CN212958845U

CN212958845U - Turbo-charging self-cleaning pre-filter with low noise

Info

Publication number: CN212958845U
Application number: CN202021630960.3U
Authority: CN
Inventors: 陈青峰
Original assignee: Henan Netcom Industrial Co ltd
Current assignee: Henan Netcom Industrial Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-04-13
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses a leading filter of turbocharged self-cleaning that noise is little, concretely relates to filter technical field, including shell body and drain, drain fixed connection is in the bottom of shell body, one side of drain is provided with the blowoff valve. The utility model discloses a buffering protective structure, buffering protective structure includes first buffer board, first buffer board activity articulates on the inside top of air inlet, be fixed with first spring between the top of first buffer board one side and the inside top of air inlet, when using, the air inlet is at the in-process that admits air, because the gas impact force is great, so can open first buffer board and second buffer board top, first spring and second spring can play the buffering effect to first buffer board and second buffer board, first buffer board and second buffer board just can cushion admitting air like this, avoid damaging because the great filter core that causes of impact force, the life of extension filter core.

Description

Turbo-charging self-cleaning pre-filter with low noise

Technical Field

The utility model relates to a filter technical field specifically is a leading filter of little turbo-charging self-cleaning of noise.

Background

The turbocharging technology is a technology for improving the air intake capability of an engine, and is most commonly used for an automobile engine, a pre-filter is usually arranged at the front end of turbocharging to mainly filter impurities in intake air and protect the automobile engine, the existing turbocharging pre-filter has an automatic cleaning function, but the existing turbocharging self-cleaning pre-filter still has many problems and defects.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) the traditional low-noise turbo-charging automatic cleaning pre-filter has the advantages that the filter element is easy to damage due to the large impact force of air inlet, and the service life of the filter element is shortened;

(2) the traditional low-noise turbocharging automatic cleaning pre-filter element is difficult to install, has poor installation stability and cannot meet the use requirement;

(3) the traditional turbine pressure boost self-cleaning leading filter air inlet that the noise is little and the gas outlet is inconvenient to carry out sealing connection, and the condition of gas leakage appears easily in the junction, is not convenient for use.

Disclosure of Invention

An object of the utility model is to provide a leading filter of turbocharged self-cleaning that the noise is little to propose in solving above-mentioned background art because the impact force of admitting air is great, damage the filter core easily, reduce the life's of filter core problem.

In order to achieve the above object, the utility model provides a following technical scheme: a turbo-charging automatic cleaning pre-filter with low noise comprises an outer shell and a sewage draining outlet, wherein the sewage draining outlet is fixedly connected to the bottom end of the outer shell, a sewage draining valve is arranged on one side of the sewage draining outlet, a filter element is arranged inside the outer shell, an air inlet is formed in the top end of one side of the outer shell, an air outlet is formed in the top end of the other side of the outer shell, sealing connection structures are respectively arranged on one sides of the air inlet and the air outlet, and a buffering protection structure is arranged inside the air inlet;

buffering protective structure includes first buffer board, first buffer board activity hinge is on the inside top of air inlet, the first spring of fixedly connected with between the top of first buffer board one side and the inside top of air inlet, the inside bottom activity hinge of air inlet has the second buffer board, fixedly connected with second spring between one side of second buffer board bottom and the bottom of air inlet.

Preferably, the first buffer plate and the first spring are respectively and symmetrically distributed with the second buffer plate and the second spring about a horizontal center line of the air inlet.

Preferably, the middle position department on both sides and the top of filter core is fixedly connected with connecting rod respectively, the one end fixedly connected with joint piece respectively of connecting rod, the middle position department on both sides and the top of the inside lateral wall of shell body is fixedly connected with fixed slot respectively.

Preferably, the number of the fixing grooves and the number of the clamping blocks are four, and the fixing grooves correspond to the clamping blocks one to one.

Preferably, the outer diameter of the clamping block is smaller than the inner diameter of the fixing groove, and the fixing groove and the clamping block are connected in a clamping mode.

Preferably, the sealing connection structure comprises a connecting flange, a locking bolt, a locking hole, a groove and a sealing ring, wherein the connecting flange is fixedly connected to one side of the air inlet and the air outlet respectively, the locking hole is uniformly formed in the outer edge position of the connecting flange, the locking bolt is arranged in the locking hole, the groove is formed in the inner ring position of the connecting flange, and the sealing ring is fixedly connected to the inner part of the groove.

Preferably, the locking holes are distributed in an annular shape at the outer edge of the connecting flange, and the thickness of the sealing ring is larger than the depth of the groove.

Compared with the prior art, the beneficial effects of the utility model are that: the low-noise turbocharging automatic cleaning pre-filter not only prevents the filter element from being damaged due to larger impact force of air inlet and prolongs the service life of the filter element, but also realizes simple installation of the filter element, better installation stability and capability of meeting the use requirement, and realizes that the air inlet and the air outlet are conveniently connected in a sealing way, the air leakage condition at the joint is not easy to occur, and the use is convenient;

(1) through the buffering protection structure, the buffering protection structure comprises a first buffer plate, the first buffer plate is movably hinged to the top end inside the air inlet, a first spring is fixed between the top end of one side of the first buffer plate and the top end inside the air inlet, a second buffer plate is movably hinged to the bottom end inside the air inlet, and a second spring is fixed between one side of the bottom end of the second buffer plate and the bottom end of the air inlet;

(2) the connecting rods are respectively fixed at the two sides of the filter element and the middle position of the top end of the filter element, the clamping blocks are respectively fixed at one end of each connecting rod, the fixing grooves are respectively fixed at the two sides of the side wall inside the outer shell and the middle position of the top end of the side wall inside the outer shell, and when the filter element fixing device is used, the clamping blocks at the two sides of the filter element and the top end of the filter element are sequentially clamped and connected inside the fixing grooves in a clamping manner, so that the filter element can be installed inside the outer shell, meanwhile, the connecting rods can also play a supporting role on the filter element;

(3) through being provided with flange, locking bolt, locking hole, recess and sealing washer, when using, pass through locking bolt with flange and fix on corresponding the flange on the pipeline, after the locking, can realize sealed through the sealing washer between flange and the flange on the pipeline this moment, just so can be connected this leading filter in the position department that corresponds, and can guarantee the leakproofness of junction, avoid gas leakage, the use of this leading filter of being convenient for.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic view of an enlarged front view cross section of the air inlet of the present invention;

FIG. 3 is a schematic side view of the connecting flange of the present invention;

fig. 4 is a schematic view of the filter element of the present invention viewed from the bottom.

In the figure: 1. an outer housing; 2. a blowoff valve; 3. a sewage draining outlet; 4. a filter element; 5. fixing grooves; 6. a connecting rod; 7. a sealing connection structure; 701. a connecting flange; 702. a locking bolt; 703. a locking hole; 704. a groove; 705. a seal ring; 8. an air inlet; 9. an air outlet; 10. a first buffer plate; 11. a first spring; 12. a second buffer plate; 13. a second spring; 14. and a clamping 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.

Example 1: referring to fig. 1-4, a low-noise turbocharging automatic cleaning pre-filter comprises an outer shell 1 and a sewage draining outlet 3, wherein the sewage draining outlet 3 is fixedly connected to the bottom end of the outer shell 1, a sewage draining valve 2 is arranged on one side of the sewage draining outlet 3, a filter element 4 is arranged inside the outer shell 1, an air inlet 8 is arranged at the top end of one side of the outer shell 1, an air outlet 9 is arranged at the top end of the other side of the outer shell 1, a sealing connection structure 7 is respectively arranged on one side of the air inlet 8 and one side of the air outlet 9, and a buffering;

referring to fig. 1-4, the low-noise turbocharged automatic cleaning prefilter further comprises a buffering protection structure, wherein the buffering protection structure comprises a first buffer plate 10, the first buffer plate 10 is movably hinged to the top end inside the air inlet 8, a first spring 11 is fixedly connected between the top end of one side of the first buffer plate 10 and the top end inside the air inlet 8, a second buffer plate 12 is movably hinged to the bottom end inside the air inlet 8, and a second spring 13 is fixedly connected between one side of the bottom end of the second buffer plate 12 and the bottom end of the air inlet 8;

the first buffer plate 10 and the first spring 11 are respectively and symmetrically distributed with the second buffer plate 12 and the second spring 13 about the horizontal center line of the air inlet 8;

specifically, as shown in fig. 1 and 2, when the air filter is used, the air inlet 8 can push the first buffer plate 10 and the second buffer plate 12 open due to large impact force of air in the air inlet process, and the first spring 11 and the second spring 13 can play a role in buffering the first buffer plate 10 and the second buffer plate 12, so that the first buffer plate 10 and the second buffer plate 12 can buffer air inlet, damage to the filter element 4 due to large impact force is avoided, and the service life of the filter element 4 is prolonged.

Example 2: the two sides of the filter element 4 and the middle position of the top end are respectively and fixedly connected with a connecting rod 6, one end of the connecting rod 6 is respectively and fixedly connected with a clamping block 14, and the two sides of the inner side wall of the outer shell 1 and the middle position of the top end are respectively and fixedly connected with a fixing groove 5;

the number of the fixing grooves 5 and the number of the clamping blocks 14 are four, and the fixing grooves 5 correspond to the clamping blocks 14 one by one;

the outer diameter of the clamping block 14 is smaller than the inner diameter of the fixing groove 5, and the fixing groove 5 and the clamping block 14 are in clamping connection;

specifically, as shown in fig. 1 and 4, when using, connect the joint piece 14 on filter core 4 both sides and top in proper order in the inside of fixed slot 5 through the block connection joint, just so can install filter core 4 in the inside of shell body 1, connecting rod 6 can also play the supporting role to filter core 4 simultaneously, can improve the stability of filter core 4 installation like this, can satisfy the needs that use.

Example 3: the sealing connection structure 7 is composed of a connection flange 701, locking bolts 702, locking holes 703, a groove 704 and a sealing ring 705, the connection flange 701 is fixedly connected to one side of the air inlet 8 and one side of the air outlet 9 respectively, the locking holes 703 are uniformly arranged at the outer edge position of the connection flange 701, the locking bolts 702 are arranged inside the locking holes 703, the groove 704 is arranged at the inner ring position of the connection flange 701, and the sealing ring 705 is fixedly connected inside the groove 704;

the locking holes 703 are distributed annularly at the outer edge of the connecting flange 701, and the thickness of the sealing ring 705 is larger than the depth of the groove 704;

specifically, as shown in fig. 1 and fig. 3, when in use, the connecting flange 701 is fixed on a flange on a corresponding pipeline through the locking bolt 702, and after locking, sealing can be achieved between the connecting flange 701 and the flange on the pipeline through the sealing ring 705, so that the pre-filter can be connected at a corresponding position, the sealing performance of the connection position can be ensured, air leakage is avoided, and the use of the pre-filter is facilitated.

The working principle is as follows: the utility model discloses when using, at first, the air inlet 8 is at the in-process that admits air, because the gas impact force is great, so can push away first buffer board 10 and second buffer board 12, first spring 11 and second spring 13 can play the buffering effect to first buffer board 10 and second buffer board 12, and first buffer board 10 and second buffer board 12 just can cushion admitting air like this, avoid because the great filter core 4 that causes of impact force damages, prolong the life of filter core 4.

Later, when using, connect the joint in the inside of fixed slot 5 through the block with the joint piece 14 on filter core 4 both sides and top in proper order, just so can install filter core 4 in the inside of shell body 1, connecting rod 6 can also play the supporting role to filter core 4 simultaneously, can improve the stability of filter core 4 installation like this, can satisfy the needs that use.

Finally, when the pre-filter is used, the connecting flange 701 is fixed on a flange on a corresponding pipeline through the locking bolt 702, after locking, sealing can be achieved between the connecting flange 701 and the flange on the pipeline through the sealing ring 705, so that the pre-filter can be connected at the corresponding position, the sealing performance of the connecting position can be guaranteed, air leakage is avoided, and the pre-filter is convenient to use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a leading filter of little turbocharged self-cleaning of noise, includes shell body (1) and drain (3), its characterized in that: the sewage draining outlet (3) is fixedly connected to the bottom end of the outer shell (1), a sewage draining valve (2) is arranged on one side of the sewage draining outlet (3), a filter element (4) is arranged inside the outer shell (1), an air inlet (8) is arranged on the top end of one side of the outer shell (1), an air outlet (9) is arranged on the top end of the other side of the outer shell (1), a sealing connection structure (7) is respectively arranged on one side of the air inlet (8) and one side of the air outlet (9), and a buffering protection structure is arranged inside the air inlet (8);

buffering protective structure includes first buffer board (10), first buffer board (10) activity hinge is on the inside top of air inlet (8), first spring (11) of fixedly connected with between the top of first buffer board (10) one side and the inside top of air inlet (8), the inside bottom activity hinge of air inlet (8) has second buffer board (12), fixedly connected with second spring (13) between one side of second buffer board (12) bottom and the bottom of air inlet (8).

2. A low noise, turbocharged, automatic cleaning prefilter of claim 1 wherein: the first buffer plate (10) and the first spring (11) are respectively distributed symmetrically with the second buffer plate (12) and the second spring (13) about the horizontal center line of the air inlet (8).

3. A low noise, turbocharged, automatic cleaning prefilter of claim 1 wherein: the filter core is characterized in that the two sides of the filter core (4) and the middle position of the top end are respectively and fixedly connected with a connecting rod (6), one end of the connecting rod (6) is respectively and fixedly connected with a clamping block (14), and the two sides of the inner side wall of the outer shell (1) and the middle position of the top end are respectively and fixedly connected with a fixing groove (5).

4. A low noise, turbocharged, automatic cleaning prefilter of claim 3 wherein: the fixing grooves (5) and the clamping blocks (14) are four in number respectively, and the fixing grooves (5) correspond to the clamping blocks (14) one to one.

5. A low noise, turbocharged, automatic cleaning prefilter of claim 3 wherein: the outer diameter of the clamping block (14) is smaller than the inner diameter of the fixing groove (5), and the fixing groove (5) is connected with the clamping block (14) in a clamping mode.

6. A low noise, turbocharged, automatic cleaning prefilter of claim 1 wherein: the sealing connection structure (7) is composed of a connecting flange (701), a locking bolt (702), a locking hole (703), a groove (704) and a sealing ring (705), wherein the connecting flange (701) is respectively and fixedly connected to one side of an air inlet (8) and one side of an air outlet (9), the locking hole (703) is uniformly arranged at the position of the outer edge of the connecting flange (701), the locking bolt (702) is arranged inside the locking hole (703), the groove (704) is arranged at the position of the inner ring of the connecting flange (701), and the sealing ring (705) is fixedly connected inside the groove (704).

7. A low noise, turbocharged, automatic cleaning prefilter of claim 6 wherein: the locking holes (703) are distributed in an annular shape at the position of the outer edge of the connecting flange (701), and the thickness of the sealing ring (705) is larger than the depth of the groove (704).