Weighing and filling equipment for aqueous urea solution for vehicles

By setting up a limit structure and weighing device in the automotive urea aqueous solution filling equipment, the problem of urea aqueous solution dripping caused by bottle shaking is solved, the filling accuracy and capacity accuracy are achieved, and the equipment cleaning process is simplified.

CN222556569UActive Publication Date: 2025-03-04KELAS ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202420795715.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-17
Publication Date
2025-03-04
Estimated Expiration
2034-04-17

AI Technical Summary

Technical Problem

After filling the urea aqueous solution, the bottle shakes and causes the urea aqueous solution to drip, resulting in a decrease in capacity and is inconvenient to clean up when dripping in the filling equipment.

Method used

A weighing and filling equipment for automotive urea aqueous solution was designed. By setting up a limit structure and weighing device, the bottle does not shake during the filling process, and sealing and filling the bottle is achieved through a sealing cap and a flow guide.

Benefits of technology

It effectively prevents the urea aqueous solution from dripping during the filling process, ensures the accuracy of filling accuracy and capacity, and simplifies the cleaning process of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides vehicle urea water solution weighing and filling equipment which comprises a sealing cover, the sealing cover is arranged between two limiting structures, an insertion hole is formed in the top of the sealing cover, a sealing plate is rotationally connected to the inner side of the insertion hole, and a spring is arranged between the sealing plate and the insertion hole. The sealing device is reasonable in design, the sealing cover is supported through the arranged limiting structure, then the electric push rod pushes the flow guide pipe to move downwards, the flow guide pipe is inserted into the inserting hole, the bottom of the pressing plate is attached to the top of the sealing cover, the sealing cover is pushed to be attached to the top of a bottle through the limiting device, and then the bottle is filled with urea water solution. And after the flow guide pipe leaves the insertion hole, the spring pushes the sealing plate to be attached to the insertion hole to seal the bottle.
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Description

Technical Field

[0001] The utility model mainly relates to the field of vehicle urea, and in particular to a vehicle urea aqueous solution weighing and filling device. Background Art

[0002] Automotive urea is an essential additive for the SCR solution. The SCR system includes a urea tank (loaded with diesel exhaust treatment fluid) and an SCR catalytic reaction tank. The operation process of the SCR system is as follows: when nitrogen oxides are found in the exhaust pipe, the urea tank automatically sprays diesel exhaust treatment fluid, and the diesel exhaust treatment fluid and nitrogen oxides undergo an oxidation-reduction reaction in the SCR catalytic reaction tank to generate pollution-free nitrogen and water vapor for discharge;

[0003] The filling machine is widely used in various industries such as daily chemicals and oils. It can fill different high-viscosity fluids. The urea aqueous solution is filled into bottles for storage through the filling machine.

[0004] The inventor discovered the following defects during the operation of the specific embodiment:

[0005] However, when the bottle is moved after the urea aqueous solution is filled, the shaking of the bottle will cause the urea aqueous solution inside to shake, causing the urea aqueous solution to drip into the filling equipment through the bottle mouth, resulting in a reduction in the capacity of the urea aqueous solution in the bottle, and the urea aqueous solution dripping into the filling equipment is difficult to clean.

[0006] It should be noted that the above contents belong to the technical cognition scope of the inventor. Since the technical contents in this field are vast and too complicated, the above contents of this application do not necessarily constitute prior art. Utility Model Content

[0007] 1. Technical problems to be solved by the utility model:

[0008] The utility model provides a vehicle urea aqueous solution weighing and filling device, which is used to solve the technical problems existing in the above-mentioned background technology.

