阅读说明：本技术 一种立式单程防腐真空泵及立式双程防腐真空泵 (A kind of vertical one way anti-corrosion vacuum pump and vertical round trip anti-corrosion vacuum pump ) 是由 张波 余柏春 于 2019-10-11 设计创作，主要内容包括：本发明涉及一种立式单程防腐真空泵及立式双程防腐真空泵,包括底座,底座内设有驱动装置,底座上方设置有气缸,气缸内设有活塞,活塞通过活塞杆向下贯穿气缸与驱动装置连接,气体直接通过设置于气缸的上盖和或下盖的进气口、出气口进出,运行过程中无需在气缸的缸体夹层内设置气流通道,从而大大降低气缸的整体结构,气缸的内腔壁光滑平整,方便进行机械加工及防腐处理,从而大大降低气缸的整体结构,易于生产加工；进气和出气的流程简单,便于气体流经各部位进行防腐处理。(The present invention relates to a kind of vertical one way anti-corrosion vacuum pump and vertical round trip anti-corrosion vacuum pumps, including pedestal, driving device is equipped in pedestal, cylinder is provided with above pedestal, piston is equipped in cylinder, piston is connect downward through cylinder with driving device by piston rod, gas is directly by being set to the upper cover of cylinder and/or the air inlet of lower cover, gas outlet disengaging, it is not necessary that airflow channel is arranged in the cylinder body interlayer of cylinder in operational process, to substantially reduce the overall structure of cylinder, the internal chamber wall of cylinder is smooth, facilitate and carries out machining and preservative treatment, to substantially reduce the overall structure of cylinder, it is easy to produce and process；The process of air inlet and outlet is simple, flows through each position convenient for gas and carries out preservative treatment.)

1. a kind of vertical one way anti-corrosion vacuum pump, including pedestal (1), pedestal (1) is interior to be equipped with driving device (2), which is characterized in that It is provided with cylinder (3) above pedestal (1), is equipped with piston (4) in cylinder (3), piston (4) is by piston rod (41) downward through gas Cylinder (3) is connect with driving device (2), and upper cover (302) side of cylinder (3) is equipped at least one air inlet (31), and the other side is set Be equipped at least one gas outlet (32), top be respectively arranged with the admission line (5) for be connected to connection with each air inlet (31) and The outlet pipe (6) of each gas outlet (32) connection connection, air inlet (31) is interior to be packaged with respectively by breather cheek valve (33), outlet It is packaged with unidirectional air outlet valve (34) respectively in mouth (32)；The lower cover (301) of cylinder (3) is equipped with several blow vents (35)；Driving Device (2) detaches downwards movement along cylinder (3) inner cavity through piston rod (41) driving piston (4), and gas is by admission line (5) through list Intracavitary into intake valve (33) suction cylinder (3), driving device (2) is through piston rod (41) driving piston (4) along cylinder (3) inner cavity Upward compressed action, cylinder (4) interior intracavity gas are expelled to outlet pipe (6) through unidirectional air outlet valve (35).

2. vertical one way anti-corrosion vacuum pump as described in claim 1, which is characterized in that blow vent (35) lower end is respectively communicated with company It is connected to cylinder silencer (36)；Lower cover (301) side is additionally provided with the cooling mouth (37) of cylinder (3) inner cavity connection, and cool down mouth (37) temperature-reducing medium nozzle (38) of the injection direction towards cylinder (3) inner cavity is equipped in.

3. vertical one way anti-corrosion vacuum pump as described in claim 1, each admission line (5), outlet pipe (6) both ends are separately connected Have connecting flange (30), and each admission line (5), outlet pipe (6) are connect by connecting flange (30) with upper cover (302) respectively And each breather cheek valve (33) are suppressed in each air inlet of correspondence (31), unidirectional air outlet valve (34) compacting in each outlet of correspondence respectively In mouth (32).

