A rotating windshield for a weighing system

Abstract

The present invention discloses a rotating windshield of a weighing system, aiming to provide a rotating windshield with the advantages of being able to automatically rotate to protect against wind, better weighing, and convenient operation. The key points of the technical solution are that the windshield assembly comprises an inner windshield assembly and an outer windshield assembly, the inner windshield assembly comprises a support block and an inner windshield body, the inner windshield body is in the form of a cylindrical shell as a whole, and has mutually connected discharge ports on the bottom and sides, and the bottom of the inner windshield body is fixedly mounted on a base plate through the support block; the outer windshield assembly comprises a rotating assembly and an outer windshield body, the outer windshield body is in the form of a cylindrical shell as a whole, the bottom surface is completely open, and the side surface is provided with a discharge port that is the same as that of the inner windshield body, the diameter of the outer windshield body is larger than the diameter of the inner windshield body, and the upper end surface of the outer windshield body is connected to a driving mechanism; the rotating assembly is located between the outer windshield body and the base plate, and the outer windshield body can be rotated on the base plate through the driving mechanism.

Description

Technical Field

[0001] The invention relates to the field of weighing systems, and in particular to a rotating windshield of a weighing system. Background Art

[0002] At present, the Chinese patent with publication number CN101675324A discloses a detachable windshield for a weighing device such as an electronic scale, which includes a pair of moving parts arranged on the lower frame of the windshield, and the moving parts move between the inside and the outside of the detachable windshield. The moving part is provided with a coupling part that engages with the back side of the weighing pan bottom plate of the electronic scale. The detachable windshield is placed on the electronic scale while the moving part is pulled out to the outside of the windshield. At this time, both moving parts are pushed in. This makes the coupling part arranged on the moving part engage with the back side of the weighing pan bottom plate on the electronic scale side, and the detachable windshield is integrated with the electronic scale.

[0003] This type of windshield is difficult to disassemble and inconvenient to weigh. Summary of the invention

[0004] The purpose of the present invention is to provide a rotating windshield of a weighing system, which has the advantages of being able to automatically rotate to prevent wind, better weighing, and convenient operation.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions:

[0006] A rotating windshield of a weighing system, comprising a fixing seat, a windshield assembly and a driving mechanism, wherein the fixing seat comprises a top plate and a bottom plate, the top plate and the bottom plate are connected by a connecting plate, the driving mechanism drives the windshield assembly to rotate, and the windshield assembly and the driving mechanism are both located between the top plate and the bottom plate;

[0007] The windshield assembly includes an inner windshield assembly and an outer windshield assembly, the inner windshield assembly includes a support block and an inner windshield body, the inner windshield body is a cylindrical shell as a whole, and has mutually connected discharge ports at the bottom and sides, and the bottom of the inner windshield body is fixedly mounted on the bottom plate through the support block;

[0008] The outer wind shield assembly includes a rotating assembly and an outer wind shield body. The outer wind shield body is a cylindrical shell as a whole, with a completely open bottom surface and a discharge port on the side that is the same as the inner wind shield body. The diameter of the outer wind shield body is larger than the diameter of the inner wind shield body, and the upper end surface of the outer wind shield body is connected to the driving mechanism; the rotating assembly is located between the outer wind shield body and the bottom plate, and the outer wind shield body can rotate on the bottom plate through the driving mechanism.

[0009] By adopting the above technical scheme, a fixed inner wind shield body and a rotating outer wind shield body are used. When the driving mechanism is running, the outer wind shield body rotates so that the discharge port of the inner wind shield body and the discharge port of the outer wind shield are staggered at a certain position. Then the driving mechanism stops rotating and completely blocks the discharge port of the inner wind shield, thereby preventing external airflow from entering the discharge port, thereby realizing automation, simple operation and accurate weighing.

[0010] Preferably: the rotating assembly includes a ball, a slide groove and a connecting block, the connecting block is an annular part body, the upper end face of the connecting block is fixedly connected to the outer windshield body, the ball is embedded in the lower end face of the connecting block, the slide groove is located on the bottom plate, the slide groove track is circular, and the ball slides on the slide groove.

[0011] By adopting the above technical solution, when the driving mechanism is started, the ball slides better along the track of the slide groove.

[0012] Preferably: the driving mechanism includes a motor, a belt, a driving wheel and a driven wheel, one end of the driven wheel is fixed to the top plate ground, and the other end is concentrically fixedly connected to the upper end surface of the outer windshield body, the motor is fixed to the top plate, the motor drives the driving wheel to rotate, and drives the driven wheel to rotate through the belt.

