CN218901247U - Filter with self-closing function - Google Patents

Abstract

The filter with the self-closing function comprises a shell, wherein an inner barrel is arranged in the shell, a filter barrel is arranged in the inner barrel in a sliding manner, one end of the inner barrel is an opening to form a sliding outlet for the filter barrel to enter and exit the inner barrel, a follow-up blind plate is arranged in the inner barrel in a sliding manner, and the follow-up blind plate is connected with one end, far away from the sliding outlet, of the filter barrel in a clamping manner; a release mechanism is arranged on one side, far away from the sliding outlet, of the inner barrel, the release mechanism comprises a steel wire rope fixed in the shell, the tail end of the steel wire rope is connected with a connecting plate, and the connecting plate controls the separation of the clamping part of the follow-up blind plate and the filter barrel through a connecting rod penetrating through the follow-up blind plate; the steel wire rope is gradually straightened in the process that the filter vat and the follow-up blind plate synchronously move towards the slide outlet, and the steel wire rope is tightened when the follow-up blind plate moves to the slide outlet so that the clamping part is opened and separated. According to the utility model, when the filter element is replaced, external impurities can be reduced from entering the filter, and the influence of the replacement filter element on the sealing effect and the using effect of the filter is reduced.

Description

Filter with self-closing function

Technical Field

The utility model relates to the technical field of air filters, in particular to a filter with a self-sealing function.

Background

An air filter is a device that traps dust from a gas-solid two-phase flow by the action of a porous filter material and allows the gas to be purified. The air with low dust content is purified and then sent into room to ensure the technological requirement of clean room and the air cleanliness in common air-conditioning room. In order to ensure the air cleanliness in a room in the prior art, the filter element of the air filter needs to be replaced after the air filter is used for a period of time, the inside of the air filter is exposed to air after the air filter is pulled out of the filter element, external impurities possibly enter the inside of the air filter to influence the sealing effect of the air filter, and the external impurities entering the inside of the air filter damage the air filter to influence the using effect of the air filter.

Disclosure of Invention

The utility model aims to provide a filter with a self-sealing function, which can reduce the foreign matters entering the filter when the filter element is replaced, and reduce the influence of the replacement filter element on the sealing effect and the use effect of the filter.

In order to solve the technical problems, the specific scheme adopted by the utility model is a filter with a self-sealing function: the filter comprises a shell, wherein an inner barrel is arranged in the shell, a filter barrel is arranged in the inner barrel in a sliding manner, one end of the inner barrel is provided with an opening to form a sliding outlet for the filter barrel to enter and exit the inner barrel, and a follow-up blind plate is arranged in the inner barrel in a sliding manner and is connected with one end, far away from the sliding outlet, of the filter barrel in a clamping manner; a release mechanism is arranged on one side, far away from the sliding outlet, of the inner barrel, the release mechanism comprises a steel wire rope fixed in the shell, the tail end of the steel wire rope is connected with a connecting plate, and the connecting plate controls the separation of the clamping part of the follow-up blind plate and the filter barrel through a connecting rod penetrating through the follow-up blind plate; the steel wire rope is gradually straightened in the process that the filter vat and the follow-up blind plate synchronously move towards the slide outlet, and the steel wire rope is tightened when the follow-up blind plate moves to the slide outlet so that the clamping part is opened and separated.

As an optimization scheme of the filter with the self-sealing function, the following one is adopted: the filter vat is connected with the clamping connection of the follow-up blind plate by means of a clamping component, the clamping component comprises a connector arranged on the filter vat and a connecting seat arranged on the follow-up blind plate, the connector is inserted into an opening of the connecting seat along the axial direction of the inner barrel, and a pressure spring for pushing the connector is arranged in the opening of the connecting seat.

As another optimization scheme of the filter with the self-sealing function, the following one is adopted: the follow-up blind plate is provided with the recess that is used for holding fixed connection seat towards the one side middle part of filter vat.