[0009] 2. Technical solution:

[0010] To achieve the above-mentioned purpose, the technical solution provided by the utility model is as follows: a vehicle urea aqueous solution weighing and filling equipment, comprising a bottom plate, a mounting shaft is arranged on the top of the bottom plate, a mounting ring is provided on the outer wall of the mounting shaft, a feeding structure is rotatably connected to the inner side of the mounting ring, a top plate is arranged on the top of the mounting shaft, a material discharge trough is provided on one side of the top of the top plate, and limiting structures are arranged on both sides of the inner wall of the material discharge trough, a support rod is arranged on the top of the top plate, a bracket is arranged on the top of the top plate, an electric push rod is arranged on the top of one end of the bracket, a guide tube is arranged on the output end of the electric push rod, and a pressure plate is arranged on the outer wall of the guide tube;

[0011] The sealing cover is arranged between the two limiting structures, a plug hole is provided on the top of the sealing cover, a sealing plate is rotatably connected to the inner side of the plug hole, and a spring is arranged between the sealing plate and the plug hole.

[0012] Furthermore, an electric telescopic rod is provided on one side of the installation shaft, and a pushing ring is provided on the output end of the electric telescopic rod.

[0013] Furthermore, a plurality of servo motors are arranged on the top of the top plate, and a driving gear is arranged at the output end of the servo motor.

[0014] Furthermore, the limiting structure includes a rotating shaft, which is rotatably connected to the inner wall of the material discharge chute, a flat spiral spring is arranged between the rotating shaft and the material discharge chute, a support plate is arranged on the outer wall of the material discharge chute, a fitting strip is arranged on the top of the support plate, and the top of the fitting strip is fitted with the bottom of the sealing cover.

[0015] Furthermore, the feeding structure includes a rotating tooth plate, a positioning hole is opened in the middle of the rotating tooth plate, the positioning hole is rotatably connected to the mounting ring, the rotating tooth plate is meshed with the driving gear, a placement groove is opened inside the rotating tooth plate, sliding holes are opened on both sides of the inner wall of the placement groove, and a weighing device is arranged at the bottom of the rotating tooth plate, and the weighing device is arranged directly below the placement groove.

[0016] Furthermore, a spring rod is provided on the inner wall of the sliding hole, a limiting block is provided at one end of the spring rod, and the limiting block is slidably connected to the sliding hole.

[0017] 3. Beneficial effects:

[0018] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0019] The utility model supports the sealing cover by means of a setting limit structure, and then the electric push rod pushes the guide tube to move downward, the guide tube is inserted into the insertion hole, and the bottom of the pressing plate is in contact with the top of the sealing cover and pushes the sealing cover to be in contact with the top of the bottle through the limit device, and then the urea aqueous solution is filled into the bottle, and when the guide tube leaves the insertion hole, the spring pushes the sealing plate to be in contact with the insertion hole to seal the bottle;

[0020] Put the bottle into the placement slot, the bottom of the bottle contacts the weighing device, and then the spring rod pushes the limit blocks to slide relatively and fit each other to limit the bottle to prevent the bottle from shaking when filling the urea aqueous solution. At the same time, the weighing device can weigh the urea aqueous solution in the bottle. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of the utility model;

[0023] Figure 3 It is a three-dimensional structural schematic diagram of the feeding structure of the utility model;

[0024] Figure 4 For the utility model Figure 1 Schematic diagram of the local enlarged structure at point A in the middle.

[0025] Reference numerals:

[0026] 1. Bottom plate; 2. Mounting shaft; 3. Mounting ring; 4. Electric telescopic rod; 5. Push ring; 6. Servo motor; 7. Driving gear; 8. Bracket; 9. Electric push rod; 10. Guide tube; 11. Press plate; 12. Support rod; 13. Feeding chute; 14. Rotating shaft; 15. Planar scroll spring; 16. Support plate; 17. Fitting strip; 18. Sealing cover; 19. Plug hole; 20. Sealing plate; 21. Top plate; 22. Feeding structure; 2201. Rotating tooth plate; 2202. Positioning hole; 2203. Placement slot; 2204. Sliding hole; 2205. Spring rod; 2206. Limit block; 2207. Weighing device. DETAILED DESCRIPTION

[0027] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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 a limitation on the present invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", "provided on" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0031] See attached Figure 1-4 A vehicle urea aqueous solution weighing and filling equipment comprises a bottom plate 1, a mounting shaft 2 is arranged on the top of the bottom plate 1, a mounting ring 3 is provided on the outer wall of the mounting shaft 2, a feeding structure 22 is rotatably connected to the inner side of the mounting ring 3, a top plate 21 is arranged on the top of the mounting shaft 2, a feeding trough 13 is provided on one side of the top of the top plate 21, and limiting structures are arranged on both sides of the inner wall of the feeding trough 13, a support rod 12 is arranged on the top of the top plate 21, a bracket 8 is arranged on the top of the top plate 21, an electric push rod 9 is arranged on the top of one end of the bracket 8, a guide tube 10 is arranged on the output end of the electric push rod 9, and a pressure plate 11 is arranged on the outer wall of the guide tube 10;

[0032] The sealing cover 18 is arranged between the two limiting structures. A plug hole 19 is provided on the top of the sealing cover 18. A sealing plate 20 is rotatably connected to the inner side of the plug hole 19. A spring is provided between the sealing plate 20 and the plug hole 19.

[0033] Furthermore, an electric telescopic rod 4 is provided on one side of the mounting shaft 2, and a pushing ring 5 is provided at the output end of the electric telescopic rod 4. When the filling in the bottle is completed, the electric telescopic rod 4 is started, and the electric telescopic rod 4 pushes the pushing ring 5 to push the bottle out, thereby realizing automatic unloading.

[0034] Furthermore, a plurality of servo motors 6 are disposed on the top of the top plate 21 , and a driving gear 7 is disposed at the output end of the servo motor 6 .

[0035] Furthermore, the limiting structure includes a rotating shaft 14, which is rotatably connected to the inner wall of the feed chute 13, a flat spiral spring 15 is arranged between the rotating shaft 14 and the feed chute 13, and a support plate 16 is arranged on the outer wall of the feed chute 13. A fitting strip 17 is arranged on the top of the support plate 16, and the top of the fitting strip 17 fits with the bottom of the sealing cover 18. The flat spiral spring 15 supports the rotating shaft 14, so that the support plate 16 on one side of the rotating shaft 14 supports the sealing cover 18. When the sealing cover 18 is subjected to force, the sealing cover 18 pushes the support plate 16 to rotate, so that the sealing cover 18 can fit with the top of the bottle through the support plate 16.

[0036] Furthermore, the feeding structure 22 includes a rotating tooth plate 2201, a positioning hole 2202 is provided in the middle of the rotating tooth plate 2201, the positioning hole 2202 is rotatably connected to the mounting ring 3, the rotating tooth plate 2201 is meshed with the driving gear 7, a placement groove 2203 is provided inside the rotating tooth plate 2201, and sliding holes 2204 are provided on both sides of the inner wall of the placement groove 2203, and a weighing device 2207 is provided at the bottom of the rotating tooth plate 2201. The device 2207 is arranged directly below the placement groove 2203, and the inner wall of the sliding hole 2204 is provided with a spring rod 2205. One end of the spring rod 2205 is provided with a limit block 2206. The limit block 2206 is slidably connected to the sliding hole 2204. The bottle is placed into the placement groove 2203, and then the spring rod 2205 pushes the outer wall of the limit block 2206 to fit the outer wall of the bottle to fix the bottle. The weighing device 2207 can weigh the urea aqueous solution in the bottle.

[0037] In this embodiment, when the urea aqueous solution needs to be filled by the filling device, the bottle is placed in the placement groove 2203 and the bottom of the bottle is in contact with the top of the weighing device 2207, and then the spring rod 2205 pushes the limit block 2206 to move relatively, so that the outer wall of the limit block 2206 is in contact with the outer wall of the bottle to fix the bottle;

