CN220819190U - Negative pressure weighing cover with inner layer protection structure - Google Patents
Negative pressure weighing cover with inner layer protection structure Download PDFInfo
- Publication number
- CN220819190U CN220819190U CN202322461744.0U CN202322461744U CN220819190U CN 220819190 U CN220819190 U CN 220819190U CN 202322461744 U CN202322461744 U CN 202322461744U CN 220819190 U CN220819190 U CN 220819190U
- Authority
- CN
- China
- Prior art keywords
- box body
- negative pressure
- protection structure
- inner layer
- layer protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005303 weighing Methods 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000010009 beating Methods 0.000 claims abstract description 17
- 239000000428 dust Substances 0.000 claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 239000012528 membrane Substances 0.000 claims abstract description 5
- 238000009423 ventilation Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 30
- 238000005192 partition Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 11
- 239000010813 municipal solid waste Substances 0.000 abstract description 2
- 239000002893 slag Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000012864 cross contamination Methods 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010405 clearance mechanism Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model belongs to the field of negative pressure weighing hoods, in particular to a negative pressure weighing hood with an inner layer protection structure, which comprises a box body, wherein a baffle plate is fixedly arranged in the box body, one side of the baffle plate is provided with a flow equalizing membrane, an air inlet is formed in one side of the box body and is positioned above the flow equalizing membrane, a plurality of ventilation holes are formed in the baffle plate, a filter screen is fixedly arranged on the other side of the baffle plate, a dust suction mechanism is arranged on the inner wall of the other side of the box body, a rotating shaft is rotatably arranged on the inner walls of the front side and the rear side of the box body above the filter screen, a beating mechanism is arranged between the rotating shaft and the filter screen, and a trash discharging hole is formed in the inner wall of the other side of the box body. The utility model has reasonable design, can beat and clean the filter screen by the rotation of the beating ball, and can discharge the cleaned material from the slag discharging hole by the rotation of the brush plate, thereby realizing the purpose of cleaning the filter screen.
Description
Technical Field
The utility model relates to the technical field of negative pressure weighing hoods, in particular to a negative pressure weighing hood with an inner layer protection structure.
Background
The weighing cover is an open room special for places such as pharmacy, microbiological research, scientific experiments and the like and is used for weighing and split charging dust and reagents. After the traditional weighing room adopts the clean treatment of a common room, the traditional weighing room is used as the weighing room, has no corresponding air purification treatment system and no protection matching device, is difficult to control dust and reagent overflow, raise and pollute, and is easy for workers to inhale dust and reagent to form harm to human health.
At present, a negative pressure weighing cover with inlayer protective structure is announced to chinese patent with publication No. CN216116338U, the intelligent weighing device comprises a box body, the division gate is installed to the right-hand member face of box, fixedly connected with baffle between interior top lateral wall and the interior bottom lateral wall of box, the air intake has been seted up to the right-hand member face of box and the top that lies in the division gate, a plurality of ventilation holes have been seted up to the left end face below of baffle, fixedly connected with filter screen between the interior left side wall of baffle and box, the filter screen top is equipped with the active carbon filter, the active carbon filter top is equipped with the fan, and the fan during operation, the air intake constantly absorbs the air in the external world as the replenishment, so the pressure in the workspace is little negative pressure relatively outside to avoided weighing the cross contamination between the leakage of in-process material and the medicine, kept the inside clean of workspace, but its intake's size is adjusted through first motor simultaneously, adapts to the requirement of weighing of different articles.
In actual use, the filter screen is found to be easy to clean in dust accumulation in the use process, and the filter screen is located in the box body, so that the cleaning is troublesome, and the negative pressure weighing cover with the inner layer protection structure is provided for solving the problems.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides a negative pressure weighing cover with an inner layer protection structure.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The negative pressure weighing cover with the inner layer protection structure comprises a box body, wherein a baffle plate is fixedly arranged in the box body, one side of the baffle plate is provided with a flow equalizing film, one side of the box body is provided with an air inlet, and the air inlet is positioned above the flow equalizing film;
The other side of the partition board is fixedly provided with a filter screen, the inner wall of the other side of the box body is provided with a dust collection mechanism, and the dust collection mechanism and the upper part of the filter screen are arranged on the inner wall of the other side of the box body;
The rotary shafts are rotatably arranged on the inner walls of the front side and the rear side of the box body, a beating mechanism is arranged between the rotary shafts and the filter screen, and a trash discharging hole is formed in the inner wall of the other side of the box body.