As another optimization scheme of the filter with the self-sealing function, the following one is adopted: the utility model discloses a wire rope is characterized by comprising a shell, a connecting plate, a lifting ring, a fixing frame, a pulley, a lifting ring, a balancing weight, a guide wheel, a steel wire rope, a lifting ring and a lifting ring.

As another optimization scheme of the filter with the self-sealing function, the following one is adopted: the outer ring side of the inner barrel in the shell is provided with supporting frames distributed along the circumferential direction of the inner barrel.

As another optimization scheme of the filter with the self-sealing function, the following one is adopted: the middle part of one side of the filter vat, which is distributed towards the direction of the slide outlet, is provided with jacks for the plugging and matching of external traction equipment.

As another optimization scheme of the filter with the self-sealing function, the following one is adopted: the inner barrel and the outer ring side surface of the filter barrel are provided with a plurality of filter holes in one-to-one correspondence at intervals.

As another optimization scheme of the filter with the self-sealing function, the following one is adopted: through holes are respectively formed in two side surfaces, adjacent to the sliding outlet, of the shell, and connecting flanges used for connecting external pipelines are arranged on the through holes.

As another optimization scheme of the filter with the self-sealing function, the following one is adopted: annular grooves distributed along the circumferential direction of the filter vat are formed in the outer ring sides of the two ends of the filter vat, and sealing strips are arranged in the annular grooves.

As another optimization scheme of the filter with the self-sealing function, the following one is adopted: the shell is opposite to the middle part of one side of the sliding outlet, an access hole corresponding to the inner barrel is formed in the shell, and a sealing plate is arranged on the access hole.

Compared with the prior art, the utility model has the following beneficial effects:

1. the follow-up blind plate is arranged in the inner barrel in a sliding way and synchronously moves to the sliding outlet and seals the sliding outlet along with the sliding and pulling out of the filter barrel, so that the condition that external sundries enter the filter when the filter barrel is replaced is avoided, and the safety of the filter when the filter barrel is replaced is improved;

2. according to the utility model, the connector is arranged on the follow-up blind plate and is in clamping connection with the clamping seat arranged on the filter barrel, so that the filter barrel to be replaced can be quickly separated from the follow-up blind plate and taken down, and a new filter barrel can be quickly butt-jointed and installed on the follow-up blind plate;

3. the pressure spring is arranged in the connecting seat, and the pressure spring pushes the connecting head to ensure that the connecting head can be separated from the connecting seat, so that the situation that the connecting head and the connecting seat cannot be in butt joint or separated is avoided;

4. the jack is arranged on the filter vat, so that external traction equipment can be conveniently connected with the filter vat, and a worker can rapidly pull out the filter vat through the traction equipment to finish replacement;

5. the sealing strips are arranged in the annular grooves, so that the tightness of the filter in use can be further enhanced, and the influence of leakage of the filter on the filtering effect is avoided;

6. according to the utility model, the maintenance hole is formed in the shell, so that a worker can conveniently carry out daily maintenance on the filter, and the service life of the filter is prolonged;

7. the fixing frame, the pulley, the hanging ring, the balancing weight and the guide wheel adopted by the utility model can limit the steel wire rope, thereby avoiding the influence on the normal use of the filter caused by scattered distribution of the steel wire rope in the shell.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic diagram of the portion A in FIG. 1;

FIG. 3 is a schematic diagram of the main structure of the present utility model;

reference numerals: 1. the shell, 2, the slide outlet, 3, the filter vat, 4, the jack, 5, the annular groove, 6, the filter hole, 7, the inner barrel, 8, the support frame, 9, the follow-up blind plate, 10, the supporting leg, 11, the balancing weight, 12, rings, 13, the access hole, 14, the closing plate, 15, the leading wheel, 16, wire rope, 17, the mount, 18, the pulley, 19, the connecting plate, 20, the connecting rod, 21, the connecting seat, 22, the connector, 23, the fly leaf, 24, the recess, 25, the through-hole, 26, flange.

Detailed Description

The technical solution of the present utility model is further described in detail below with reference to specific embodiments, and the portions of the present utility model, such as the clamping manner of the clamping portion of the filter vat and the follow-up blind plate, the structure of the connecting seat and the connecting head, etc., which are not described in detail in the following embodiments of the present utility model should be immediately known or should be known by those skilled in the art.

