CN213699145U

CN213699145U - Air suction filter

Info

Publication number: CN213699145U
Application number: CN202022526081.2U
Authority: CN
Inventors: 王奇林; 李以尚; 孙昊
Original assignee: Jiangnan Lmart Equipment Manufacturing Zhangjiagang Co ltd
Current assignee: Suzhou Limat Energy Equipment Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-07-16
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a filter of breathing in, including hollow barrel, set up medium import and the gas outlet on the barrel, the filter of breathing in is still including locating in the barrel and one end and the communicating filter core of medium import, and the filter core radially reduces along the direction with the communicating one end of medium import to its other end. The utility model discloses a suction filter can be along the filter core of the radial reduction of direction of the one end that communicates with each other with the medium import to its other end through setting up, make the filter medium can move towards the conical roof along the conical filter screen after getting into from the filter core entry, avoid the medium loss and adsorb at the dead angle, guaranteed the utilization ratio of filter screen, great improvement filtration efficiency; simultaneously, through the setting of pull rod, support frame and bracing piece for the filter core no longer need with the boss joint at barrel both ends, has eliminated the joint clearance, has guaranteed the tightness of installation.

Description

Air suction filter

Technical Field

The utility model relates to a refrigerating unit equipment field, concretely relates to filter of breathing in.

Background

The refrigerating unit is a whole formed by assembling partial equipment in a refrigerating system in a matching way. The suction filter is an indispensable device in the refrigerating unit and is installed at the inlet end of the refrigerating unit to remove impurities in the medium and protect the normal use of the equipment.

However, in the existing air suction filter, a filter element in the filter is usually a cylinder, and a medium enters from an inlet and then escapes to the periphery and is adsorbed at the dead angle of the cylinder, so that part of the filter element is failed, and the filtering effect is greatly influenced; simultaneously, present filter of breathing in, its barrel both ends are inside protruding to form the boss, cylindric filter core both ends can be respectively the joint realize the installation on two bosss, however, on the one hand, filter core and boss can have the clearance after the joint, lead to in the use medium to leak from this part clearance, influence the filter effect, on the other hand, in the use, can the adsorption media in the draw-in groove at filter core both ends, when dismantling the back and installing once more, can lead to the filter core can't with the boss joint smoothly.

Disclosure of Invention

The utility model aims at overcoming the not enough of prior art, provide an improved filter of breathing in.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a filter of breathing in, includes hollow barrel, sets up in medium import and the gaseous export on the barrel, filter of breathing in still including setting up in the barrel and one end with the communicating filter core of medium import, the filter core along with the communicating one end of medium import is rather than the direction radial reduction of other end.

Preferably, the air suction filter further comprises a support frame which is arranged in the medium inlet and two ends of which are respectively connected with the cylinder body, and one end of the filter element can be matched and abutted against the support frame.

Further preferably, the support frame is long and extends in the vertical direction. So, long banding support frame can enough make the filter core by effectual fixed, does not also influence the medium flow of medium import simultaneously.

Further preferably, the filter core includes the filter screen, along the axial lead direction of filter screen wears to locate pull rod in the filter screen, pull rod one end detachable connect in on the support frame.

Still further preferably, the suction filter further comprises a connecting part located in the middle of the support frame, and one end of the pull rod can be fittingly inserted into the connecting part. Like this for the tie point of pull rod can be located the middle part of support frame, guarantees that the filter core can be fixed at equipment center.

Still further preferably, the suction filter further comprises a support plate sleeved at the other end of the pull rod and capable of being matched with the pull rod to abut against the filter screen, and a nut which is in threaded connection with the pull rod and used for locking the support plate.

Still further preferably, the cylinder includes a cylinder body, two flange rings respectively disposed at two ends of the cylinder body, and a flange cover covering one of the two flange rings, and the inner annular opening of the other of the two flange rings forms the medium inlet.

Still further preferably, an outer peripheral side portion of the support plate is fittingly abutted against an inner annular surface of the flange ring covering the flange cover.

Still further preferably, the suction filter further includes a limiting portion provided on an inner annular surface of the flange ring around the circumference of the flange ring where the flange cover is provided, the limiting portion being located on a side of the support plate close to the filter screen.

Preferably, the medium inlet is arranged at one end part of the cylinder, and the gas outlet is arranged on the side wall of the cylinder.

