CN217511431U - Bag inlet and outlet filter - Google Patents

Abstract

The utility model relates to a bag goes into bag and goes out filter, it includes the box, the both sides that the box is relative are the opening setting, the both ends of box are provided with the connecting plate, set up the breach that links to each other with the box opening on the connecting plate, the joint groove has just been located the breach perisporium on the connecting plate, the connecting plate is including setting up the first plate body on the box and the second plate body on the first plate body, the joint groove is seted up on first plate body and second plate body, the second plate body is including setting up the fixed plate on the first plate body and rotating the L shaped plate that sets up on the fixed plate. When the connection bag advances a bag and goes out filter and detection pipeline, rotate the L shaped plate, the mounting panel relative slip of detection pipeline gets into the joint inslot of connecting plate, rotates the L shaped plate once more, and L shaped plate and fixed plate form the joint groove, make the mounting panel of detection pipeline arrange the joint inslot in, realize that the bag advances the connection that bag goes out filter and detection pipeline, this application has the sealed effect that improves bag and advance a bag and go out filter and detection pipeline junction.

Description

Bag inlet and outlet filter

Technical Field

The present application relates to the field of filters, and more particularly, to a bag-in-and-out filter.

Background

Bag-in and bag-out filters are commonly used for the field research of high risk or high isolation requirements such as biosafety, disease control, radioisotope treatment and the like; the bag goes into bag play strainer biggest characteristics are all gone on under PVC bag (or high temperature bag) protection when installation, change, detection filter, and the filter unit does not contact with the outside air completely to personnel and the safety of environment have been guaranteed.

Currently, patent document No. CN205783671U discloses a bag in and out filter, which includes a box, a flange interface, a convex pattern bag ring, an access door, a filter core and a removing mechanism; the two flange interfaces are provided with two sides which are positioned at opposite positions of the box body, and a plurality of through holes for bolts to pass through are formed in the two flange interfaces; a convex pattern bagging ring is arranged on one end face of the box body adjacent to the flange interface and communicated with the interior of the box body, the filter core body is arranged in the box body, two removing mechanisms are oppositely arranged on the inner side wall of the box body along the inlet direction of the convex pattern bagging ring, and the removing mechanisms can conveniently remove the filter core body into the box body; the access door is positioned on one side of the box body where the convex grain bagging ring is positioned and is detachably connected with the box body, and the access door is used for sealing the convex grain bagging ring in the box body; the detection pipeline is provided with a mounting plate used for being connected with the filter, the mounting plate is provided with a through hole, when the filter is used, the flange interface is aligned with the mounting plate of the detection pipeline, the through hole in the flange interface and the through hole in the mounting plate are located on the same axis, and the filter and the detection pipeline are connected together by using a bolt to form a filtering channel.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: the flange interface passes through the bolt and is connected with the detection pipeline, and certain clearance probably exists with the detection pipeline junction in the flange interface, leads to the bag to advance the bag and goes out the filter and detect the pipeline sealing performance comparatively general.

SUMMERY OF THE UTILITY MODEL

To improve the sealing of the bag-in-bag filter to the test line, the present application provides a bag-in-bag filter.

The application provides a bag goes into bag and goes out filter adopts following technical scheme:

the bag inlet and outlet filter comprises a box body, wherein two opposite sides of the box body are provided with openings, two ends of the box body are provided with connecting plates, the connecting plates are provided with notches communicated with the openings of the box body and used for a detection pipeline to pass through, and clamping grooves used for clamping a detection pipeline mounting plate are formed in the connecting plates and positioned on the peripheral walls of the notches; the connecting plate is including setting up first plate body on the box and the second plate body of setting on the first plate body, the joint groove is seted up on first plate body and second plate body, the second plate body sets up the L shaped plate on the fixed plate with rotating including setting up the fixed plate on the first plate body, the fixed plate sets up on the box, the axis of rotation perpendicular to of L shaped plate open-ended axis, the L shaped plate rotate extremely during the fixed plate below, the mounting panel relative slip entering of measuring tube the joint inslot, the L shaped plate rotate extremely during directly over the fixed plate, the mounting panel joint of measuring tube is in the L shaped plate with in the joint inslot that forms between the fixed plate, the bag advances the bag and goes out the filter and still including being used for fixing the L shaped plate extremely form the mounting in joint groove directly over the fixed plate.