Example 1

As shown in fig. 1 and 3, a filter with a self-closing function includes a housing 1 having a cavity, and four support legs 10 are uniformly provided at intervals at the bottom of the housing 1. Through holes 25 are formed in two opposite side surfaces of the shell 1, and connecting flanges 26 for connecting external pipelines are arranged on the through holes 25. The slide outlet 2 is arranged on the left side of the shell 1, the access hole 13 is arranged on the right side of the shell 1, the sealing plate 14 is arranged on the access hole 13, and the sealing plate 14 is fixed on the shell 1 through bolts. The access port 13 can be convenient for the staff to carry out daily maintenance and maintenance to the filter, and the staff can in time discover the problem through the access port 13 to improve the life of filter.

As shown in fig. 1, a supporting frame 8 distributed along the circumferential direction is arranged in a cavity at the left side of the shell 1, and the outer ring side of the supporting frame 8 is fixed on the inner side wall of the shell 1 at the corresponding side through a straight rod. The inner barrel 7 distributed along the circumferential direction of the inner barrel is arranged in the supporting frame 8, the filter barrel 3 used for filtering air is arranged on the left side sliding close to the sliding outlet 2 in the inner barrel 7, the annular grooves 5 distributed along the circumferential direction of the outer ring sides of the left end and the right end of the filter barrel 3 are formed in the outer ring sides of the left end and the right end of the filter barrel 3, sealing strips are arranged in the annular grooves 5, the sealing performance of the filter during use can be further enhanced through the arrangement of the sealing strips, and the influence on the filtering effect caused by leakage of the filter is avoided.

The middle part of the left side of filter vat 3 is provided with jack 4, and jack 4 supplies outside traction equipment grafting cooperation, when needs change filter vat 3, the staff can be convenient for change new filter vat 3 with filter vat 3 pull out through pulling traction equipment. The outer ring side surface of the filter vat 3 and the inner vat 7 are uniformly provided with a plurality of filter holes 6 at intervals along the circumferential direction, and the outer ring side surface of the filter vat 3 corresponds to the filter holes 6 on the inner vat 7.

The right side sliding of the inner barrel 7, which is positioned on the filter barrel 3, is provided with a follow-up blind plate 9, the outer ring side of the follow-up blind plate 9 is mutually attached to the inner ring side of the inner barrel 7, and the follow-up blind plate 9 is a common circular plate with the same shape as the inner barrel 7. The middle part of one side of the follow-up blind plate 9 facing the filter vat 3 is provided with a clamping piece, and the middle part of one side of the filter vat 3 facing the follow-up blind plate 9 is also provided with a clamping piece, and the follow-up blind plate 9 is connected with the filter vat 3 through the clamping of the clamping piece, so that the follow-up blind plate 9 can synchronously slide along with the filter vat 3 in the inner vat 7 towards the slide outlet 2. The right side that lies in interior bucket 7 in shell 1 is provided with the release mechanism that supplies the filter vat 3 of roll-off slide outlet 2 to break away from follow-up blind plate 9, and release mechanism is including setting up fly leaf 23 and wire rope 16 in the joint department of filter vat 3 and follow-up blind plate 9 blind plate. The right side of follow-up blind plate 9 is provided with along vertical distribution's connecting plate 19, wears to be equipped with connecting rod 20 respectively between the upper and lower both ends of connecting plate 19 and the upper and lower both ends of fly leaf 23, and connecting rod 20's right-hand member and connecting plate 19 fixed connection, and connecting rod 20's left end passes follow-up blind plate 9 and connects fly leaf 23. The left end of the wire rope 16 is fixed in the middle of the connecting plate 19, and the right end of the wire rope 16 is fixed on the inner side wall of the shell 1.