Further, a thermometer is inserted into the cylinder and can penetrate into the medium inlet to detect the temperature of the introduced medium.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a suction filter can be along the filter core of the radial reduction of direction of the one end that communicates with each other with the medium import to its other end through setting up, make the filter medium can move towards the conical roof along the conical filter screen after getting into from the filter core entry, avoid the medium loss and adsorb at the dead angle, guaranteed the utilization ratio of filter screen, great improvement filtration efficiency; simultaneously, through the setting of pull rod, support frame and bracing piece for the filter core no longer need with the boss joint at barrel both ends, has eliminated the joint clearance, has guaranteed the tightness of installation.

Drawings

Fig. 1 is a schematic view of the internal structure of an intake filter according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the support frame installed at the medium inlet according to the embodiment of the present invention.

In the figure: 1. a barrel; 1a, a cylinder body; 1b, a flange ring; 1c, a flange cover; 2. a media inlet; 3. a gas outlet; 4. a filter element; 4a, a filter screen; 4b, a pull rod; 5. a support frame; 5a, a connecting part; 6. a support plate; 7. a nut; 8. a limiting part; 9. a thermometer.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

The utility model relates to an to the improvement of inhaling gas filter. The improved air suction filter has the advantages that the filter element which can be radially reduced along the direction from one end communicated with the medium inlet to the other end is arranged, so that a filter medium can move towards a conical top along the conical filter screen after entering from the filter element inlet, the medium is prevented from dissipating and being adsorbed at dead angles, the utilization rate of the filter screen is ensured, and the filtering efficiency is greatly improved; simultaneously, through the setting of pull rod, support frame and bracing piece for the filter core no longer need with the boss joint at barrel both ends, has eliminated the joint clearance, has guaranteed the tightness of installation.

Referring to fig. 1-2, there is shown a getter filter comprising a hollow cylinder 1, a medium inlet 2 and a gas outlet 3 opening onto the cylinder 1, a filter insert 4 arranged inside the cylinder 1 and having one end communicating with the medium inlet 2, wherein the filter insert 4 decreases radially from the end communicating with the medium inlet 2 to the other end thereof.

Wherein, filter core 4 includes filter screen 4a, wears to locate the pull rod 4b in the filter screen 4a along the axial lead direction of filter screen 4a, and the filter of breathing in still including locating in medium import 2 and both ends respectively with the support frame 5 that barrel 1 is connected, support frame 5 is rectangular form and extends along upper and lower direction, pull rod 4b one end detachable connect on support frame 5, the one end of filter screen 4a can the supporting leaning on support frame 5 of complex. In this way, the long-strip-shaped support frame 5 can not only effectively fix the filter element 4, but also does not influence the medium flow of the medium inlet 2.

Further, the air suction filter also comprises a connecting part 5a positioned in the middle of the support frame 5, and one end of the pull rod 4b can be arranged in the connecting part 5a in a penetrating mode in a matching mode. The connecting portion 5a is circular and has a diameter larger than the width of the elongated support frame 5, a screw hole is opened in the connecting portion 5a, and the tie bar 4b can be screwed to the connecting portion 5 a. The connecting portion 5a arranged in the middle of the support frame 5 enables the connecting point of the pull rod 4b to be located in the middle of the support frame 5, and the filter element 4 can be fixed in the center of the equipment.

Furthermore, the suction filter also comprises a support plate 6 which is sleeved at the other end of the pull rod 4b and can be matched with the pull rod to prop against the filter screen 4a, and a nut 7 which is in threaded connection with the pull rod 4b and is used for locking the support plate 6. Through the arrangement of the supporting plate 6 and the nut 7, two ends of the filter screen 4a can be tightly attached to the supporting frame 5 and the supporting plate 6, tightness of two ends is guaranteed, and leakage is avoided; meanwhile, the pull rod 4b and the support frame 5, and the pull rod 4b and the support plate 6 are detachably connected, so that the filter element 4 is convenient to mount and dismount.

In this embodiment, the cylinder 1 includes a cylinder body 1a, two flange rings 1b respectively disposed at two ends of the cylinder body 1a, and a flange cover 1c covering one of the two flange rings 1b, wherein an inner annular opening of the other of the two flange rings 1b forms the medium inlet 2, and an outer peripheral side portion of the support plate 6 can be abutted to an inner annular surface of the flange ring 1b covering the flange cover 1c in a fitting manner.