4. a kind of vertical round trip anti-corrosion vacuum pump, including pedestal (1), pedestal (1) is interior to be equipped with driving device (2), which is characterized in that It is provided with cylinder (3) above pedestal (1), is equipped with piston (4) in cylinder (3), piston (4) is by piston rod (41) downward through gas Cylinder (3) is connect with driving device (2), and the upper cover (302) of cylinder (3) and lower cover (301) side are equipped at least one air inlet (31), the other side is provided at least one gas outlet (32), and top and being respectively arranged below is connected to each air inlet (31) The admission line (5) of connection, the outlet pipe (6) that connection is connected to each gas outlet (32), air inlet (31) is interior to be packaged with respectively By breather cheek valve (33), it is packaged with unidirectional air outlet valve (34) respectively in gas outlet (32)；Driving device (2) is through piston rod (41) Drive piston (4) along cylinder (3) inner cavity downward actuation, gas is by upper cover (302) upper air pipeline (5) through breather cheek valve (33) Intracavitary in cylinder (3) on the upside of suction piston (4), cylinder (3) the interior intracavity gas below piston (4) is through each on lower cover (301) Unidirectional air outlet valve (34) is expelled to each outlet pipe (6) on the downside of cylinder (3)；Driving device (2) drives piston through piston rod (41) (4) acted upwards along cylinder (3) inner cavity, gas by the admission line (5) on the downside of cylinder (3) through on lower cover (301) it is each unidirectionally into Intracavitary in cylinder (3) on the downside of air valve (33) suction piston (4), cylinder (3) interior intracavity gas above piston (4) is through upper cover (302) each unidirectional air outlet valve (34) is expelled on the upside of cylinder (3) in each outlet pipe (6) on.

5. vertical round trip anti-corrosion vacuum pump as claimed in claim 4, each admission line (5), outlet pipe (6) both ends are separately connected Have connecting flange (30), and each admission line (5), outlet pipe (6) respectively by connecting flange (30) and upper cover (302), under It covers (301) connection and respectively suppresses each breather cheek valve (33) and suppressed in each air inlet of correspondence (31), unidirectional air outlet valve (34) In each gas outlet of correspondence (32).

6. vertical one way anti-corrosion vacuum pump as described in claim 1 or as claimed in claim 4 vertical round trip anti-corrosion vacuum pump, It is characterized in that, being equipped with the cooling water channel (300) of several perforations in the cylinder body interlayer of cylinder (3), cylinder (3) is externally provided with cooling Jie Matter case (9), cooling medium case (9) is through solution feed pump (10) and liquid feeding pipeline (11) by cooling medium in cooling water channel (300) Cooling medium case (9) are back to through liquid back pipe road (12) after flowing.

7. vertical one way anti-corrosion vacuum pump as described in claim 1 or as claimed in claim 4 vertical round trip anti-corrosion vacuum pump, It is characterized in that, electroplated on the internal chamber wall of the cylinder (3) or chemical be coated with erosion resistant coating.

8. vertical one way anti-corrosion vacuum pump as described in claim 1 or as claimed in claim 4 vertical round trip anti-corrosion vacuum pump, It is characterized in that, lower cover (301) side is provided with the leakage fluid dram (303) being connected to cylinder (3) inner cavity, leakage fluid dram connects on (303) Lead to and is connected to drain pipe (304)；Be equipped with annular collecting tank (305) on the inside of lower cover (301), the upper end of the leakage fluid dram (303) with Collecting tank (305) connection.

9. vertical one way anti-corrosion vacuum pump as described in claim 1 or as claimed in claim 4 vertical round trip anti-corrosion vacuum pump, The internal chamber wall of the cylinder (3) is inlaid with anti-corrosion round tube (7), and piston (4) reciprocating action is in anti-corrosion round tube (7)；Anti-corrosion Heat-conducting glue (20) are coated between round tube (7) and the internal chamber wall of cylinder (3)；The anti-corrosion round tube (7) is graphite-pipe, stainless steel tube Or titanium alloy tube.