Preferably, the beating mechanism comprises a rotating tube, a containing rod, a fixing spring and a beating ball, wherein the rotating tube is fixedly arranged on the rotating shaft, the containing rod is slidably arranged in the rotating tube, the fixing spring is arranged between the containing rod and the rotating tube, and the beating ball is fixedly arranged at one end of the containing rod.
Preferably, two transmission shafts are rotatably arranged on the inner walls of the front side and the rear side of the box body, and conveying mechanisms are arranged on the two transmission shafts.
Preferably, two driving rollers are fixedly arranged on the transmission shaft, the same driving belt is sleeved on the two driving rollers, and a cleaning mechanism is arranged on the two driving belts.
Preferably, the cleaning mechanism comprises a fixing plate, a guide hole, T-shaped rods and a brush plate, wherein the fixing plate is fixedly arranged at the bottoms of the two driving belts, the guide hole is formed in the fixing plate, the T-shaped rods are slidably arranged in the guide holes, and the brush plate is fixedly arranged at the bottom ends of the T-shaped rods.
Preferably, the top of the brush plate is fixedly provided with a compression spring, and the top of the compression spring is fixedly arranged on the fixed plate.
Preferably, a driving motor is fixedly arranged on the front side of the box body, an output shaft of the driving motor is fixedly connected with a corresponding rotating shaft, and a transmission mechanism is arranged between the rotating shaft and the transmission shaft.
Preferably, the transmission mechanism comprises a belt wheel and a belt, the belt wheel is fixedly arranged on the rotating shaft and the transmission shaft, and the belt transmission is sleeved on the two belt wheels.
The utility model has the beneficial effects that:
1. The negative pressure weighing cover can absorb materials in the weighing process through the dust collection mechanism, and the powder can be filtered through the filter screen, so that the leakage of the materials and the cross contamination between medicines in the weighing process are avoided, and the inside of a working area is kept clean;
2. Through starting the driving motor, the driving motor can drive the rotating shaft to rotate, the rotating shaft can drive the rotating pipe to rotate, the rotating pipe drives the striking ball to rotate through the storage rod, the filter screen can be struck through the rotation of the striking ball, and the filter screen can be cleaned;
3. Under the cooperation of band pulley and belt, the axis of rotation can drive the transmission shaft and rotate, and the transmission shaft drives drive belt and fixed plate through the drive roller and rotates, and the fixed plate drives the brush board through T shape pole and rotates, and the right side left side clearance of bottom half can be to the brush board this moment to can discharge the material from the sediment hole, thereby realize the purpose of clearing up the filter screen.
Drawings
FIG. 1 is a schematic perspective view of a negative pressure weighing cover with an inner layer protection structure according to the present utility model;
FIG. 2 is a schematic diagram of a front view of a negative pressure weighing hood with an inner layer protection structure according to the present utility model;
FIG. 3 is a schematic view of a portion A of a negative pressure weighing cover with an inner layer protection structure according to the present utility model;
FIG. 4 is a schematic diagram of a portion B of a negative pressure weighing cover with an inner layer protection structure according to the present utility model;
Fig. 5 is a schematic rear view of a negative pressure weighing cover with an inner layer protection structure according to the present utility model.
In the figure: 1. a case; 2. a partition plate; 3. a flow equalizing membrane; 4. an air inlet; 5. a vent hole; 6. a filter screen; 7. a dust collection mechanism; 8. a impurity removing hole; 9. a rotating shaft; 10. a rotary tube; 11. a storage rod; 12. a fixed spring; 13. striking a ball; 14. a transmission shaft; 15. a driving roller; 16. a drive belt; 17. a fixing plate; 18. a guide hole; 19. a T-bar; 20. a brush plate; 21. a compression spring; 22. a belt wheel; 23. a belt; 24. and driving the motor.
