CN217950680U

CN217950680U - Anhydrous dry-type high vacuum pump device

Info

Publication number: CN217950680U
Application number: CN202222111891.0U
Authority: CN
Inventors: 朱东义; 郑伟超; 崔征; 刘小海; 杨旭方
Original assignee: Kaifeng Bokai Biochemical Co ltd
Current assignee: Kaifeng Bokai Biochemical Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2022-12-02
Anticipated expiration: 2032-08-11

Abstract

The utility model relates to a dry vacuum pump technical field, concretely relates to anhydrous dry-type high vacuum pump device, which comprises a vacuum pump body, wherein one side of the top of the vacuum pump body is provided with a feeding pipe, and the other side of the top of the vacuum pump body is provided with a discharging pipe; the utility model discloses a set up the filter assembly to make the filter assembly set up along the horizontal direction, when the vacuum pump body works, enter into the barrel through the connecting pipe first, then filter through first filter and second filter, then discharge to the vacuum pump body, in the course of transmitting, first filter and second filter can play the filtration, guarantee the filter effect; in addition, when the first filter plate and the second filter plate are maintained, the problem of poor sealing performance caused by frequent disassembly of the connecting pipe, the feeding pipe and the filter assembly can be avoided.

Description

Anhydrous dry-type high vacuum pump device

Technical Field

The utility model relates to a dry vacuum pump technical field, concretely relates to anhydrous dry-type high vacuum pump device.

Background

The dry vacuum pump refers to a mechanical vacuum pump which can start pumping from atmospheric pressure and can directly discharge pumped bodies to the atmosphere, a pump cavity is free of oil or other working media, the limit pressure of the pump is in the same order or close to that of an oil-sealed vacuum pump, the single-rotor dry vacuum pump is one of dry vacuum pumps, and when the common single-rotor dry vacuum pump is used, due to the fact that impurities in materials cannot be filtered, the impurities in the single-rotor dry vacuum pump are prone to being too much, blockage of the device is caused, and the device cannot be normally used.

Patent publication No. CN214944971U discloses "a single rotor dry vacuum pump comprising: the vacuum pump comprises a vacuum pump body, a support device and a control device, wherein the vacuum pump body is an external frame of the device and plays a role in supporting the device, a fixing pipe and a discharge pipe are respectively arranged at the upper end of the vacuum pump body, and the fixing pipe is positioned on the left side of the discharge pipe; the vacuum pump comprises a vacuum pump body, and is characterized by also comprising a cavity, wherein the cavity is formed in the side surface of the vacuum pump body, the cavity is provided with 2 layers, and the positions of the 2 layers of cavities are not overlapped. This single rotor dry vacuum pump, can pass the filter layer when the material in the external world enters into the inside of device, absorbed layer and filter core, so can carry out the first filtration to the impurity in the material because the filter layer is the filter screen form, and the absorbed layer comprises the active carbon material, so the absorbed layer can carry out the second filtration to the material that passes through, later material passes through the filter core, the filter core carries out the third filtration to the impurity in the material, thereby guarantee the material can not block up the device, lead to the device not normal operating, but this patent is when changing or clearing up filter screen and filter layer, still need dismantle the pipeline earlier, could maintain and change it, the in-process of maintaining many times, owing to frequently dismantle the pipeline, can lead to pipeline kneck sealed not tight, reveal easily, and inconvenient washs filter equipment, it is very inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an anhydrous dry-type high vacuum pump device not only can guarantee good filter effect, conveniently washs and maintains the filter screen moreover.

In order to solve the technical problem, the utility model provides a waterless dry-type high vacuum pump device, which comprises a vacuum pump body, wherein one side of the top of the vacuum pump body is provided with a feeding pipe, and the other side of the top of the vacuum pump body is provided with a discharging pipe;

the filter assembly comprises a barrel, the barrel is arranged along the horizontal direction, one end of the barrel is of a sealing structure, the other end of the barrel is of an opening structure, a sealing plate is fixedly connected to the outer wall of the opening of the barrel, a feed port is formed in the top of the barrel, a discharge port is formed in the bottom of the barrel, the top of the feed port is communicated with the bottom of a connecting pipe, the bottom of the discharge port is communicated with the top of an inlet pipe, a first filter plate and a second filter plate are sequentially arranged on the inner wall of the barrel from top to bottom, and the first filter plate and the second filter plate are all arranged along the horizontal direction.

Further, the inner wall of the cylinder is fixedly provided with two installation guide rails for installing the first filter plate and the second filter plate, and the outer walls of the two sides of the first filter plate and the second filter plate are connected with the installation guide rails in a sliding mode.

Furthermore, the inner side surface of the sealing plate is provided with a groove corresponding to the positions of the first filtering plate and the second filtering plate, the first filtering plate and the second filtering plate extend into the groove, and a sealing gasket is arranged at the joint of the first filtering plate and the groove and the joint of the second filtering plate and the groove.

Further, first filter is the same with the second filter plate structure, and the cavity has been seted up to one side that first filter is close to the closing plate, and cavity inner wall fixed mounting has the handle.

Further, the cylinder body is fixedly installed on the vacuum pump body through a fixing frame.

Further, the feed inlet and the discharge outlet are the same in shape and are both conical.

Further, the filter screen is fixedly mounted on the outer sides of the feeding hole and the discharging hole.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

1. the utility model discloses a set up the filter assembly to make the filter assembly set up along the horizontal direction, when the vacuum pump body works, enter into the barrel through the connecting pipe first, then filter through first filter and second filter, then discharge to the vacuum pump body, in the course of transmitting, first filter and second filter can play the filtration, guarantee the filter effect; through at barrel one side installation closing plate to set up the installation guide rail at the barrel inner wall, conveniently install and dismantle first filter and second filter on the one hand, on the other hand can guarantee filter assembly's leakproofness, can avoid connecting pipe and the frequent poor problem of the leakproofness that leads to the fact of dismantling of filter assembly simultaneously.

2. The sealing plate of the utility model can ensure the sealing performance between the first filter plate and the sealing plate as well as between the second filter plate and the sealing plate by arranging the groove on the inner side surface of the sealing plate and installing the sealing gasket on the inner wall of the groove; through install the handle on first filter and second filter, be convenient for take out first filter and second filter from the barrel.

3. The utility model discloses an at the outside installation filter screen of feed inlet and discharge gate, the filter screen filters when the feeding with when coming out respectively, can promote the filter effect greatly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the filter assembly of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 4 is a schematic structural view of the middle feeding hole of the present invention.

In the figure: 1. a vacuum pump body; 2. a feeding pipe; 3. a discharge pipe; 4. a connecting pipe; 5. a filter assembly; 501. a fixed mount; 502. a cylinder body; 503. a sealing plate; 5031. a groove; 5032. a gasket; 504. a feed inlet; 505. a discharge port; 506. installing a guide rail; 507. a first filter plate; 508. a second filter plate; 6. a concave cavity; 7. a handle; 8. and (5) filtering by using a filter screen.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the present invention, belong to the protection scope of the present invention.

As shown in fig. 1-4: a waterless dry-type high vacuum pump device comprises a vacuum pump body 1, wherein a feeding pipe 2 is arranged on one side of the top of the vacuum pump body 1, a discharging pipe 3 is arranged on the other side of the top of the vacuum pump body 1, the feeding pipe 2 and the discharging pipe 3 are both arranged along the vertical direction, a connecting pipe 4 is also arranged on the top of the feeding pipe 2, and a filtering component 5 is arranged between the connecting pipe 4 and the feeding pipe 2;

filter assembly 5 includes barrel 502, barrel 502 passes through mount 501 to be installed in vacuum pump body 1 top, barrel 502 sets up along the horizontal direction, barrel 502 one end is seal structure, the barrel 502 other end is open structure, and the opening part outer wall of barrel 502 is equipped with closing plate 503, closing plate 503 passes through bolt and barrel 502 fixed connection, the barrel 502 top is equipped with feed inlet 504, barrel 502 bottom is equipped with discharge gate 505, feed inlet 504 and the coaxial setting of discharge gate 505, feed inlet 504 top and 4 bottom of connecting pipe intercommunication, the bottom of discharge gate 505 and the top intercommunication of inlet pipe 2, barrel 502 inner wall still is equipped with first filter 507 from last to down in proper order, second filter 508, first filter 507 and second filter 508 all set up along the horizontal direction.

This embodiment, vacuum pump body 1 during operation enters into barrel 502 through connecting pipe 4 earlier, then filters through first filter 507 and second filter 508, then discharges to vacuum pump body 1, and at the in-process of transmission, first filter 507 and second filter 508 can play the filtering action, guarantee the filter effect.

According to an embodiment of the present invention, as shown in fig. 2-3, the inner wall of the cylinder 502 is fixedly installed with two installation guide rails 506 for installing the first filter 507 and the second filter 508, the outer walls of the two sides of the first filter 507 and the second filter 508 are slidably connected with the installation guide rails 506, by setting the installation guide rails 506, when the first filter 507 and the second filter 508, only the first filter 507 and the second filter need to be inserted into the inner walls of the installation guide rails 506 from the opening of the cylinder 502, which is convenient for operation.

