CN219290921U

CN219290921U - Universal vacuum pump air filter

Info

Publication number: CN219290921U
Application number: CN202223448332.5U
Authority: CN
Inventors: 钱元浦
Original assignee: Soloberg Filter Muffler Manufacturing Suzhou Co ltd
Current assignee: Soloberg Filter Muffler Manufacturing Suzhou Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-07-04
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a general vacuum pump air filter, which relates to the field of filters and comprises a barrel body and a barrel cover, wherein the barrel body and the barrel cover are connected through a connecting mechanism; this general vacuum pump air cleaner through the cooperation of each part of automatic feed mechanism, can clear up the impurity on the filter core inner wall regularly to solved the filter core and blockked up easily and lead to its dust holding volume little problem, the bottom of filter core has certain stock solution space in addition, and then the automatic infiltration downwards of liquid of being convenient for, further makes this vacuum pump air cleaner more general.

Description

Universal vacuum pump air filter

Technical Field

The utility model relates to a filter technology, in particular to a universal vacuum pump air filter.

Background

The vacuum pump filter is a component of a vacuum pump and is used for filtering air with dust and other impurities to obtain clean air.

The utility model discloses a vacuum pump filter in Chinese patent publication No. CN203939671U, which comprises a housing, wherein an air inlet pipe is arranged in the housing, a gap is reserved between the air inlet pipe and the bottom of the housing, a filter element is arranged between the air inlet pipe and the housing, the filter element is a multi-layer screen net structure made of stainless steel, an air inlet channel is arranged between the filter element and the housing, an air outlet channel is arranged between the filter element and the air inlet pipe, and an air outlet is arranged at the top of the air outlet channel. The novel screen-shaped structure is adopted, the screen-shaped structure can be cleaned and repeatedly used, and the shell adopts the buckle-type connecting structure with an upper layer and a lower layer, so that the screen-shaped structure is convenient to detach, clean and maintain;

with respect to the related art in the above, the inventors consider that there are the following drawbacks: this inside unable automatic clearance of going on of filter core results in the dust holding volume of filter core less, needs to dismantle the clearance often to the filter core, has further increased staff's work load.

Disclosure of Invention

The utility model aims to provide a universal vacuum pump air filter which solves the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a general vacuum pump air cleaner, includes staving and bung, be connected through coupling mechanism between staving and the bung, the filter core is installed along its direction of height to the inside of staving, install intake pipe and blast pipe on the outer wall of bung both sides respectively, there is the adapter sleeve along its direction of height rigid coupling on the inner wall at bung top, the one end and the adapter sleeve of intake pipe are linked together, automatic material removing mechanism is installed to the inboard of adapter sleeve, automatic material removing mechanism includes the reciprocating screw that sets up along adapter sleeve direction of height, the link of spiro union outside reciprocating screw and the scraping ring of rigid coupling on the link outer wall.

Further, the outer wall of the barrel body is matched with the inner wall of the barrel cover, and the connecting mechanism comprises two positioning rings which are fixedly sleeved outside the barrel body and the barrel cover respectively, and the two positioning rings are connected with each other along the circumferential direction of the two positioning rings through a plurality of clamping pieces.

Further, the fastener includes two connecting blocks of rigid coupling on two retainer plates keep away from one side outer walls mutually respectively, installs the bolt and the screw cap of spiro union outside the bolt on two connecting blocks, the bolt runs through two connecting blocks setting in proper order, two the connecting block is L type structure.

Further, a motor is arranged at the top of the barrel cover, and the bottom end of an output shaft of the motor extends to the inside of the connecting sleeve and is fixedly connected with the top end of the reciprocating screw.

Further, a guide rod is fixedly connected to the inner wall of the top of the connecting sleeve along the height direction of the inner wall, and the guide rod penetrates through the connecting frame and is in sliding connection with the connecting frame.

Further, the outer wall of scraping ring and the inner wall butt of filter core, the top of scraping ring is towards reciprocating screw rod direction slope down setting.

Further, a filter element support is fixedly connected on the inner wall of the barrel body along the height direction of the barrel body, and the filter element is arranged in the filter element support.

Further, a guide ring is fixedly connected to the inner wall of the connecting sleeve, the outer wall of the guide ring is matched with the inner wall of the filter element, and a sealing gasket corresponding to the guide ring is arranged at the top of the filter element.

Compared with the prior art, the universal vacuum pump air filter provided by the utility model has the advantages that impurities on the inner wall of the filter element can be cleaned regularly through the cooperation of all parts of the automatic material removing mechanism, so that the problem that the dust holding capacity of the filter element is small due to the fact that the filter element is easy to block is solved, in addition, the bottom of the filter element is provided with a certain liquid storage space, so that liquid can automatically permeate downwards, and the vacuum pump air filter is further more universal.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

fig. 2 is a schematic view of an external structure of a separated state of a barrel cover and a barrel body according to an embodiment of the present utility model;

fig. 3 is a schematic cross-sectional view illustrating an internal structure of a separated state of a tub cover and a tub body according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a tub body; 2. a barrel cover; 3. a filter element; 4. an air inlet pipe; 5. an exhaust pipe; 6. connecting sleeves; 7. a reciprocating screw; 8. a connecting frame; 9. a scraping ring; 10. a positioning ring; 11. a clamping piece; 12. a motor; 13. a guide rod; 14. a cartridge holder; 15. a guide ring; 16. and a sealing gasket.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

Examples:

referring to fig. 1-3, a general vacuum pump air filter comprises a barrel body 1 and a barrel cover 2, wherein the barrel body 1 and the barrel cover 2 are connected through a connecting mechanism, a filter element 3 is arranged in the barrel body 1 along the height direction of the barrel body, an air inlet pipe 4 and an air outlet pipe 5 are respectively arranged on the outer walls of the two sides of the barrel cover 2, one end of the air outlet pipe 5 is communicated with the inside of the barrel cover 2, the other end of the air outlet pipe 5 is connected with an air inlet of a vacuum pump, a connecting sleeve 6 is fixedly connected on the inner wall of the top of the barrel cover 2 along the height direction of the air inlet pipe 4, one end of the air inlet pipe 4 is communicated with the connecting sleeve 6, an automatic material removing mechanism is arranged on the inner side of the connecting sleeve 6 and comprises a reciprocating screw rod 7 arranged along the height direction of the connecting sleeve 6, a connecting frame 8 in threaded connection with the outer part of the reciprocating screw rod 7 and a scraping ring 9 fixedly connected on the outer wall of the connecting frame 8, a motor 12 is arranged on the top of the barrel cover 2, the bottom end of the output shaft of the motor 12 extends to the inside of the connecting sleeve 6 and is fixedly connected with the top end of the reciprocating screw rod 7, negative pressure suction force is generated when the vacuum pump is started, air is further sucked into the barrel cover 2 through the air inlet pipe 4 and sequentially passes through the connecting sleeve 6 and the filter element 3, the filter element 3 filters the air, clean air enters the exhaust pipe 5 through the outer side of the filter element 3 and the outer side of the connecting sleeve 6, a differential pressure meter is arranged on the air filter so as to observe the air pressure in the air filter, the motor 12 is started according to the air pressure change, the running interval time of the motor 12 can be set, the motor 12 is started according to the time, the motor 12 is matched with the output shaft of the motor to drive the reciprocating screw rod 7 when started, the connecting frame 8 is driven to reciprocate up and down in the range of the reciprocating screw rod 7, the scraping ring 9 is driven to reciprocate up and down along the inner wall of the upper half part of the filter element 3, that is to say, the total vertical movement range of the scraping ring 9 is only at the upper half part of the filter element 3, and the scraping ring 9 cleans impurities attached to the inner wall of the filter element 3 downwards in the vertical reciprocating movement process, so that the problem that the dust holding capacity of the filter element 3 is small due to easy blockage of the filter element 3 is solved;

