CN213684516U

CN213684516U - Rotary vane vacuum pump convenient for oil filtration

Info

Publication number: CN213684516U
Application number: CN202022358919.1U
Authority: CN
Inventors: 胡道敏
Original assignee: Shanghai Wanjing Pump Manufacturing Co ltd
Current assignee: Shanghai Wanjing Pump Manufacturing Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-07-13
Anticipated expiration: 2030-10-22

Abstract

The utility model aims at solving the problem that dirty is easily remained in current rotary vane vacuum pump content, disclose a convenient rotary vane vacuum pump to oil filtration, which comprises a pump body, pump body upper surface right side fixed mounting has the breather pipe, the breather pipe top is equipped with the induction port, the check valve subassembly is installed to the inside upside of breather pipe, check valve subassembly upside fixed mounting has the filtration valve of breathing in, the rotor is equipped with on the inside right side of the pump body, the rotor surface evenly is equipped with the rotary vane, the inside guide slot that opens of rotary vane, the inside cover of guide slot has the slider, fixedly connected with second coil spring between slider and the rotary vane inner, the inside right flank wall of the pump body is equipped with the push pedal, symmetrical connection has first coil spring between push pedal and the pump body. The utility model discloses a to the change of rotor structure, control the oil feed volume that the pump body holds the chamber simultaneously again according to the change of the volume of breathing in to can improve the operating efficiency of rotor vacuum pump.

Description

Rotary vane vacuum pump convenient for oil filtration

Technical Field

The utility model relates to a sliding vane rotary vacuum pump field especially relates to a convenient filterable sliding vane rotary vacuum pump to oil.

Background

A sliding vane rotary vacuum pump is a vacuum pump in which a biased rotor provided with a sliding vane performs rotary motion in a pump cavity, and the volume of a working chamber of the pump cavity partitioned by the sliding vane is periodically changed to realize air suction. The working principle of the rotary vane vacuum pump is as follows: when the rotor rotates, under the action of centrifugal force, the rotary sheet slides back and forth along the slot and is always contacted with the inner wall of the pump cavity, so that the pump cavity is divided into two or more variable-volume working chambers. When the rotor rotates clockwise, the volume of the air suction cavity communicated with the air suction port is gradually increased from zero, the air pressure in the cavity is reduced, and the air to be sucked is continuously sucked from the air suction port. Meanwhile, the volume of the exhaust cavity communicated with the exhaust port is reduced from large to small, the gas in the suction cavity is compressed, and when the gas pressure is higher than the atmospheric pressure, the thrust exhaust valve exhausts the atmosphere. The rotor rotates continuously, and the pump pumps air continuously. But has the following disadvantages; in the operation of photovoltaic trade in-process, a large amount of EVA is adulterated in oil at the evacuation in-process, the EVA that the sliding vane vacuum pump was taken out meets the oil solidification of vacuum pump and leads to the dirty appearance of vacuum pump inside, dirty remains on sliding vane and vacuum pump inner wall, cause the wearing and tearing of vacuum pump inner wall, also can cause the jam of oil circuit simultaneously, reduce the life of vacuum pump, be difficult for clearing up the impurity of inner wall at the moving in-process, also be difficult for simultaneously controlling the oil pressure of inside, therefore, the urgent need is designed a convenience and is solved the not enough of prior art to the filterable sliding vane vacuum pump of oil.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of the prior art and providing a rotary vane vacuum pump which is convenient for filtering oil.

The utility model discloses a realize through following technical scheme:

a rotary vane vacuum pump convenient for oil filtration comprises a pump body, wherein a vent pipe is fixedly arranged on the right side of the upper surface of the pump body, an air suction port is arranged at the top end of the vent pipe, a check valve assembly is arranged on the upper side inside the vent pipe, an air suction filter valve is fixedly arranged on the upper side of the check valve assembly, a rotor is arranged on the right side inside the pump body, rotary vanes are uniformly arranged on the surface of the rotor, a guide groove is formed in the rotary vanes, a sliding block is sleeved inside the guide groove, a second spiral spring is fixedly connected between the sliding block and the inner end of the rotary vanes, a push plate is arranged on the right side wall inside the pump body, first spiral springs are symmetrically connected between the push plate and the pump body, a sliding rod is sleeved inside the first spiral springs, an oil cavity is formed in the left side of the pump body, the improved oil pump is characterized in that a fourth guide pipe is fixedly mounted between the connecting box and the oil cavity, a control pipe is fixedly mounted on the lower side of the connecting box, a third guide pipe is communicated with the control pipe, a sliding plate is sleeved on the inside of the control pipe, a third spiral spring is fixedly connected between the sliding plate and the bottom surface inside the control pipe, a guide rod is sleeved on the inside of the third spiral spring, a first guide pipe is connected between the connecting box and the pump body, a second guide pipe is connected between the control pipe and the pump body, and a liquid pump is fixedly mounted in the middle of the second guide pipe.

