Weighing device

Abstract

The utility model discloses a weighing device, which relates to the field of weighing devices and comprises an electronic scale used for weighing pesticide, a storage box is arranged at the top end of the electronic scale, a detachable cover plate is arranged at the top end of the storage box, a disc is arranged at the top of the cover plate, and a sealing gasket contacted with the top end of the cover plate is fixedly arranged at the bottom end of the disc. A detachable gas hood is arranged at the top end of the disc, and a vent hole is formed in the top end of the cover plate. The gas hood is installed on the disc, when the gas hood needs to be detached and replaced, the disc is driven to rotate, the gas hood is moved away from the vent hole, the disc and the sealing gasket rotate to the vent hole while the gas hood is moved away, the top end of the vent hole is sealed, and therefore the gas hood is moved away and the vent hole is sealed synchronously. No gap exists between the air holes, leakage of the air holes in the gap time is avoided, and the sealing effect on the air holes is improved.

Description

Technical Field

[0001] This utility model relates to the field of weighing devices, specifically a weighing device. Background Technology

[0002] Pesticides are essential in agricultural production, playing a role in preventing and controlling pests and diseases. Pesticides are generally chemical agents that are artificially formulated and synthesized. During the production process, various raw materials need to be mixed in proportion, which requires the use of weighing devices.

[0003] During the weighing process in pesticide production, pesticides are highly volatile and most of them are toxic. For safety reasons, existing weighing devices use air hoods to prevent pesticides from evaporating into the air, such as a pesticide production weighing device with publication number CN207360992U.

[0004] To facilitate the replacement of the air cover, the existing technology temporarily blocks the vent by rotating the cover. However, this requires first removing the air cover and then rotating the cover. During the interval between these two steps, the vent cannot be blocked, so the sealing effect of the vent needs to be improved. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a weighing device in which, as the gas hood is removed, the disc and sealing gasket rotate to the vent hole, sealing the top of the vent hole. In this way, the removal of the gas hood and the sealing of the vent hole are carried out simultaneously, eliminating the gap between them and preventing leakage from the vent hole during the gap time. This improves the sealing effect of the vent hole and can effectively solve the problems in the background technology.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a weighing device, including an electronic scale for weighing pesticides, a storage box at the top of the electronic scale, a detachable cover at the top of the storage box, a disc at the top of the cover, and a sealing gasket fixed at the bottom of the disc in contact with the top of the cover.

[0007] The disk is provided with a detachable air cover at the top, and the cover plate is provided with a vent hole at the top. The two ends of the vent hole are respectively connected to the storage box and the inside of the air cover.

[0008] The top of the cover plate is fixedly provided with a mounting bracket, the top of the disc is fixedly provided with a connecting shaft, the top of the connecting shaft extends to the top of the mounting bracket and is fixedly provided with a handle, and the connecting shaft and the mounting bracket are movably connected by a bearing.

[0009] Furthermore, a fastening bolt is threaded onto the top of the mounting bracket, and the bottom end of the fastening bolt contacts the top of the disc to fix the position of the disc.

[0010] Both the top of the cover plate and the top of the disc are marked. When the two marks are aligned, it indicates that the vent is connected to the air hood.

[0011] Furthermore, a feeding pipe is fixedly provided on the rear side of the storage box. The pesticide to be weighed enters the storage box through the feeding pipe. A one-way valve is fixedly provided on the feeding pipe, which prevents the volatile gas from flowing outward along the feeding pipe.

[0012] Furthermore, the storage box has a drawer at the bottom inside, the front end of the drawer extends to the front side of the storage box and is fixedly provided with a front panel, and a handle is fixedly provided on the front panel. After weighing, the drawer and the pesticides stored inside are taken out.

[0013] Furthermore, a reinforcement component is provided on the front side of the storage box. The reinforcement component includes a baffle that blocks the front side of the front panel. Two sliding sleeves are fitted on the baffle, and the sliding sleeves can be detached from the baffle.

[0014] Furthermore, an elastic band is fixedly provided on the rear side of the sliding sleeve. Two elastic bands are located on both sides of the storage box. An end plate is fixedly provided at one end of the elastic band. The end plate is fixedly provided on the corresponding side of the storage box. The elastic band is used to pull the baffle backward, thereby pulling the front panel backward to ensure that the drawer is sealed.

