CN220415695U

CN220415695U - Novel vacuum unit

Info

Publication number: CN220415695U
Application number: CN202321898122.8U
Authority: CN
Inventors: 孟怀发; 马明; 倪祥军
Original assignee: Zhangjiagang Pufa Machinery Manufacturing Co ltd
Current assignee: Zhangjiagang Pufa Machinery Manufacturing Co ltd
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2024-01-30
Anticipated expiration: 2033-07-19

Abstract

The utility model relates to the technical field of vacuum units, and discloses a novel vacuum unit, which comprises a Roots pump, a primary water ring pump and a secondary water ring pump which are sequentially connected with the Roots pump, wherein the Roots pump is provided with an oiling piece; the inside of roots pump gear box is equipped with the absorption collection mechanism that is used for adsorbing the sweeps, the bottom of roots pump gear box is equipped with the fluid-discharge tube. The utility model provides a novel vacuum unit, which is provided with an adsorption and collection mechanism to adsorb impurities, reduce the frequency of replacing lubricating oil, and simultaneously replace the lubricating oil without stopping the machine.

Description

Novel vacuum unit

Technical Field

The utility model relates to the field of vacuum units, in particular to a novel vacuum unit.

Background

The Roots water ring vacuum unit is evacuation equipment which is formed by taking a Roots pump as a main pump and taking a water ring pump as a front-stage pump in series connection and can rapidly work and has the advantage of higher air extraction rate, so that the Roots water ring vacuum unit is widely used in the chemical industry.

The Roots pump structure is characterized in that two blade-shaped rotors which are in opposite directions and synchronously rotate are arranged in the pump, tiny gaps are reserved among the rotors, among the rotors and the inner wall of a pump shell, and high-pressure vacuum suction force is generated under the high-strength driving of a gear set in a gear box.

In order to solve the problems, a novel vacuum unit is provided in the application.

Disclosure of Invention

Object of the utility model

In order to solve the technical problems in the background technology, the utility model provides a novel vacuum unit, and the novel vacuum unit is provided with an adsorption and collection mechanism so as to adsorb impurities, reduce the frequency of replacing lubricating oil, and simultaneously can replace the lubricating oil without stopping.

(II) technical scheme

In order to solve the problems, the utility model provides a novel vacuum unit which comprises a Roots pump, a primary water ring pump and a secondary water ring pump which are sequentially connected with the Roots pump, wherein the Roots pump is provided with an oiling piece;

the inside of roots pump gear box is equipped with the absorption collection mechanism that is used for adsorbing the sweeps, the bottom of roots pump gear box is equipped with the fluid-discharge tube.

Preferably, the oiling piece comprises an oiling pipe, the oiling pipe is communicated with the Roots pump gearbox, and a valve is arranged on the oiling pipe.

Preferably, the liquid inlet end of the oil filling pipe is provided with a liquid filling hopper.

Preferably, the adsorption collecting mechanism comprises a half ball net body and flexible sheets, wherein the flexible sheets are arranged in the half ball net body, and the flexible sheets are mutually separated to form a complete circle.

Preferably, a magnetic rod is arranged in the hemispherical net body.

Preferably, the inside of roots pump gear box is detachably connected with the collar, collar and half net body fixed connection.

The technical scheme of the utility model has the following beneficial technical effects:

under the action of the liquid discharge pipe, the effect of discharging the oil liquid of the Roots pump gear box is achieved, and the oil liquid can be directly added through the oil filling pipe after being discharged so as to replace the gear box without stopping the machine; when the Roots pump gear box is used, internal oil flows through rotation of an inner gear of the gear box, so that the flexible sheet is stirred like the inside of the half-ball net body, the oil enters the inside of the half-ball net body, and scraps are adsorbed under the action of the magnetic rod, so that the effect of collection is achieved, the scraps inside the oil for gear lubrication are reduced, and the replacement frequency of the oil is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a novel vacuum unit provided by the utility model.

Fig. 2 is a schematic diagram of the internal structure of the Roots pump gear box in the novel vacuum unit.

Fig. 3 is a schematic view of a part of the structure in fig. 2.

Fig. 4 is a schematic side structural view of an adsorption collecting mechanism in a novel vacuum unit according to the present utility model.

