CN211954877U

CN211954877U - Filter membrane box capable of reducing filter membrane installation damage

Info

Publication number: CN211954877U
Application number: CN202020634132.0U
Authority: CN
Inventors: 郑恩文; 王远振; 骆承法
Original assignee: Zhejiang Teda Safety Technology Co ltd
Current assignee: Zhejiang Teda Safety Technology Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-11-17
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a reduce damaged filter membrane box of filter membrane installation relates to the technical field of filter membrane box, and it includes supplementary lid, supplementary lid is connected with the vertical sliding of first lid, and the third lid is contradicted with the upper surface of supplementary lid. The purpose of setting up supplementary lid is, after second lid and first lid joint, places the filter membrane on the second lid, then rotates the third lid, and when third lid rotated with first lid, the supplementary lid of drive compressed tightly the filter membrane, owing to set up supplementary lid between filter membrane and third lid for the torsion that the third lid produced can not directly be used on the filter membrane, consequently the utility model discloses have the effect that reduces the filter membrane damage.

Description

Filter membrane box capable of reducing filter membrane installation damage

Technical Field

The utility model belongs to the technical field of the technique of filter membrane box and specifically relates to a reduce damaged filter membrane box of filter membrane installation.

Background

At present, a filter membrane box is used for installing a filter membrane, the filter membrane is an important part for detecting dust in a dust sampler, and the dust sampler is a portable appliance for collecting a dust sample in dust-containing air.

As shown in fig. 1, the prior art discloses a filter membrane box, which includes a first cover 100, a second cover 110, and a third cover 120, wherein two side walls of the first cover 100 are formed with vertical grooves 160, two sides of the second cover 110 are fixed with bumps 170, the bumps 170 are clamped in the grooves 160, and the second cover 110 is disposed on the first cover 100. The second cover 110 has a filter membrane 180 disposed thereon, and the third cover 120 is screwed to the first cover 100. During operation, the filter membrane box is placed in a detection port of the dust sampler, and the dust sampler works, so that the filter membrane 180 collects dust in the air. The filter membrane box further includes a fourth cover 130 and a fifth cover 140, wherein the diameter of the fifth cover 140 is larger than that of the fourth cover 130, a circular mounting groove is formed on the fifth cover 140, the first cover 100 is mounted on the fifth cover 140, and the fourth cover 130 is in threaded connection with the fifth cover 140. After sampling, the filter membrane box is taken out of the dust sampler, then the first cover body 100 is mounted on the fifth cover body 140, so that the fourth cover body 130 is in threaded connection with the fifth cover body 140, thereby completing storage of the filter membrane 180, and then a label for detection is attached to the fifth cover body 140.

After the filter membrane 180 is placed on the second cover body 110, when the third cover body 120 is in threaded connection with the first cover body 100, the third cover body 120 can provide a torsion force to the filter membrane 180, so that the filter membrane 180 is folded, and in a severe case, the filter membrane 180 can be damaged, thereby affecting the dust collection effect of the filter membrane 180.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a reduce damaged filter membrane box of filter membrane installation to the not enough of prior art existence.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a reduce damaged filter membrane box of filter membrane installation, includes supplementary lid, supplementary lid is connected with the vertical slip of first lid, and the third lid is contradicted with the upper surface of supplementary lid.

Through adopting above-mentioned technical scheme, the purpose of setting up supplementary lid is, after second lid and first lid joint, places the filter membrane on the second lid, then rotates the third lid, and when third lid rotated with first lid, the supplementary lid of drive compressed tightly the filter membrane, owing to set up supplementary lid between filter membrane and third lid for the torsion that the third lid produced can not directly act on the filter membrane, thereby reduced the damage of filter membrane.

Further: the inlet of the groove is arranged in a trumpet shape.

Through adopting above-mentioned technical scheme, set the purpose of loudspeaker form with recess import department, play the guide effect in first lid to the joint of second lid and supplementary lid to make things convenient for second lid and supplementary lid joint on first lid.

Further: the first joint board of "U" shape is fixed with to fourth lid both sides, and the fifth lid both sides are fixed with the second joint board of "U" shape, first joint board is opposite with second joint board opening, first joint integrated circuit board connects in the second joint board.

Through adopting above-mentioned technical scheme, when installing the fourth lid on the fifth lid, earlier with fourth lid and fifth lid lock, then rotate the fourth lid to make first joint integrated circuit board connect in the second joint board, thereby accomplish the installation of fourth lid and fifth lid.

Further: and a rubber pad with the same shape as the first clamping plate is fixed on the first clamping plate.

Through adopting above-mentioned technical scheme, the purpose that sets up the rubber pad is when rotating the fourth lid for first joint integrated circuit board connects in the second joint board after, because the elasticity of rubber pad, can make the joint more inseparabler between first joint board and the second joint board, makes the fourth lid more stable with being connected of fifth lid.

Further: and an annular sealing gasket is fixed on the fourth cover body.