[0015] Compared with the prior art, the present invention provides a weighing device with the following advantages:

[0016] By mounting the air hood on the disc, when the air hood needs to be disassembled or replaced, the disc is rotated, and the air hood is moved away from the vent. At the same time the air hood is moved away, the disc and the sealing gasket rotate to the vent and seal the top of the vent. In this way, the removal of the air hood and the sealing of the vent are carried out simultaneously, and there is no gap between the two, which prevents leakage from the vent during the gap time and improves the sealing effect of the vent.

[0017] When in use, the air cover is located inside the mounting bracket, making disassembly inconvenient. The air cover can only be removed by rotating the disc and moving it out of the mounting bracket. At this time, the vent is also sealed. Therefore, the air cover can only be easily removed after the vent is sealed, thus avoiding inconvenience caused by disassembling the air cover while in use. Attached Figure Description

[0018] Figure 1 This is the front view of the present invention;

[0019] Figure 2 This is a side sectional view of the storage box of this utility model;

[0020] Figure 3 This is a front view of the cover plate of this utility model;

[0021] Figure 4 This is a bottom view of the cover plate of this utility model;

[0022] Figure 5 This is a front view of the reinforcement component of this utility model.

[0023] In the diagram: 1. Electronic scale; 2. Storage box; 3. Reinforcing component; 301. Baffle; 302. Sliding sleeve; 303. Elastic band; 304. End plate; 4. Drawer; 5. Cover plate; 6. Disc; 7. Mounting bracket; 8. Fastening bolt; 9. Feeding pipe; 10. Sealing gasket; 11. Connecting shaft; 12. Handle; 13. Air cover; 14. Vent hole. Detailed Implementation

[0024] To make the technical means, creative features, and achieved objectives and effects of this utility model readily understandable, the present utility model will be further described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0025] like Figure 1-5 As shown, this utility model provides a weighing device, including an electronic scale 1 for weighing pesticides. The electronic scale 1 has a storage box 2 at its top, and the storage box 2 has a detachable cover plate 5 at its top. The cover plate 5 has a disc 6 at its top, and the bottom of the disc 6 is fixedly provided with a sealing gasket 10 that contacts the top of the cover plate 5.

[0026] The disk 6 is provided with a detachable air cover 13 at the top, and the cover plate 5 is provided with a vent hole 14 at the top. The two ends of the vent hole 14 are respectively connected to the storage box 2 and the interior of the air cover 13.

[0027] The top of the cover plate 5 is fixedly provided with a mounting bracket 7, and the top of the disc 6 is fixedly provided with a connecting shaft 11. The top of the connecting shaft 11 extends to the top of the mounting bracket 7 and is fixedly provided with a handle 12. The connecting shaft 11 and the mounting bracket 7 are movably connected by a bearing.

[0028] During the weighing process, the pesticide to be weighed enters the storage tank 2, which is located at the top of the electronic scale 1. Therefore, the electronic scale 1 can weigh the pesticide inside the storage tank 2. The cover plate 5 covers the opening at the top of the storage tank 2 to seal it. During the weighing process, the volatile pesticide enters the air hood 13 through the vent 14. The air hood 13 can effectively prevent the pesticide from evaporating into the air. When the air hood 13 needs to be disassembled and replaced, turn the handle 12, which will drive the connecting shaft 11 and the disc 6 to rotate. The air hood 13 will then move away from the vent 14. As the air hood 13 moves away, the disc 6 and the sealing gasket 10 will rotate. When the air vent 14 is reached, its top is sealed. This allows the removal of the air cover 13 and the sealing of the air vent 14 to be done simultaneously, eliminating any gap between them and preventing leakage during the gap time. This improves the sealing effect of the air vent 14. Furthermore, in the use state, the air cover 13 is located inside the mounting bracket 7, making disassembly inconvenient. Only by rotating the disc 6 and moving the air cover 13 out of the mounting bracket 7 can the air cover 13 be disassembled. At this time, the air vent 14 has also been sealed. Therefore, the air cover 13 can only be easily disassembled after the air vent 14 is sealed, avoiding inconvenience caused by disassembling the air cover 13 in the use state.

[0029] To facilitate fixing the position of disk 6, such as Figure 1 , 2 As shown, a fastening bolt 8 is threadedly installed at the top of the mounting bracket 7, and the bottom end of the fastening bolt 8 contacts the top of the disc 6 to fix the position of the disc 6.

[0030] Both the top of the cover plate 5 and the top of the disc 6 are marked. When the two marks are aligned, it indicates that the vent 14 is in perfect communication with the air cover 13.

