CN218523684U

CN218523684U - Negative pressure weighing chamber

Info

Publication number: CN218523684U
Application number: CN202222612315.4U
Authority: CN
Inventors: 孙文家; 孙小响
Original assignee: Suzhou Maisile Machinery Device Co ltd
Current assignee: Suzhou Maisile Machinery Device Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-02-24
Anticipated expiration: 2032-09-29

Abstract

The utility model relates to a weigh room technical field, and disclose a room is weighed to negative pressure, including box and studio, the studio welds the one end at the internal diapire of box, and the front side of this studio is opened and is equipped with the opening, and the openly side opening department of studio articulates there are two current doors, and the bottom mounting on the box back side runs through there is the intake pipe, and the one end intercommunication of intake pipe is equipped with the pipe, and this pipe is located the inside of box. This scheme is through being equipped with first communicating pipe and second communicating pipe, is provided with first fan on the top of first communicating pipe inner chamber, is provided with first air cleaner in the one end of second communicating pipe inner chamber, can inhale the air to the inside of pipe and filtered and then arrange the inside of studio by first air cleaner through first fan, then the air in with the studio is taken out to the pipe and is being taken out simultaneously through second communicating pipe through the second fan.

Description

Negative pressure weighing chamber

Technical Field

The utility model belongs to the technical field of weighing room technique and specifically relates to a room is weighed to negative pressure.

Background

The weighing room is a special local purifying device used in the places of pharmacy, microbiological research, scientific experiment and the like, and provides a vertical one-way airflow, so that part of clean air is discharged into a working area of the weighing room through an air pipeline and then circulates in the working area, so that negative pressure is generated in the working area.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned proposed problems, the present application provides a negative pressure weighing chamber.

The application provides a negative pressure weighing room adopts following technical scheme:

a negative pressure weighing chamber comprises a box body and a working chamber, wherein the working chamber is welded at one end of the inner bottom wall of the box body, an opening is formed in the front side of the working chamber, two passing doors are hinged to the opening of the front side of the working chamber, an air inlet pipe penetrates through the bottom end of the back side of the box body, one end of the air inlet pipe is communicated with a guide pipe, the guide pipe is located inside the box body, one end of the guide pipe penetrates through the top end of the front side of the box body, a first communicating pipe is communicated with the inner top wall of the working chamber, a second communicating pipe is communicated with the bottom end of one inner side wall of the working chamber, and the first communicating pipe and the second communicating pipe are communicated with the guide pipe;

the utility model discloses a fan, including first connecting pipe inner chamber, air-blower, first fan, first air cleaner, first connecting pipe inner chamber, the top and the bottom of first connecting pipe inner chamber are provided with first fan and first air cleaner respectively, the surface of first fan and first air cleaner's surface all with first connecting pipe inner wall welding, the both ends of second connecting pipe inner chamber are provided with second fan and second air cleaner respectively, the surface of first fan and first air cleaner's surface all with second connecting pipe inner wall welding, the one end of pipe inner chamber is provided with the air-blower, the air-blower both sides respectively with pipe wherein two inner wall welding.

Through adopting above-mentioned technical scheme, inhale the outside air of box to the pipe through the intake pipe through the air-blower, then by the pipe transport, when treating partial air flow in the pipe to first communicating pipe top, first fan inhales the inside of pipe with the air and is filtered and then arrange the inside to the studio by first air cleaner, then through the second fan with the air in the studio through the second communicating pipe in being taken out to the pipe and being filtered by second air cleaner at the in-process of being taken out simultaneously, form an air rapid cycle from this, thereby the external air that is mingled with the bacterium can not get into in the studio yet and prevent cross contamination, and can guarantee the high cleanliness environment of studio.

Preferably, the other end of the air inlet pipe and the other end of the conduit are both bonded with dust filter screens.

Through adopting above-mentioned technical scheme, the dust filter screen is arranged in preventing that external dust from getting into in intake pipe and the pipe.

Preferably, a pressure gauge is fixedly arranged in the middle of the top end of the box body in a penetrating mode, and the bottom end of the pressure gauge is fixedly inserted into the guide pipe.

Through adopting above-mentioned technical scheme, the manometer is arranged in the air pressure of monitoring pipe.

Preferably, the middle parts of one sides of the two passing doors are respectively welded with an inserting block, wherein a v-shaped 21274is movably penetrated in one of the inserting blocks, and the other end of the v-shaped 21274is movably penetrated through the other inserting block.

By adopting the technical scheme, the two ends of the bottom of the v-shaped rod movably penetrate through the two insertion blocks respectively and are matched with the two insertion blocks simultaneously, so that the two passing doors can be fixed.

Preferably, the two ends of the bottom of the box body are fixedly connected with supporting rods, and the supporting rods are matched with each other.

Through adopting above-mentioned technical scheme, two bracing pieces cooperations can support the box.

To sum up, the application comprises the following beneficial technical effects:

through being equipped with first communicating pipe and second communicating pipe, top at first communicating pipe inner chamber is provided with first fan, one end at second communicating pipe inner chamber is provided with first air cleaner, can inhale the inside of air to the pipe and filtered by first air cleaner and then arrange the inside to the studio through first fan, then air in with the studio through the second fan is taken out to the pipe in and is being taken out simultaneously through second communicating pipe, in this process, receive the influence of first fan and second fan suction, the inside air of studio then can not be in quiescent state, form an air rapid cycle simultaneously, reducible air time of taking a breath, weigh the holistic result of use of room and working property and obtain promoting.

Drawings

FIG. 1 is a schematic view of the overall structure of the application embodiment.

FIG. 2 is a schematic side sectional view of an embodiment of the present invention.

FIG. 3 is a schematic structural diagram of a plug block and a v 21274; a shaped rod in the application embodiment.

Description of the reference numerals: 1. a box body; 201. a working chamber; 202. a pass gate; 301. an air inlet pipe; 302. a conduit; 303. a first communication pipe; 304. a second communicating pipe; 305. a first fan; 306. a first air filter; 307. a second fan; 308. a second air filter; 309. a blower; 4. a dust filter screen; 5. a pressure gauge; 601. inserting a block; 602. \ 21274; 603. a support rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a negative pressure weighing room. Referring to fig. 1-3, a negative pressure weighing room, which comprises a box body 1 and a working chamber 201, wherein the working chamber 201 is welded at one end of the inner bottom wall of the box body 1, an opening is formed in the front side of the working chamber 201, two passing doors 202 are hinged at the opening of the front side of the working chamber 201, the two passing doors 202 are closed and matched with each other, the opening of the working chamber 201 can be tightly sealed, an air inlet pipe 301 penetrates through the bottom end of the back side of the box body 1, one end of the air inlet pipe 301 is communicated with a conduit 302, the conduit 302 is located inside the box body 1, one end of the conduit 302 penetrates through the top end of the front side of the box body 1, a first communicating pipe 303 is communicated with the inner top wall of the working chamber 201, a second communicating pipe 304 is communicated with the bottom end of one inner side wall of the working chamber 201, the first communicating pipe 303 and the second communicating pipe 304 are both communicated with the conduit 302, and an air circulation channel can be formed by the cooperation of the air inlet pipe 301, the conduit 302, the first communicating pipe 303 and the second communicating pipe 304;

referring to fig. 2, a first fan 305 and a first air filter 306 are respectively disposed at the top end and the bottom end of an inner cavity of a first connection pipe 303, an outer surface of the first fan 305 and an outer surface of the first air filter 306 are both welded to an inner wall of the first connection pipe 303, the first fan 305 can suck air inside the pipe 302 into the first connection pipe 303, purify and filter the air by the first air filter 306, and then discharge the air into the working chamber 201, a second fan 307 and a second air filter 308 are respectively disposed at both ends of an inner cavity of a second connection pipe 304, an outer surface of the first fan 305 and an outer surface of the first air filter 306 are both welded to an inner wall of the second connection pipe 304, the second fan 307 can suck air inside the working chamber 201 through the second connection pipe 304, the second air filter 308 can purify air flowing in the working chamber 201 again, and simultaneously prevent unpurified air outside from entering the working chamber through the second connection pipe 304, a blower 309 is disposed at one end of the inner cavity of the pipe 302, both sides of the blower 309 are respectively welded to two inner walls of the pipe 302, and the blower 309 can suck outside air into the pipe 201 through the air inlet pipe 301 to the pipe 302.

Referring to fig. 1 and 2, dust filters 4 are bonded to the other end of the air inlet pipe 301 and the other end of the duct 302, and the two dust filters 4 cooperate to prevent dust in the outside air from entering the air inlet pipe 301 and the duct 302.

Referring to fig. 1 and 2, a pressure gauge 5 is fixedly arranged in the middle of the top end of the box body 1 in a penetrating manner, the bottom end of the pressure gauge 5 is fixedly inserted in the guide pipe 302, and the pressure gauge 5 can be used for monitoring the pressure of air flowing in the guide pipe 302.

Referring to fig. 1 and 3, the middle parts of one sides of the two access doors 202 are welded with the insertion blocks 601, wherein one insertion block 601 movably penetrates through the inner part of the one insertion block 601, the shape rods 602 and 21274, the other end of the shape rod 602 movably penetrates through the other insertion block 601, and under the cooperation of the shape rods 602 and the two insertion blocks 601, the two access doors 202 which are matched to seal the opening of the working chamber 201 can be fixed.

Referring to fig. 1, the two ends of the bottom of the box body 1 are fixedly connected with supporting rods 603, the two supporting rods 603 are arranged in a matched manner, and the two supporting rods 603 are matched to support the box body 1.

The implementation principle of the negative pressure weighing chamber in the embodiment of the application is as follows:

when the air conditioner works, the blower 309, the first fan 305 and the second fan 307 are started, the blower 309 sucks air outside the box body 1 into the duct 302 through the air inlet pipe 301, the air is conveyed by the duct 302, when part of air in the duct 302 flows to the upper part of the first communication pipe 303, the first fan 305 sucks the air into the duct 302, the air is filtered by the first air filter 306 and then discharged into the working chamber 201, negative pressure is generated inside the working chamber 201, the second fan 307 sucks the air in the working chamber 201 into the duct 302 through the second communication pipe 304 and is filtered by the second air filter 308 in the sucking process, and therefore a quick air circulation is formed, the working chamber 201 can be quickly ventilated, air with bacteria is not introduced into the working chamber 201 from the outside, cross contamination inside the working chamber 201 is prevented, and a high-cleanliness environment of the working chamber 201 can be ensured.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A negative-pressure weighing room comprises a box body (1) and a working room (201), and is characterized in that the working room (201) is welded at one end of the inner bottom wall of the box body (1), an opening is formed in the front side of the working room (201), two passing doors (202) are hinged at the opening of the front side of the working room (201), an air inlet pipe (301) penetrates through the bottom end of the back side of the box body (1), one end of the air inlet pipe (301) is communicated with a guide pipe (302), the guide pipe (302) is located inside the box body (1), one end of the guide pipe (302) fixedly penetrates through the top end of the front side of the box body (1), a first communicating pipe (303) is communicated with the inner top wall of the working room (201), a second communicating pipe (304) is communicated with the bottom end of one inner side wall of the working room (201), and the first communicating pipe (303) and the second communicating pipe (304) are both communicated with the guide pipe (302);

the utility model discloses a pipe (302) air cleaner, including first communicating pipe (303), second communicating pipe (304), first fan (305) and first air cleaner (306) are provided with respectively to the top and the bottom of first communicating pipe (303) inner chamber, the surface of first fan (305) and the surface of first air cleaner (306) all with first communicating pipe (303) inner wall welding, the both ends of second communicating pipe (304) inner chamber are provided with second fan (307) and second air cleaner (308) respectively, the surface of first fan (305) and the surface of first air cleaner (306) all with second communicating pipe (304) inner wall welding, the one end of pipe (302) inner chamber is provided with air-blower (309), air-blower (309) both sides respectively with pipe (302) wherein two inner wall welding.

2. A negative pressure weighing chamber according to claim 1, wherein: and a dust filter screen (4) is bonded to the other end of the air inlet pipe (301) and the other end of the conduit (302).

3. A negative pressure weighing chamber according to claim 1, wherein: the middle part of the top end of the box body (1) is fixedly penetrated with a pressure gauge (5), and the bottom end of the pressure gauge (5) is fixedly inserted in the guide pipe (302).

4. A negative pressure weighing chamber according to claim 1, wherein: the middle parts of one sides of the two passing doors (202) are respectively welded with an inserting block (601), wherein one inserting block (601) movably penetrates through a v-shaped rod (602), and the other end of the v-shaped rod (602) movably penetrates through the other inserting block (601).

5. A negative pressure weighing chamber according to claim 1, wherein: the two ends of the bottom of the box body (1) are fixedly connected with supporting rods (603), and the two supporting rods (603) are matched.