Preferably, a plurality of gas flow holes (not shown) are formed in the support plate 6, and the gas flow holes are arranged on the support plate 6 outside the periphery of the filter element 4, so that the filtered gas escaping into the flange ring 1b in the cylinder 1 can return to the cylinder 1 and be output from the gas outlet 3.

Further, the suction filter further includes a stopper 8 provided on an inner circumferential surface of the flange ring 1b around the circumference of the flange ring 1b covered with the flange cover 1c, and the stopper 8 is located on a side of the support plate 6 close to the filter net 4 a. The limiting portion 8 can limit the supporting plate 6 when the supporting plate 6 is installed, and prevents the installation position of the supporting plate 6 from falling off from the inner ring of the flange ring 1b due to the fact that the installation position of the supporting plate 6 is too close to the inner ring.

In this embodiment, the medium inlet 2 is disposed at one end of the cylinder 1, and the gas outlet 3 is an outlet pipe flange welded to the sidewall of the cylinder 1. A thermometer 9 is also inserted into the cylinder 1, said thermometer 9 being able to penetrate into the medium inlet 2 for detecting the temperature of the medium flowing in.

The following details the installation and removal process of the filter cartridge of this embodiment: during installation, the pull rod 4b is connected into the connecting part 5a in a threaded manner, the filter screen 4a is sleeved on the pull rod 4b, the support plate 6 is sleeved on the pull rod 4b, the nut 7 is screwed to fix the support plate 6 and the filter screen 4a, and finally the flange cover 1c is covered;

during the dismantlement, take off blind flange 1c, unscrew nut 7, take off backup pad 6, filter screen 4a and pull rod 4b in proper order afterwards can.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a suction filter, includes hollow barrel (1), set up in medium import (2) and gas outlet (3) on barrel (1), its characterized in that: the air suction filter also comprises a filter element (4) which is arranged in the cylinder body (1) and one end of which is communicated with the medium inlet (2), wherein the filter element (4) is radially reduced along the direction from the end communicated with the medium inlet (2) to the other end thereof.

2. A getter filter as in claim 1, wherein: the air suction filter further comprises a support frame (5) which is arranged in the medium inlet (2) and two ends of the support frame are respectively connected with the cylinder body (1), and one end of the filter element (4) can be matched and abutted against the support frame (5).

3. A getter filter as in claim 2, wherein: the support frame (5) is long and extends along the up-and-down direction.

4. A getter filter as in claim 2, wherein: the filter core (4) includes filter screen (4 a), follows the axial lead direction of filter screen (4 a) wears to locate pull rod (4 b) in filter screen (4 a), pull rod (4 b) one end detachable connect in on support frame (5).

5. A getter filter as in claim 4, wherein: the air suction filter also comprises a connecting part (5 a) positioned in the middle of the support frame (5), and one end of the pull rod (4 b) can be matched and arranged in the connecting part (5 a) in a penetrating way.

6. A getter filter as in claim 4, wherein: the air suction filter further comprises a support plate (6) sleeved at the other end of the pull rod (4 b) and capable of being matched to support the filter screen (4 a), and a nut (7) which is in threaded connection with the pull rod (4 b) and used for locking the support plate (6).

7. A getter filter as in claim 6, wherein: the cylinder body (1) comprises a cylinder body (1 a), two flange rings (1 b) respectively arranged at two ends of the cylinder body (1 a), and a flange cover (1 c) covered on one of the two flange rings (1 b), wherein an inner annular opening of the other flange ring (1 b) forms the medium inlet (2).

8. A getter filter as in claim 7, wherein: the outer peripheral side of the support plate (6) can be abutted against the inner ring surface of the flange ring (1 b) covering the flange cover (1 c) in a matched manner.

9. A getter filter as in claim 8, wherein: the air suction filter further comprises a limiting part (8) arranged around the cover and arranged on the inner annular surface of the flange ring (1 b) in the circumferential direction of the flange ring (1 b) of the flange cover (1 c), and the limiting part (8) is located on one side, close to the filter screen (4 a), of the support plate (6).

10. A getter filter as in claim 1, wherein: the medium inlet (2) is arranged at one end part of the cylinder body (1), and the gas outlet (3) is arranged on the side wall of the cylinder body (1).