[0031] The storage tank 2 is fixedly provided with a feeding pipe 9. The pesticide to be weighed enters the storage tank 2 through the feeding pipe 9. A one-way valve is fixedly provided on the feeding pipe 9. The one-way valve prevents the volatile gas from flowing outward along the feeding pipe 9.

[0032] After the disc 6 rotates, tighten the fastening bolt 8 to fix the disc 6 and restrict its continued rotation. During the rotation of the disc 6, when the mark on the cover plate 5 and the disc 6 are aligned, it means that the air cover 13 is in communication with the vent hole 14.

[0033] The weighed pesticide is located inside drawer 4 for easy removal, such as... Figure 1 , 2 5. The storage box 2 has a drawer 4 at the bottom inside. The front end of the drawer 4 extends to the front side of the storage box 2 and is fixedly provided with a front panel. A handle is fixedly provided on the front panel. After weighing, the drawer 4 and the pesticides stored inside are taken out.

[0034] The storage box 2 is provided with a reinforcement component 3 on the front side. The reinforcement component 3 includes a baffle 301 that blocks the front side of the front panel. Two sliding sleeves 302 are fitted on the baffle 301. The sliding sleeves 302 can be detached from the baffle 301.

[0035] An elastic band 303 is fixedly provided on the rear side of the sliding sleeve 302. The two elastic bands 303 are located on both sides of the storage box 2 respectively. An end plate 304 is fixedly provided at one end of the elastic band 303. The end plate 304 is fixedly provided on the corresponding side of the storage box 2. The elastic force of the elastic band 303 is used to pull the baffle 301 backward, thereby pulling the front panel backward to ensure that the drawer 4 is sealed.

[0036] During weighing, the pesticides entering the storage box 2 fall into the drawer 4. After weighing, the drawer 4 can be removed to pour out the weighed pesticides. A baffle 301 is set on the front side of the drawer 4, and sliding sleeves 302 are fitted on both ends of the baffle 301. The elastic band 303 on the back of the sliding sleeve 302 is tightened, and the elasticity of the elastic band 303 pulls the baffle 301 backward. The baffle 301 then pushes the front panel of the drawer 4 backward, thereby firmly fixing the drawer 4 inside the storage box 2 and achieving a seal on the drawer 4.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A weighing device, comprising an electronic scale (1) for weighing pesticides, wherein a storage box (2) is provided on the top of the electronic scale (1), characterized in that: The top of the storage box (2) is provided with a detachable cover plate (5), the top of the cover plate (5) is provided with a disc (6), and the bottom of the disc (6) is fixedly provided with a sealing gasket (10) in contact with the top of the cover plate (5); A detachable air cover (13) is provided at the top of the disc (6), and an air vent (14) is provided at the top of the cover plate (5), wherein both ends of the air vent (14) are respectively connected to the storage box (2) and the inside of the air cover (13); A mounting frame (7) is fixedly provided at the top of the cover plate (5), a connecting shaft (11) is fixedly provided at the top of the disc (6), the top of the connecting shaft (11) extends to the top of the mounting frame (7) and is fixedly provided with a handle (12), and the connecting shaft (11) is movably connected to the mounting frame (7) via a bearing.

2. A weighing device according to claim 1, characterized in that: A fastening bolt (8) is threadedly mounted on the top of the mounting frame (7), and the bottom end of the fastening bolt (8) is in contact with the top end of the disc (6); The top of the cover plate (5) and the top of the disc (6) are both provided with markings.

3. A weighing device according to claim 1, characterized in that: A feeding pipe (9) is fixedly provided on the rear side of the storage box (2), and a one-way valve is fixedly provided on the feeding pipe (9).

4. A weighing device according to claim 1, characterized in that: A drawer (4) is provided at the bottom of the storage box (2); the front end of the drawer (4) extends to the front side of the storage box (2) and is fixedly provided with a front panel; and a handle is fixedly provided on the front panel.

5. A weighing device according to claim 4, characterized in that: The front side of the storage box (2) is provided with a reinforcement component (3), the reinforcement component (3) comprising a baffle (301) blocking the front side of the front panel, and two sliding sleeves (302) are sleeved on the baffle (301).

6. A weighing device according to claim 5, characterized in that: An elastic band (303) is fixedly provided on the rear side of the sliding sleeve (302), and the two elastic bands (303) are respectively located on both sides of the storage box (2). An end plate (304) is fixedly provided on one end of the elastic band (303), and the end plate (304) is fixedly provided on a corresponding side of the storage box (2).

Images