By adopting the technical scheme, when the bag inlet and outlet filter is installed, the L-shaped plate is rotated to the position below the fixed plate, then the bag inlet and outlet filter is moved into the installation position of the detection pipeline, the installation plate of the detection pipeline relatively slides into the clamping groove of the connecting plate, the L-shaped plate is rotated to the position right above the fixed plate again, the L-shaped plate is fixed right above the fixed plate through the fixing piece, the L-shaped plate and the fixed plate form the clamping groove, the installation plate of the detection pipeline is placed in the clamping groove, and the connection between the bag inlet and outlet filter and the detection pipeline is realized; simultaneously, under the effect of connecting plate, accomodate the mounting panel of measuring pipe to the joint inslot for the communicating port that measuring pipe and bag advance a bag and go out the filter is located connecting plate and box, and then has improved the leakproofness that the bag advances a bag and goes out filter and measuring pipe junction.

Preferably, first plate body with all be provided with sealed the pad on the fixed plate, sealed the pad setting on the first plate body is in the joint inslot of first plate body just is located the joint groove and is close to on the lateral wall of box, sealed pad setting on the fixed plate is in the fixed plate deviates from on the face of box.

Through adopting above-mentioned technical scheme, all be provided with sealed the pad on first plate body and the fixed plate, when connecting the test tube way, the mounting panel and the sealed butt that fills of test tube way because the sealing pad has elasticity, fill the slight clearance between test tube way mounting panel and the sealed pad, further reduced the bag and advanced the bag and go out the possibility that there is the clearance in filter and test tube way junction, improved sealed effect.

Preferably, the fixing piece comprises an extension plate arranged on the L-shaped plate and used for being in lap joint with the first plate body, the extension plate is in threaded connection with a bolt, and the first plate body is provided with a screw hole used for being in lap joint with the extension plate on the first plate body and used for being in threaded connection with the bolt.

By adopting the technical scheme, when the L-shaped plate rotates to be right above the fixing plate, the extension plate is lapped on the first plate body, the bolt and the screw hole are positioned on the same axis at the moment, the bolt is rotated to enable the bolt to be in threaded connection in the screw hole, and then the L-shaped plate is fixed right above the fixing plate, so that the operation is simple and convenient; meanwhile, the bolt connection has a self-locking function, the possibility that the L-shaped plate rotates under the action of gravity is reduced, and the stability of a clamping groove formed by the L-shaped plate and the fixing plate is improved.

Preferably, the first plate body with all be provided with on the L shaped plate and be used for crimping detection pipeline mounting panel extremely sealed the piece that compresses tightly of filling up, compress tightly the piece including sliding the pressure strip that sets up at the joint inslot, the degree of depth direction in the slip direction perpendicular to joint groove of pressure strip, compress tightly the piece and still include the locating part, the locating part is used for fixing pressure strip is to the mounting panel of detection pipeline on.

By adopting the technical scheme, after the mounting plate of the detection pipeline is moved into the clamping groove, the sliding pressing plate is abutted against the mounting plate of the detection pipeline, so that the mounting plate of the detection pipeline is pushed to press the sealing gasket, the sealing gasket is compressed by the mounting plate of the detection pipeline, the pressure between the mounting plate of the detection pipeline and the sealing gasket is increased, and the sealing effect of a joint is improved; meanwhile, the pressing plate is fixed at the pressing position through the limiting part, the pressing force between the detection pipeline mounting plate and the sealing gasket is kept, and the sealing stability is improved.

Preferably, the locating part sets up including rotating gag lever post on the pressure strip, the gag lever post slides and wears to establish first plate body with on the L shaped plate, the coaxial limiting plate that is provided with on the gag lever post, first plate body with seted up on the L shaped plate supply the spacing hole that the limiting plate passed.

By adopting the technical scheme, the limiting rod is pushed, and the limiting rod drives the pressing plate to slide in the clamping groove, so that the pressing of the pressing plate is realized, and the operation is simple and convenient; simultaneously, when promoting the gag lever post, the gag lever post drives the limiting plate and passes spacing hole entering joint inslot, and at this moment, rotatory gag lever post again, the gag lever post will drive the limiting plate and rotate, makes the limiting plate butt on the joint groove deviates from the sealed lateral wall that fills up, realizes the fixed of gag lever post, and then makes the pressure strip be in the position that compresses tightly all the time, and easy operation is convenient.

Preferably, the limiting plate is in threaded connection with the limiting rod.