10. vertical one way anti-corrosion vacuum pump as described in claim 1 or such as claim (4) described vertical round trip anti-corrosion vacuum Pump, cylinder (3) radial outside are provided with finned radiator structure (8).

Technical field

The invention belongs to vacuum pump technology field, in particular to a kind of vertical one way anti-corrosion vacuum pump and vertical round trip anti-corrosion Vacuum pump.

Background technique

There is a kind of vertical oil-free piston reciprocating type vacuum pump at present, the fields such as chemical pharmaceutical are widely applied at home, by In country at present to the pay attention to day by day of water resource, the vertical oil-free piston reciprocating type vacuum pump of waste water will not be generated by more Pay attention to.If patent publication No. is CN208934868U, it discloses a kind of vertical oil-free reciprocating vacuum pumps, including driving machine Structure, cylinder are connected between cylinder and driving mechanism by oil suction case, and driving mechanism includes motor, pulley, motor and belt pulley It is connected by belt, belt pulley is equipped with turntable, and turntable connects connecting rod one end, and the connecting rod other end is connected on connector, connects Part is equipped with piston rod, and piston rod end is equipped with piston body, and piston body is set in the movable chamber of cylinder, and cylinder two sides are respectively equipped with Air inlet, blow vent, movable chamber are equipped with air inlet diaphragm and outlet diaphragm in two sides up and down, and air inlet diaphragm is provided close to air inlet one Side, outlet diaphragm are provided close to blow vent side, and air inlet is equipped with filter layer, the filling for absorbing grease stain is equipped in oil suction case Object, piston body both ends fitting activity cavity wall are coated with rubber ring.The disadvantages are as follows: cylinder two sides be respectively equipped with air inlet, Blow vent, therefore its gas flow is set in the interlayer of cylinder, when piston body moves upwards, downside air inlet diaphragm air inlet, on The exhaust of side outlet diaphragm, when piston body moves downward, upside air inlet diaphragm air inlet, the exhaust of downside outlet diaphragm, air inlet system In one movable chamber for entering cylinder to each air inlet diaphragm through gas flow by air inlet, outlet by the movable chamber of cylinder respectively by Outlet diaphragm is discharged through gas flow is unified to gas outlet, and gas certainly will pass through air inlet gas flow and outlet gas flow, and Air inlet gas flow and outlet gas flow do preservative treatment complexity because being limited by structure, it is difficult to guarantee anti-corrosion effect, and And production is complicated, cost of manufacture is high；For piston during doing reciprocating stroke, cylinder block generates a large amount of heat, and gas is on way It is heated through air inlet gas flow and when outlet gas flow, thus from beginning to end cylinder by continual heat, and And cannot effectively alleviate, it is bound to cause the reduction of its inner cavity anti-corrosion effect, this long long past piston is easy to be impaired, because its structure limits System, maintenance and repair are extremely inconvenient.

Summary of the invention

Technical problem to be solved by the present invention lies in provide a kind of vertical one way anti-corrosion vacuum pump and vertical round trip anti-corrosion Vacuum pump, gas directly pass through air inlet, gas outlet disengaging, in operational process are not necessarily to that air-flow is arranged in the cylinder body interlayer of cylinder Channel, so that the overall structure of cylinder is substantially reduced, easy to produce and process and preservative treatment.

The invention is realized in this way providing a kind of vertical one way anti-corrosion vacuum pump, including pedestal, driving is equipped in pedestal Device, pedestal top are provided with cylinder, piston are equipped in cylinder, piston is by piston rod downward through cylinder and driving device company It connects, the upper cover side of cylinder is equipped at least one air inlet, and the other side is provided at least one gas outlet, and top is respectively set There is the admission line for being connected to connection with each air inlet, be connected to the outlet pipe of connection with each gas outlet, is encapsulated respectively in air inlet Have by breather cheek valve, is packaged with unidirectional air outlet valve respectively in gas outlet；The lower lid of cylinder is equipped with several blow vents；Driving dress It sets and detaches movement downwards along cylinder inner cavity through piston rod driving piston, gas is pumped into cylinder by admission line through breather cheek valve It is intracavitary, driving device through piston rod driving piston along the upward compressed action of cylinder inner cavity, cylinder inner cavity gas through unidirectional outlet Valve is expelled to outlet pipe.

Further, the vertical one way anti-corrosion vacuum pump, blow vent lower end, which is respectively communicated with, is connected with cylinder silencer；Under Lid side is additionally provided with the cooling mouth of cylinder inner cavity connection, is equipped with temperature-reducing medium of the injection direction towards cylinder inner cavity in cooling mouth Nozzle.

Further, the vertical one way anti-corrosion vacuum pump, admission line, outlet pipe both ends are connected separately with connection method Orchid, and each admission line, outlet pipe pass through respectively connecting flange connect with upper cover and respectively by each breather cheek valve compacting in Corresponding each air inlet, the compacting of unidirectional air outlet valve are in each gas outlet of correspondence.

A kind of vertical round trip anti-corrosion vacuum pump, including pedestal, pedestal is interior to be equipped with driving device, is provided with gas above pedestal Cylinder, cylinder is interior to be equipped with piston, and piston is connect downward through cylinder with driving device by piston rod, the upper cover and lower cover one of cylinder Side is equipped at least one air inlet, and the other side is provided at least one gas outlet, top and be respectively arranged below with respectively into The admission line of port connection connection is connected to the outlet pipe connected with each gas outlet, is packaged with respectively in air inlet by unidirectional Intake valve is packaged with unidirectional air outlet valve in gas outlet respectively；Driving device is moved downwards through piston rod driving piston along cylinder inner cavity Make, gas is pumped into the cylinder inner cavity of piston on the side by upper cover upper air pipeline through breather cheek valve, in the cylinder below piston Intracavity gas covers each unidirectional air outlet valve and is expelled to each outlet pipe on the downside of cylinder through lower；Driving device drives piston through piston rod It is acted upwards along cylinder inner cavity, gas is covered each breather cheek valve and be pumped into piston underside by the admission line on the downside of cylinder through lower In cylinder inner cavity, gas covers each unidirectional air outlet valve and is expelled to each escape pipe on the upside of cylinder through upper in the cylinder inner cavity above piston In road.

Further, the vertical round trip anti-corrosion vacuum pump, each admission line, outlet pipe both ends are connected separately with connection Flange, and each admission line, outlet pipe pass through connecting flange respectively and connect with upper cover, lower cover and respectively by each breather cheek valve It suppresses in each air inlet of correspondence, the compacting of unidirectional air outlet valve in each gas outlet of correspondence.

Further, the vertical one way anti-corrosion vacuum pump or vertical round trip anti-corrosion vacuum pump, the cylinder body interlayer of cylinder The interior cooling water channel equipped with several perforations, cylinder are externally provided with cooling medium case, and cooling medium case will through solution feed pump and liquid feeding pipeline Cooling medium is for being back to cooling medium case through liquid back pipe road after flowing in cooling water channel.

Further, the vertical one way anti-corrosion vacuum pump or vertical round trip anti-corrosion vacuum pump, the inner cavity of the cylinder It is electroplated or chemical be coated with erosion resistant coating on wall.

Further, the vertical one way anti-corrosion vacuum pump or vertical round trip anti-corrosion vacuum pump, lower cover side are provided with The leakage fluid dram being connected to cylinder inner cavity is connected with drain pipe on leakage fluid dram；Annular collecting tank, the row are equipped on the inside of lower cover The upper end of liquid mouth is connected to collecting tank.

Further, the vertical one way anti-corrosion vacuum pump or vertical round trip anti-corrosion vacuum pump, the inner cavity of the cylinder Wall is inlaid with anti-corrosion round tube, and the piston reciprocating movement is in anti-corrosion round tube；It is smeared between anti-corrosion round tube and the internal chamber wall of cylinder There is heat-conducting glue；The anti-corrosion round tube is graphite-pipe, stainless steel tube or titanium alloy tube.

Further, the vertical one way anti-corrosion vacuum pump or vertical round trip anti-corrosion vacuum pump, the cylinder bore are outside Side is provided with finned radiator structure.

Compared with prior art, vertical one way anti-corrosion vacuum pump of the invention and vertical round trip anti-corrosion vacuum pump, gas are straight Air inlet, gas outlet disengaging were connected, in operational process is not necessarily to that airflow channel, the internal chamber wall of cylinder are arranged in the cylinder body of cylinder It is smooth, facilitate and carries out machining and preservative treatment, so that the overall structure of cylinder is substantially reduced, it is easy to produce and process； The process of air inlet and outlet is simple, flows through each position convenient for gas and carries out preservative treatment；

Flange suppresses each breather cheek valve in each air inlet of correspondence, the compacting of unidirectional air outlet valve in each gas outlet of correspondence, To which breather cheek valve, unidirectional air outlet valve do not need to press fork, air valve mandril, air valve top cover to be fixed by air valve, but It is directly fixed by the flange face of connecting flange, to reduce components, is easier to carry out preservative treatment；

To prevent cylinder caused by expanding with heat and contract with cold between unlike material from damaging, cooling of the reinforcement to cylinder block, cylinder Be equipped with the cooling water channel of several perforations in cylinder body interlayer, and cooling medium case through solution feed pump and liquid feeding pipeline by cooling medium for It is back to cooling medium case through liquid back pipe road after flowing in cooling water channel, is run to take away cylinder body by cooling medium in piston When the heat that generates, with guarantee piston can stable operation, in operational process, the air of disengaging is maintained at temperature range appropriate Interior, suitable for high load capacity operating status；

By it is electroplated on the internal chamber wall of cylinder or it is chemical be coated with erosion resistant coating, substantially reduce in air acid-base material to gas The corrosion of cylinder internal chamber wall；It is possible to further be inlaid with anti-corrosion round tube by the internal chamber wall in cylinder, to avoid acid-base material Directly cylinder inner cavity wall is caused to corrode, being also easier to maintenance maintenance can directly replace after that is, anti-corrosion round tube anti-corrosion effect reduces Anti-corrosion round tube；It is coated with heat-conducting glue between anti-corrosion round tube and the internal chamber wall of cylinder, is filled up between cylinder inner cavity wall and anti-corrosion round tube Gap, to increase heating conduction, i.e., anti-corrosion round tube can more effectively radiate by cylinder block；

The vertical one way anti-corrosion vacuum pump, is respectively communicated in its blow vent lower end and is connected with cylinder silencer, thus logical Port substantially reduces exhaust noise when backhaul is exhausted；By being equipped with injection direction towards cylinder inner cavity in cooling mouth Temperature-reducing medium nozzle, when needing to cool down to cylinder inner cavity, by external liquid feeding pipeline by temperature-reducing medium through cooling be situated between Matter nozzle cools down into the cylinder inner cavity of piston underside, is then discharged by blow vent or leakage fluid dram；

Cylinder radial outside is provided with finned radiator structure, and its object is to the heat dissipation of further lifting cylinder cylinder body effects Rate.

Detailed description of the invention

Fig. 1 is the floor map of vertical one way anti-corrosion vacuum pump described in the embodiment of the present invention 1；

Fig. 2 is the floor map of vertical one way anti-corrosion vacuum pump described in the embodiment of the present invention 2；

Fig. 3 is the structure principle chart of setting anti-corrosion round tube in cylinder.

Specific embodiment

In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only To explain the present invention, it is not intended to limit the present invention.