CN220649762U - Wind-proof interference device for balance - Google Patents
Wind-proof interference device for balance Download PDFInfo
- Publication number
- CN220649762U CN220649762U CN202322323751.4U CN202322323751U CN220649762U CN 220649762 U CN220649762 U CN 220649762U CN 202322323751 U CN202322323751 U CN 202322323751U CN 220649762 U CN220649762 U CN 220649762U
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- China
- Prior art keywords
- protective cover
- base
- balance
- prevention device
- interference prevention
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- 230000001681 protective effect Effects 0.000 claims abstract description 67
- 230000002265 prevention Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 abstract description 13
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000005303 weighing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000003814 drug Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of scale precise measurement anti-interference, and particularly relates to a scale wind-interference prevention device, which comprises a base, wherein a lower protective cover is fixedly connected onto the base, an upper protective cover corresponding to the lower protective cover is connected onto the base through a vertical linear guide assembly, a lifting driving assembly is connected onto the upper protective cover, and the lifting driving assembly is used for driving the upper protective cover to move up and down. According to the balance wind interference prevention device, the upper protective cover is vertically lifted, so that the whole balance tray is exposed, and materials are more convenient to take and place.
Description
Technical Field
The utility model relates to a balance wind interference prevention device, and belongs to the technical field of balance precise measurement interference prevention.
Background
In the medicine production industry, a balance is often required to be adopted for carrying out weighing operation on medicines, and due to high accuracy requirement, a special protective cover is usually arranged for the balance so as to prevent the influence of air flow generated by natural wind, air conditioning wind, personnel walking and the like on weighing results.
The existing balance protective covers are various, for example, chinese utility model patent with patent number of CN201920819456.9 discloses a wind shield of a precision balance; the Chinese patent No. CN201922094197.0 discloses a windshield device applied to a high-precision electronic balance. The cover door of the balance protective cover in the prior art is usually arranged at one side, and if the cover door is arranged smaller, materials are easy to collide with the door frame in the process of taking and placing, so that the materials are scattered; if the cover door is arranged to be larger, the cover door occupies larger external space in the opening process, interference is easy to occur between the cover door and a measurer or other objects prevented on the table, and the cover door is inconvenient to open and close. Thereby influencing the convenience of taking and placing materials.
Disclosure of Invention
According to the defects in the prior art, the technical problems to be solved by the utility model are as follows: the balance windproof interference device is convenient for taking and placing materials.
The utility model relates to a balance wind interference prevention device, which comprises a base, wherein a lower protective cover is fixedly connected to the base, an upper protective cover corresponding to the lower protective cover is connected to the base through a vertical linear guide assembly, and a lifting driving assembly is connected to the upper protective cover and used for driving the upper protective cover to move up and down.
Working principle and process:
when the balance is in use, the upper protective cover is driven to move up and down through the lifting driving component, so that the upper protective cover and the lower protective cover are closed and opened, the vertical linear guide component is used for guiding the upper protective cover, so that the upper protective cover and the lower protective cover are more tightly matched, when the upper protective cover is in an opened state, the balance can be placed on the base, materials are placed on the balance, weighing data are recorded when the upper protective cover is in a closed state, and the balance is sealed by the upper protective cover and the lower protective cover, so that the windproof effect is better, and the weighing data are more accurate; and in addition, the whole exposure of the balance tray can be realized when materials are taken and placed, and the materials are more convenient to take and place.
Preferably, the vertical linear guide assembly comprises a plurality of guide rods fixed on the base, an upper stage is arranged at the lower end of the upper protective cover, upper through holes corresponding to the guide rods one by one are formed in the upper stage in a penetrating mode, and the upper protective cover is moved in a directional mode through the cooperation of the upper through holes and the guide rods, and is simple in structure and stable in operation.
Preferably, the upper end of the lower protective cover is provided with a lower step, the lower step is penetrated with lower through holes corresponding to the guide rods one by one, the lower step is embedded with a sealing gasket corresponding to the upper step, and the sealing gasket can improve the sealing effect between the upper protective cover and the lower protective cover.
