down. The design of the linkage assembly enables the diaphragm 3 to move compressed air up and down at a high frequency, which can produce a greater amount of air flow. Meanwhile, the vibration of the connecting rod assembly can disperse the vibration and noise of the pump relative to the conventional direct driving manner. This helps to reduce pump operating noise, improves comfort of use, and reduces interference with the surrounding environment.
Further, as shown in fig. 3, in the present embodiment, the link assembly further includes: the balancing weight 6, balancing weight 6 cup joints on eccentric wheel 4. Can balance vibration, reduce mechanical stress and improve the stability and efficiency of the pump.
Further, as shown in fig. 3, the eccentric 4 in the first housing 1 and the eccentric 4 in the second housing 1 are opposite in eccentric direction, resonance can be reduced, and the overall movement of the pump can be reduced.
As shown in fig. 1-3, four pumps are connected in series, wherein the four pumps have four pump heads and 8 interfaces, and each pump head corresponds to two interfaces, namely a first pump head a, a first air inlet a1 and a first air outlet a2; a second pump head b, a second air inlet b1 and a second air outlet b2; a third pump head c, a third air inlet c1 and a third air outlet c2; a fourth pump head d, a fourth air inlet d1 and a fourth air outlet d2; the first air inlet a1 is a total air inlet, the first air outlet a2 is connected with the second air inlet b1, the second air outlet b2 is connected with the third air inlet c1, the third air outlet c2 is connected with the fourth air inlet d1, and the fourth air outlet d2 is a total air outlet; the air flow enters from the first air inlet a1, the connecting rod 5 corresponding to the first pump head a moves downwards to generate negative pressure air suction, when the connecting rod 5 corresponding to the first pump head a moves upwards, the first pump head a generates positive pressure air discharge, meanwhile, the connecting rod 5 corresponding to the second pump head b moves upwards, the second pump head b sucks air in negative pressure, and the second air inlet b1 just receives the air discharged from the first air outlet a2; when the connecting rod 5 corresponding to the second pump head b moves downwards, positive pressure is discharged from the second pump head b, gas enters the third air inlet c1 from the second air outlet b2, meanwhile, the connecting rod 5 corresponding to the third pump head c moves upwards, the third pump head c generates negative pressure just requiring air suction, positive pressure is discharged when the connecting rod 5 corresponding to the third pump head c moves downwards, gas enters the fourth air inlet d1 from the third air outlet c2, the connecting rod 5 corresponding to the fourth pump head d moves downwards at the moment, the fourth pump head d is just in a negative pressure air suction state, and when the connecting rod 5 moves upwards again, the gas is discharged through the fourth air outlet d 2. The collision among air flows is not counteracted in each link, so that the generated negative pressure is the maximum of the serial pumps, and the pressure can reach-98 to-100 Kpa.
In the above, the four-head serial vacuum diaphragm pump according to the embodiment of the utility model is described with reference to fig. 1 to 3, and is simple and convenient to use without a plurality of complicated pipeline connections; the pressure flow is large, and the space utilization rate is high.
It should be noted that in this specification the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
While the present utility model has been described in detail through the foregoing description of the preferred embodiment, it should be understood that the foregoing description is not to be considered as limiting the utility model. Many modifications and substitutions of the present utility model will become apparent to those of ordinary skill in the art upon reading the foregoing. Accordingly, the scope of the utility model should be limited only by the attached claims.
Claims (8)
1. The utility model provides a vacuum diaphragm pump of four-head series connection, contains a pair of pedestal and driving piece, the middle part of a pair of pedestal respectively with the output shaft at driving piece both ends links to each other, the both ends of pedestal respectively are equipped with a pump head, every the pump head all is equipped with air inlet and gas outlet, is first air inlet, first gas outlet, second air inlet, second gas outlet, third air inlet, third gas outlet, fourth air inlet and fourth gas outlet respectively, its characterized in that still contains: the connecting assembly is connected with the air inlet and the air outlet of each pump head in series in sequence.