As the utility model discloses an optimized technical scheme, sealing connection uses rubber membrane sealing connection between the push pedal and the lateral wall of the inside cavity of the pump body.

As the preferred technical scheme of the utility model, pump body shell is opened has the gliding groove of confession slide bar.

As the utility model discloses an optimized technical scheme, rotor plate and slider sliding fit, slider and rotor fixed connection.

As the utility model discloses a preferred technical scheme, the connection box communicates with each other with control tube and first pipe, and the connection box does not communicate with each other with the fourth pipe.

As the preferred technical scheme of the utility model, the third pipe switch-on is at the left side wall downside of control tube, and the second pipe switch-on is at the right side wall middle part of control tube.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set the spinning disk to slidingtype, the slip of reunion push pedal, and then can make spinning disk and push pedal laminate, prevent the impurity adhesion on pump body inner wall, realize the clearance to pump body inner wall impurity, and through the setting of oil filter, realize filth filtration in the oil, make the operation of spinning disk vacuum pump more smooth and easy, setting through the control tube, can control the oil mass in the pump body according to the change in the air cavity space in the pump body, the convenience provides the extrusion force to oil, and then can make spinning disk vacuum pump efficiency higher, setting through the shock attenuation cushion, carry out the shock attenuation to the spinning disk vacuum pump, reduce the vibrations during operation, protect the spinning disk vacuum pump. The utility model discloses a to the change of rotor structure, control the oil feed volume that the pump body holds the chamber simultaneously again according to the change of the volume of breathing in to can improve the operating efficiency of rotor vacuum pump.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. air suction port, 2, an air suction filter valve, 3, a check valve component, 4, a vent pipe, 5, a pump body, 6, a rotary vane, 7, a first spiral spring, 8, a sliding rod, 9, a push plate, 10, a rotor, 11, a second spiral spring, 12, a sliding block, 13, a guide groove, 14, a first guide pipe, 15, a second guide pipe, 16, a liquid pumping pump, 17, a connecting box, 18, a control pipe, 19, a sliding plate, 20, a guide rod, 21, a third spiral spring, 22, a third guide pipe, 23, a fourth guide pipe, 24, a damping cushion block, 25, an oil cavity, 26 and an oil filter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution:

the utility model provides a convenient filterable rotary vane vacuum pump to oil, includes the pump body 5, the right side fixed mounting of the upper surface of the pump body 5 has breather pipe 4, 4 top ends of breather pipe are equipped with induction port 1, the inside upside of breather pipe 4 installs check valve subassembly 3, check valve subassembly 3 upside fixed mounting has the filter valve 2 of breathing in, the inside right side of the pump body 5 is equipped with rotor 10, rotor 10 evenly is equipped with rotary vane 6 on the surface, the inside guide slot 13 that has of rotary vane 6, the inside cover of guide slot 13 has slider 12, fixedly connected with second coil spring 11 between slider 12 and the inner of rotary vane 6, the inside right side wall of the pump body 5 is equipped with push pedal 9, symmetrical connection has first coil spring 7 between push pedal 9 and the pump body 5, the inside cover of first coil spring 7 has slide bar 8, open the left side of the pump body 5 has oil pocket 25, the inside oil filter 26, the utility model discloses a pump body, including pump body 5, connecting box 17, control tube 18, third pipe 22, slide plate 19, fixedly connected with third coil spring 21 between slide plate 19 and the inside bottom surface of control tube 18, the inside cover of third coil spring 21 has guide arm 20, be connected with first pipe 14 between connecting box 17 and the pump body 5, be connected with second pipe 15 between control tube 18 and the pump body 5, second pipe 15 middle part fixed mounting has drawing liquid pump 16, fixed mounting has control tube 18 between connecting box 17 and the oil pocket 25, connecting box 17 downside fixed mounting has control tube 18, the switch-on has third pipe 22 between control tube 18 and the fourth pipe 23, the inside cover of control tube 18 has slide plate 19, fixedly connected with third coil spring 21 between slide plate 19 and the inside bottom surface of control tube 18.

The push plate 9 is connected with the side wall of the cavity in the pump body 5 in a sealing mode through a rubber film.

The shell of the pump body 5 is provided with a groove for the sliding of the sliding rod 8.