Preferably, a top frame is connected between the upper ends of the guide rods, a frame opening corresponding to the upper protective cover is arranged on the top frame, the top frame is favorable for improving the stability of the guide rods, and meanwhile, the arrangement of the frame opening does not prevent the upper protective cover from moving upwards.
Preferably, the lifting driving assembly comprises a rack fixed on the upper protective cover and a mounting seat fixed on the top frame, wherein the mounting seat is rotationally connected with a driving shaft, one end of the driving shaft is connected with a gear meshed with the rack, the other end of the driving shaft is connected with a rope pulley, a rope is wound on the rope pulley, the rope pulley is driven to rotate by pulling the rope pulley, the gear is driven to rotate by the driving shaft, the rack is driven to drive the upper protective cover to move upwards, the rope pulley is driven to move downwards by slowly loosening the rope pulley under the dead weight of the upper protective cover, and the rope pulley is similarly wound on the rope pulley.
Preferably, the pull rope is fixedly connected with a pull ring, the base is fixedly connected with a hook corresponding to the pull ring, and after the upper protective cover is opened, hands can be liberated by hooking the pull ring on the hook.
Compared with the prior art, the utility model has the following beneficial effects:
according to the balance wind interference prevention device, the upper protective cover is vertically lifted, so that the whole balance tray is exposed, and materials are more convenient to take and place.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a right side view of the present utility model;
FIG. 3 is a cross-sectional view at A-A in FIG. 2;
fig. 4 is a schematic view of the structure of the upper shield cover in the opened state of the present utility model.
In the figure: 1. a hook; 2. a base; 3. a guide rod; 4. a lower protective cover; 5. a lower stage; 6. an upper stage; 7. a sealing gasket; 8. a rack; 9. an upper protective cover; 10. a pull ring; 11. a pull rope; 12. a rope pulley; 13. a drive shaft; 14. a mounting base; 15. a gear; 16. a top frame; 17. and (5) a frame opening.
Detailed Description
Embodiments of the utility model are further described below with reference to the accompanying drawings:
example 1:
as shown in fig. 1 to 3, the wind interference prevention device for the balance comprises a base 2, wherein a lower protective cover 4 is fixedly connected to the base 2, an upper protective cover 9 corresponding to the lower protective cover 4 is connected to the base 2 through a vertical linear guide assembly, a lifting driving assembly is connected to the upper protective cover 9, and the lifting driving assembly is used for driving the upper protective cover 9 to move up and down.
Working principle and process:
when the balance is in use, the upper protective cover 9 is driven to move up and down through the lifting driving component, so that the upper protective cover 9 and the lower protective cover 4 are closed and opened, the vertical linear guide component is used for guiding the upper protective cover 9, so that the upper protective cover 9 and the lower protective cover 4 are more tightly matched, when the upper protective cover 9 is in an opened state, a balance can be placed on the base 2, materials are placed on the balance, weighing data are recorded when the upper protective cover 9 is in a closed state, and the balance is sealed due to the fact that the upper protective cover 9 and the lower protective cover 4 have better windproof effect, and the weighing data are more accurate; and in addition, the whole exposure of the balance tray can be realized when materials are taken and placed, and the materials are more convenient to take and place.
Compared with the prior art, the utility model has the following beneficial effects:
according to the balance wind interference prevention device, the upper protective cover 9 is vertically lifted, so that the whole balance tray is exposed, and materials are more convenient to take and place.
Example 2:
as shown in fig. 1 to 4, on the basis of embodiment 1,
preferably, the vertical linear guide assembly comprises a plurality of guide rods 3 fixed on the base 2, the lower end of the upper protective cover 9 is provided with an upper stage 6, upper through holes corresponding to the guide rods 3 one by one are penetrated through the upper stage 6, and the upper protective cover 9 is directionally moved through the cooperation of the upper through holes and the guide rods 3, so that the structure is simple and the operation is stable;
preferably, the upper end of the lower protective cover 4 is provided with a lower step 5, the lower step 5 is penetrated with lower through holes corresponding to the guide rods 3 one by one, the lower step 5 is embedded with a sealing gasket 7 corresponding to the upper step 6, and the sealing gasket 7 can improve the sealing effect between the upper protective cover 9 and the lower protective cover 4;
preferably, a top frame 16 is connected between the upper ends of the guide rods 3, and a frame opening 17 corresponding to the upper protective cover 9 is arranged on the top frame 16, so that the top frame 16 is beneficial to improving the stability of the guide rods 3, and meanwhile, the arrangement of the frame opening 17 does not prevent the upward movement of the upper protective cover 9;
preferably, the lifting driving assembly comprises a rack 8 fixed on the upper protective cover 9 and a mounting seat 14 fixed on the top frame 16, a driving shaft 13 is rotatably connected to the mounting seat 14, one end of the driving shaft 13 is connected with a gear 15 meshed with the rack 8, the other end of the driving shaft 13 is connected with a rope pulley 12, a pull rope 11 is wound on the rope pulley 12, the rope pulley 12 is driven to rotate by pulling the pull rope 11, the gear 15 is driven to rotate by the driving shaft 13, the rack 8 is driven to move upwards by driving the upper protective cover 9, the rack 8 is driven to move downwards under the dead weight by slowly loosening the pull rope 11, and the pull rope 11 is similarly received on the rope pulley 12;
preferably, the pull ring 10 is fixedly connected to the pull rope 11, the hook 1 corresponding to the pull ring 10 is fixedly connected to the base 2, and after the upper protective cover 9 is opened, both hands can be liberated by hooking the pull ring 10 to the hook 1.
Claims (6)
1. A balance wind interference prevention device, characterized in that: including base (2), fixedly connected with lower protection casing (4) on base (2), be connected with on base (2) through vertical sharp direction subassembly with lower protection casing (4) corresponding last protection casing (9), be connected with lift drive assembly on last protection casing (9), lift drive assembly is used for driving the upward and downward movement of protection casing (9).
2. The balance wind interference prevention device of claim 1, wherein: the vertical straight line direction subassembly include a plurality of guide bars (3) of fixing on base (2), the lower extreme of last protection casing (9) is equipped with upper step (6), runs through on upper step (6) have with guide bar (3) one-to-one go up the through-hole.
3. The balance wind interference prevention device of claim 2, wherein: the upper end of the lower protective cover (4) is provided with a lower step (5), lower through holes corresponding to the guide rods (3) one by one are penetrated through the lower step (5), and sealing gaskets (7) corresponding to the upper step (6) are embedded on the lower step (5).
4. The balance wind interference prevention device of claim 2, wherein: a top frame (16) is connected between the upper ends of the guide rods (3), and a frame opening (17) corresponding to the upper protective cover (9) is arranged on the top frame (16).
5. The balance wind interference prevention device of claim 4, wherein: the lifting driving assembly comprises a rack (8) fixed on the upper protective cover (9) and a mounting seat (14) fixed on the top frame (16), a driving shaft (13) is rotatably connected to the mounting seat (14), one end of the driving shaft (13) is connected with a gear (15) meshed with the rack (8), the other end of the driving shaft (13) is connected with a rope pulley (12), and a pull rope (11) is wound on the rope pulley (12).
6. The balance wind interference prevention device of claim 5, wherein: the pull rope (11) is fixedly connected with a pull ring (10), and the base (2) is fixedly connected with a hook (1) corresponding to the pull ring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322323751.4U CN220649762U (en) | 2023-08-28 | 2023-08-28 | Wind-proof interference device for balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322323751.4U CN220649762U (en) | 2023-08-28 | 2023-08-28 | Wind-proof interference device for balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220649762U true CN220649762U (en) | 2024-03-22 |
Family
ID=90295686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322323751.4U Active CN220649762U (en) | 2023-08-28 | 2023-08-28 | Wind-proof interference device for balance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220649762U (en) |
-
2023
- 2023-08-28 CN CN202322323751.4U patent/CN220649762U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |