CN215115319U

CN215115319U - Film pressing device for aerosol sampler

Info

Publication number: CN215115319U
Application number: CN202121167951.XU
Authority: CN
Inventors: 宫晓凯; 袁海亮; 董伟
Original assignee: Tianjin Vocational College Of Mechanics And Electricity
Current assignee: Tianjin Vocational College Of Mechanics And Electricity
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-12-10
Anticipated expiration: 2031-05-27

Abstract

The utility model provides an aerosol sample thief press mold device, including clamp plate, frame plate and supporting network, the regional size that the frame plate encloses to close and the filter membrane size for the aerosol sampling correspond the setting, are equipped with first seal ring between frame plate and supporting network, the border forms the sealed blank pressing of annular in the first seal ring interior border protrusion frame plate, and the clamp plate bottom surface is adapted with the sealing member, sticiss sealedly through this sealing member with the filter membrane on the supporting network. In this design, the regional size that the frame board encloses and closes corresponds the setting with the filter membrane size for the aerosol sampling, places the filter membrane for the aerosol sampling and plays the positioning action, guarantees that the filter membrane installation location is accurate, the operating personnel of being convenient for operate.

Description

Film pressing device for aerosol sampler

Technical Field

The utility model belongs to air aerosol monitoring field especially relates to an aerosol sample thief press mold device.

Background

The aerosol sample thief adopts the glass fiber filter membrane to collect the aerosol particle, and the glass fiber filter membrane is installed in the pressure membrane device at equipment top, need pass through the mounting screw with the glass fiber filter membrane before the sampling and fix in the pressure membrane device, loosens the screw after the sampling and takes out the glass fiber filter membrane from the pressure membrane device, and this mode of operation brings inconvenience for the field sampling, and this sample operation is hard consuming time, consequently need to design a section be convenient for operate labour saving and time saving's aerosol sample pressure membrane device urgently.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an aerosol sample thief press mold device to the realization is fixed with the quick pressure equipment of the glass fiber filter membrane of collecting the aerosol particle, and then improves operation personnel operating efficiency.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides an aerosol sample thief press mold device, includes clamp plate, frame board and the supporting network that from top to bottom sets up in order, the regional size that the frame board encloses to close and the filter membrane size for aerosol sampling correspond the setting, the supporting network is used for placing admittedly on the frame board the filter membrane, be equipped with first seal ring between frame board and supporting network, the border forms the sealed blank pressing of annular in the first seal ring along the protrusion frame board, the clamp plate is hollow frame structure, clamp plate and frame board swing joint, this clamp plate bottom surface adaptation have a sealing member, and this sealing member corresponds the setting with the sealed blank pressing of annular, sticiss sealedly through the filter membrane on this sealing member will the supporting network.

Furthermore, a fluid director is arranged below the frame plate, the air inlet end of the fluid director is arranged on the frame plate, and a second sealing washer is arranged between the frame plate and the fluid director.

Furthermore, the air inlet of the fluid director is provided with a grid structure.

Furthermore, the pressing plate is hinged with one end of the frame plate through a damping hinge, the other end of the pressing plate is correspondingly provided with a lock catch, and the pressing plate and the frame plate are locked and fixed through the lock catch.

Further, the lock catch is a ball-catch type lock catch.

Further, the sealing member is a foamed rubber strip structure.

Compared with the prior art, aerosol sample thief press mold device have following advantage:

(1) in this design, the regional size that the frame board encloses and closes corresponds the setting with the filter membrane size for the aerosol sampling, places the filter membrane for the aerosol sampling and plays the positioning action, guarantees that the filter membrane installation location is accurate, the operating personnel of being convenient for operate.

(2) In this design, the filter membrane is fixed on the supporting network by the clamp plate is sealed sticis, and damping hinged joint is passed through to clamp plate and limit deckle board one end, and the clamp plate passes through hasp locking with the limit deckle board other end and fixes, and the operating personnel of being convenient for gets and puts the filter membrane, have convenient operation, labour saving and time saving, simple structure, characteristics with low costs.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic perspective view of a film pressing device of an aerosol sampler according to the present embodiment;

fig. 2 is a schematic perspective exploded view of a film pressing device of an aerosol sampler according to the present embodiment;

fig. 3 is a perspective view of the pressing plate of the present embodiment.

Description of reference numerals:

1-pressing a plate; 13-handle; 2-a seal; 3-collision bead type lock catch; 4-a damped hinge; 5-frame plate; 6-a first sealing gasket; 61-annular sealing and edge pressing; 7-supporting a net; 8-a fluid director; 81-a connecting frame; 9-second sealing gasket.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 and 2, an aerosol sampler pressure membrane device, including clamp plate 1 that sets up in order from top to bottom, frame board 5 and supporting network 7, frame board 5 is square frame structure, clamp plate 1 corresponds for shape and frame board 5, hollow frame structure, in this embodiment, clamp plate 1 is for enclosing by four L templates and close the square frame structure that just per two adjacent L templates welded fastening formed, 1 size of clamp plate is preferred and the border encloses the regional area with frame board 5 and equals, clamp plate 1 can match and put into 5 inner spaces of frame board during the use. The support net 7 is a square net with a shape corresponding to the frame plate 5, and the support net 7 is preferably a stainless steel woven net structure in the embodiment. The clamp plate 1 is articulated with 5 left ends of frame board through damping hinge 4, and

clamp plate

1 and 5 right-hand members of frame board are fixed through bumping pearl formula hasp 3 locking, when bumping pearl formula hasp 3 and loosening, realize the action of opening and shutting through 1 relative frame board 5 of damping hinge 4 clamp plate, and clamp plate 1 opens the angle and can adjust, and the operating personnel of being convenient for get and put the glass fiber filter membrane for the aerosol sample. In this embodiment, the size of the area enclosed by the frame plate 5 corresponds to the size of the filter membrane for aerosol sampling. The supporting net 7 is fixedly arranged on the frame plate 5 and used for placing the filter membrane, a first sealing washer 6 is arranged between the frame plate 5 and the supporting net 7, and the inner edge of the first sealing washer 6 protrudes out of the inner edge of the frame plate 5 to form an annular sealing blank holder 61 corresponding to the shape of the frame plate 5. The bottom surface of the pressure plate 1 is fitted with a sealing member 2, and the sealing member 2 is preferably of a foamed rubber strip structure. The sealing member 2 and the annular sealing edge 61 are arranged, and the filter membrane on the supporting net 7 is tightly pressed and sealed through the sealing member 2 when the aerosol is sampled. During concrete operation, place the filter membrane for the aerosol sample on supporting network 7, because the regional space size and the filter membrane matching that border panel 5 encloses and close the formation, 5 interior borders of border panel are placed the filter membrane and are played the positioning action promptly, it is accurate to guarantee that the filter membrane is placed the position, the operating personnel of being convenient for place the filter membrane fast, the back is placed to the filter membrane, annular seal blank holder 61 is hugged closely all around to the filter membrane, then the operating personnel puts down clamp plate 1, and it is fixed with

clamp plate

1 and 5 locking of border panel through bumping pearl formula hasp 3, pressing member 2 is sealed to be pressed tightly on annular seal blank holder 61 with the filter membrane, the filter membrane is sealed to be fixed between clamp plate 1 and border panel 5 this moment, can carry out the aerosol sample through this filter membrane.

In this embodiment, in order to realize rapid sampling of the air aerosol, the fluid director 8 is arranged below the frame plate 5, the fluid director 8 is in a horn-shaped cavity structure with a large upper end and a small lower end, the upper end, i.e., the large-diameter end, is an air inlet end, the lower end, i.e., the small-diameter end, is an air outlet end, the air outlet end of the fluid director 8 is externally connected with an air pump through a pipeline, the air inlet end of the fluid director 8 is provided with a connecting frame 81, and the connecting frame 81 is fixedly connected with the frame plate 5, so that the fluid director 8 is fixedly mounted with the frame plate 5. In order to ensure the tightness of the filter membrane during sampling, a second sealing washer 9 is arranged between the frame plate 5 and the connecting frame 81. For the convenience of the whole assembly, in this embodiment, the frame plate 5, the first sealing washer 6, the supporting net 7, the second sealing washer 9 and the connecting frame 81 are sequentially arranged from top to bottom and fixedly connected together by bolts.

In this embodiment, the air inlet of the fluid director 8 is provided with a grid structure.

In this embodiment, a handle 13 is arranged at the right end of the pressing plate 1, as shown in fig. 3, the handle 13 is a flanging structure formed by vertically bending the top end of the right end of the pressing plate 1 towards the center of the pressing plate.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an aerosol sample thief press mold device which characterized in that: including clamp plate (1), frame board (5) and supporting network (7) that from top to bottom set up in order, the regional size that frame board (5) enclose and close corresponds the setting with the filter membrane size for the aerosol sampling, supporting network (7) are adorned admittedly and are used for placing on frame board (5) the filter membrane, be equipped with first seal ring (6) between frame board (5) and supporting network (7), border formation annular seal blank pressing (61) in first seal ring (6) in the border protrusion frame board (5), clamp plate (1) is hollow frame structure, and this clamp plate (1) and frame board (5) swing joint, this clamp plate (1) bottom surface adaptation have sealing member (2), and this sealing member (2) correspond the setting with annular seal blank pressing (61), sticiss sealedly through this sealing member (2) with the filter membrane on supporting network (7).

2. The film pressing device for an aerosol sampler according to claim 1, wherein: a fluid director (8) is arranged below the frame plate (5), the air inlet end of the fluid director (8) is arranged on the frame plate (5), and a second sealing washer (9) is arranged between the frame plate (5) and the air inlet end of the fluid director (8).

3. The film pressing device for an aerosol sampler according to claim 2, wherein: the air inlet end of the fluid director (8) is provided with a grid structure.

4. The film pressing device for an aerosol sampler according to claim 1, wherein: the pressing plate (1) is hinged to one end of the frame plate (5) through a damping hinge (4), the other ends of the pressing plate (1) and the frame plate (5) are correspondingly provided with a lock catch, and the pressing plate and the frame plate (5) are locked and fixed through the lock catch.

5. The film pressing device for an aerosol sampler according to claim 4, wherein: the lock catch is a ball-touching lock catch (3).

6. The film pressing device for an aerosol sampler according to claim 1, wherein: the sealing element (2) is of a foamed rubber strip structure.