[0013] Preferably, the opening size of the discharge port is one third of the arc surface of the inner windshield cover.

[0014] Preferably, three support blocks are evenly arranged on the lower end surface of the inner wind shield body, and the support blocks are fixedly connected to the base plate by bolts.

[0015] Preferably, a micro switch is provided on the side of the top plate.

[0016] By adopting the above technical solution, the start and stop of the driving mechanism are controlled by the micro-switch, making the operation more convenient.

[0017] Preferably, an annular sealing gasket is also provided on the lower surface of the bottom plate.

[0018] By adopting the above technical solution, the provision of a sealing gasket can improve the sealing performance between the bottom plate and the machine.

[0019] In summary, the present invention has the following beneficial effects:

[0020] It has the advantages of being able to automatically rotate to prevent wind, better weighing, and easy operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure;

[0022] Figure 2 It is a schematic diagram of the internal cross-sectional structure;

[0023] Figure 3 yes Figure 2 Enlarged view of the structure of part A in the middle.

[0024] In the figure, 1, fixed seat; 11, top plate; 12, bottom plate; 13, connecting plate;

[0025] 2. Windproof components;

[0026] 21. Inner windshield assembly; 211. Support block; 212. Inner windshield body;

[0027] 22. outer wind shield assembly; 221. rotating assembly; 2211. ball bearing; 2212. slideway; 2213. connecting block;

[0028] 222, outer windshield body;

[0029] 3. Driving mechanism; 31. Motor; 32. Belt; 33. Driving wheel; 34. Driven wheel;

[0030] 4. Discharge port; 5. Micro-control switch; 6. Sealing gasket. DETAILED DESCRIPTION

[0031] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0032] Embodiment 1: A rotating windshield of a weighing system, such as Figure 1 , Figure 2 and Figure 3 As shown, it includes a fixed base 1, a windproof component 2 and a driving mechanism 3, the fixed base 1 includes a top plate 11 and a bottom plate 12, the top plate 11 and the bottom plate 12 are connected by a connecting plate 13, the driving mechanism 3 drives the windproof component 2 to rotate, and the windproof component 2 and the driving mechanism 3 are both located between the top plate 11 and the bottom plate 12.

[0033] The windproof component 2 includes an inner windproof cover component 21 and an outer windproof cover component 22. The inner windproof cover component 21 includes a support block 211 and an inner windproof cover body 212. The inner windproof cover body 212 is a cylindrical shell as a whole, and has discharge ports 4 that are interconnected at the bottom and sides. The bottom of the inner windproof cover body 212 is fixedly mounted on the base plate 12 by the support block 211.

[0034] The outer wind shield assembly 22 includes a rotating assembly 221 and an outer wind shield body 222. The outer wind shield body 222 is a cylindrical shell as a whole, with a completely open bottom surface and a discharge port 4 on the side that is the same as the inner wind shield body 212. The diameter of the outer wind shield body 222 is larger than the diameter of the inner wind shield body 212, and the upper end surface of the outer wind shield body 222 is connected to the driving mechanism 3.

[0035] The rotating assembly 221 is located between the outer wind shield body 222 and the bottom plate 12 , and the outer wind shield body 222 can rotate on the bottom plate 12 through the driving mechanism 3 .

[0036] A fixed inner wind shield body 212 and a rotating outer wind shield body 222 are adopted. When the driving mechanism 3 is running, the outer wind shield body 222 rotates so that the discharge port 4 of the inner wind shield body 212 and the discharge port 4 of the outer wind shield body 222 are staggered at a certain position, and then the driving mechanism 3 stops rotating to completely block the discharge port 4 of the inner wind shield, thereby preventing external airflow from entering the discharge port 4, thereby realizing automation, simple operation and accurate weighing.

[0037] The rotating assembly 221 includes a ball 2211, a slide groove 2212 and a connecting block 2213. The connecting block 2213 is an annular part body. The upper end surface of the connecting block 2213 is fixedly connected to the outer wind shield body 222. The ball 2211 is embedded in the lower end surface of the connecting block 2213. The slide groove 2212 is located on the base plate 12. The track of the slide groove 2212 is circular. The ball 2211 slides on the slide groove 2212.

[0038] When the driving mechanism 3 is started, the ball 2211 slides better along the track of the slide groove 2212 .

[0039] The driving mechanism 3 includes a motor 31, a belt 32, a driving wheel 33 and a driven wheel 34. One end of the driven wheel 34 is fixed to the ground of the top plate 11, and the other end is concentrically fixedly connected to the upper end surface of the outer windproof cover 222. The motor 31 is fixed on the top plate 11, and the motor 31 drives the driving wheel 33 to rotate, and drives the driven wheel 34 to rotate through the belt 32.

[0040] The opening size of the discharge port 4 is one third of the arc surface of the inner windproof cover body 212 .

[0041] Three support blocks 211 are evenly arranged on the lower end surface of the inner wind shield body 212 , and the support blocks 211 are fixedly connected to the bottom plate 12 by bolts.

[0042] A micro switch 5 is provided on the side of the top plate 11. The micro switch 5 controls the start and shut down of the driving mechanism 3, making the operation more convenient.

[0043] The lower surface of the bottom plate 12 is also provided with an annular sealing gasket 6. The sealing gasket 6 can improve the sealing performance between the bottom plate 12 and the machine.

[0044] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate rather than limit the technical solutions of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the present invention can still be modified or replaced by equivalents without departing from the spirit and scope of the present invention, and the attached claims are intended to cover these modifications or equivalent replacements that fall within the spirit and scope of the present invention.

Claims

1. A rotating windshield of a weighing system, comprising a fixed seat (1), a windshield assembly (2) and a driving mechanism (3), wherein the fixed seat (1) comprises a top plate (11) and a bottom plate (12), the top plate (11) and the bottom plate (12) being connected via a connecting plate (13), the driving mechanism (3) driving the windshield assembly (2) to rotate, and the windshield assembly (2) and the driving mechanism (3) are both located between the top plate (11) and the bottom plate (12). Features: The wind shield assembly (2) comprises an inner wind shield assembly (21) and an outer wind shield assembly (22); the inner wind shield assembly (21) comprises a support block (211) and an inner wind shield body (212); the inner wind shield body (212) is in the form of a cylindrical shell, with discharge ports (4) interconnected at the bottom and sides; the bottom of the inner wind shield body (212) is fixedly mounted on the bottom plate (12) via the support block (211); The outer wind shield assembly (22) comprises a rotating assembly (221) and an outer wind shield body (222); the outer wind shield body (222) is in the form of a cylindrical shell, the bottom surface of which is completely open, and the side surface is provided with a discharge port (4) which is the same as that of the inner wind shield body (212); the diameter of the outer wind shield body (222) is larger than the diameter of the inner wind shield body (212); the upper end surface of the outer wind shield body (222) is connected to the driving mechanism (3); the rotating assembly (221) is located between the outer wind shield body (222) and the bottom plate (12), and the outer wind shield body (222) can be rotated on the bottom plate (12) through the driving mechanism (3); The rotating assembly (221) comprises a ball bearing (2211), a slide groove (2212) and a connecting block (2213); the connecting block (2213) is an annular component body; the upper end surface of the connecting block (2213) is fixedly connected to the outer windshield body (222); the ball bearing (2211) is embedded in the lower end surface of the connecting block (2213); the slide groove (2212) is located on the bottom plate (12); the track of the slide groove (2212) is circular; and the ball bearing (2211) slides on the slide groove (2212); The driving mechanism (3) comprises a motor (31), a belt (32), a driving wheel (33) and a driven wheel (34); one end of the driven wheel (34) is fixed to the bottom surface of the top plate (11), and the other end is fixedly connected concentrically to the upper end surface of the outer windshield body (222); the motor (31) is fixed to the top plate (11); the motor (31) drives the driving wheel (33) to rotate, and drives the driven wheel (34) to rotate via the belt (32).

2. The rotating windshield of a weighing system according to claim 1, characterized in that: The opening size of the discharge port (4) is one third of the arc surface of the inner windproof cover body (212).

3. The rotating windshield of a weighing system according to claim 1, characterized in that: Three support blocks (211) are evenly arranged on the lower end surface of the inner windshield cover (212), and the support blocks (211) are fixedly connected to the bottom plate (12) by bolts.

4. The rotating windshield of a weighing system according to claim 1, characterized in that: A micro switch (5) is provided on the side of the top plate (11).

5. The rotating windshield of a weighing system according to claim 1, characterized in that: An annular sealing gasket (6) is also provided on the lower surface of the bottom plate (12).

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