The rotary vane 6 is in sliding fit with the sliding block 12, and the sliding block 12 is fixedly connected with the rotor 10.

The junction box 17 communicates with the control tube 18 and the first conduit 14, and the junction box 17 does not communicate with the fourth conduit 23.

The third line 22 opens at the lower side of the left side wall of the control tube 18, and the second line 15 opens in the middle of the right side wall of the control tube 18.

The working principle is as follows: the rotary vane vacuum pump is connected with a nearby power supply, the liquid pump 16 is connected with the nearby power supply, the preparation work is completed, when the rotary vane vacuum pump runs, the rotor 10 is driven to rotate, at the moment, the rotor 10 is attached to the push plate 9 to scrape, impurities are prevented from remaining on the inner wall of the pump body 5, meanwhile, air suction is carried out through the air suction port 1 during running, the size of the air suction amount can be changed according to the filling amount of cavity oil in the pump body 5, when the internal oil amount is large, the air suction amount is small, the air suction amount of the first guide pipe 14 is reduced, the suction force in the control pipe 18 is insufficient to enable the sliding plate 19 to slide upwards, at the moment, the oil in the oil cavity 25 does not enter the cavity around the rotor 10 of the pump body 5, when the air suction amount is large, the air in the cavity around the rotor 10 of the pump body 5 is indicated to be large, and the air suction amount of the first guide, the sliding plate 19 is lifted, at the moment, the oil in the oil cavity is pumped into the cavity on the right side of the pump body 5 by the driving of the liquid pump 16, and automatic control can be performed according to the air suction volume, so that the rotary vane vacuum pump operates at a constant speed, and the working efficiency of the rotary vane vacuum pump is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a convenient rotary vane vacuum pump to oil filter, includes the pump body (5), its characterized in that: the pump body (5) upper surface right side fixed mounting has breather pipe (4), breather pipe (4) top is equipped with induction port (1), check valve subassembly (3) are installed to the inside upside of breather pipe (4), check valve subassembly (3) upside fixed mounting has suction filter valve (2), rotor (10) are equipped with on the inside right side of the pump body (5), rotor (10) surface evenly is equipped with rotor (6), open inside rotor (6) has guide slot (13), the inside cover of guide slot (13) has slider (12), fixedly connected with second coil spring (11) between slider (12) and rotor (6) the inner, the inside right lateral wall of the pump body (5) is equipped with push pedal (9), symmetrical connection has first coil spring (7) between push pedal (9) and the pump body (5), the inside cover of first coil spring (7) has slide bar (8), the oil pump is characterized in that an oil cavity (25) is formed in the left side of the pump body (5), an oil filter (26) is arranged in the oil cavity (25), a damping cushion block (24) is fixedly arranged on the bottom surface of the pump body (5), a connecting box (17) is arranged below the pump body (5), a fourth guide pipe (23) is fixedly arranged between the connecting box (17) and the oil cavity (25), a control pipe (18) is fixedly arranged on the lower side of the connecting box (17), a third guide pipe (22) is communicated between the control pipe (18) and the fourth guide pipe (23), a sliding plate (19) is sleeved in the control pipe (18), a third spiral spring (21) is fixedly connected between the sliding plate (19) and the inner bottom surface of the control pipe (18), a guide rod (20) is sleeved in the third spiral spring (21), and a first guide pipe (14) is connected between the connecting box (17) and, a second guide pipe (15) is connected between the control pipe (18) and the pump body (5), and a liquid pump (16) is fixedly installed in the middle of the second guide pipe (15).

2. A rotary vane vacuum pump for facilitating the filtration of oil as claimed in claim 1, wherein: the push plate (9) is connected with the side wall of the inner cavity of the pump body (5) in a sealing mode through a rubber film.

3. A rotary vane vacuum pump for facilitating the filtration of oil as claimed in claim 1, wherein: the shell of the pump body (5) is provided with a groove for the sliding of the sliding rod (8).

4. A rotary vane vacuum pump for facilitating the filtration of oil as claimed in claim 1, wherein: the rotary vane (6) is in sliding fit with the sliding block (12), and the sliding block (12) is fixedly connected with the rotor (10).

5. A rotary vane vacuum pump for facilitating the filtration of oil as claimed in claim 1, wherein: the connecting box (17) is communicated with the control tube (18) and the first conduit (14), and the connecting box (17) is not communicated with the fourth conduit (23).

6. A rotary vane vacuum pump for facilitating the filtration of oil as claimed in claim 1, wherein: the third conduit (22) is communicated with the lower side of the left side wall of the control tube (18), and the second conduit (15) is communicated with the middle part of the right side wall of the control tube (18).