[0038] The servo motor 6 is started, and the servo motor 6 drives the driving gear 7 to rotate, and the driving gear 7 drives the rotating gear plate 2201 to rotate on the inner wall of the mounting ring 3, so that the bottle moves to the right below the sealing cover 18, and the support rod 12 limits the sealing plate 20, and the electric push rod 9 is started, and the electric push rod 9 pushes the guide tube 10 to move downward, and the guide tube 10 is inserted into the inside of the insertion hole 19, and the pressing plate 11 fits with the top of the sealing cover 18, so that the guide tube 10 pushes the sealing cover 18 to move downward through the pressing plate 11, and the sealing cover 18 pushes the supporting plate 16 to rotate, so that the sealing cover 18 passes through the supporting plate 16 and engages with the bottle mouth of the bottle, and then the pump pumps the urea aqueous solution into the bottle, and when the guide tube 10 is separated from the insertion hole 19, the spring drives the sealing plate 20 to reset and seal the insertion hole 19, and then the bottle moves to the position of the pushing ring 5, and the electric telescopic rod 4 is started, and the electric telescopic rod 4 drives the pushing ring 5 to move outward to push the bottle through the limit block 2206 and out of the filling device.

[0039] The above-described embodiments only express a certain implementation method of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the patent of the utility model shall be based on the attached claims.

Claims

1. A vehicle urea aqueous solution weighing and filling equipment, characterized in that: A bottom plate (1), wherein a mounting shaft (2) is arranged at the top of the bottom plate (1), a mounting ring (3) is provided on the outer wall of the mounting shaft (2), a feeding structure (22) is rotatably connected to the inner side of the mounting ring (3), a top plate (21) is arranged at the top of the mounting shaft (2), a material discharge trough (13) is provided on one side of the top of the top plate (21), and limiting structures are provided on both sides of the inner wall of the material discharge trough (13), a support rod (12) is arranged at the top of the top plate (21), a bracket (8) is arranged at the top of the top plate (21), an electric push rod (9) is arranged at the top of one end of the bracket (8), a guide tube (10) is arranged at the output end of the electric push rod (9), and a pressure plate (11) is arranged on the outer wall of the guide tube (10); A sealing cover (18), the sealing cover (18) being arranged between the two limiting structures, a plug hole (19) being provided at the top of the sealing cover (18), a sealing plate (20) being rotatably connected to the inner side of the plug hole (19), and a spring being arranged between the sealing plate (20) and the plug hole (19).

2. The vehicle urea aqueous solution weighing and filling equipment according to claim 1 is characterized in that: An electric telescopic rod (4) is provided on one side of the installation shaft (2), and a pushing ring (5) is provided at the output end of the electric telescopic rod (4).

3. The vehicle urea aqueous solution weighing and filling equipment according to claim 1 is characterized in that: A plurality of servo motors (6) are arranged on the top of the top plate (21), and a driving gear (7) is arranged at the output end of the servo motor (6).

4. The vehicle urea aqueous solution weighing and filling equipment according to claim 1 is characterized in that: The limiting structure comprises a rotating shaft (14), the rotating shaft (14) being rotatably connected to the inner wall of the material discharge chute (13), a planar spiral spring (15) being arranged between the rotating shaft (14) and the material discharge chute (13), a supporting plate (16) being arranged on the outer wall of the material discharge chute (13), a fitting strip (17) being arranged on the top of the supporting plate (16), and the top of the fitting strip (17) being fitted with the bottom of the sealing cover (18).

5. The vehicle urea aqueous solution weighing and filling equipment according to claim 1 is characterized in that: The feeding structure (22) comprises a rotating tooth plate (2201), a positioning hole (2202) is provided in the middle of the rotating tooth plate (2201), the positioning hole (2202) is rotatably connected to the mounting ring (3), the rotating tooth plate (2201) is meshed with the driving gear (7), a placement groove (2203) is provided inside the rotating tooth plate (2201), sliding holes (2204) are provided on both sides of the inner wall of the placement groove (2203), and a weighing device (2207) is provided at the bottom of the rotating tooth plate (2201), and the weighing device (2207) is arranged directly below the placement groove (2203).

6. The vehicle urea aqueous solution weighing and filling equipment according to claim 5 is characterized in that: A spring rod (2205) is provided on the inner wall of the sliding hole (2204), a limit block (2206) is provided at one end of the spring rod (2205), and the limit block (2206) is slidably connected to the sliding hole (2204).