Through adopting above-mentioned technical scheme, limiting plate threaded connection is on the gag lever post, and the relative position of limiting plate on the gag lever post is adjusted to rotatory limiting plate, and then adjusts the position of pressure strip when the gag lever post is fixed, makes the pressure strip adapt to the detection pipeline mounting panel of different thickness, improves the bag and advances the suitability of bag play filter installation.

Preferably, the joint groove deviates from be provided with the spring on the sealed lateral wall that fills up, the spring is close to the one end setting that fills up is on the pressure strip.

Through adopting above-mentioned technical scheme, when the installation bag advances bag play filter to detection pipeline junction, the pressure strip is in the joint groove under the effect of spring and deviates from the sealed one side that fills up, has increased the distance between pressure strip and the sealed pad, provides the space for the slip-in of detection pipeline mounting panel, has improved the convenience of operation.

Preferably, the pressure strip includes relay board and clamp plate, relay board and clamp plate overlap and set up, the clamp plate sets up relay board with sealed between the pad, the relay board rotates to be connected on the gag lever post, first plate body with rotate on the L shaped plate and be provided with the screw rod, set up on the relay board and supply screw rod threaded connection's screw hole, the clamp plate rotates and connects on the screw rod.

By adopting the technical scheme, when the limiting rod is fixed, the position of the relay plate is relatively fixed, the screw rod is rotated again, the screw rod drives the pressing plate to move, the distance between the pressing plate and the relay plate is increased or decreased, and the pressing plate is pressed towards or away from the sealing gasket, so that the pressing force between the detection pipeline mounting plate and the sealing gasket is adjusted, and the sealing effect is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the bag inlet and outlet filter and the detection pipeline are connected, the L-shaped plate is rotated to be below the fixed plate, the mounting plate of the detection pipeline slides relatively to enter the clamping groove of the connecting plate, the L-shaped plate is rotated to be right above the fixed plate again, the L-shaped plate is fixed to be right above the fixed plate through the fixing piece, and the L-shaped plate and the fixed plate form the clamping groove, so that the mounting plate of the detection pipeline is placed in the clamping groove, and the bag inlet and outlet filter and the detection pipeline are connected; meanwhile, the mounting plate of the detection pipeline is wrapped in the clamping groove, the acting surface of the detection pipeline mounting plate and the bag inlet and outlet filter is increased, the possibility that a gap exists at the joint of the bag inlet and outlet filter and the detection pipeline is reduced, and the sealing effect of the joint of the bag inlet and outlet filter and the detection pipeline is improved.

Drawings

FIG. 1 is a schematic diagram of the overall construction of a bag-in-bag-out filter.

Fig. 2 is an open view of the bag in and out of the filter.

Figure 3 is a cross-sectional view of the bag-in-bag-out filter.

Fig. 4 is a partial view of fig. 3.

Fig. 5 is an enlarged view of a in fig. 4.

Fig. 6 is an enlarged view of B in fig. 4.

Fig. 7 is an enlarged view of C in fig. 4.

Fig. 8 is an enlarged view of D in fig. 3.

Description of reference numerals:

1. a box body;

2. a connecting plate; 21. a first plate body; 22. a second plate body; 221. a fixing plate; 222. an L-shaped plate; 223. hinging a shaft; 23. a notch;

3. a fixing member; 31. an extension plate; 32. a bolt; 33. a screw hole;

4. a compression member; 41. a compression plate; 411. a relay board; 412. pressing a plate; 42. a stopper; 421. a limiting rod; 422. a limiting plate; 423. a limiting hole;

5. a gasket;

6. a spring;

7. a screw;

8. a threaded bore.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses bag goes into bag play strainer. Referring to fig. 1, the bag inlet and outlet filter comprises a box body 1, two opposite sides of the box body 1 are provided with openings, two ends of the box body 1 are fixedly connected with connecting plates 2, the connecting plates 2 are provided with notches 23 communicated with the openings of the box body 1 for the passing of detection pipelines, and clamping grooves for clamping the detection pipeline mounting plates are arranged on the connecting plates 2 and on the peripheral walls of the notches 23; the connecting plate 2 is including setting up first plate body 21 on the box 1 and the second plate body 22 of setting on first plate body 21, and the joint groove is seted up on first plate body 21 and second plate body 22.

Referring to fig. 2 and 7, in order to facilitate the detection of the entrance of the pipe mounting plate into the clamping groove, the second plate 22 includes a fixing plate 221 fixedly connected to the first plate 21 and an L-shaped plate 222 rotatably disposed on the fixing plate 221, the L-shaped plate 222 is rotatably connected to the fixing plate 221 through a hinge shaft 223, the fixing plate 221 is simultaneously fixedly connected to the box body 1, and a rotation axis of the L-shaped plate 222 is perpendicular to an axis of the opening of the box body 1; when the L-shaped plate 222 rotates to the position below the fixing plate 221, the mounting plate of the detection pipeline slides relatively to enter the clamping groove, then the L-shaped plate 222 is rotated to the position right above the fixing plate 221, the clamping groove is formed between the L-shaped plate 222 and the fixing plate 221, the mounting plate of the detection pipeline is clamped in the clamping groove, the connection between the detection pipeline and the bag inlet and outlet filter is realized, meanwhile, the mounting plate is accommodated in the clamping groove, the communication port of the detection pipeline and the bag inlet and outlet filter is positioned in the connecting plate 2 and the box body 1, and the sealing performance of the connection position of the bag inlet and outlet filter and the detection pipeline is further improved; further, the bag-in and bag-out filter further includes a fixing member 3 for fixing the L-shaped plate 222 to a position just above the fixing plate 221 to form a catching groove.

Referring to fig. 4, in order to improve the sealing effect at the connection position between the detection pipeline and the bag inlet and outlet filter, sealing gaskets 5 are respectively arranged on the first plate body 21 and the fixing plate 221, the sealing gasket 5 on the first plate body 21 is arranged in the clamping groove of the first plate body 21 and is positioned on the side wall of the clamping groove close to the box body 1, the sealing gasket 5 on the fixing plate 221 is arranged on the surface of the fixing plate 221 departing from the box body 1, and the sealing gasket 5 is tiled on the surface of the fixing plate 221 departing from the box body 1 and the side wall of the clamping groove close to the box body 1; when the mounting bag enters and exits the filter to the mounting plate of the detection pipeline, the mounting plate of the detection pipeline presses the sealing gasket 5, and the sealing gasket 5 has elasticity, so that a small gap can be filled, and the sealing effect is improved.

Referring to fig. 3 and 8, in the embodiment of the present application, the fixing member 3 includes two extension plates 31 respectively disposed at two ends of the L-shaped plate 222, one end of each extension plate 31 is fixedly connected to the L-shaped plate 222, one end of each extension plate 31 far away from the L-shaped plate 222 is connected to a bolt 32 through a thread, when the L-shaped plate 222 is located directly above the fixing plate 221, one end of each extension plate 31 far away from the L-shaped plate 222 is lapped on the first plate 21, a screw hole 33 for the bolt 32 to be connected to the thread is formed in the first plate 21, the bolt 32 is screwed up to enter the screw hole 33 and is connected to the screw hole, so that the L-shaped plate 222 is fixed directly above the fixing plate 221, and stability of a clamping groove formed by the L-shaped block and the fixing plate 221 is improved.

Referring to fig. 4, in order to increase the pressure between the detection pipeline mounting plate and the sealing gasket 5, the L-shaped plate 222 and the first plate 21 are provided with the pressing member 4, the pressing member 4 includes a pressing plate 41 and a limiting member 42, the pressing plate 41 is in a long plate shape, the pressing plate 41 is slidably disposed in the clamping groove, and the pressing plate 41 slides in a direction perpendicular to the depth direction of the clamping groove; when the pressing plate 41 slides towards the sealing gasket 5, the mounting plate of the detection pipeline is pushed to press the sealing gasket 5, so that the pressure between the mounting plate and the sealing gasket 5 is increased, and the sealing effect is improved; meanwhile, the stopper 42 fixes the pressing plate 41 at the pressing position, and maintains the pressing force between the detection pipe installation plate and the gasket 5.

In the embodiment of the application, referring to fig. 5, the limiting member 42 includes a limiting rod 421 rotatably disposed on the pressing plate 41, the limiting rod 421 located on the first plate 21 is slidably disposed through the first plate 21, the limiting rod 421 located on the L-shaped plate 222 is slidably disposed through the L-shaped plate 222, further, the limiting rod 421 located on the L-shaped plate 222 is located on a side away from the sealing gasket 5, a limiting plate 422 is coaxially disposed on the limiting rod 421, the limiting plate 422 is in a strip shape, and limiting holes 423 for the limiting plate 422 to pass through transversely or vertically are disposed on the first plate 21 and the L-shaped plate 222; when the sealing gasket is used, the limiting rod 421 is pushed, the limiting rod 421 drives the limiting plate 422 to move and further passes through the limiting hole 423 to the pressing position, at the moment, the limiting rod 421 is rotated, the limiting rod 421 drives the limiting plate 422 to rotate, the limiting plate 422 is abutted to the side wall of the clamping groove, which is far away from the sealing gasket 5, and therefore the limiting rod 421 is limited to slide towards the direction far away from the sealing gasket 5;

referring to fig. 5, in order to adapt to different compression positions, the limiting rod 421 is in threaded connection with the limiting plate 422, the limiting rod 421 is rotated, the limiting plate 422 is moved along the length direction of the limiting rod 421, and then the relative position of the limiting plate 422 and the limiting rod 421 is adjusted, so that the length of the limiting rod 421 in the clamping groove is changed, further, the position of the pressing plate 41 during compression is adjusted, the compression range of the pressing plate 41 is increased, and the applicability of the bag entering and exiting the filter during installation is improved.

Refer to fig. 6, in order to go into the bag to go out the filter with the bag and install on the detection pipeline for the sake of convenience, the joint inslot is provided with spring 6, the one end of spring 6 is connected on the joint groove deviates from the lateral wall that fills up 5, the other end of spring 6 is connected in the one side that pressure strip 41 deviates from sealed pad 5, under the effect of spring 6 elasticity, make pressure strip 41 have the trend of motion that the orientation deviates from sealed pad 5 direction, the distance between pressure strip 41 and the sealed pad 5 has been increased, the mounting panel of the detection pipeline of being convenient for slides in the joint groove, the convenience of installation has been improved.

Referring to fig. 6, in order to further improve the sealing effect at the connection between the bag inlet and outlet filter and the detection pipeline, the pressing plate 41 includes a relay plate 411 and a pressing plate 412, the relay plate 411 and the pressing plate 412 are overlapped, the pressing plate 412 is disposed between the relay plate 411 and the sealing gasket 5, one side of the relay plate 411, which is away from the sealing gasket 5, is rotatably connected to the limiting rod 421, a plurality of screws 7 are rotatably disposed on the first plate 21 and the L-shaped plate 222, the screws 7 on the first plate 21 and the L-shaped plate 222 are symmetrically distributed on two sides of the limiting rod 421, a threaded hole 8 for the screw 7 to be in threaded connection is disposed on the relay plate 411, and one end of the screw 7, which is close to the pressing plate 412, is rotatably disposed on the pressing plate 412.

When the limiting rod 421 is already at the compressing position, the screw 7 is rotated, the screw 7 drives the pressing plate 412 to move towards the sealing gasket 5, and further the mounting plate of the detection pipeline is pushed to move towards the sealing gasket 5, so that the pressure between the mounting plate and the sealing gasket 5 is increased, and the sealing effect is improved; meanwhile, the mounting plate has a reaction force on the pressing plate 412, the reaction force of the pressing plate 412 is transmitted to the relay plate 411, the relay plate 411 is driven to move towards the direction away from the sealing gasket 5, and the limiting plate 422 limits the limiting rod 421 to slide towards the direction away from the sealing gasket 5, so that the relay plate 411 is limited to move towards the direction away from the sealing gasket 5, and the sealing stability is improved.

The implementation principle of the bag inlet and outlet filter in the embodiment of the application is as follows: when the bag inlet and outlet filter and the detection pipeline are connected, the L-shaped plate 222 is rotated to the position below the fixing plate 221, the mounting plate of the detection pipeline slides relatively to enter the clamping groove of the first plate body 21, the L-shaped plate 222 is rotated to the position right above the fixing plate 221 again, the extension plate 31 on the L-shaped plate 222 is lapped on the first plate body 21, the bolt 32 and the screw hole 33 are positioned on the same axis at the moment, the bolt 32 is rotated to enable the bolt 32 to be in threaded connection with the screw hole 33, the L-shaped plate 222 is further fixed to the position right above the fixing plate 221, the L-shaped plate 222 and the fixing plate 221 form a clamping groove, the mounting plate of the detection pipeline is placed in the clamping groove, and the connection between the bag inlet and outlet filter and the detection pipeline is realized; after the bag inlet and outlet filter is connected with the detection pipeline, the limiting rod 421 is pushed, the limiting rod 421 drives the relay plate 411, the pressing plate 412 is further driven to slide towards the direction of the sealing gasket 5, and the pressing plate 412 pushes the mounting plate of the detection pipeline to press the sealing gasket 5; after reaching the pressing position, the limiting rod 421 is rotated, and the limiting rod 421 drives the limiting plate 422 to rotate, so that the limiting plate 422 abuts against the side wall, deviating from the sealing gasket 5, in the clamping groove; at this time, the screw 7 is rotated to further move the pressing plate 412 toward the gasket 5, thereby pushing the mounting plate to further press the gasket 5, and improving the sealing effect at the connection between the bag inlet and outlet filter and the detection pipeline.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a bag advances a bag and goes out strainer, includes box (1), the both sides that box (1) is relative are the opening setting, its characterized in that: connecting plates (2) are arranged at two ends of the box body (1), a notch (23) communicated with an opening of the box body (1) and used for a detection pipeline to pass through is formed in each connecting plate (2), and a clamping groove used for clamping a detection pipeline mounting plate is formed in the connecting plate (2) and located on the peripheral wall of each notch (23); the connecting plate (2) is including setting up first plate body (21) on box (1) and second plate body (22) of setting on first plate body (21), the joint groove is seted up first plate body (21) with on second plate body (22), second plate body (22) are including setting up fixed plate (221) on first plate body (21) are in with rotating L shaped plate (222) of setting on fixed plate (221), fixed plate (221) set up on box (1), the axis of rotation perpendicular to of L shaped plate (222) box (1) open-ended axis, when L shaped plate (222) rotate to fixed plate (221) below, the mounting panel relative slip of detection pipeline gets into the joint inslot, when L shaped plate (222) rotate to directly over fixed plate (221), the mounting panel joint of detection pipeline is in L shaped plate (222) with the joint inslot that forms between fixed plate (221), the bag inlet and outlet filter also comprises a fixing piece (3) which is used for fixing the L-shaped plate (222) to a position right above the fixing plate (221) to form a clamping groove.

2. The bag in and out filter of claim 1, wherein: first plate body (21) with all be provided with sealed pad (5) on fixed plate (221), sealed pad (5) on the first plate body (21) set up the joint inslot of first plate body (21) just is located the joint groove and is close to on the lateral wall of box (1), sealed pad (5) on fixed plate (221) set up fixed plate (221) deviates from on the face of box (1).

3. The bag in and out filter of claim 1, wherein: the fixing piece (3) is arranged on the L-shaped plate (222) and used for being lapped with the extension plate (31) of the first plate body (21), the extension plate (31) is connected with a bolt (32) through threads, and the first plate body (21) is provided with a screw hole (33) which is used for being lapped with the extension plate (31) and used for being connected with the bolt (32) through threads when the first plate body (21) is arranged.

4. The bag in and out filter of claim 2, wherein: first plate body (21) with all be provided with on L shaped plate (222) and be used for crimping detection pipeline mounting panel extremely sealed packing (5) compress tightly piece (4), compress tightly piece (4) including slide and set up pressure strip (41) at the joint inslot, the direction of depth of the slip perpendicular to joint groove of pressure strip (41), compress tightly piece (4) and still include locating part (42), locating part (42) are used for fixing on pressure strip (41) to the mounting panel of detection pipeline.

5. The bag in and out filter of claim 4, wherein: locating part (42) sets up including rotating gag lever post (421) on pinch plate (41), gag lever post (421) slide to wear to establish first plate body (21) with on L shaped plate (222), the coaxial limiting plate (422) that is provided with on gag lever post (421), first plate body (21) with the confession has been seted up on L shaped plate (222) spacing hole (423) that limiting plate (422) passed.

6. The bag in and out filter of claim 5, wherein: the limiting plate (422) is in threaded connection with the limiting rod (421).

7. The bag in and out filter of claim 2, wherein: the joint groove deviates from be provided with spring (6) on the lateral wall of sealed pad (5), spring (6) are close to the one end setting of sealed pad (5) is on pressure strip (41).

8. The bag in and out filter of claim 5, wherein: the pressure strip (41) comprises a relay board (411) and a pressure plate (412), the relay board (411) and the pressure plate (412) are arranged in an overlapping mode, the pressure plate (412) is arranged between the relay board (411) and the sealing gasket (5), the relay board (411) is connected to the limiting rod (421) in a rotating mode, a screw rod (7) is arranged on the first board body (21) and the L-shaped board (222) in a rotating mode, a threaded hole (8) for the screw rod (7) to be in threaded connection is formed in the relay board (411), and the pressure plate (412) is connected to the screw rod (7) in a rotating mode.

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