CN210473272U

CN210473272U - Air suction filter for screw air compressor

Info

Publication number: CN210473272U
Application number: CN201921066275.XU
Authority: CN
Inventors: 凌玉鸿; 吴晓军
Original assignee: Walburg Suzhou Compressor Co Ltd
Current assignee: Walburg Suzhou Compressor Co Ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-05-08
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a suction filter for screw air compressor, including the filter main part, the filter main part includes box and case lid, install locking Assembly in the middle of the surface around the box, box and case lid pass through locking Assembly connects, the box left end face is provided with "T" type groove, the case lid is located "T" type inslot, and the surface around the case lid and the corresponding department of locking Assembly are fixed with the reference column, locking Assembly includes carriage release lever, compression spring and first wedge; the utility model is provided with the locking component, the box body and the box cover can be separated, the filter cartridge in the box body can be conveniently taken out and cleaned, the installation and the disassembly are convenient, and the time and the energy are saved; the utility model discloses with the cooperation of first wedge and second wedge for case lid simple to operate, and do not have under the exogenic action, the case lid can not part with the box, easy operation, and fastening nature is strong.

Description

Air suction filter for screw air compressor

Technical Field

The utility model belongs to the technical field of screw air compressor machine filter, concretely relates to screw air compressor machine is with filter of breathing in.

Background

The suction filter is an indispensable device on the medium conveying pipeline, and is usually installed at the inlet end of a pressure reducing valve, a pressure relief valve, a constant water level valve or other equipment to eliminate impurities in the medium so as to protect the normal use of the valve and the equipment. When fluid enters the filter cartridge with a certain size of filter screen, impurities are blocked, and clean filtrate is discharged from the filter outlet.

The back cover of the existing suction filter is usually fixed on a box body by a plurality of screws, when the existing suction filter needs to be cleaned, one suction filter needs to be disassembled, and then an internal filter cylinder needs to be taken out, so that the problem that a lot of time is consumed and the operation is troublesome is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw air compressor is with filter of breathing in to the back lid of the filter of breathing in who proposes in solving above-mentioned background art all uses a plurality of fix with screws on the box usually, when needing to wash, needs a dismantlement to get off, takes out the section of thick bamboo of inside again, consumes the comparatively trouble problem of the more time of relative consumption.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a screw air compressor is with filter of breathing in, includes filter main body, filter main body includes box and case lid, locking component is installed to the surface centre around the box, box and case lid pass through locking component connects, the box left end face is provided with "T" type groove, the case lid is located "T" type inslot, just around the case lid surface with the corresponding department of locking component is fixed with the second wedge, locking component includes carriage release lever, compression spring and first wedge.

Preferably, the front and rear surfaces of the box body are fixed with mounting blocks, the mounting blocks and the box body are provided with cylindrical holes communicated with the T-shaped groove, a fixing plate is fixed at the outer hole end of each cylindrical hole, one end of the moving rod is positioned at the outer side of the mounting block, and the other end of the moving rod penetrates through the fixing plate and is positioned in the T-shaped groove and fixed with the first wedge-shaped block.

Preferably, compression spring is located the cylinder hole, compression spring cover is established the carriage release lever surface, and its both ends are fixed respectively the fixed plate with first wedge surface, the carriage release lever can be in cylinder hole reciprocating motion around.

Preferably, the first wedge block and the second wedge block are both in a right trapezoid shape, inclined angles of inclined surfaces of the first wedge block and the second wedge block are consistent, and the first wedge block and the second wedge block are matched with each other.

Preferably, eight positioning grooves are circumferentially distributed at the bottom of the T-shaped groove, eight positioning columns are arranged at the positions, corresponding to the positioning grooves, on the right surface of the box cover, sealing rings are fixed on the inner surface of the box cover, and the sealing rings are located on the inner sides of the positioning columns.

Preferably, one side of the sealing ring is in contact with the bottom of the T-shaped groove, two opposite arc-shaped blocks are fixed on the front surface and the rear surface of the positioning column, and the outer surfaces of the arc-shaped blocks are in contact with the inner wall of the positioning groove.

Preferably, the sealing ring is a sponge ring, and the arc block is a rubber block.

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

(1) the utility model discloses be provided with locking Assembly, can be with the box separately with the case lid, be convenient for take out the clearance with the section of thick bamboo of straining of inside, and the installation with dismantle the convenience, save time and energy.

(2) The utility model discloses combine reference column, arc piece and sealing washer, not only can play sealed effect, can also play the fastening to the case lid, avoid leaving the distance between case lid and the box for the case lid removes.

(3) The utility model discloses with the cooperation of first wedge and second wedge for case lid simple to operate, and do not have under the exogenic action, the case lid can not part with the box, easy operation, and fastening nature is strong.

Drawings

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

fig. 2 is a left side view structure diagram of the present invention;

FIG. 3 is a schematic top view of the locking assembly of the present invention;

fig. 4 is a schematic diagram of a right-side view structure of the box cover of the present invention;

FIG. 5 is a left side view of the box body of the present invention;

FIG. 6 is an enlarged schematic view of the arc-shaped block of the present invention;

in the figure: 1. a filter body; 2. a box body; 3. a box cover; 4. a locking assembly; 5. a travel bar; 6. a fixing plate; 7. mounting blocks; 8. a compression spring; 9. a first wedge block; 10. a positioning column; 11. a second wedge block; 12. a seal ring; 13. positioning a groove; 14. a T-shaped groove; 15. an arc-shaped block.

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. 1-6, the present invention provides a technical solution: a suction filter for a screw air compressor comprises a filter main body 1, wherein the filter main body 1 comprises a box body 2 and a box cover 3, a locking assembly 4 is installed in the middle of the front surface and the rear surface of the box body 2, the box body 2 and the box cover 3 are connected through the locking assembly 4, a T-shaped groove 14 is formed in the left end surface of the box body 2, the box cover 3 is located in the T-shaped groove 14, a second wedge-shaped block 11 is fixed on the front surface and the rear surface of the box cover 3 corresponding to the locking assembly 4, the locking assembly 4 comprises a movable rod 5, a compression spring 8 and a first wedge-shaped block 9, the box body 2 is separated from the box cover 3 through the locking assembly 4, a filter cartridge inside the filter cartridge can be conveniently taken out and cleaned, the installation and the disassembly are convenient, an installation block 7 is fixed on the front surface and the rear surface of the box body 2, cylindrical holes communicated with the T-shaped groove 14 are formed in the, the other end passes fixed plate 6 and is located "T" type groove 14, and it is fixed with first wedge 9 on it, compression spring 8 is located the cylinder hole, 8 covers of compression spring are established at carriage release lever 5 surface, its both ends are fixed respectively on fixed plate 6 and first wedge 9 surfaces, carriage release lever 5 can be at cylinder hole reciprocating motion all around, first wedge 9 and second wedge 11's shape is right trapezoid, and the two inclined plane inclination is unanimous, and the two mutually supports, through mutually supporting of two wedges, make case lid 3 simple to operate, and do not have under the exogenic action, case lid 3 can not part with box 2, moreover, the steam generator is simple in operation, the fastening is strong.

In this embodiment, it is preferred, "T" type groove 14 tank bottom becomes the circumference and distributes and has eight constant head tanks 13, 3 right surfaces of case lid and the corresponding department of constant head tank 13 are provided with eight reference columns 10, and 3 internal surface fixed of case lid have sealing washer 12, sealing washer 12 is located reference column 10 inboard, sealing washer 12 one side and the contact of "T" type groove 14 tank bottom, before reference column 10 back fixed surface have two

relative arc piece

15, and 15 surfaces of arc piece and the contact of constant head tank 13 inner wall, sealing washer 12 is the sponge circle, arc piece 15 is the rubber block, can increase the good fastening nature of frictional force between case lid 3 and the box 2 through this kind of setting, prevent that relative movement from appearing in case lid 3 or rocking.