2. The four-head tandem vacuum diaphragm pump of claim 1 wherein said connection assembly comprises:
the two ends of the first connecting pipe are respectively connected with the first air outlet and the second air inlet;
the two ends of the second connecting pipe are respectively connected with the second air outlet and the third air inlet;
and two ends of the third connecting pipe are respectively connected with the third air outlet and the fourth air inlet.
3. A four-head tandem vacuum diaphragm pump according to claim 1 or 2, wherein the driving member is a double-headed motor.
4. A four-head tandem vacuum diaphragm pump according to claim 1 or 2, wherein said second air outlet and said third air inlet are disposed opposite to each other.
5. The four-head tandem vacuum diaphragm pump of claim 1, wherein a pair of connecting rod assemblies and a pair of diaphragms are provided in the housing;
One end of the pair of connecting rod assemblies is sleeved on the output shaft one by one respectively;
the pair of diaphragms are respectively arranged at the other ends of the pair of connecting rod assemblies;
the driving piece drives the connecting rod assembly to rotate, so that the diaphragm is driven to move up and down to compress air.
6. The four-head tandem vacuum diaphragm pump of claim 5, wherein said linkage assembly comprises: eccentric wheel and connecting rod;
The eccentric wheel is sleeved on the output shaft;
one end of the connecting rod is sleeved on the eccentric wheel, and the other end of the connecting rod is connected with the diaphragm;
The driving piece drives the eccentric wheel to rotate, so that the connecting rod and the diaphragm are driven to move up and down to compress air.
7. The four-head tandem vacuum diaphragm pump of claim 6, wherein said linkage assembly further comprises: the balancing weight is sleeved on the eccentric wheel.
8. The four-head tandem vacuum diaphragm pump of claim 6, wherein the eccentric in said first housing and the eccentric in said second housing are offset in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321828514.7U CN220909963U (en) | 2023-07-12 | 2023-07-12 | Four-head series vacuum diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321828514.7U CN220909963U (en) | 2023-07-12 | 2023-07-12 | Four-head series vacuum diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220909963U true CN220909963U (en) | 2024-05-07 |
Family
ID=90916251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321828514.7U Active CN220909963U (en) | 2023-07-12 | 2023-07-12 | Four-head series vacuum diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220909963U (en) |
-
2023
- 2023-07-12 CN CN202321828514.7U patent/CN220909963U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101100988B (en) | Piston pump | |
| CN101801749B (en) | Motor-pump aggregate | |
| US20090016917A1 (en) | Compact Dual Rocking Piston Pump with Reduced Number of Parts | |
| US11639713B2 (en) | Mechanically driven modular diaphragm pump | |
| US10851894B2 (en) | Compressor assembly for a compressed-air feed of a compressed-air supply system | |
| CN220909963U (en) | Four-head series vacuum diaphragm pump | |
| CN112283081A (en) | Piezoelectric resonance pump with telescopic cavity | |
| US20080304980A1 (en) | Compressor Vibration Isolation Mount and Method of Use | |
| CN220955985U (en) | Middle inlet double-head parallel pump | |
| JP2007524026A (en) | Hybrid perturbation pump | |
| CN209724657U (en) | A kind of oil-free oscillating-chip air compressor machine and a kind of device | |
| CN220909956U (en) | Double-head parallel pump | |
| CN212803537U (en) | Double-diaphragm vacuum pump for vehicle | |
| CN209800218U (en) | Double-vibrator low-noise compressor | |
| CN220909958U (en) | Four-head series-parallel micropump | |
| CN220337041U (en) | Base structure of four-cylinder compressor for oxygenerator | |
| CN110630480A (en) | Multipurpose diaphragm pump capable of adapting to various working conditions and mounting mode thereof | |
| CN210889324U (en) | Compressor and air conditioner | |
| CN118148892A (en) | Reverse flow damping vibration isolation diaphragm pump | |
| CN221053884U (en) | Piston impeller parallel sectional air pump | |
| CN215370185U (en) | Diaphragm pump liquid conveying unit | |
| CN109915374A (en) | A kind of oil-free oscillating-chip air compressor machine and a kind of device | |
| CN213016721U (en) | Novel diaphragm pump | |
| CN220522740U (en) | Double-head pump | |
| CN112302904B (en) | Vibration reduction support base and miniature gas pressure generating device integrated with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |