CN204024964U - A kind of vertical reciprocating type vacuum pump - Google Patents
A kind of vertical reciprocating type vacuum pump Download PDFInfo
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- CN204024964U CN204024964U CN201420407753.XU CN201420407753U CN204024964U CN 204024964 U CN204024964 U CN 204024964U CN 201420407753 U CN201420407753 U CN 201420407753U CN 204024964 U CN204024964 U CN 204024964U
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Abstract
The utility model provides a kind of vertical reciprocating type vacuum pump, belongs to pumping equipment technical field.It solve the problem that the gas in existing vertical reciprocating type vacuum pump exhaust cavity cannot be discharged completely.This vertical reciprocating type vacuum pump, pump housing two ends are fixedly connected with upper end cap and lower end cap respectively, upper end cap is provided with sucking pipe and upper outlet pipe, lower end cap is provided with lower sucking pipe and lower outlet pipe, upper end cap has at least two air intake passages one be connected with upper sucking pipe and at least two exhaust passages one be connected with upper outlet pipe, lower end cap has at least two air intake passages two be connected with lower sucking pipe and at least two exhaust passages two be connected with lower outlet pipe, Aspirating valves is provided with in each air intake passage one and air intake passage two, outlet valve is provided with in each exhaust passage one and exhaust passage two.This vertical reciprocating type vacuum pump, by the control of multiple Aspirating valves and outlet valve, improves vertical reciprocating type vacuum pump performance.
Description
Technical field
The utility model belongs to pumping equipment technical field, relates to a kind of vertical reciprocating type vacuum pump.
Background technique
Reciprocating vacuum pump is also known as piston type vacuum pump, and it relies on the piston reciprocates in cylinder to suck with Exhaust Gas.Reciprocating vacuum pump. there are horizontal and vertical two classes.At present conventional is vertical piston vacuum pump, piston vacuum pump have again single cylinder and twin-tub point, the structure of its outlet valve has fixing valve type and free valve type.Reciprocating vacuum pump is widely used in the production processes such as oil, chemical industry, medical treatment, metallurgy, papermaking, food.Such as, vacuum takes out material, vacuum evaporation, Vacuum Concentration, vacuum outgas etc.
Such as, Chinese patent [application number 01231826.4; Authorization Notice No. CN2510647Y] disclosed a kind of special reciprocating vacuum pump, four coupling bars on support and nut is anchored on by equal angles, by at the bottom of cylinder, cylinder block, cylinder head be vertically fixed on support successively, the piston of cylinder block inner chamber is connected with linking mechanism by running through the piston rod of center hole at the bottom of cylinder, outside piston circle is sealed with guide ring and cylinder block inner round wall mutually by the piston ring made of composite material, and can pump wherein.Cylinder head is circular, be provided with exhaust cavity, and appropriate location is provided with upper air-vent on the right side of it wherein, upper outlet valve is by top bolt end fixed thereon, on the left of it, opposite position is provided with air aspiration cavity, and appropriate location is provided with suction port wherein, and upper Aspirating valves is by top bolt end fixed thereon.Be circular at the bottom of cylinder, lower exhaust cavity is provided with on the right side of it, and appropriate location is provided with lower exhaust port wherein, lower outlet valve is fixed on its lower end by top bolt, on the left of it, opposite position is provided with lower air aspiration cavity, and appropriate location is provided with lower suction port wherein, and lower Aspirating valves is fixed on its lower end by top bolt, be provided with round tube hole in central position, be provided with the connection keyhole being mutually the distribution of an angle of 90 degrees degree in its outside.
Above-mentioned special reciprocating vacuum pump Problems existing is: the gentle cylinder bottom of cylinder head is all arranged an Aspirating valves and an outlet valve, the spring force of Aspirating valves and outlet valve is larger, in the working procedure of vacuum pump, the pressure of air-breathing and exhaust and tolerance are changes.When vacuum pump rate of air sucked in required is relatively less, the head pressure after gas compression is not enough to overcome spring force completely and backs down exhaust valve plate completely, the gas in exhaust cavity cannot be discharged completely.When vacuum pump intake pressure is lower, the pressure of suction port cannot overcome spring force completely and Aspirating valves be opened completely, is difficult to like this ensure that air-inlet cavity has enough gas to enter.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of vertical reciprocating type vacuum pump, and the technical problem that the utility model solves is under different barometric information, how to make vacuum pump more effectively air-breathing and exhaust.
The purpose of this utility model realizes by following technical proposal: a kind of vertical reciprocating type vacuum pump, described vacuum pump comprises the pump housing, piston is provided with in the pump chamber of the described pump housing, described piston is connected with driving mechanism by piston rod, described pump housing two ends are fixedly connected with upper end cap and lower end cap respectively, described upper end cap is provided with sucking pipe and upper outlet pipe, described lower end cap is provided with lower sucking pipe and lower outlet pipe, it is characterized in that, described upper end cap has at least two air intake passages one be connected with upper sucking pipe and at least two exhaust passages one be connected with upper outlet pipe, described lower end cap has at least two air intake passages two be connected with lower sucking pipe and at least two exhaust passages two be connected with lower outlet pipe, Aspirating valves is provided with in each described air intake passage one and air intake passage two, outlet valve is provided with in each described exhaust passage one and exhaust passage two.
This vertical reciprocating type vacuum pump arranges multiple air intake passage one and exhaust passage one on upper end cap, arranges multiple air intake passage two and exhaust passage two at lower end cap.In the course of the work, driving mechanism drives piston to move up and down in pump chamber to this vertical reciprocating type vacuum pump, and pump chamber is separated into two independently chambers by piston, and chamber corresponding to piston movement direction is exhaust cavity, and another chamber is air aspiration cavity.During piston movement, the outlet valve in exhaust cavity opens exhaust, and air-breathing opened by the Aspirating valves in air aspiration cavity, thus is extracted out by the medium in object space, forms vacuum environment.The quantity that Aspirating valves and outlet valve are opened is relevant with actual operating conditions, vacuum pump is under High Voltage state during air-breathing, and along with the air pressure in exhaust cavity is comparatively large, multiple outlet valve opens exhaust simultaneously, until all outlet valves are all opened, make the medium in exhaust cavity can rapid deflation.Meanwhile, the pressure of corresponding air aspiration cavity is lower, and the quantity that Aspirating valves is opened can change according to the change of pressure size, makes air aspiration cavity can air-breathing smoothly.When the degree of vacuum of vacuum environment is lower, vacuum pump works under low pressure state, as long as the Aspirating valves in the outlet valve in exhaust cavity and air aspiration cavity has one to open respectively, suction and discharge action can be completed, thus ensure the state all reaching complete air-breathing and exhaust in exhaust cavity and air aspiration cavity.This vertical reciprocating type vacuum pump, by the automatic control of multiple Aspirating valves and outlet valve, effectively regulates air inflow and the air displacement of vacuum pump, improves the performance of vertical reciprocating type vacuum pump under low pressure and High Voltage operating conditions.
In above-mentioned vertical reciprocating type vacuum pump, one end that described upper sucking pipe is connected with air intake passage one has air-breathing valve bonnet one, and one end that described upper outlet pipe is connected with exhaust passage one has and is vented valve bonnet one; One end that described lower sucking pipe is connected with air intake passage two has air-breathing valve bonnet two, and one end that described lower outlet pipe is connected with exhaust passage two has and is vented valve bonnet two.By independently air-breathing valve bonnet one, exhaust valve bonnet one, air-breathing valve bonnet two and exhaust valve bonnet two, connect more reliable, install more convenient.
In above-mentioned vertical reciprocating type vacuum pump, described air-breathing valve bonnet one and exhaust valve bonnet one are fixedly connected on upper end cap respectively by bolt; Described air-breathing valve bonnet two and exhaust valve bonnet two are fixedly connected on lower end cap respectively by bolt.Air-breathing valve bonnet one and exhaust valve bonnet one are sealed by Sealing and upper end cap, and air-breathing valve bonnet two and exhaust valve bonnet two-way cross Sealing and lower end cap seals, and ensure that the sealing of joint
As preferably, in above-mentioned vertical reciprocating type vacuum pump, described upper end cap is rounded, and described air intake passage one and exhaust passage one are along the circumferential direction distributed on upper end cap; Described lower end cap is rounded, and described air intake passage two and exhaust passage two are along the circumferential direction distributed on lower end cap.The space that such distribution mode takies is less, avoids when installing other component and interferes.