the outer wall of the barrel body 1 is matched with the inner wall of the barrel cover 2, the connecting mechanism comprises two positioning rings 10 which are fixedly sleeved outside the barrel body 1 and the barrel cover 2 respectively, the two positioning rings 10 are connected with each other along the circumferential direction of the two positioning rings through a plurality of clamping pieces 11, each clamping piece 11 comprises two connecting blocks which are fixedly connected to the outer wall of one side, far away from the two positioning rings 10, bolts which are arranged on the two connecting blocks, and nuts which are screwed outside the bolts, the bolts sequentially penetrate through the two connecting blocks, the two connecting blocks are of L-shaped structures, when the barrel cover 2 and the barrel body 1 are arranged, the top of the barrel body 1 is inserted into the barrel cover 2 until the two positioning rings 10 are abutted together, then the bolts sequentially penetrate through the two connecting blocks, and finally the nuts outside the bolts are screwed, so that the barrel cover 2 and the barrel body 1 are tightly arranged together, and the scraping ring 9 is positioned inside the filter element 3;

a guide rod 13 is fixedly connected to the inner wall at the top of the connecting sleeve 6 along the height direction of the connecting sleeve, the guide rod 13 penetrates through the connecting frame 8 and is slidably connected with the connecting frame 8, and the guide rod 13 is used for limiting the connecting frame 8 so as to ensure that the connecting frame 8 can only move along the height direction of the guide rod 13;

the outer wall of the scraping ring 9 is abutted against the inner wall of the filter element 3, the top of the scraping ring 9 is obliquely downward arranged towards the direction of the reciprocating screw 7, impurities on the inner wall of the filter element 3 are directly scraped downwards when the scraping ring 9 moves downwards along the inner wall of the filter element 3, and the impurities scraped from the inner wall of the filter element 3 can obliquely downwards move along the inclined plane of the top of the scraping ring 9 when the scraping ring 9 moves upwards and finally slide onto the inner wall of the bottom of the filter element 3;

the inner wall of the barrel body 1 is fixedly connected with a filter element support 14 along the height direction, the filter element 3 is arranged in the filter element support 14, the filter element support 14 is used for providing support for the filter element 3, and meanwhile, a certain space is reserved between the filter element 3 and the inner wall of the bottom of the barrel body 1, so that liquid in the filter element 3 can permeate downwards conveniently, and the applicability of the air filter is further improved;

the guide ring 15 is fixedly connected to the inner wall of the connecting sleeve 6, the outer wall of the guide ring 15 is matched with the inner wall of the filter element 3, the sealing gasket 16 corresponding to the guide ring 15 is arranged at the top of the filter element 3, the bottom of the guide ring 15 extends to the outer part of the connecting sleeve 6, when the barrel cover 2 and the barrel body 1 are arranged together, the guide ring 15 on the inner wall of the connecting sleeve 6 is inserted into the filter element 3, and meanwhile, the bottom of the connecting sleeve 6 is abutted against the sealing gasket 16 at the top of the filter element 3, so that the sealing performance of the whole air inlet channel is further improved.

Working principle: when the vacuum pump is started, negative pressure suction is generated, air is sucked into the barrel cover 2 through the air inlet pipe 4, and sequentially passes through the connecting sleeve 6 and the filter element 3, the filter element 3 filters the air, clean air enters into the exhaust pipe 5 through the outer side of the filter element 3 and the outer side of the connecting sleeve 6, in addition, a differential pressure meter is arranged on the air filter so as to observe the air pressure in the air filter, thereby the motor 12 is started according to the change of the air pressure, the running interval time of the motor 12 can be set, the motor 12 is started according to the time, the motor 12 is matched with the output shaft of the motor 12 to drive the reciprocating screw 7 when being started, and then the connecting frame 8 is driven to reciprocate up and down in the range of the reciprocating screw 7, so that the scraping ring 9 is driven to reciprocate up and down along the inner wall of the upper half part of the filter element 3, that is, the total up and down movement range of the scraping ring 9 is only in the upper half part of the filter element 3, and impurities attached to the inner wall of the filter element 3 are cleaned down in the up and down reciprocation process, and the problem that the filter element 3 is easy to block the dust capacity is small is solved;

when the barrel body 1 and the barrel cover 2 are required to be installed together, the top of the barrel body 1 is inserted into the barrel cover 2 until the two positioning rings 10 are abutted together, then bolts sequentially penetrate through the two connecting blocks, finally nuts outside the bolts are screwed down, so that the barrel cover 2 and the barrel body 1 are tightly installed together, in the process, the guide ring 15 on the inner wall of the connecting sleeve 6 is inserted into the filter element 3, and meanwhile, the bottom of the connecting sleeve 6 is abutted against the sealing washer 16 at the top of the filter element 3, so that the tightness of the whole air inlet channel is further improved.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a general vacuum pump air cleaner, includes staving (1) and bung (2), its characterized in that, connect through coupling mechanism between staving (1) and bung (2), filter core (3) are installed along its direction of height to the inside of staving (1), install intake pipe (4) and blast pipe (5) on the outer wall of bung (2) both sides respectively, there is adapter sleeve (6) on the inner wall at bung (2) top along its direction of height rigid coupling, the one end and the adapter sleeve (6) of intake pipe (4) are linked together, automatic feed removing mechanism is installed to the inboard of adapter sleeve (6), automatic feed removing mechanism includes reciprocating screw (7) that set up along adapter sleeve (6) direction of height, link (8) of spiro union outside reciprocating screw (7) and scraping ring (9) of rigid coupling on the link (8) outer wall.

2. A universal vacuum pump air filter according to claim 1, wherein the outer wall of the barrel body (1) is matched with the inner wall of the barrel cover (2), the connecting mechanism comprises two positioning rings (10) fixedly sleeved outside the barrel body (1) and the barrel cover (2), and the two positioning rings (10) are connected with each other along the circumferential direction through a plurality of clamping pieces (11).

3. The universal vacuum pump air filter according to claim 2, wherein the clamping piece (11) comprises two connecting blocks fixedly connected to the outer wall of the side, far away from the two positioning rings (10), bolts arranged on the two connecting blocks and nuts screwed outside the bolts, the bolts sequentially penetrate through the two connecting blocks, and the two connecting blocks are of L-shaped structures.

4. A universal vacuum pump air filter according to claim 1, characterized in that the top of the barrel cover (2) is provided with a motor (12), and the bottom end of the output shaft of the motor (12) extends to the inside of the connecting sleeve (6) and is fixedly connected with the top end of the reciprocating screw (7).

5. The universal vacuum pump air filter according to claim 1, wherein a guide rod (13) is fixedly connected to the inner wall of the top of the connecting sleeve (6) along the height direction of the inner wall, and the guide rod (13) penetrates through the connecting frame (8) and is slidably connected with the connecting frame (8).

6. A universal vacuum pump air filter according to claim 1, characterized in that the outer wall of the scraping ring (9) is abutted against the inner wall of the filter element (3), and the top of the scraping ring (9) is arranged obliquely downwards towards the direction of the reciprocating screw (7).

7. The universal vacuum pump air filter according to claim 1, wherein a filter element support (14) is fixedly connected to the inner wall of the barrel body (1) along the height direction of the barrel body, and the filter element (3) is installed inside the filter element support (14).

8. The universal vacuum pump air filter according to claim 1, wherein a guide ring (15) is fixedly connected to the inner wall of the connecting sleeve (6), the outer wall of the guide ring (15) is matched with the inner wall of the filter element (3), and a sealing gasket (16) corresponding to the guide ring (15) is arranged at the top of the filter element (3).