Detailed Description
The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present, the term "disposed" indicating a manner of presence and may be connected, mounted, fixedly connected, operatively connected, or the like. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-5, a negative pressure weighing cover with inner layer protective structure comprises a box body 1, a partition plate 2 is fixedly installed in the box body 1, a flow equalizing film 3 is arranged on one side of the partition plate 2, an air inlet 4 is formed in one side of the box body 1, the air inlet 4 is located above the flow equalizing film 3, a plurality of ventilation holes 5 are formed in the partition plate 2, a filter screen 6 is fixedly installed on the other side of the partition plate 2, a dust collection mechanism 7 is installed on the inner wall of the other side of the box body 1, and above the dust collection mechanism 7 and the filter screen 6, a rotating shaft 9 is rotatably installed on the inner walls of the front side and the rear side of the box body 1, a beating mechanism is arranged between the rotating shaft 9 and the filter screen 6, a impurity discharging hole 8 is formed in the inner wall of the other side of the box body 1, materials can be absorbed in the weighing process of the negative pressure weighing cover through the dust collection mechanism 7, cross contamination between materials and medicines in the weighing process is avoided, and the inside of a working area is kept clean.
In this embodiment, the beating mechanism includes rotation tube 10, accomodate pole 11, fixed spring 12 and beating ball 13, and rotation tube 10 fixed mounting is on axis of rotation 9, accomodates pole 11 slidable mounting in rotation tube 10, accomodates and installs fixed spring 12 between pole 11 and the rotation tube 10, accomodates the one end fixed mounting of pole 11 and beats ball 13, through the rotation that is provided with beating ball 13, can realize beating filter screen 6 to the purpose of clearance is carried out filter screen 6.
In this embodiment, two transmission shafts 14 are rotatably mounted on the inner walls of the front side and the rear side of the box body 1, a conveying mechanism is arranged on the two transmission shafts 14, two driving rollers 15 are fixedly mounted on the transmission shafts 14, the same driving belt 16 is sleeved on the two driving rollers 15, and a cleaning mechanism is arranged on the two driving belts 16. By being provided with the drive belt 16, the drive belt 16 can drive the cleaning mechanism to move.
In this embodiment, clearance mechanism includes fixed plate 17, guiding hole 18, T shape pole 19 and brush board 20, fixed plate 17 fixed mounting is on the bottom of two drive belts, guiding hole 18 is seted up on fixed plate 17, T shape pole 19 slidable mounting is in guiding hole 18, and brush board 20 fixed mounting is on the bottom of a plurality of T shape poles 19, the top fixed mounting of brush board 20 has compression spring 21, and compression spring 21's top fixed mounting is on fixed plate 17, through the rotation of brush board 20, make brush board 20 can clear up the right side left side of box 1 bottom, thereby can discharge the material from the sediment hole, thereby realize the purpose of clearing up filter screen 6.
In this embodiment, a driving motor 24 is fixedly installed on the front side of the box body 1, an output shaft of the driving motor 24 is fixedly connected with a corresponding rotating shaft 9, a transmission mechanism is arranged between the rotating shaft 9 and the transmission shaft 14, the transmission mechanism comprises a belt wheel 22 and a belt 23, the belt wheel 22 is fixedly installed on the rotating shaft 9 and the transmission shaft 14, the belt 23 is in transmission sleeve connection with the two belt wheels 22, the rotating shaft 9 can drive the transmission shaft 14 to rotate under the cooperation of the belt wheel 22 and the belt 23, and the transmission shaft 14 drives the driving belt 16 and the fixing plate 17 to rotate through the driving roller 15.
According to the utility model, the negative pressure weighing cover can absorb materials in the weighing process through the dust suction mechanism 7, the powder can be filtered through the filter screen 6, cross contamination between leakage of the materials and medicines in the weighing process is avoided, the inside of a working area is kept clean, the driving motor 24 is started to drive the rotating shaft 9 to rotate, the rotating shaft 9 can drive the rotating tube 10 to rotate, the rotating tube 10 drives the beating ball 13 to rotate through the storage rod 11, the filter screen 6 can be beaten through rotation of the beating ball 13, the filter screen 6 can be cleaned, the transmission shaft 14 can be driven to rotate through the driving belt 16 and the fixing plate 17 by the cooperation of the belt pulley 22 and the belt 23, the fixing plate 17 drives the brush plate 20 to rotate through the T-shaped rod 19, and at the moment, the brush plate 20 can clean the right side of the bottom of the box body 1 to the left side, so that the materials can be discharged from the slag discharge hole, and the filter screen 6 can be cleaned.
