CN215701237U

CN215701237U - Filter closing device

Info

Publication number: CN215701237U
Application number: CN202122054820.7U
Authority: CN
Inventors: 张文俊
Original assignee: American Air Filte Suzhou Co ltd
Current assignee: American Air Filte Suzhou Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-02-01
Anticipated expiration: 2031-08-27

Abstract

The utility model provides a filter pressing device which comprises an outer frame, an inner frame, a driving mechanism and a plurality of lifting plates, wherein the inner frame is positioned in the outer frame, the plurality of lifting plates are arranged between the inner frame and the outer frame, the driving mechanism is connected with the inner frame and drives the inner frame to reciprocate relative to the outer frame along a first direction, the first direction is parallel to a plane where the outer frame is located, the inner frame is connected with the plurality of lifting plates and drives the plurality of lifting plates to synchronously lift relative to the outer frame along a second direction, and the second direction is perpendicular to the plane where the outer frame is located. According to the filter pressing device, the plurality of lifting plates synchronously lift along the second direction, the plurality of lifting plates act on the filter at the same time, supporting force which is upwards attached to the shell of the fan unit is provided for the filter, the filter can be simultaneously applied with force from a plurality of points, the force is uniformly applied, the filter can be fastened through one operation, and labor and time are saved.

Description

Filter closing device

Technical Field

The utility model relates to the technical field of filter processing, in particular to a filter pressing device.

Background

Because various harmful substances are easily carried in the air, the filtering device is widely applied in order to ensure the cleanness and tidiness of the working and living environment. In a conventional filter device such as an FFU, a filter is generally assembled below a fan unit, air is sent to the filter by a fan, and clean air filtered by the filter is then circulated to a working and living environment.

When assembling the filter to fan unit below, often compress tightly the filter to fan unit's casing through the manpower and assemble fixedly again, this kind of mode of compressing tightly is that a plurality of position are operated respectively usually, not only consumes manpower and time, still leads to the different positions atress of filter uneven easily, leads to the equipment insecure, causes the potential safety hazard, influences filter equipment life.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a filter pressing device to solve the problem that different parts of a filter are stressed unevenly when the filter is pressed to a shell of a fan unit manually.

In order to achieve one of the above objectives of the present invention, an embodiment of the present invention provides a filter pressing device, which includes an outer frame, an inner frame, a driving mechanism and a plurality of lifting plates, wherein the inner frame is located in the outer frame, the plurality of lifting plates are all disposed between the inner frame and the outer frame, the driving mechanism is connected to the inner frame and drives the inner frame to move back and forth along a first direction relative to the outer frame, the first direction is parallel to a plane where the outer frame is located, the inner frame is connected to the plurality of lifting plates and drives the plurality of lifting plates to synchronously lift along a second direction relative to the outer frame, and the second direction is perpendicular to the plane where the outer frame is located.

As a further improvement of an embodiment of the present invention, the inner frame is provided with a plurality of guide posts corresponding to the plurality of lifting plates one to one, the lifting plates are provided with guide chutes, the guide chutes are gradually inclined in a direction opposite to the second direction in the first direction, the guide posts protrude from the inner frame toward the lifting plates and are inserted into the guide chutes, the outer frame is provided with a limiting portion for limiting the reciprocating movement of the lifting plates in the first direction, and the inner frame drives the lifting plates to move in the second direction by the movement of the guide posts along the guide chutes.

As a further improvement of the embodiment of the present invention, the limiting portion includes a pair of limiting blocks, and the pair of limiting blocks are respectively located on two opposite sides of the lifting plate along the first direction.

As a further improvement of an embodiment of the present invention, the inner frame includes a pair of first plates disposed oppositely, the plurality of lifting plates are disposed in pairs, and each pair of the lifting plates is disposed oppositely on a side of the pair of first plates away from each other.

As a further improvement of the embodiment of the present invention, the outer frame includes a pair of first edges disposed oppositely, the pair of first edges are disposed in one-to-one correspondence with the pair of first plates and are respectively located at a side of the pair of first plates away from each other, the outer frame further includes flanges disposed at opposite ends of the first edges in the second direction, the flanges extend from the first edges toward the first plates, and the first plates move along the flanges.

As a further improvement of an embodiment of the present invention, the flange is provided with a limit groove for the lifting plate to pass through.

As a further improvement of an embodiment of the utility model, the inner frame further comprises flanges provided at opposite ends of the first plate in the second direction, the flanges extending from the first plate in a direction away from the first edge, the flanges moving along the flanges.

As a further improvement of an embodiment of the present invention, the inner frame further includes a second plate connecting the pair of first plates, the driving mechanism being provided to the first plates.

As a further improvement of the embodiment of the present invention, the outer frame includes a second edge, the second edge is spaced apart from the second plate, the driving mechanism includes a screw rod, a nut, and a stopping portion, the nut is fixedly connected to a side of the second edge facing away from the second plate, the screw rod sequentially passes through the nut and the second edge and is pivotally connected to the second plate, the screw rod is in threaded connection with the nut, and the stopping portion is disposed on the second plate and is fixedly connected to the screw rod to limit the screw rod from moving in the first direction relative to the second plate.

As a further improvement of an embodiment of the present invention, the driving mechanism further includes a handle, and the handle is disposed at an end of the screw rod away from the second plate.

Compared with the prior art, the utility model has the following beneficial effects: according to the filter pressing device, the plurality of lifting plates synchronously lift along the second direction, the plurality of lifting plates act on the filter at the same time, supporting force which is upwards attached to the shell of the fan unit is provided for the filter, the filter can be simultaneously applied with force from a plurality of points, the force is uniformly applied, the fastening operation of the filter can be realized through one operation, the filter and the fan unit can be firmly assembled, the service life of the filter device is prolonged, the labor and the time are saved, the structure is simple, and the operation is simple and convenient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic perspective view of a filter pressing device according to the present invention;

FIG. 2 is a schematic perspective view of the filter pressing device of the present invention with the outer frame removed;

FIG. 3 is a top view of the filter hold down device of the present invention;

FIG. 4 is a longitudinal sectional view taken along line A-A of FIG. 3;

FIG. 5 is an enlarged view of portion C of FIG. 4;

FIG. 6 is a longitudinal sectional view taken along line B-B of FIG. 3;

fig. 7 is an enlarged view of the portion D in fig. 6.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the various drawings of the present invention, certain dimensions of structures or portions are exaggerated relative to other structures or portions for ease of illustration and, therefore, are used only to illustrate the basic structure of the subject matter of the present invention.

It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements or structures, these described elements should not be limited by these terms. These terms are only used to distinguish these descriptive objects from one another.

The filter pressing device 100 is used for pressing the filter of the filter device towards the housing with the fan unit so as to be assembled later, and when the filter pressing device 100 is used, the filter is placed above the filter pressing device 100 and exerts upward supporting force on the filter so as to press the filter towards the housing. Of course, the application of the filter pressing device 100 is not limited thereto, and is applicable as long as one plate-like object is pressed toward another object.

Referring to fig. 1 to 3, the filter pressing device 100 includes an outer frame 1, an inner frame 2, a driving mechanism 3, and a plurality of lifting plates 4, the inner frame 2 is located in the outer frame 1, the plurality of lifting plates 4 are all disposed between the inner frame 2 and the outer frame 1, the driving mechanism 3 is connected to the inner frame 2 and drives the inner frame 2 to reciprocate along a first direction relative to the outer frame 1, the first direction is parallel to a plane where the outer frame 1 is located, the inner frame 2 is connected to the plurality of lifting plates 4 and drives the plurality of lifting plates 4 to synchronously lift along a second direction relative to the outer frame 1, and the second direction is perpendicular to the plane where the outer frame 1 is located. Follow through a plurality of lifter plates 4 the second direction goes up and down in step, and a plurality of lifter plates 4 act on the filter simultaneously, for the filter provides the holding power that upwards pastes tight fan unit's casing, can follow a plurality of point positions simultaneously to the filter application of force to the application of force is even, and the fastening operation to the filter can be realized to one shot operation, not only can make filter and fan unit equipment firm, prolongs filter equipment's life, has practiced thrift manual work and time moreover, simple structure, and is easy and simple to handle.

In the present embodiment, the inner frame 2 includes a pair of first plates 21 disposed to be opposed to each other, and a second plate 22 connecting the pair of first plates 21, and the drive mechanism 3 is provided to the first plates 21.

For convenience of description, in the present embodiment, the filter pressing device 100 is taken as an example of a horizontally-disposed filter pressing device, that is, the outer frame 1 and the inner frame 2 are horizontally disposed, and the orientation of the driving mechanism 3 relative to the inner frame 2 is defined as right, then the pair of first plates 21 are respectively disposed in the front-back direction of the inner frame 2, and the direction perpendicular to the plane of the outer frame 1 is an up-down direction, that is, the first direction is a direction from right to left, and the second direction is a direction from bottom to top.

With reference to fig. 2 and fig. 4 to 5, further, the inner frame 2 is provided with a plurality of guide posts 23 corresponding to the plurality of lifting plates 4 one by one, the lifting plates 4 are provided with guide chutes 41, the extending direction of the guide chutes 41 gradually inclines downward from right to left, the guide posts 23 protrude from the inner frame 2 toward the lifting plates 4 and are inserted into the guide chutes 41, the outer frame 1 is provided with a limiting portion 11 for limiting the reciprocating movement of the lifting plates 4 along the first direction, the inner frame 2 moves along the guide chutes 41 through the guide posts 23 to drive the lifting plates 4 to move along the second direction, the limiting portion 11 is used for limiting the left-right movement of the lifting plates 4, and the inner frame 2 and the outer frame 1 are used for limiting the front-back movement of the lifting plates 4, so that the lifting plates 4 can be lifted and lowered under the matching action of the guide posts 23 and the guide chutes 41.

Preferably, the guide chutes 41 extend linearly, and an angle between the extending direction of the guide chutes 41 and the plane of the outer frame 1 is an acute angle.

Referring to fig. 2, the limiting portion 11 includes a pair of limiting blocks 111, the limiting blocks 111 are disposed on one side of the outer frame 1 facing the inner frame 2 and protrude toward the inner frame 2, and the pair of limiting blocks 111 are respectively disposed on two opposite sides of the lifting plate 4 along the first direction, so as to limit the left and right movement of the lifting plate 4 relative to the outer frame 1.

In this embodiment, the limiting portion 11 further includes a limiting strip 112 connecting the pair of limiting blocks 111, and the limiting strip 112 is disposed at one end of the limiting blocks 111 connected to the outer frame 1, so as to reduce the distance between the lifting plate 4 and the outer frame 1, and further prevent the lifting plate 4 from moving back and forth.

In the present embodiment, the outer frame 1 includes a pair of first sides 12 disposed oppositely, and the pair of first sides 12 is disposed in one-to-one correspondence with the pair of first plates 21 and is respectively located on a side where the pair of first plates 21 are away from each other. Preferably, the first plate 21 and the first edge 12 are parallel to each other, the lifting plates 4 are disposed between the first plate 21 and the first edge 12, the lifting plates 4 are disposed in pairs, and each pair of lifting plates 4 is disposed on a side of the first plate 21 away from each other, so that when the filter pressing device 100 acts on the filter, the supporting forces applied to the front side and the rear side of the filter by the filter pressing device 100 are symmetrical, and the pressing effect is ensured.

Referring to fig. 1 to 2, in the present embodiment, two pairs of lifting plates 4 are provided, and the two pairs of lifting plates 4 are respectively disposed at four corners of the outer frame 1 to ensure the uniformity of the overall stress on the filter. Of course, in other embodiments, the number of the lifting plates 4 may not be limited thereto.

In this embodiment, the outer frame 1 further includes flanges 13 disposed at opposite ends of the first edge 12 in the second direction, the flanges 13 extend from the first edge 12 toward the first plate 21, and the first plate 21 moves along the flanges 13, that is, the flanges 13 serve as a guide for the first plate 21 to move left and right, so that the inner driving mechanism 3 drives the inner frames 2 to move relative to the outer frame 1.

Furthermore, the flange 13 is provided with a limiting groove 131 for the lifting plate 4 to pass through, so that the lifting plate 4 extends out of the flange 13 from the limiting groove 131 to lift, and meanwhile, the limiting groove 131 plays a role in limiting the lifting plate 4, and further limits the front-back movement and the left-right movement of the lifting plate 4.

Further, the inner frame 2 further includes folding edges 24 disposed at two opposite ends of the first plate 21 along the second direction, the folding edges 24 extend from the first plate 21 along a direction away from the first edge 12, the folding edges 24 move along the folding edges 13, that is, the folding edges 13 serve as a guide for the movement of the folding edges 24, and the arrangement of the folding edges 24 improves the stability of the movement of the inner frame 2 relative to the outer frame 1.

Further, outer frame 1 still includes second limit 14 and the third limit 15 of the relative setting of second limit 14, and a pair of first limit 12 is connected to second limit 14, and a pair of first limit 12 is also connected to third limit 15 to improve the holistic stability of outer frame 1, second limit 14 with second plate 22 interval sets up.

Referring to fig. 6 to 7, the driving mechanism 3 includes a screw 31, a nut 32, and a stop portion 33, the nut 32 is fixedly connected to a side of the second side 14 away from the second plate 22, the screw 31 sequentially passes through the nut 32 and the second side 14 and is pivotally connected to the second plate 22, the screw 31 is in threaded connection with the nut 32, and the stop portion 33 is disposed on the second plate 22 and is fixedly connected to the screw 31 to limit the movement of the screw 31 relative to the second plate 22 along the first direction. Like this, can make screw rod 31 drive the relative second limit 14 side-to-side motion of second board 22 through rotatory screw rod 31 to make a pair of first board 21 side-to-side motion, and then make guide post 23 side-to-side motion and drive a plurality of lifter plates 4 and go up and down, and easy operation, and can realize the multiple spot simultaneously and to the filter application of force, screw rod 31 and nut 32's threaded connection can also improve lifter plate 4 elevating movement's stability, and fix a position so that further fasten the filter when lifter plate 4 moves suitable position.

The driving mechanism 3 further comprises a handle 34, and the handle 34 is disposed at an end of the screw 31 away from the second plate 22 for a user to hold and improve the operation comfort.

In summary, according to the filter pressing device 100 provided by the present invention, the plurality of lifting plates 4 are lifted synchronously along the second direction, the plurality of lifting plates 4 act on the filter at the same time, so as to provide a supporting force for the filter to cling to the housing of the fan unit, the filter can be simultaneously applied with a force from a plurality of points, the force is uniformly applied, the fastening operation of the filter can be realized by one operation, the filter and the fan unit can be firmly assembled, the service life of the filter device is prolonged, the labor and time are saved, the structure is simple, and the operation is simple.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. The utility model provides a filter closing device, its characterized in that, includes outer frame, internal frame, actuating mechanism and a plurality of lifter plate, the internal frame is located in the outer frame, a plurality of lifter plate all set up in the internal frame with between the outer frame, actuating mechanism with the internal frame is connected and drives the internal frame is relative the reciprocal motion of first direction is followed to the outer frame, the first direction be on a parallel with the plane at outer frame place, the internal frame with a plurality of lifter plate connect and drive a plurality of lifter plate are relative the synchronous lift of second direction is followed to the outer frame, the second direction perpendicular to the plane at outer frame place.

2. The filter pressing device according to claim 1, wherein the inner frame is provided with a plurality of guide posts in one-to-one correspondence with the plurality of lifting plates, the lifting plates are provided with guide chutes, the guide chutes are gradually inclined in a direction opposite to the second direction in the first direction, the guide posts protrude from the inner frame toward the lifting plates and are inserted into the guide chutes, the outer frame is provided with a stopper portion that restricts the reciprocating movement of the lifting plates in the first direction, and the inner frame moves the lifting plates in the second direction by the movement of the guide posts along the guide chutes.

3. The filter pressing device according to claim 2, wherein the stopper portion includes a pair of stoppers respectively located on opposite sides of the lifting plate in the first direction.

4. The filter pressing device of claim 1, wherein the inner frame comprises a pair of first plates disposed in opposition, the plurality of lifting plates are disposed in pairs, and each pair of the lifting plates is disposed in opposition on a side of the pair of first plates facing away from each other.

5. The filter pressing device of claim 4, wherein the outer frame includes a pair of first edges disposed in opposing relation to the pair of first plates on a side of the pair of first plates facing away from each other, the outer frame further including flanges disposed at opposite ends of the first edges in the second direction, the flanges extending from the first edges toward the first plates, the first plates moving along the flanges.

6. The filter pressing device according to claim 5, wherein the flange is provided with a limiting groove for the lifting plate to pass through.

7. The filter pressing device of claim 5, wherein the inner frame further comprises flaps disposed at opposite ends of the first panel in the second direction, the flaps extending from the first panel in a direction away from the first edge, the flaps moving along the flaps.

8. The filter pressing device of claim 4, wherein the inner frame further comprises a second plate connecting the pair of first plates, the driving mechanism being provided to the first plates.

9. The filter pressing device of claim 8, wherein the outer frame includes a second edge, the second edge is spaced apart from the second plate, the driving mechanism includes a screw, a nut, and a stop, the nut is fixedly connected to a side of the second edge facing away from the second plate, the screw passes through the nut, the second edge and is pivotally connected to the second plate, the screw is in threaded connection with the nut, and the stop is disposed on the second plate and is fixedly connected to the screw to limit the movement of the screw relative to the second plate along the first direction.

10. The filter pressing apparatus of claim 9, wherein the drive mechanism further comprises a handle disposed at an end of the screw remote from the second plate.