Through adopting above-mentioned technical scheme, the purpose that sets up sealed pad is, forms sealedly to fourth lid and fifth lid junction, avoids external dust to get into in the fourth lid, pollutes the filter membrane.

Further: and anti-slip lines are arranged along the circumferential direction of the first clamping plate.

Through adopting above-mentioned technical scheme, the purpose that sets up anti-skidding line is, and the staff is avoided slipping when rotating the fourth lid in the frictional force of increase staff hand and fourth lid.

Further: and a label die is arranged on the fourth cover body, and a pressing piece for pressing the label die is arranged on the fourth cover body.

Through adopting above-mentioned technical scheme, when labelling to the fourth lid, place the label mould on the fourth lid earlier, then drive clamping piece for clamping piece compresses tightly the label mould, then pastes the label on the label mould, and when more changing the label, drive clamping piece breaks away from the label mould, then change the label mould can, thereby be convenient for change of label.

Further: the compressing part comprises a compressing plate and a torsional spring, one end of the compressing plate is fixed with a horizontal rotating shaft, the rotating shaft is rotatably connected with the fourth cover body, the torsional spring is sleeved on the rotating shaft, one end of the torsional spring is fixedly connected with the compressing plate, and the other end of the torsional spring is fixedly connected with the fourth cover body.

By adopting the technical scheme, in the initial state, the pressing plate is parallel to the end face of the fourth cover body and compresses the label die, when the label die is replaced, the pressing plate is rotated, then the new label die is replaced, the pressing plate is loosened, and the pressing plate resets under the elasticity of the torsion spring to compress the new label die.

Further: the pressure strip is annular.

Through adopting above-mentioned technical scheme, set up the pressure strip for the purpose of annular, can make the pressure strip push down the periphery of label mould to make the pressure strip with the tighter of label mould pressing.

To sum up, the utility model discloses a beneficial technological effect does:

1. the auxiliary cover body is arranged, after the second cover body is clamped with the first cover body, the filter membrane is placed on the second cover body, then the third cover body is rotated, and when the third cover body and the first cover body rotate, the auxiliary cover body is driven to tightly press the filter membrane;

2. the first clamping connection plate and the second clamping connection plate are arranged for buckling the fourth cover body and the fifth cover body when the fourth cover body is installed on the fifth cover body, and then the fourth cover body is rotated, so that the first clamping connection plate is clamped in the second clamping connection plate, and the fourth cover body and the fifth cover body are installed;

3. the purpose of setting up pressure strip and torsional spring is that initial condition, pressure strip and fourth lid terminal surface are parallel and compress tightly the label mould, and when changing the label mould, rotate the pressure strip, then with the back of new label mould change, loosen the pressure strip, the pressure strip resets under the elasticity of torsional spring and compresses tightly new label mould.

Drawings

FIG. 1 is an exploded view of the prior art;

FIG. 2 is an exploded view of the present embodiment;

fig. 3 is a schematic view of the entire structure of the present embodiment.

Reference numerals: 100. a first cover body; 110. a second cover body; 120. a third cover body; 130. a fourth cover body; 140. a fifth cover body; 150. an auxiliary cover body; 160. a groove; 170. a bump; 180. filtering the membrane; 190. mounting grooves; 200. a first clamping connection plate; 210. a second clamping plate; 220. anti-skid lines; 250. label mould; 260. a compression member; 261. a compression plate; 262. a torsion spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 2, for the utility model discloses a reduce damaged filter membrane box of filter membrane installation, including supplementary lid 150, supplementary lid 150 slides with first lid 100 is vertical to be connected, and third lid 120 contradicts with the upper surface of supplementary lid 150. After the second cover body 110 is clamped with the first cover body 100, the filter membrane 180 is placed on the second cover body 110, then the third cover body 120 is rotated, and when the third cover body 120 is rotated with the first cover body 100, the auxiliary cover body 150 is driven to compress the filter membrane 180, and the auxiliary cover body 150 is arranged between the filter membrane 180 and the third cover body 120, so that torsion generated by the third cover body 120 cannot be directly applied to the filter membrane 180, and the damage of the filter membrane 180 is reduced.

In order to facilitate the second cover 110 and the auxiliary cover 150 to be fastened to the first cover 100, the inlet of the groove 160 is flared.

In order to facilitate the installation of the fourth cover 130 on the fifth cover 140, the first U-shaped fastening plate 200 is welded to both sides of the fourth cover 130, the second U-shaped fastening plate 210 is welded to both sides of the fifth cover 140, the opening directions of the first fastening plate 200 and the second fastening plate 210 are opposite, and the first fastening plate 200 is fastened in the second fastening plate 210. When the fourth cover 130 is mounted on the fifth cover 140, the fourth cover 130 and the fifth cover 140 are fastened, and then the fourth cover 130 is rotated, so that the first fastening plate 200 is fastened in the second fastening plate 210, thereby completing the mounting of the fourth cover 130 and the fifth cover 140.

In order to prevent the worker from slipping when rotating the fourth cover 130, anti-slip threads 220 are formed along the circumferential direction of the first engaging plate 200.

In order to enhance the tightness between the first clamping plate 200 and the second clamping plate 210, and to make the connection between the fourth cover 130 and the fifth cover 140 more stable, a rubber pad having the same shape as the first clamping plate 200 is fixed in the first clamping plate 200.

In order to enhance the sealing property at the joint of the fourth cover 130 and the fifth cover 140 and prevent external dust from entering the fourth cover 130 and polluting the filter membrane 180, an annular sealing gasket is fixed on the fourth cover 130.

As shown in fig. 3, in order to facilitate the replacement of the label, a label mold 250 is provided on the fourth cover 130, and a pressing member 260 for pressing the label mold 250 is provided on the fourth cover 130. The pressing member 260 includes a pressing plate 261 and a torsion spring 262, and a horizontal rotation shaft is fixed to one end of the pressing plate 261 and rotatably connected to the fourth cover 130. The rotating shaft is sleeved with a torsion spring 262, one end of the torsion spring 262 is fixedly connected with the pressing plate 261, and the other end is fixedly connected with the fourth cover 130. In an initial state, the pressing plate 261 is parallel to the end surface of the fourth cover 130 and presses the label die 250, when the label die 250 is replaced, the pressing plate 261 is rotated, so that the pressing plate 261 is separated from the label die 250, and then the new label die 250 is replaced, and then the pressing plate 261 is released, and the pressing plate 261 can be reset under the elasticity of the torsion spring 262 to press the new label die 250.

In order to further improve the pressing effect of the pressing plate 261, the pressing plate 261 is configured in a ring shape, the ring-shaped pressing plate 261 can press the edge of the label film, and the label is attached to the middle position of the label mold 250.

The specific working process of this embodiment: after the protrusion 170 on the second cover body 110 is engaged with the groove 160 on the first cover body 100, the filter membrane 180 is placed on the second cover body 110, then the auxiliary cover body 150 is installed on the first cover body 100, and then the third cover body 120 is rotated, so that after the third cover body 120 is installed, the auxiliary cover body 150 compresses the filter membrane 180. The first cover 100 is then installed in the dust sampler such that the filter film 180 samples dust in the air. After sampling is completed, the first cover body 100 is taken out, and then is placed in the fifth cover body 140, and then the fourth cover body 130 and the fifth cover body 140 are buckled, and the fourth cover body 130 is rotated, so that the first clamping plate 200 is clamped on the second clamping plate 210, and thus the fourth cover body 130 is installed, the pressing plate 261 is rotated, the label die 250 is placed on the fourth cover body 130, and then the pressing plate 261 is loosened, so that the pressing plate 261 presses the label die 250 tightly, and then the label is pasted on the label die 250.

Claims

1. The utility model provides a reduce damaged filter membrane box of filter membrane installation which characterized in that: the novel multifunctional cover comprises an auxiliary cover body (150), wherein the auxiliary cover body (150) is vertically connected with the first cover body (100) in a sliding mode, and the third cover body (120) is abutted to the upper surface of the auxiliary cover body (150).

2. A filter membrane cassette for reducing filter membrane installation breakage as recited in claim 1, wherein: the inlet of the groove (160) is arranged in a trumpet shape.

3. A filter membrane cassette for reducing filter membrane installation breakage as recited in claim 2, wherein: u-shaped first clamping and connecting plates (200) are fixed on two sides of the fourth cover body (130), U-shaped second clamping and connecting plates (210) are fixed on two sides of the fifth cover body (140), openings of the first clamping and connecting plates (200) and the second clamping and connecting plates (210) are opposite, and the first clamping and connecting plates (200) are clamped in the second clamping and connecting plates (210).

4. A filter membrane cassette for reducing filter membrane installation breakage as recited in claim 3, wherein: and a rubber pad with the same shape as the first clamping plate (200) is fixed on the first clamping plate.

5. A filter membrane cassette for reducing filter membrane installation breakage as set forth in claim 4, wherein: an annular sealing gasket is fixed on the fourth cover body (130).

6. A filter membrane cassette for reducing filter membrane installation breakage as recited in claim 5, wherein: and anti-skid grains (220) are arranged along the circumferential direction of the first clamping plate (200).

7. A filter membrane cassette for reducing filter membrane installation breakage as recited in claim 6, wherein: the fourth cover body (130) is provided with a label die (250), and the fourth cover body (130) is provided with a pressing piece (260) used for pressing the label die (250).

8. A filter membrane cassette for reducing filter membrane installation breakage as recited in claim 7, wherein: compress tightly piece (260) including pressure strip (261) and torsional spring (262), pressure strip (261) one end is fixed with the horizontally pivot, the pivot rotates with fourth lid (130) to be connected, the cover is equipped with torsional spring (262) in the pivot, the one end and pressure strip (261) fixed connection of torsional spring (262), the other end and fourth lid (130) fixed connection.

9. A filter membrane cassette for reducing filter membrane installation breakage as recited in claim 8, wherein: the compacting plate (261) is annular.