The negative pressure weighing cover with the inner layer protection structure provided by the utility model is described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (8)
1. The negative pressure weighing cover with the inner layer protection structure is characterized by comprising a box body (1), wherein a partition plate (2) is fixedly arranged in the box body (1), one side of the partition plate (2) is provided with a flow equalizing membrane (3), one side of the box body (1) is provided with an air inlet (4), and the air inlet (4) is positioned above the flow equalizing membrane (3);
A plurality of ventilation holes (5) are formed in the partition board (2), a filter screen (6) is fixedly arranged on the other side of the partition board (2), a dust collection mechanism (7) is arranged on the inner wall of the other side of the box body (1), and the dust collection mechanism (7) and the upper part of the filter screen (6) are arranged on the inner wall of the other side of the box body;
The novel box is characterized in that rotating shafts (9) are rotatably arranged on the inner walls of the front side and the rear side of the box body (1), a beating mechanism is arranged between the rotating shafts (9) and the filter screen (6), and impurity discharging holes (8) are formed in the inner wall of the other side of the box body (1).
2. The negative pressure weighing cover with the inner layer protection structure according to claim 1, characterized in that the beating mechanism comprises a rotating tube (10), a storage rod (11), a fixed spring (12) and a beating ball (13), wherein the rotating tube (10) is fixedly installed on a rotating shaft (9), the storage rod (11) is slidably installed in the rotating tube (10), the fixed spring (12) is installed between the storage rod (11) and the rotating tube (10), and the beating ball (13) is fixedly installed at one end of the storage rod (11).
3. The negative pressure weighing cover with the inner layer protection structure according to claim 1, wherein two transmission shafts (14) are rotatably installed on the inner walls of the front side and the rear side of the box body (1), and a conveying mechanism is arranged on the two transmission shafts (14).
4. A negative pressure weighing cover with an inner layer protection structure according to claim 3, characterized in that two driving rollers (15) are fixedly arranged on the transmission shaft (14), the same driving belt (16) is sleeved on the two driving rollers (15), and a cleaning mechanism is arranged on the two driving belts (16).
5. The negative pressure weighing cover with the inner layer protection structure according to claim 4, wherein the cleaning mechanism comprises a fixed plate (17), a guide hole (18), a T-shaped rod (19) and a brush plate (20), the fixed plate (17) is fixedly installed on the bottoms of the two driving belts (16), the guide hole (18) is formed in the fixed plate (17), the T-shaped rod (19) is slidably installed in the guide hole (18), and the brush plate (20) is fixedly installed on the bottom ends of the T-shaped rods (19).
6. The negative pressure weighing cover with the inner layer protection structure according to claim 5, wherein a compression spring (21) is fixedly installed at the top of the brush plate (20), and the top of the compression spring (21) is fixedly installed on the fixing plate (17).
7. The negative pressure weighing cover with the inner layer protection structure according to claim 1, wherein a driving motor (24) is fixedly installed on the front side of the box body (1), an output shaft of the driving motor (24) is fixedly connected with a corresponding rotating shaft (9), and a transmission mechanism is arranged between the rotating shaft (9) and the transmission shaft (14).
8. Negative pressure weighing cover with inner layer protection structure according to claim 7, characterized in that the transmission mechanism comprises a belt wheel (22) and a belt (23), the belt wheel (22) is fixedly arranged on the rotating shaft (9) and the transmission shaft (14), and the belt (23) is in transmission sleeve on the two belt wheels (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322461744.0U CN220819190U (en) | 2023-09-12 | 2023-09-12 | Negative pressure weighing cover with inner layer protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322461744.0U CN220819190U (en) | 2023-09-12 | 2023-09-12 | Negative pressure weighing cover with inner layer protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220819190U true CN220819190U (en) | 2024-04-19 |
Family
ID=90678675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322461744.0U Active CN220819190U (en) | 2023-09-12 | 2023-09-12 | Negative pressure weighing cover with inner layer protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220819190U (en) |
-
2023
- 2023-09-12 CN CN202322461744.0U patent/CN220819190U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |