CN212214962U

CN212214962U - Filter closing device

Info

Publication number: CN212214962U
Application number: CN202020707180.8U
Authority: CN
Inventors: 梁党军
Original assignee: Camfil Farr Filter Equipment Kunshan Co Ltd
Current assignee: Kangfeier Filtration Equipment Taicang Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-25
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a filter pressing device, including the rose box, the control lever, lifting frame and a plurality of spring, rose box one side has exit and entrance, install upper support frame and bottom suspension strut in the rose box, form the filtration storehouse that is used for installing the filter between upper support frame and the bottom suspension strut, the control lever rotates to be installed on the lateral wall of two relative settings of rose box, the cover is equipped with eccentric cam on the control lever, a plurality of spring mounting are between lifting frame and bottom suspension strut, lifting frame is under the drive of a plurality of springs, compress tightly the filter that will send into in the filtration storehouse through exit to the bottom surface of upper support frame, install the sealing washer between filter and the upper support frame; the eccentric cam of control lever drive is rotatory, can drive the drop frame decline and compression spring, makes the filter break away from and opens up the carriage, the utility model discloses a compress tightly sealed between filter and the box, guaranteed the cleanliness factor and the filter effect in room, and simple structure, the operation of being convenient for is implemented.

Description

Filter closing device

Technical Field

The utility model relates to a filtration equipment field especially relates to a filter closing device.

Background

At present, viruses are generated in biosafety and hospital operating rooms, a filter is required to be adopted for filtering so as to provide a safe and clean environment, negative pressure needs to be maintained in the room to prevent the viruses from leaking, therefore, an indoor movable intelligent filtering device needs to be developed and designed, the intelligent filtering device usually comprises a filter, the filter needs to be installed in a filter box, a sealing gasket of the filter and a metal plate of a box body are in surface sealing, if the flatness is insufficient, the pressing force is not uniform, poor sealing can be caused, the viruses can leak, and the cleanliness and the filtering effect of the room are affected.

Disclosure of Invention

In order to overcome the defects, the utility model provides a filter closing device has realized compressing tightly sealed between filter and the box, has guaranteed the cleanliness factor and the filter effect in room, and simple structure, and the operation of being convenient for is implemented.

The utility model discloses a solve the technical scheme that its technical problem adopted and be:

a filter pressing device comprises a filter box, a control rod, a lifting frame and a plurality of springs, wherein an inlet and an outlet are formed in one side of the filter box, an upper supporting frame and a lower supporting frame are installed in the filter box, a filter bin for installing a filter is formed between the upper supporting frame and the lower supporting frame, the control rod is rotatably installed on two oppositely-arranged side walls of the filter box, an eccentric cam is sleeved on the control rod, the springs are installed between the lifting frame and the lower supporting frame, the lifting frame is driven by the springs to press the filter fed into the filter bin through the inlet and the outlet onto the bottom surface of the upper supporting frame, and a sealing ring is installed between the filter and the upper supporting frame; the control rod drives the eccentric cam to rotate, and can drive the lifting frame to descend and compress the spring, so that the filter is separated from the upper supporting frame.

As a further improvement of the present invention, two eccentric cams and four springs are provided, the lifting frame includes two first plates disposed opposite to each other and two second plates disposed opposite to each other, the first plates are L-shaped, the second plates include U-shaped plate bodies and flanges bent outward from one side of the plate bodies, the plate bodies are laterally disposed, so that the vertical portions of the two first plates and the flanges of the two second plates define a square groove for limiting the filter; the two springs are arranged between one first plate and the lower support frame and are close to the two ends of the first plate; the other two springs are arranged between the other first plate and the lower support frame and are close to the two ends of the first plate; the vertical part of the plate body is provided with a position avoiding through hole for avoiding the control rod, one eccentric cam is arranged in the U-shaped groove of the plate body, the other eccentric cam is arranged in the U-shaped groove of the plate body, and the eccentric cam drives the transverse part of the corresponding plate body below the plate body to descend and compress the spring.

As a further improvement, the utility model discloses a be equipped with two torsional springs, two the torsional spring cover is located on the control lever, a torsional spring is close to one the second board sets up, and another torsional spring is close to another the second board sets up, the both ends of torsional spring with two screw rod fixed connection of installation on the board body.

As a further improvement, the entrance and exit department of rose box installs the door, the door includes frame and door plant, the locating plate is installed to the door plant inboard, the one end of control lever is bent and is formed operating handle the spring jacking the carriage compresses tightly during the filter, operating handle is horizontal state, and spacing in the locating plate.

The utility model has the advantages that: the utility model provides a filter pressing device, which presses a filter to an upper supporting frame in a filter box through a plurality of springs driving a lifting frame, realizes the pressing and sealing between the filter and the box body, namely, under the pressing state, a plurality of springs naturally extend to jack the lifting frame, and further presses the filter to the bottom surface of the upper supporting frame; when the filter needs to be replaced, the bin door on the front face of the filter box is opened, the eccentric cam is driven to rotate through the operation control rod, the lifting frame can be driven to descend, the spring is compressed, the filter is separated from the upper supporting frame, and therefore the filter can be taken out from the inlet and the outlet. The spring of the pressing device not only plays a role in force transmission in the whole pressing process, but also has a buffering effect, so that the sealing effect is achieved, and the filter is prevented from being damaged.

Drawings

Fig. 1 is a schematic structural view of a filter pressing device when a filter of the present invention is in a pressing state;

FIG. 2 is a schematic view of the filter pressing device of the present invention in a loosened state;

FIG. 3 is a schematic structural view of the torsion spring of the present invention;

the following description is made with reference to the accompanying drawings:

1-a filter box, 11-an upper support frame, 12-a lower support frame, 13-a bin gate, 131-a frame, 132-a door plate, 2-a control rod, 21-an operating handle, 3-a lifting frame, 31-a first plate, 32-a second plate, 321-a plate body, 322-a flange, 33-a screw rod, 4-a spring, 5-an eccentric cam, 6-a sealing ring, 7-a torsion spring, 8-a positioning plate and 100-a filter.

Detailed Description

The following description of the preferred embodiments of the present invention will be made in conjunction with the accompanying drawings.

Referring to fig. 1 and 2, for the filter pressing device of the present invention, the filter pressing device includes a filter box 1, a control rod 2, a lifting frame 3 and a plurality of springs 4, one side of the filter box has an inlet and an outlet, an upper support frame 11 and a lower support frame 12 are installed in the filter box, a filter bin for installing a filter 100 is formed between the upper support frame and the lower support frame, the control rod is rotatably installed on two oppositely disposed side walls of the filter box, an eccentric cam 5 is sleeved on the control rod, the plurality of springs are installed between the lifting frame and the lower support frame, the lifting frame is driven by the plurality of springs to press the filter fed into the filter bin through the inlet and the outlet onto the bottom surface of the upper support frame, and a sealing ring 6 is installed between the filter and the upper support frame; the control rod drives the eccentric cam to rotate, and can drive the lifting frame to descend and compress the spring, so that the filter is separated from the upper supporting frame. In this way, the lifting frame is driven by the plurality of springs to tightly press the filter to the upper supporting frame in the filter box, so that the tight sealing between the filter and the upper supporting frame of the box body is realized, namely, the plurality of springs naturally extend to jack the lifting frame in a tight state, and further, the filter is tightly pressed to the bottom surface of the upper supporting frame; when the filter needs to be replaced, the bin door on the front face of the filter box is opened, the eccentric cam is driven to rotate through the operation control rod, the lifting frame can be driven to descend, the spring is compressed, the filter is separated from the upper supporting frame, and therefore the filter can be taken out from the inlet and the outlet. The spring of the pressing device not only plays a role in force transmission in the whole pressing process, but also has a buffering effect, so that the sealing effect is achieved, and the filter is prevented from being damaged.

Preferably, the lifting frame is provided with two eccentric cams and four springs, the lifting frame comprises two first plates 31 and two second plates 32, the two first plates 31 are oppositely arranged, the two second plates are oppositely arranged, the first plates are in an L shape, the second plates comprise U-shaped plate bodies 321 and flanges 322 formed by bending one edges of the plate bodies outwards, and the plate bodies are laterally arranged, so that the vertical parts of the two first plates and the flanges of the two second plates form a square groove for limiting the filter; the two springs are arranged between one first plate and the lower support frame and are close to the two ends of the first plate; the other two springs are arranged between the other first plate and the lower support frame and are close to the two ends of the first plate; the vertical part of the plate body is provided with a position avoiding through hole for avoiding the control rod, one eccentric cam is arranged in the U-shaped groove of the plate body, the other eccentric cam is arranged in the U-shaped groove of the plate body, and the eccentric cam drives the transverse part of the corresponding plate body below the plate body to descend and compress the spring. Like this, the lifting frame encloses into a square frame by two first boards and two second boards, and the first board is the L type, and the second board comprises the board body and the flange that are the U type, and the square groove that two first boards and second board enclose can be used for spacing filter, and four spring distribution play balanced jacking lifting frame's effect in four angles. The eccentric cam sets up inboard in the U type of two board bodies, and when needing to be changed the filter, the control lever drive eccentric cam is rotatory, and the horizontal part of the downside of eccentric cam major diameter side roof body can drive the lifting frame and descend, sets up two eccentric cams and can drive the lifting frame both sides simultaneously, makes the lift of lifting frame more steady.

Preferably, referring to fig. 3, two torsion springs 7 are provided, the two torsion springs are sleeved on the control rod, one torsion spring is arranged close to one of the second plates, the other torsion spring is arranged close to the other of the second plates, and two ends of the torsion spring are fixedly connected with the two screws 33 installed on the plate body. Therefore, the effect of balancing the stress on the two sides of the lifting frame can be achieved.

Preferably, the entrance and exit department of rose box installs door 13, the door includes frame 131 and door plant 132, locating plate 8 is installed to the door plant inboard, the one end of control lever is bent and is formed operating handle 21 the spring jacking the lifting frame compresses tightly during the filter, operating handle is horizontal state, and spacing in the locating plate. Like this, when the filter is in the compression state, the locating plate can fix a position the control lever, prevents that the control lever from taking place to rotate, makes the filter not hard up.

Preferably, a fixing lug is formed on the periphery of the frame, a door post corresponding to the fixing lug is formed on the outer side wall of the filter box, and the door post and the fixing lug are locked together through a knob bolt. Like this, can fix the door in the entry and exit department of rose box through knob bolt or knob screw to when needing to change the filter, open the door, like this, change the filter and can use dedicated change bag, guarantee whole contactless. Preferably, a sealing ring is arranged at the position where the frame of the bin door is contacted with the side wall of the filter box so as to prevent viruses from leaking.

Preferably, the utility model discloses the whole box of well rose box adopts the full welding structure, through pressure test, prevents that the virus from revealing, changes the filter and uses dedicated change bag (whole contactless).

In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the invention. The foregoing description is only illustrative of the preferred embodiments of the invention, which can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. All the contents that do not depart from the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention all still belong to the protection scope of the technical solution of the present invention.

Claims

1. A filter pressing device is characterized in that: the filter box comprises a filter box (1), a control rod (2), a lifting frame (3) and a plurality of springs (4), wherein an inlet and an outlet are formed in one side of the filter box, an upper supporting frame (11) and a lower supporting frame (12) are installed in the filter box, a filter bin for installing a filter is formed between the upper supporting frame and the lower supporting frame, the control rod is rotatably installed on two oppositely-arranged side walls of the filter box, an eccentric cam (5) is sleeved on the control rod, the springs are installed between the lifting frame and the lower supporting frame, the lifting frame is driven by the springs to tightly press the filter which is fed into the filter bin through the inlet and the outlet onto the bottom surface of the upper supporting frame, and a sealing ring (6) is installed between the filter and the upper supporting frame; the control rod drives the eccentric cam to rotate, and can drive the lifting frame to descend and compress the spring, so that the filter is separated from the upper supporting frame.

2. The filter pressing device according to claim 1, wherein: the lifting frame comprises two first plates (31) which are oppositely arranged and two second plates (32) which are oppositely arranged, the first plates are L-shaped, the second plates comprise U-shaped plate bodies (321) and flanges (322) which are formed by bending one edge of each plate body outwards, and the plate bodies are laterally arranged to enable the vertical parts of the two first plates and the flanges of the two second plates to enclose a square groove for limiting the filter; the two springs are arranged between one first plate and the lower support frame and are close to the two ends of the first plate; the other two springs are arranged between the other first plate and the lower support frame and are close to the two ends of the first plate; the vertical part of the plate body is provided with a position avoiding through hole for avoiding the control rod, one eccentric cam is arranged in the U-shaped groove of the plate body, the other eccentric cam is arranged in the U-shaped groove of the plate body, and the eccentric cam drives the transverse part of the corresponding plate body below the plate body to descend and compress the spring.

3. The filter pressing device according to claim 2, wherein: be equipped with two torsional springs (7), two the torsional spring cover is located on the control lever, a torsional spring is close to one the second board sets up, and another torsional spring is close to another the second board sets up, the both ends of torsional spring with two screw rod (33) fixed connection of installation on the board body.

4. The filter pressing device according to claim 1, wherein: door (13) are installed to the business turn over mouth department of rose box, the door includes frame (131) and door plant (132), locating plate (8) are installed to the door plant inboard, the one end of control lever is bent and is formed operating handle (21) the spring jacking the lift frame compresses tightly during the filter, operating handle is horizontal state, and spacing in the locating plate.