According to the utility model discloses a further embodiment, as shown in fig. 3, the recess 5031 corresponding with first filter 507 and second filter 508 position is seted up to the closing plate 503 medial surface, first filter 507 and second filter 508 extend to in the recess 5031, and the junction of first filter 507 and second filter 508 and recess 5031 is equipped with sealed the pad 5032, sealed pad 5032 and recess 5031 inner wall fixed connection, through set up sealed pad 5032 in the junction of first filter 507 and second filter 508 and recess 5031, in filterable in-process, can guarantee to pass through the material all through the filter, avoid appearing the possibility of direct outflow in the junction of first filter 507 and second filter 508 and recess 5031.

In an embodiment of the present invention, as shown in fig. 3 to 4, the first filter 507 and the second filter 508 have the same structure, the cavity 6 is formed on one side of the first filter 507 near the sealing plate 503, the handle 7 is fixedly mounted on the inner wall of the cavity 6, and the first filter 507 and the second filter 508 can be taken out from the barrel 502 conveniently by mounting the handle 7 on the first filter 507 and the second filter 508.

In addition, the shapes of the feeding port 504 and the discharging port 505 are the same and are both conical, the feeding port 504 and the discharging port 505 are both set to be conical, the calibers of feeding and discharging can be increased, feeding and discharging are facilitated, the filter screens 8 are fixedly mounted on the outer sides of the feeding port 504 and the discharging port 505, the filter screens 8 are mounted on the outer sides of the feeding port 504 and the discharging port 505, the filter screens 8 respectively filter in feeding and discharging, and the filtering effect can be greatly improved.

The utility model discloses a theory of operation:

vacuum pump body 1 during operation, enter into barrel 502 through connecting pipe 4 earlier, then filter through first filter 507 and second filter 508 in proper order, then discharge to vacuum pump body 1 through inlet pipe 2, in the in-process of transmission, first filter 507 and second filter 508 can play the filtering action, guarantee the filter effect, when first filter 507 or second filter 508 use for a long time and take place to block up, open closing plate 503, can take out first filter 507 or second filter 508 through pulling handle 7, convenient clearance, need not dismantle filtering component 5 completely, the leakproofness between filtering component 5 and connecting pipe 4 and the inlet pipe 2 has been guaranteed.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A waterless dry-type high-vacuum pump device is characterized in that: the vacuum pump comprises a vacuum pump body (1), wherein a feeding pipe (2) is arranged on one side of the top of the vacuum pump body (1), a discharging pipe (3) is arranged on the other side of the top of the vacuum pump body (1), a connecting pipe (4) is further arranged on the top of the feeding pipe (2), and a filtering assembly (5) is arranged between the connecting pipe (4) and the feeding pipe (2);

filter component (5) include barrel (502), and barrel (502) set up along the horizontal direction, and barrel (502) one end is seal structure, and barrel (502) other end is open structure, and the opening part outer wall fixedly connected with closing plate (503) of barrel (502), barrel (502) top is equipped with feed inlet (504), and barrel (502) bottom is equipped with discharge gate (505), feed inlet (504) top and connecting pipe (4) bottom intercommunication, the bottom of discharge gate (505) and the top of inlet pipe (2) intercommunication, barrel (502) inner wall still is equipped with first filter (507), second filter (508) from last to down in proper order, and first filter (507) and second filter (508) all set up along the horizontal direction.

2. A waterless dry-type high-vacuum pump apparatus as defined in claim 1, wherein: the inner wall of the cylinder body (502) is fixedly provided with two mounting guide rails (506) used for mounting a first filter plate (507) and a second filter plate (508), and the outer walls of the two sides of the first filter plate (507) and the second filter plate (508) are connected with the mounting guide rails (506) in a sliding manner.

3. A waterless dry-type high-vacuum pump apparatus as defined in claim 1, wherein: the inner side surface of the sealing plate (503) is provided with a groove (5031) corresponding to the positions of the first filter plate (507) and the second filter plate (508), the first filter plate (507) and the second filter plate (508) extend into the groove (5031), and a sealing gasket (5032) is arranged at the joint of the first filter plate (507) and the groove (5031) and the joint of the second filter plate (508) and the groove (5031).

4. A waterless dry-type high-vacuum pump apparatus as defined in claim 1, wherein: first filter (507) and second filter (508) structure are the same, and cavity (6) have been seted up to one side that first filter (507) is close to closing plate (503), and cavity (6) inner wall fixed mounting has handle (7).

5. A waterless dry-type high-vacuum pump apparatus as defined in claim 1, wherein: the cylinder body (502) is fixedly arranged on the vacuum pump body (1) through a fixing frame (501).

6. A waterless dry-type high-vacuum pump apparatus as defined in claim 1, wherein: the feed inlet (504) and the discharge outlet (505) are in the same shape and are both conical.

7. A waterless dry-type high-vacuum pump apparatus as defined in claim 6, wherein: the outer sides of the feeding hole (504) and the discharging hole (505) are fixedly provided with filter screens (8).