CN209838788U

CN209838788U - Molecular pump filter equipment

Info

Publication number: CN209838788U
Application number: CN201920070947.8U
Authority: CN
Inventors: 王峥; 龙睿芬; 薛道荣
Original assignee: BEIJING AOPU KEXING TECHNOLOGY Co Ltd
Current assignee: BEIJING AOPU KEXING TECHNOLOGY Co Ltd
Priority date: 2019-01-16
Filing date: 2019-01-16
Publication date: 2019-12-24
Anticipated expiration: 2029-01-16

Abstract

The utility model discloses a molecular pump filter equipment, including the filter equipment body, be equipped with U type groove on the filter equipment body, the solid fixed ring of fixedly connected with on the outer loop in U type groove, gu fixed ring is used for with molecular pump mouth flange joint, one side inner wall fixedly connected with a plurality of connecting plate in U type groove, the connecting plate is connected with the fender lid, the opposite side inner wall connection in U type groove has the acute angle portion of bending. The utility model discloses the molecular pump mouth sets up a filter equipment, can prevent that the glass piece from getting into the molecular pump, has avoided the damage of molecular pump, prolongs the life of molecular pump, has reduced the maintenance cost.

Description

Molecular pump filter equipment

Technical Field

The utility model relates to a solar energy collection pipe exhaust system technical field particularly, relates to a molecular pump filter equipment.

Background

The solar heat collecting tube is divided into an inner tube and an outer tube, the inner tube and the outer tube are concentrically arranged, a vacuum interlayer is arranged in the middle of the inner tube and the outer tube, and at present, an exhaust system of the solar heat collecting tube comprises a molecular pump and a mechanical pump, wherein the molecular pump is connected with the hollow interlayer of the heat collecting tube through a pipeline. In the exhaust heating process, the situation that the glass tube of the heat collecting tube bursts can occur, at the moment, broken glass tube slag can fall into a vacuum pipeline and can be seriously sucked into the molecular pump, the molecular pump is damaged, and the maintenance cost of the molecular pump is increased.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned technical problem among the correlation technique, the utility model provides a molecular pump filter equipment can overcome prior art's the aforesaid not enough.

In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a molecular pump filter equipment, includes the filter equipment body, be equipped with U type groove on the filter equipment body, the solid fixed ring of fixedly connected with on the outer loop in U type groove, gu fixed ring is used for with molecular pump mouth flange joint, a plurality of connecting plate of one side inner wall fixedly connected with in U type groove, the connecting plate is connected with the fender lid, the opposite side inner wall connection in U type groove has the acute angle portion of bending.

Furthermore, each connecting plate is provided with a groove, and the blocking cover is connected with the connecting plate through inserting the connecting plate.

Furthermore, the connecting plate is connected with the inner wall of one side of the U-shaped groove in a welding mode.

Furthermore, the number of the connecting plates is 3-5.

Further, the baffle is of a conical structure.

Furthermore, the fixing ring is connected with the outer ring of the U-shaped groove in a welding mode.

The utility model has the advantages that: the utility model discloses the molecular pump mouth sets up a filter equipment, can prevent that the glass piece from getting into the molecular pump, has avoided the damage of molecular pump, prolongs the life of molecular pump, has reduced the maintenance cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a cross-sectional view of a molecular pump filtration device according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a molecular pump filtration device according to the present invention;

in the figure: 1. a blocking cover; 2. a connecting plate; 3. a U-shaped groove; 4. a fixing ring; 5. an impurity retention region; 6. an air flow channel.

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 all belong to the protection scope of the present invention.

As shown in fig. 1-2, according to the embodiment of the utility model provides a molecular pump filter equipment, including the filter equipment body, be equipped with U type groove 3 on the filter equipment body, solid fixed ring 4 of fixedly connected with on the outer loop of U type groove 3, gu fixed ring 4 is used for with molecular pump mouth flange joint, a plurality of connecting plate 2 of one side inner wall fixedly connected with of U type groove 3, connecting plate 2 is connected with fender lid 1, the opposite side inner wall connection of U type groove 3 has the acute angle portion of bending.

In a specific embodiment, each connecting plate 2 is provided with a groove, and the blocking cover 1 is connected with the connecting plate 2 by inserting the connecting plate 2.

In a specific embodiment, the connecting plate is welded and connected with the inner wall of one side of the U-shaped groove 3.

In a specific embodiment, the number of the connecting plates 2 is 3-5.

In a specific embodiment, the baffle 1 is of a conical structure.

In a specific embodiment, the fixing ring 4 is welded to the outer ring of the U-shaped groove 3.

For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.

According to the molecular pump filtering device provided by the utility model, the device is arranged at the molecular pump port and comprises a blocking cover 1, a connecting plate 2, a U-shaped groove 3 and a fixing ring 4; the retaining cover 1 is arranged in a conical cap structure and is welded with the U-shaped groove through the connecting plate 2, and the fixing ring 4 is welded with the outer ring of the U-shaped groove 3; the connecting plate 2 is provided with a groove, and the baffle cover 1 is inserted into the groove of the connecting plate 2; the number of the connecting plates 2 can be 3-5; the inner ring of the U-shaped groove 3 is provided with an acute angle bend, so that small glass slag can be prevented from flying out of the U-shaped groove; the outer diameter of the fixing ring 4 is slightly smaller than the diameter of the molecular pump port flange, and the fixing ring can be directly placed on the molecular pump port flange.

At specific during operation, filter equipment's solid fixed ring 4 card is on the molecular pump mouth flange, and when the glass pipe was broken, the glass pipe disintegrating slag was along with the air current through keeping off lid 1 entering U type inslot, and the disintegrating slag stops in impurity stay region 5 under the effect of centrifugal force, and gas continues to flow through airflow channel 6.

To sum up, the utility model discloses the molecular pump mouth sets up a filter equipment, can prevent that the glass piece from getting into the molecular pump, has avoided the damage of molecular pump, prolongs the life of molecular pump, has reduced the maintenance cost.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a molecular pump filter equipment, its characterized in that, includes the filter equipment body, be equipped with U type groove (3) on the filter equipment body, solid fixed ring of fixedly connected with (4) on the outer loop of U type groove (3), gu fixed ring (4) are used for with molecular pump mouth flange joint, one side inner wall fixedly connected with a plurality of connecting plate (2) of U type groove (3), connecting plate (2) are connected with fender lid (1), the opposite side inner wall connection of U type groove (3) has the acute angle portion of bending.

2. A molecular pump filtration unit according to claim 1, wherein each connection plate (2) is provided with a groove, and the flap (1) is connected to the connection plate (2) by inserting the connection plate (2).

3. A molecular pump filtering device according to claim 2, wherein the connecting plate is welded to one side of the inner wall of the U-shaped groove (3).

4. A molecular pump filtration unit according to claim 3, wherein the number of said connection plates (2) is 3-5.

5. A molecular pump filtration unit according to claim 2, wherein the shield (1) is of conical configuration.

6. A molecular pump filtration unit according to claim 1, wherein the fixing ring (4) is welded to the outer ring of the U-shaped groove (3).