CN213467197U - End cover of air filter - Google Patents

Abstract

The utility model discloses an air cleaner's end cover, including air cleaner shell, first screw thread has been seted up at air cleaner shell's top, air cleaner shell has the end cover main part through first screw thread threaded connection, the solid fixed ring of bottom fixedly connected with of end cover main part, the bottom mounting of end cover main part is equipped with the sealing washer, and the sealing washer is located solid fixed ring's one side, the end cover main part is equipped with the holding ring in one side of sealing washer is fixed. The utility model has the advantages that: through rotating the end cover main part for solid fixed ring closes with the wrong of air cleaner shell, and first screw thread and second screw thread are shallow screw thread, easy to assemble, twist simultaneously and close the completion back, through controlling the pulling block, make the spring reset, drive the clamp splice card and advance in the draw-in groove, thereby fix the end cover main part once more, but also can the different wall thickness of centre gripping air cleaner shell, gu fixed ring and clamp splice's dual fixed, make fixed effect better.

Description

End cover of air filter

Technical Field

The utility model belongs to the technical field of air cleaner, concretely relates to air cleaner's end cover.

Background

The air filter is an air filter device, and is generally used for dust prevention in clean workshops, clean plants, laboratories and clean rooms, or in electronic mechanical communication equipment. The filter has the models of a primary filter, a medium-efficiency filter, a high-efficiency filter, a sub-high efficiency filter and the like. The various models have different standards and use efficiencies.

At present, for easy dismounting, generally, the end cover is rotated, so that threads on the end cover are screwed with an air filter shell, the end cover is fixed, when the threads are arranged deeply, the installation and the dismounting are troublesome, when the threads are arranged shallowly, the end cover is separated from the air filter due to the reason of mistaken collision, and the end cover is dropped, so that the end cover of the air filter is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air cleaner's end cover to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an air cleaner's end cover, includes air cleaner shell, first screw thread has been seted up at air cleaner shell's top, air cleaner shell has the end cover main part through first screw thread threaded connection, the solid fixed ring of bottom fixedly connected with of end cover main part, the bottom mounting of end cover main part is equipped with the sealing washer, and the sealing washer is located solid fixed ring's one side, the end cover main part is equipped with the holding ring in one side of sealing washer is fixed, the round hole has all been seted up, two in the both sides at holding ring middle part the equal sliding connection in inside of round hole has the movable rod, two the one end of movable rod all rotates and is connected with the connecting rod, two the equal.

Preferably, the outer surface of the fixing ring is provided with a second thread matched with the first thread, and the inside of the second thread is in threaded connection with the outer surface of the first thread.

Preferably, the top end of the air filter shell is provided with a sealing groove, and the inside of the sealing groove is connected with the bottom of the sealing ring in a clamping manner.

Preferably, the clamping grooves are formed in the two sides of the air filter shell, the two sides of the clamping blocks are connected with the inner clamping blocks of the two clamping grooves in a clamped mode respectively, the clamping blocks and the two clamping grooves are both arc-shaped and arc-shaped, and the size of the inner portions of the clamping grooves is matched with the size of the outer portions of the two clamping blocks.

Preferably, rubber pads are fixedly arranged on one sides of the two clamping blocks.

Preferably, the equal fixedly connected with stopper in both sides of movable rod, two first spacing grooves have been seted up respectively in the inside both sides of two round holes to the holding ring, two second spacing grooves have been seted up in proper order in the one end of two round holes respectively to the holding ring, and two second spacing grooves are the axial symmetric distribution, two the both sides of stopper respectively with the inside sliding connection of two first spacing grooves, two one side of stopper is connected with the inside block of two second spacing grooves respectively.

Preferably, two springs are fixedly arranged between the other sides of the two clamping blocks and the two sides of the inner part of the positioning ring respectively.

Preferably, the other ends of the two movable rods are fixedly connected with a pulling block.

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

(1) the utility model discloses an end cover main part, through rotating the end cover main part, make solid fixed ring and air cleaner shell twist and close, first screw thread and second screw thread are shallow screw thread, easy to assemble, twist simultaneously and close the completion back, through controlling the pulling block, make the spring reset, it advances in the draw-in groove to drive the clamp splice card, thereby fix the end cover main part once more, and the air cleaner shell that can also the different wall thicknesses of centre gripping, gu fixed ring and the dual fixed of clamp splice, make fixed effect better, also avoid simultaneously because the design of deep screw thread, lead to needing long-time rotation end cover main part, just can dismantle the problem of end cover main part.

(2) When needs are dismantled, pull the piece through toward pulling outward for clamp splice and draw-in groove separation, extrude the spring simultaneously, wait to the stopper with first spacing groove break away from the block after, rotate and pull the piece, make movable rod and connecting rod take place 90 degrees rotations, then loosen and pull the piece, the spring resets, drives the stopper card and advances the second spacing inslot, this design is convenient when dismantling, fixes the clamp splice, so that unscrew solid fixed ring and air cleaner shell fast.

Drawings

Fig. 1 is a schematic plan view of an end cap of an air filter according to the present invention;

FIG. 2 is a schematic view of the positioning ring according to the present invention;

fig. 3 is a schematic view of a part a of fig. 2 showing an enlarged connection according to the present invention;

FIG. 4 is a schematic view of the second limiting groove of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the clamping block of the present invention.

In the figure: 1. an air filter housing; 2. an end cap body; 3. pulling the block; 4. a movable rod; 5. a positioning ring; 6. a fixing ring; 7. a first thread; 8. a limiting block; 9. a circular hole; 10. a first limit groove; 11. A connecting rod; 12. a spring; 13. a clamping block; 14. a card slot; 15. a sealing groove; 16. a seal ring; 17. A second limit groove; 18. and (7) a rubber pad.

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.

Please refer to fig. 1-5, the utility model provides an air filter's end cover, including air cleaner housing 1, first screw thread 7 has been seted up at air cleaner housing 1's top, air cleaner housing 1 has end cover main part 2 through first screw thread 7 threaded connection, end cover main part 2's the solid fixed ring 6 of bottom fixedly connected with, end cover main part 2's bottom mounting is equipped with sealing washer 16, and sealing washer 16 is located one side of solid fixed ring 6, end cover main part 2 is fixed in one side of sealing washer 16 and is equipped with holding ring 5, round hole 9 has all been seted up to the both sides at holding ring 5 middle part, the equal sliding connection in inside of two round holes 9 has movable rod 4, the one end of two movable rods 4 all rotates and is connected with connecting rod 11, the equal fixedly connected with clamp.

In this embodiment, preferably, the outer surface of the fixing ring 6 is provided with a second thread matched with the first thread 7, and the inside of the second thread is in threaded connection with the outer surface of the first thread 7, so that the end cover main body 2 and the air filter shell 1 can be conveniently and preliminarily fixed.

In this embodiment, preferably, a sealing groove 15 is formed at the top end of the air filter housing 1, and the inside of the sealing groove 15 is connected with the bottom of the sealing ring 16 in a clamping manner, so that the end cover main body 2 and the air filter housing 1 have better sealing performance.

In this embodiment, preferentially, draw-in groove 14 has all been seted up to the both sides of air cleaner shell 1, and the both sides of two clamp splice 13 are connected with the inside block of two draw-in grooves 14 respectively, and two clamp splice 13 and two draw-in grooves 14 all set up to the arc, and the inside size of two draw-in grooves 14 and the outside big or small looks adaptation of two clamp splice 13 make things convenient for fixed end cover main part 2.

In this embodiment, preferably, rubber pads 18 are fixedly disposed on one side of each of the two clamping blocks 13 to protect the air filter housing 1 from being damaged by clamping.

In this embodiment, it is preferred, the equal fixedly connected with stopper 8 in both sides of movable rod 4, two first spacing grooves 10 have been seted up respectively in the inside both sides of two round holes 9 to holding ring 5, two second spacing grooves 17 have been seted up respectively in the one end of two round holes 9 to holding ring 5, and two second spacing grooves 17 are the axial symmetric distribution, the both sides of two stopper 8 respectively with the inside sliding connection of two first spacing grooves 10, one side of two stopper 8 is connected with the inside block of two second spacing grooves 17 respectively, it is convenient fixed with clamp splice 13.

In this embodiment, preferably, two springs 12 are fixedly disposed between the other sides of the two clamping blocks 13 and the two sides inside the positioning ring 5, so that the springs 12 can drive the clamping blocks 13 to be clamped into the clamping grooves 14 and drive the limiting blocks 8 to be clamped into the second limiting grooves 17.

In this embodiment, preferably, the other ends of the two movable rods 4 are fixedly connected with the pulling block 3, so that the movable rods 4 are conveniently controlled.

The utility model discloses a theory of operation and use flow: when the device is used, the fixing ring 6 is aligned to the first thread 7 on the air filter shell 1, the fixing ring 6 is screwed in until the second thread on the fixing ring 6 is completely screwed with the first thread 7 on the air filter shell 1, the sealing ring 16 is also clamped with the sealing groove 15, the pulling block 3 is pulled outwards to ensure that the limiting block 8 is separated from the second limiting groove 17, then the pulling block 3 is rotated to drive the movable rod 4 to rotate so that the limiting block 8 is aligned with the first limiting groove 10, then the pulling block 3 is loosened, the spring 12 is reset to drive the clamping block 13 to be clamped into the clamping groove 14 on the air filter shell 1, at the moment, the end cover main body 2 can be fixed, when the device is disassembled, the pulling block 3 is pulled outwards to ensure that the movable rod 4 drives the clamping block 13 to be gradually separated from the clamping groove 14, meanwhile, the spring 12 is compressed until the limiting block 8 is separated from the first limiting groove 10, and then the pulling block 3 is rotated, make movable rod 4 and connecting rod 11 take place 90 degrees rotations, stopper 8 aligns with second spacing groove 17, loosens the pulling block 3, and spring 12 drives stopper 8 card and advances the second spacing groove 17 in, rotates end cover main part 2 again for first screw 7 on the end cover main part 2 can with the second screw separation of solid fixed ring 6.

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 (8)

1. An end cap for an air filter comprising an air filter housing (1), characterized in that: first screw thread (7) have been seted up at the top of air cleaner shell (1), air cleaner shell (1) has end cover main part (2) through first screw thread (7) threaded connection, the solid fixed ring of bottom fixedly connected with (6) of end cover main part (2), the bottom mounting of end cover main part (2) is equipped with sealing washer (16), and sealing washer (16) are located one side of solid fixed ring (6), end cover main part (2) are fixed in one side of sealing washer (16) and are equipped with holding ring (5), round hole (9), two have all been seted up to the both sides at holding ring (5) middle part the equal sliding connection in inside of round hole (9) has movable rod (4), two the one end of movable rod (4) all rotates and is connected with connecting rod (11), two the equal fixedly connected with clamp splice (13) of one end of connecting rod (11).

2. An air filter end cap according to claim 1, wherein: the outer surface of the fixing ring (6) is provided with a second thread matched with the first thread (7), and the inside of the second thread is in threaded connection with the outer surface of the first thread (7).

3. An air filter end cap according to claim 1, wherein: a sealing groove (15) is formed in the top end of the air filter shell (1), and the inside of the sealing groove (15) is connected with the bottom of the sealing ring (16) in a clamping mode.

4. An air filter end cap according to claim 1, wherein: draw-in groove (14) have all been seted up to the both sides of air cleaner shell (1), two the both sides of clamp splice (13) are connected with the inside block of two draw-in grooves (14) respectively, two clamp splice (13) and two draw-in grooves (14) all set up to the arc, two the inside size of draw-in groove (14) and the outside size looks adaptation of two clamp splices (13).

5. An air filter end cap according to claim 1, wherein: rubber pads (18) are fixedly arranged on one sides of the two clamping blocks (13).

6. An air filter end cap according to claim 1, wherein: the equal fixedly connected with stopper (8) in both sides of movable rod (4), two first spacing grooves (10) have been seted up respectively in the both sides of two round hole (9) insides to holding ring (5), two second spacing grooves (17) have been seted up respectively in the one end of two round hole (9) in proper order to holding ring (5), and two second spacing grooves (17) are the axial symmetry and distribute, two the both sides of stopper (8) are connected with the inside sliding connection of two first spacing grooves (10), two respectively one side of stopper (8) is connected with the inside block of two second spacing grooves (17).

7. An air filter end cap according to claim 1, wherein: two springs (12) are fixedly arranged between the other sides of the two clamping blocks (13) and the two sides of the interior of the positioning ring (5).

8. An air filter end cap according to claim 1, wherein: the other ends of the two movable rods (4) are fixedly connected with a pulling block (3).

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