The utility model discloses a theory of operation and use flow: when the utility model is used, the box cover 3 is arranged on the box body 2, in the installation process, the second wedge block 11 is contacted with the locking component 4, the positioning column 10 is aligned with the positioning groove 13, the locking component 4 works synchronously, the sealing ring 12 is compressed, the arc block 15 is contacted with the inner wall of the positioning groove 13, the friction force is increased, after the installation, the locking component 4 is matched and locked with the second wedge block 11, and the sealing ring 12 is in a compressed state; if need take off case lid 3, need outwards stimulate carriage release lever 5 for locking Assembly 4 work, the second wedge 11 with locking Assembly 4 break away from can, this kind of setting makes case lid 3 installation and dismantlement all very convenient, and easy operation saves time and energy.

When the box cover 3 is installed, the locking assembly 4 works, the inclined surface of the second wedge-shaped block 11 on the box cover 3 is in contact with the inclined surface of the first wedge-shaped block 9, in the pushing process, the first wedge-shaped block 9 is extruded to move outwards to drive the movable rod 5 to move outwards, the compression spring 8 is in a compression state until the second wedge-shaped block 11 is separated from the first wedge-shaped block 9, the second wedge-shaped block 11 is positioned at the right side of the first wedge-shaped block 9, and the right-angled edges of the second wedge-shaped block and the first wedge-shaped block are in contact, so that the box cover 3 is fixed, and the box cover 3 cannot be separated from the box body; when the two are required to be separated, the moving rod 5 is manually pulled outwards, so that the first wedge block 9 moves outwards without interfering with the movement of the second wedge block 11.

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 filter of breathing in for screw air compressor, includes filter main part (1), its characterized in that: filter main part (1) includes box (2) and case lid (3), install locking Assembly (4) around box (2) in the middle of the surface, box (2) and case lid (3) pass through locking Assembly (4) are connected, box (2) left end face is provided with "T" type groove (14), case lid (3) are located in "T" type groove (14), just surface around case lid (3) with the corresponding department of locking Assembly (4) is fixed with second wedge (11), locking Assembly (4) include carriage release lever (5), compression spring (8) and first wedge (9).

2. The suction filter for a screw air compressor of claim 1, wherein: surface mounting has installation piece (7) around box (2), be provided with on installation piece (7) and box (2) with the communicating cylinder hole in "T" type groove (14), cylinder hole outer orifice end is fixed with fixed plate (6), carriage release lever (5) one end is located the installation piece (7) outside, the other end passes fixed plate (6) are located in "T" type groove (14), and on it with first wedge (9) are fixed.

3. The suction filter for a screw air compressor of claim 2, wherein: compression spring (8) are located the cylinder hole, compression spring (8) cover is established carriage release lever (5) surface, and its both ends are fixed respectively fixed plate (6) with first wedge (9) surface, carriage release lever (5) can be at cylinder hole reciprocating motion around.

4. The suction filter for a screw air compressor of claim 1, wherein: the shapes of the first wedge-shaped block (9) and the second wedge-shaped block (11) are both right trapezoid, the inclined angles of the inclined surfaces of the first wedge-shaped block and the second wedge-shaped block are consistent, and the first wedge-shaped block and the second wedge-shaped block are matched with each other.

5. The suction filter for a screw air compressor of claim 1, wherein: eight positioning grooves (13) are circumferentially distributed at the bottom of the T-shaped groove (14), eight positioning columns (10) are arranged on the right surface of the box cover (3) corresponding to the positioning grooves (13), a sealing ring (12) is fixed on the inner surface of the box cover (3), and the sealing ring (12) is located on the inner sides of the positioning columns (10).

6. The suction filter for a screw air compressor of claim 5, wherein: one surface of the sealing ring (12) is in contact with the bottom of the T-shaped groove (14), two opposite arc-shaped blocks (15) are fixed on the front surface and the rear surface of the positioning column (10), and the outer surfaces of the arc-shaped blocks (15) are in contact with the inner wall of the positioning groove (13).

7. The suction filter for a screw air compressor of claim 6, wherein: the sealing ring (12) is a sponge ring, and the arc-shaped block (15) is a rubber block.