During the process that the operator pulls the filter vat 3 to slide towards the slide outlet 2 through the traction device, the follow-up blind plate 9 moves towards the slide outlet 2 along with the filter vat 3 synchronously. As the filter basket 3 gradually slides out of the inner basket 7, the wire rope 16 in a relaxed state gradually straightens. When the filter vat 3 slides out of the inner vat 7 and the follow-up blind plate 9 moves to the position of the slide-out opening 2, the steel wire rope 16 is tightened, and then the clamping part between the filter vat 3 and the follow-up blind plate 9 is opened, so that the filter vat 3 is separated from the follow-up blind plate 9, the filter vat 3 is convenient for a worker to replace, and the follow-up blind plate 9 positioned at the slide-out opening 2 in the process of replacing the filter vat 3 can prevent external sundries from being filtered, so that the condition that the external sundries enter the filter to influence the sealing effect and the using effect of the filter can be avoided.

The above is a basic embodiment of the present utility model, and further improvements, optimizations and limitations can be made on the above basis, so as to obtain the following examples:

example 2

The embodiment is an improvement scheme based on embodiment 1, and the main structure of the embodiment is the same as that of embodiment 1, and the improvement points are that: as shown in fig. 2, a clamping assembly is arranged at the clamping position between the filter vat 3 and the follow-up blind plate 9, and the clamping assembly comprises a connecting seat 21 arranged on the follow-up blind plate 9 and a connecting head 22 arranged on the filter vat 3. The left middle part that follow-up blind plate 9 distributes towards interior bucket 7 direction is provided with recess 24, and connecting seat 21 is fixed in recess 24, and fly leaf 23 wears to locate on the connecting seat 21, and the perforation that supplies connector 22 to pass and joint complex with connecting seat 21 is seted up at the middle part of fly leaf 23. The connector 22 and the connecting seat 21 are of quick connection structures, and the connector 22 is inserted into the opening of the connecting seat 21 along the axial direction of the inner barrel 7 to be matched with the clamping connection of the connecting seat 21, so that the filter barrel 3 to be replaced can be quickly detached from the follow-up blind plate 9, and the new filter barrel 3 can be quickly butt-jointed and installed on the follow-up blind plate 9. Moreover, the connection seat 21 is internally provided with a pressure spring for pushing the connection head 22, and the arrangement of the pressure spring can ensure that the connection head 22 can be separated from the connection seat 21, so that the situation that the connection head 22 cannot be connected with or separated from the connection seat 21 to influence the use of the filter is avoided. When the follow-up blind plate 9 moves to the position of the sliding outlet 2 along with the sliding-out of the filter vat 3, the tightened steel wire rope 16 can pull the connecting plate 19, the connecting plate 19 pulls the movable plate 23 to move towards the connecting seat 21 through the connecting rod 20, and at the moment, the connecting head 22 is separated from the connecting seat 21, so that the filter vat 3 can be quickly separated from the follow-up blind plate 9, and a worker can quickly complete the replacement of the filter vat 3.

Example 3

The embodiment is another improvement on the basis of embodiment 1, and the main structure of the embodiment is the same as that of embodiment 1, and the improvement points are that: as shown in fig. 1, the top of the inner side wall on the right side of the casing 1 is provided with a right-to-left fixing frame 17 and a pulley 18, a hanging ring 12 is arranged below the fixing frame 17 and the pulley 18, a balancing weight 11 is connected below the hanging ring 12, the middle part of the inner side wall of the casing 1 is provided with a guide wheel 15, and the lower side of the guide wheel 15 is level with the middle part of the follow-up blind plate 9. The left end of the steel wire rope 16 is distributed along the horizontal direction and fixedly connected with the middle part of the connecting plate 19, and the right end of the steel wire rope 16 far away from the connecting plate 19 sequentially passes through the guide wheel 15, the pulley 18 and the hanging ring 12 to be connected with the fixing frame 17. The steel wire rope 16 is wound on the pulley 18 for a plurality of circles, and the length of the steel wire rope 16 is just in a tightening state when the follow-up blind plate 9 is positioned at the sliding opening 2, so that the steel wire rope 16 is tightened when the follow-up blind plate 9 slides to the sliding opening 2, and the clamping part of the filter vat 3 and the follow-up blind plate 9 is separated. The setting of mount 17, pulley 18, rings 12, balancing weight 11 and leading wheel 15 can carry out spacing to wire rope 16 to avoid wire rope 16 scattered distribution in shell 1 and influence the normal use of filter.