As preferably, in above-mentioned vertical reciprocating type vacuum pump, the quantity of described air intake passage one and exhaust passage one is 5; The quantity of described air intake passage two and exhaust passage two is 5.
In above-mentioned vertical reciprocating type vacuum pump, described upper sucking pipe is all connected with air suction main with lower sucking pipe, and described upper outlet pipe is all connected with exhaust manifold with lower outlet pipe, and described air suction main and exhaust manifold are three-way pipe.Air suction main is connected with object space, and exhaust manifold is connected with the external world, the medium in object space is extracted into the degree of vacuum that the external world makes object space reach required.
In above-mentioned vertical reciprocating type vacuum pump, described Aspirating valves comprises intake valve body, described intake valve body has suction port, described valve body is bolted supporting element one, described intake valve body is provided with moving plate one at suction port between inner and supporting element, be provided with between described intake valve body and moving plate one can make moving plate one against and seal the Returnning spring one of suction port.Be negative pressure in air aspiration cavity, the medium of air aspiration cavity outside acts on moving plate one, and the spring force making moving plate one overcome Returnning spring one moves in pump chamber along supporting element one, and supporting element one departs from suction port, and medium enters air aspiration cavity from suction port.
In above-mentioned vertical reciprocating type vacuum pump, described outlet valve comprises exhaust valve, described exhaust valve has exhaust port, described valve body is bolted supporting element two, described exhaust valve is provided with moving plate two between the fast outer end of exhaust and supporting element, be provided with between described exhaust valve and moving plate two can make moving plate two against and seal the Returnning spring two of exhaust port.Air pressure in exhaust cavity is greater than ambient pressure, and the medium in exhaust cavity acts on moving plate two, and the spring force making moving plate two overcome Returnning spring two moves outside pump chamber along supporting element two, and supporting element two departs from exhaust port, and medium is discharged by exhaust port.
As preferably, in above-mentioned vertical reciprocating type vacuum pump, the inner side surface of described upper end cap has the attached layer one of engineering plastics, and the attached layer one of above-mentioned engineering plastics extends on air intake passage one and exhaust passage one inwall; The inner side surface of described lower end cap has the attached layer two of engineering plastics, and the attached layer two of engineering plastics of described lower end cap extends on air intake passage two and exhaust passage two inwall.Engineering plastics cover the position of upper end cap and lower end cap and medium contact, avoid the air intake passage two on the air intake passage one on upper end cap and upper end cap, exhaust passage one and lower end cap and lower end cap, exhaust passage two, be corroded and be damaged, causing dielectric leakage.
As preferred further, in above-mentioned vertical reciprocating type vacuum pump, described upper end cap outer side surface has near air intake passage one and position, exhaust passage one step surface caved inward, and the attached layer of described engineering plastics one extends on above-mentioned step surface; Described lower end cap outer side surface has near air intake passage two and position, exhaust passage two step surface caved inward, and the attached layer of described engineering plastics two extends on above-mentioned step surface.Improve sealing and the decay resistance of link position.
Compared with prior art, the advantage of this vertical reciprocating type vacuum pump is:
1, this vertical reciprocating type vacuum pump is by the control of multiple Aspirating valves and outlet valve, effectively automatically regulates air inflow and the air displacement of vacuum pump, improves the performance of vertical reciprocating type vacuum pump under low pressure and High Voltage operating conditions.
2, this vertical reciprocating type vacuum pump passes through independently air-breathing valve bonnet one, exhaust valve bonnet one, air-breathing valve bonnet two and exhaust valve bonnet two, easy for installation.Further, the good seal performance of joint.
3, this vertical reciprocating type vacuum pump covers the position of upper end cap and lower end cap and medium contact by engineering plastics, avoid the air intake passage two on the air intake passage one on upper end cap and upper end cap, exhaust passage one and lower end cap and lower end cap, exhaust passage two, the better tightness of link position, further, improve the decay resistance of vertical reciprocating type vacuum pump.
Accompanying drawing explanation
Fig. 1 is the perspective view of this vertical reciprocating type vacuum pump.
Fig. 2 is the sectional structure schematic diagram of this vertical reciprocating type vacuum pump.
Fig. 3 is the sectional structure schematic diagram of this vertical reciprocating type vacuum pump pump body mounting structure.
Fig. 4 is the structural representation at A place in Fig. 2.
Fig. 5 is the structural representation at B place in Fig. 2.
Fig. 6 is the perspective view of this vertical reciprocating type vacuum pump pump housing.
Fig. 7 is the perspective view of another angle of this vertical reciprocating type vacuum pump pump housing.
In figure, 1, the pump housing; 2, piston; 3, driving mechanism; 4, upper end cap; 41, air intake passage one; 42, exhaust passage one; 43, the attached layer one of engineering plastics; 5, lower end cap; 51, air intake passage two; 52, exhaust passage two; 53, the attached layer two of engineering plastics; 6, upper sucking pipe; 7, upper outlet pipe; 8, lower sucking pipe; 9, lower outlet pipe; 10, Aspirating valves; 101, intake valve body; 102, suction port; 103, supporting element one; 104, moving plate one; 105, Returnning spring one; 11, outlet valve; 111, exhaust valve; 112, exhaust port; 113, supporting element two; 114, moving plate two; 115, Returnning spring two; 12, air-breathing valve bonnet one; 13, valve bonnet one is vented; 14, air-breathing valve bonnet two; 15, valve bonnet two is vented; 16, air suction main; 17, exhaust manifold; 18, piston rod.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one:
This vertical reciprocating type vacuum pump comprises the pump housing 1, piston 2, piston rod 18, upper end cap 4, lower end cap 5, upper sucking pipe 6, upper outlet pipe 7, lower sucking pipe 8, lower outlet pipe 9, air intake passage 1, exhaust passage 1, air intake passage 2 51, exhaust passage 2 52, Aspirating valves 10 and outlet valve 11.
Specifically, as depicted in figs. 1 and 2, piston 2 is arranged in the pump chamber of the pump housing 1, and piston 2 is connected with driving mechanism 3 by piston rod 18, and upper end cap 4 and lower end cap 5 are respectively by the two ends being bolted to the pump housing 1.As shown in Figure 6 and Figure 7, upper sucking pipe 6 and upper outlet pipe 7 are all arranged on upper end cap 4, and lower sucking pipe 8 and lower outlet pipe 9 are all arranged on lower end cap 5.Upper sucking pipe 6 is all connected with air suction main 16 with lower sucking pipe 8, and upper outlet pipe 7 is all connected with exhaust manifold 17 with lower outlet pipe 9, and air suction main 16 and exhaust manifold 17 are three-way pipe.Air suction main 16 is connected with object space, and exhaust manifold 17 is connected with the external world, the medium in object space is extracted into the degree of vacuum that the external world makes object space reach required.
As shown in Fig. 1, Fig. 6 and Fig. 7, upper end cap 4 has at least two air intake passages 1 be connected with upper sucking pipe 6 and at least two exhaust passages 1 be connected with upper outlet pipe 7, and lower end cap 5 has at least two air intake passages 2 51 be connected with lower sucking pipe 8 and at least two exhaust passages 2 52 be connected with lower outlet pipe 9.As shown in Fig. 2, Fig. 3 and Fig. 6, in the present embodiment, the quantity of air intake passage 1 and exhaust passage 1 is 5; The quantity of air intake passage 2 51 and exhaust passage 2 52 is 5.Be provided with Aspirating valves 10 in each air intake passage 1 and air intake passage 2 51, in each exhaust passage 1 and exhaust passage 2 52, be provided with outlet valve 11.Preferably, upper end cap 4 and lower end cap 5 all rounded, air intake passage 1 and exhaust passage 1 are along the circumferential direction distributed on upper end cap 4, and air intake passage 2 51 and exhaust passage 2 52 are along the circumferential direction distributed on lower end cap 5.The space that such distribution mode takies is less, avoids when installing other component and interferes.
As shown in Fig. 1, Fig. 6 and Fig. 7, one end that upper sucking pipe 6 is connected with air intake passage 1 has air-breathing valve bonnet 1, and one end that upper outlet pipe 7 is connected with exhaust passage 1 has and is vented valve bonnet 1; One end that lower sucking pipe 8 is connected with air intake passage 2 51 has air-breathing valve bonnet 2 14, and one end that lower outlet pipe 9 is connected with exhaust passage 2 52 has and is vented valve bonnet 2 15.Air-breathing valve bonnet 1 and exhaust valve bonnet 1 are fixedly connected on upper end cap 4 respectively by bolt, and air-breathing valve bonnet 2 14 and exhaust valve bonnet 2 15 are fixedly connected on lower end cap 5 respectively by bolt.
As shown in Figure 4, Aspirating valves 10 comprises intake valve body 101, air valve body has suction port 102, valve body is bolted supporting element 1, intake valve body 101 is provided with moving plate 1 at suction port 102 between inner and supporting element 1, be provided with between intake valve body 101 and moving plate 1 can make moving plate 1 against and seal the Returnning spring 1 of suction port 102.Be negative pressure in air aspiration cavity, the medium of air aspiration cavity outside acts on moving plate 1, the spring force making moving plate 1 overcome Returnning spring 1 moves in pump chamber along supporting element 1, and supporting element 1 departs from suction port 102, and medium enters air aspiration cavity from suction port 102.As shown in Figure 5, outlet valve 11 comprises exhaust valve 111, exhaust valve 111 has exhaust port 112, valve body is bolted supporting element 2 113, exhaust valve 111 is provided with moving plate 2 114 between the fast outer end of exhaust and supporting element 2 113, be provided with between exhaust valve 111 and moving plate 2 114 can make moving plate 2 114 against and seal the Returnning spring 2 115 of exhaust port 112.Air pressure in exhaust cavity is greater than ambient pressure, medium in exhaust cavity acts on moving plate 2 114, the spring force making moving plate 2 114 overcome Returnning spring 2 115 moves outside pump chamber along supporting element 2 113, and supporting element 2 113 departs from exhaust port 112, and medium is discharged by exhaust port 112.
The working principle of this vertical reciprocating type vacuum pump is: this vertical reciprocating type vacuum pump in the course of the work, driving mechanism 3 drives piston 2 to move up and down in pump chamber, pump chamber is separated into two independently chambers by piston 2, chamber corresponding to piston movement direction is exhaust cavity, and another chamber is air aspiration cavity.When piston 2 moves, the outlet valve 11 in exhaust cavity opens exhaust, and air-breathing opened by the Aspirating valves 10 in air aspiration cavity, thus is extracted out by the medium in object space, forms vacuum environment.The quantity that Aspirating valves 10 is opened with outlet valve 11 is relevant with actual operating conditions, vacuum pump is under High Voltage state during air-breathing, and along with the air pressure in exhaust cavity is comparatively large, multiple outlet valve 11 opens exhaust simultaneously, until all outlet valves 11 are all opened, make the medium in exhaust cavity can rapid deflation.Meanwhile, the pressure of corresponding air aspiration cavity is lower, and the quantity that Aspirating valves 10 is opened can change according to the change of pressure size, makes air aspiration cavity can air-breathing smoothly.When the degree of vacuum of vacuum environment is lower, vacuum pump works under low pressure state, as long as the Aspirating valves 10 in the outlet valve in exhaust cavity 11 and air aspiration cavity has one to open respectively, suction and discharge action can be completed, thus ensure the state all reaching complete air-breathing and exhaust in exhaust cavity and air aspiration cavity.
Embodiment two:
Technological scheme in the present embodiment is substantially identical with the technological scheme in embodiment one, difference is, in the present embodiment, as shown in Figures 2 and 3, the inner side surface of upper end cap 4 has the attached layer 1 of engineering plastics, and the attached layer 1 of engineering plastics extends on air intake passage 1 and exhaust passage 1 inwall; The inner side surface of lower end cap 5 has the attached layer 2 53 of engineering plastics, and the attached layer 2 53 of engineering plastics of lower end cap 5 extends on air intake passage 2 51 and exhaust passage 2 52 inwall.Engineering plastics cover the position of upper end cap 4 and lower end cap 5 and medium contact, avoid the air intake passage 2 51 on the air intake passage 1 on upper end cap 4 and upper end cap 4, exhaust passage 1 and lower end cap 5 and lower end cap 5, exhaust passage 2 52, be corroded and be damaged, causing dielectric leakage.Preferably, upper end cap 4 outer side surface has near air intake passage 1 and position, exhaust passage 1 step surface caved inward, and the attached layer 1 of engineering plastics extends on step surface; Lower end cap 5 outer side surface has near air intake passage 2 51 and position, exhaust passage 2 52 step surface caved inward, and the attached layer 2 53 of engineering plastics extends on step surface.Improve sealing and the decay resistance of link position.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the pump housing 1 herein, piston 2, driving mechanism 3, upper end cap 4, air intake passage 1, exhaust passage 1, the attached layer 1 of engineering plastics, lower end cap 5, air intake passage 2 51, exhaust passage 2 52, the attached layer 2 53 of engineering plastics, upper sucking pipe 6, upper outlet pipe 7, lower sucking pipe 8, lower outlet pipe 9, Aspirating valves 10, intake valve body 101, suction port 102, supporting element 1, moving plate 1, Returnning spring 1, outlet valve 11, exhaust valve 111, exhaust port 112, supporting element 2 113, moving plate 2 114, Returnning spring 2 115, air-breathing valve bonnet 1, exhaust valve bonnet 1, air-breathing valve bonnet 2 14, exhaust valve bonnet 2 15, air suction main 16, exhaust manifold 17, term such as piston rod 18 grade, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (10)
1. a vertical reciprocating type vacuum pump, described vacuum pump comprises the pump housing (1), piston (2) is provided with in the pump chamber of the described pump housing (1), described piston (2) is connected with driving mechanism (3) by piston rod (18), the described pump housing (1) two ends are fixedly connected with upper end cap (4) and lower end cap (5) respectively, described upper end cap (4) is provided with sucking pipe (6) and upper outlet pipe (7), described lower end cap (5) is provided with lower sucking pipe (8) and lower outlet pipe (9), it is characterized in that, described upper end cap (4) has at least two air intake passages one (41) be connected with upper sucking pipe (6) and at least two exhaust passages one (42) be connected with upper outlet pipe (7), described lower end cap (5) has at least two air intake passages two (51) be connected with lower sucking pipe (8) and at least two exhaust passages two (52) be connected with lower outlet pipe (9), Aspirating valves (10) is provided with in each described air intake passage one (41) and air intake passage two (51), outlet valve (11) is provided with in each described exhaust passage one (42) and exhaust passage two (52).
2. vertical reciprocating type vacuum pump according to claim 1, it is characterized in that, one end that described upper sucking pipe (6) is connected with air intake passage one (41) has air-breathing valve bonnet one (12), and one end that described upper outlet pipe (7) is connected with exhaust passage one (42) has and is vented valve bonnet one (13); One end that described lower sucking pipe (8) is connected with air intake passage two (51) has air-breathing valve bonnet two (14), and one end that described lower outlet pipe (9) is connected with exhaust passage two (52) has and is vented valve bonnet two (15).
3. vertical reciprocating type vacuum pump according to claim 2, is characterized in that, described air-breathing valve bonnet one (12) and exhaust valve bonnet one (13) are fixedly connected on upper end cap (4) respectively by bolt; Described air-breathing valve bonnet two (14) and exhaust valve bonnet two (15) are fixedly connected on lower end cap (5) respectively by bolt.
4. the vertical reciprocating type vacuum pump according to claim 1 or 2 or 3, it is characterized in that, described upper end cap (4) is rounded, and described air intake passage one (41) and exhaust passage one (42) are along the circumferential direction distributed on upper end cap (4); Described lower end cap (5) is rounded, and described air intake passage two (51) and exhaust passage two (52) are along the circumferential direction distributed on lower end cap (5).
5. the vertical reciprocating type vacuum pump according to claim 1 or 2 or 3, is characterized in that, the quantity of described air intake passage one (41) and exhaust passage one (42) is 5; The quantity of described air intake passage two (51) and exhaust passage two (52) is 5.
6. the vertical reciprocating type vacuum pump according to claim 1 or 2 or 3, it is characterized in that, described upper sucking pipe (6) is all connected with air suction main (16) with lower sucking pipe (8), described upper outlet pipe (7) is all connected with exhaust manifold (17) with lower outlet pipe (9), and described air suction main (16) and exhaust manifold (17) are three-way pipe.
7. the vertical reciprocating type vacuum pump according to claim 1 or 2 or 3, it is characterized in that, described Aspirating valves (10) comprises intake valve body (101), described intake valve body (101) has suction port (102), described valve body is bolted supporting element one (103), described intake valve body (101) is positioned between suction port (102) the inner and supporting element and is provided with moving plate one (104), be provided with between described intake valve body (101) and moving plate one (104) can make moving plate one (104) against and seal the Returnning spring one (105) of suction port (102).
8. the vertical reciprocating type vacuum pump according to claim 1 or 2 or 3, it is characterized in that, described outlet valve (11) comprises exhaust valve (111), described exhaust valve (111) has exhaust port (112), described valve body is bolted supporting element two (113), described exhaust valve (111) is provided with moving plate two (114) between the fast outer end of exhaust and supporting element, be provided with between described exhaust valve (111) and moving plate two (114) can make moving plate two (114) against and seal the Returnning spring two (115) of exhaust port (112).
9. the vertical reciprocating type vacuum pump according to claim 1 or 2 or 3, it is characterized in that, the inner side surface of described upper end cap (4) has the attached layer one (43) of engineering plastics, and the attached layer one (43) of above-mentioned engineering plastics extends on air intake passage one (41) and exhaust passage one (42) inwall; The inner side surface of described lower end cap (5) has the attached layer two (53) of engineering plastics, and the attached layer two (53) of engineering plastics of described lower end cap (5) extends on air intake passage two (51) and exhaust passage two (52) inwall.
10. vertical reciprocating type vacuum pump according to claim 9, it is characterized in that, described upper end cap (4) outer side surface has near air intake passage one (41) and position, exhaust passage one (42) step surface caved inward, and the attached layer of described engineering plastics one (43) extends on above-mentioned step surface; Described lower end cap (5) outer side surface has near air intake passage two (51) and position, exhaust passage two (52) step surface caved inward, and the attached layer of described engineering plastics two (53) extends on above-mentioned step surface.
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| CN201420407753.XU CN204024964U (en) | 2014-07-22 | 2014-07-22 | A kind of vertical reciprocating type vacuum pump |
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| CN201420407753.XU CN204024964U (en) | 2014-07-22 | 2014-07-22 | A kind of vertical reciprocating type vacuum pump |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286210A (en) * | 2016-10-31 | 2017-01-04 | 淄博真空泵厂有限公司 | Reciprocating vacuum pump |
| CN106286231A (en) * | 2016-10-25 | 2017-01-04 | 马德宝真空设备集团有限公司 | A kind of air inlet-exhaust valve assembly of reciprocating vacuum pump |
| CN113154175A (en) * | 2021-02-01 | 2021-07-23 | 山西沃能化工科技有限公司 | Residual gas recovery and transformation method for WLW-2400B vacuum pump |
| CN116378928A (en) * | 2023-06-07 | 2023-07-04 | 沈阳海龟医疗科技有限公司 | Reciprocating type vacuum compression all-in-one machine |
-
2014
- 2014-07-22 CN CN201420407753.XU patent/CN204024964U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286231A (en) * | 2016-10-25 | 2017-01-04 | 马德宝真空设备集团有限公司 | A kind of air inlet-exhaust valve assembly of reciprocating vacuum pump |
| CN106286210A (en) * | 2016-10-31 | 2017-01-04 | 淄博真空泵厂有限公司 | Reciprocating vacuum pump |
| CN113154175A (en) * | 2021-02-01 | 2021-07-23 | 山西沃能化工科技有限公司 | Residual gas recovery and transformation method for WLW-2400B vacuum pump |
| CN116378928A (en) * | 2023-06-07 | 2023-07-04 | 沈阳海龟医疗科技有限公司 | Reciprocating type vacuum compression all-in-one machine |
| CN116378928B (en) * | 2023-06-07 | 2023-08-01 | 沈阳海龟医疗科技有限公司 | Reciprocating type vacuum compression all-in-one machine |
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