Reference numerals: 1. roots pump; 2. a fueling member; 21. a filler tube; 22. a valve; 23. a liquid adding hopper; 3. an adsorption collection mechanism; 31. a half net body; 32. a flexible sheet; 33. a magnetic rod; 34. a mounting ring; 4. and a liquid discharge pipe.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

As shown in fig. 1-4, the novel vacuum unit provided by the utility model comprises a Roots pump 1, and a primary water ring pump and a secondary water ring pump which are sequentially connected with the Roots pump 1, wherein the Roots pump 1 is provided with an oiling piece 2;

the inside of the gear box of the Roots pump 1 is provided with an adsorption collecting mechanism 3 for adsorbing scraps, and the bottom of the gear box of the Roots pump 1 is provided with a liquid discharge pipe 4. The liquid discharge pipe 4 is provided with a valve.

In an alternative embodiment, the oiling member 2 comprises an oiling tube 21, the oiling tube 21 is communicated with the gear box of the Roots pump 1, and a valve 22 is arranged on the oiling tube 21.

Further, the liquid inlet end of the oil filling pipe 21 is provided with a liquid filling hopper 23.

Under the action of the liquid adding hopper 23, the oil liquid is added.

In an alternative embodiment, the suction collection means 3 comprises a semi-spherical net body 31 and flexible sheets 32, the flexible sheets 32 being arranged inside the semi-spherical net body 31, and the plurality of flexible sheets 32 being separated from each other and forming a complete circle.

One end of the flexible sheet 32 is fixedly connected with the hemispherical net body 31.

Further, a magnetic rod 33 is provided inside the hemispherical net body 31.

Under the action of the magnetic rod 33, the effect of adsorbing scraps is achieved.

In an alternative embodiment, a mounting ring 34 is detachably connected to the inside of the gear box of the Roots pump 1, and the mounting ring 34 is fixedly connected with the hemispherical net body 31.

It should be noted that, the mounting ring 34 is detachably connected with the inner wall of the gear box of the Roots pump 1 through bolts, so as to facilitate the removal of the mounting ring 34 for cleaning the removal of the half ball net body 31.

According to the utility model, under the action of the liquid discharge pipe 4, the effect of discharging the oil of the gear box of the Roots pump 1 is achieved, and the oil can be directly added through the oil filling pipe 21 after being discharged so as to replace the gear box without stopping; when the gear box of the Roots pump 1 is used, oil in the Roots pump flows through the rotation of the gear box inner gear, so that the flexible sheet 32 is stirred like the inside of the hemispherical net body 31, the oil enters the inside of the hemispherical net body 31, and scraps are adsorbed under the action of the magnetic rod 33, so that the effect of collecting is achieved, scraps in the oil lubricated by the gears are reduced, and the replacement frequency of the oil is reduced.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims

1. The utility model provides a novel vacuum unit, includes roots pump (1) and with roots pump (1) the one-level water ring pump and the second grade water ring pump that connect gradually, its characterized in that:

the Roots pump (1) is provided with an oiling piece (2);

the inside of roots pump (1) gear box is equipped with absorption collection mechanism (3) that are used for adsorbing the sweeps, the bottom of roots pump (1) gear box is equipped with fluid-discharge tube (4).

2. The novel vacuum unit according to claim 1, wherein the oiling member (2) comprises an oiling pipe (21), the oiling pipe (21) is communicated with a gear box of the Roots pump (1), and a valve (22) is arranged on the oiling pipe (21).

3. A novel vacuum unit as claimed in claim 2, wherein the liquid inlet end of the oil filling pipe (21) is provided with a liquid filling hopper (23).

4. A new vacuum unit according to claim 1, characterized in that the suction collection means (3) comprises a half net body (31) and flexible sheets (32), the flexible sheets (32) are arranged inside the half net body (31), and the flexible sheets (32) are separated from each other and form a complete circle.

5. A new vacuum unit according to claim 4, characterized in that the inside of the hemispherical net body (31) is provided with magnetic bars (33).

6. The novel vacuum unit according to claim 5, wherein a mounting ring (34) is detachably connected to the inside of the gear box of the Roots pump (1), and the mounting ring (34) is fixedly connected with the hemispherical net body (31).