Claims (10)

1. The utility model provides a filter with self-closing function, includes shell (1) that inside has interior bucket (7), and interior bucket (7) sliding is provided with filter vat (3), and the one end of interior bucket (7) is the opening, forms slide outlet (2) that supply filter vat (3) business turn over interior bucket (7), its characterized in that: a follow-up blind plate (9) is arranged in the inner barrel (7) in a sliding way, and the follow-up blind plate (9) is connected with one end, far away from the sliding outlet (2), of the filter barrel (3) in a clamping way; a release mechanism is arranged on one side, far away from the sliding outlet (2), of the inner barrel (7), the release mechanism comprises a steel wire rope (16) fixed in the outer shell (1), the tail end of the steel wire rope (16) is connected with a connecting plate (19), and the connecting plate (19) controls the separation of the clamping part of the follow-up blind plate (9) and the filter barrel (3) through a connecting rod (20) penetrating through the follow-up blind plate (9); the steel wire rope (16) is gradually straightened in the process that the filter vat (3) and the follow-up blind plate (9) synchronously move towards the slide outlet (2), and the steel wire rope (16) is tightened when the follow-up blind plate (9) moves to the slide outlet (2) so as to open and separate the clamping part.

2. A self-sealing filter as claimed in claim 1, wherein: the filter vat (3) is connected with the clamping connection of the follow-up blind plate (9) by means of a clamping assembly, the clamping assembly comprises a connector (22) arranged on the filter vat (3) and a connecting seat (21) arranged on the follow-up blind plate (9), the connector (22) is inserted into a hole of the connecting seat (21) along the axial direction of the inner barrel (7), and a pressure spring pushing the connector (22) is arranged in the hole of the connecting seat (21).

3. A self-sealing filter as claimed in claim 2, wherein: the follow-up blind plate (9) is provided with a groove (24) for accommodating the fixed connecting seat (21) towards the middle part of one side of the filter vat (3).

4. A self-sealing filter as claimed in claim 1, wherein: the utility model discloses a wire rope, including shell (1), inside wall top of shell (1) is provided with mount (17) and pulley (18), and the below of mount (17) and pulley (18) is provided with rings (12), and the below of rings (12) is connected with balancing weight (11), and the middle part of shell (1) inside wall is provided with leading wheel (15), and one end that connecting plate (19) was kept away from to wire rope (16) passes leading wheel (15), pulley (18), rings (12) in proper order and connects mount (17).

5. A self-sealing filter as claimed in claim 1, wherein: the outer ring side of the inner barrel (7) in the shell (1) is provided with supporting frames (8) distributed along the circumferential direction of the inner barrel.

6. A self-sealing filter as claimed in claim 1, wherein: the middle part of one side of the filter vat (3) which is distributed towards the direction of the slide outlet (2) is provided with jacks (4) for the external traction equipment to be spliced and matched.

7. A self-sealing filter as claimed in claim 1, wherein: the inner barrel (7) and the outer ring side surface of the filter barrel (3) are provided with a plurality of filter holes (6) which are in one-to-one correspondence with each other at intervals.

8. A self-sealing filter as claimed in claim 1, wherein: through holes (25) are respectively formed in two side surfaces, adjacent to the slide outlet (2), of the shell (1), and connecting flanges (26) used for connecting an external pipeline are arranged on the through holes (25).

9. A self-sealing filter as claimed in claim 1, wherein: annular grooves (5) distributed along the circumferential direction of the outer ring sides of the two ends of the filter vat (3) are formed, and sealing strips are arranged in the annular grooves (5).

10. A self-sealing filter as claimed in claim 1, wherein: an overhaul port (13) corresponding to the inner barrel (7) is formed in the middle of one side of the shell (1) opposite to the sliding outlet (2), and a sealing plate (14) is arranged on the overhaul port (13).

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