Urea solution filling equipment with drip-proof function
By designing a urea solution filling equipment with electronically controlled valves and vacuum pumps, the problem of liquid dropping in existing equipment is solved, and the effective recycling and sealing of liquid materials is achieved, reducing waste and pollution.
Patent Information
- Application Number
- CN202421758031.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-07-24
AI Technical Summary
When the existing urea solution filling equipment is in use, liquid material still exists on the inner wall of the filling head after the filling valve is closed, which can easily cause liquid material to drip and affect the normal use of the filling machine.
A urea solution filling equipment including a loading mechanism and a filling mechanism is designed. The filling mechanism consists of a filling unit and a recycling unit. The electronically controlled valve and vacuum pump are provided to achieve effective recycling and sealing of liquid materials.
Through the design of the equipment, there are almost no liquid dripping, reducing waste of raw materials and environmental pollution, and improving filling efficiency.
Smart Images

Figure CN222989765U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of urea solution filling, in particular to a urea solution filling device with a drip-proof function. Background Technique
[0002] With the continuous development of industrialization, environmental protection departments in various countries have successively put forward requirements for reducing pollutant emissions, especially reducing pollutants such as nitrogen oxides emitted by diesel engines. In this regard, engine manufacturers have begun to use SCR technology to meet the requirements of environmental protection departments. SCR technology is a technology in which ammonia is generated through the reaction of urea, and then ammonia reacts with vehicle exhaust gas. It is certified as a technology that can effectively control NOx in the exhaust gas of diesel engines. During the production of urea solution, the product needs to be filled and stored.
[0003] The prior art discloses a drip-proof filling device for shampoo production with the application number: 202022307214.7, which relates to the technical field of shampoo processing equipment. The drip-proof filling device for shampoo production includes a machine body and a feed pipe. A columnar box is fixedly connected to the bottom of the feed pipe. The columnar box is located inside the machine body and is communicated with the feed pipe. A converging ring is fixedly connected to the inner wall of the columnar box. A positioning frame is fixedly connected to the inner wall of the converging ring. The inner wall of the positioning frame is movably connected to the surface of a round rod. A plug is fixedly connected to the top of the round rod. By setting the round rod, the plug, the positioning frame and the sealing head, the above-mentioned utility model solves the problem that in the prior art, when the commonly used filling device for shampoo production is in use, after the filling valve is closed, there is still shampoo on the inner wall of the filling head, and the shampoo is likely to drip from the inner wall of the filling head onto the conveyor belt of the filling machine, affecting the normal use of the filling machine.
[0004] However, the existing technology still has the following deficiencies. First, when the above device is in use, a plug is provided to prevent the liquid material from dripping. However, when the plug is unfolded, the liquid material will be discharged through the plug, so there will also be residual liquid material on the plug. Therefore, there will still be a slight dripping phenomenon during use. Content of the Utility Model
[0005] The purpose of the utility model is to provide a urea solution filling device with a drip-proof function to solve the problems raised in the above background technique.
[0006] To achieve the above purpose, the utility model provides the following technical solution: A urea solution filling device with a drip-proof function includes a bearing mechanism and a filling mechanism. The filling mechanism is movably connected to the top of the bearing mechanism.
[0007] The filling mechanism includes a loading unit and a recycling unit. The loading unit is movably connected to the top of the bearing mechanism, and the recycling unit is fixedly connected to the surfaces of the loading unit and the bearing mechanism.
[0008] Preferably, the bearing mechanism is composed of a bottom plate, a storage tank, a feed inlet, a supply pump, and a connecting pipe. The storage tank is fixedly connected to the top of the bottom plate. The feed inlet is opened on the top of the storage tank. The supply pump is fixedly connected to the top of the storage tank. The connecting pipe is fixedly connected to the side of the supply pump, playing a major bearing role.
[0009] Preferably, the loading unit is composed of a guide frame, a motor, a threaded rod, a movable block, and a support arm. The guide frame is fixedly connected to the top of the bottom plate. The motor is fixedly connected to the top of the guide frame. The threaded rod is rotatably connected to the inside of the guide frame. The movable block is movably connected to the surfaces of the guide frame and the threaded rod. The support arm is fixedly connected to the side of the movable block, playing a major role in loading adjustment.
[0010] Preferably, the recycling unit is composed of a connecting block, a filling head, a sealing gasket, a discharge port, a liquid level detection rod, a filling hose, a negative pressure hose, a vacuum pump, and a material guiding hose. The connecting block is fixedly connected to the bottom of the support arm. The filling head is fixedly connected to the bottom of the connecting block. The sealing gasket is fixedly connected to the top of the filling head. The discharge port is opened on the bottom surface of the filling head. The liquid level detection rod is fixedly connected to the bottom of the filling head. The filling hose is fixedly connected between the connecting pipe and the connecting block. The negative pressure hose is fixedly connected between the connecting block and the vacuum pump. The vacuum pump is fixedly connected to the side of the support arm. The material guiding hose is fixedly connected between the vacuum pump and the storage tank, facilitating the recycling of residual liquid materials while filling.
[0011] Preferably, a three-way pipeline is arranged inside the connecting block, and electric control valves are arranged inside the three-way pipeline in both the filling hose and the negative pressure hose, facilitating alternative control and use.
[0012] Preferably, the filling head communicates with the inside of the connecting block, and the connecting block communicates with the filling hose and the negative pressure hose, facilitating the flow of liquid materials.
[0013] Preferably, the discharge port is provided with six openings and is distributed on the surface of the discharge port, facilitating the rapid and uniform filling of urea solution through multiple points.
[0014] Compared with the prior art, the beneficial effects of the present utility model are:
[0015] 1. The urea solution filling equipment with anti-drip function is provided with an electric control valve inside the connecting block, which facilitates switching the passage after filling and cooperating with the vacuum pump for vacuum recovery, ensuring almost no liquid dripping, greatly reducing the waste of raw materials and environmental pollution.
[0016] 2. The urea solution filling equipment with anti-drip function is provided with a conical filling head, which enables the device to extend and fit according to the filling ports of different-sized tanks during use, achieving a better sealing effect and preventing excessive filling. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the external structure of the present utility model;
[0018] Figure 2 For the present utility model Figure 1 The enlarged schematic diagram of the structure at A in the figure;
[0019] Figure 3 It is a schematic diagram of the side view structure of the present utility model;
[0020] Figure 4 For the present utility model Figure 3 The enlarged schematic diagram of the structure at B in the figure.
[0021] In the figure: 1. Carrying mechanism; 101. Base plate; 102. Storage tank; 103. Feed inlet; 104. Supply pump; 105. Connecting pipe; 2. Filling mechanism; 201. Guide frame; 202. Motor; 203. Threaded rod; 204. Movable block; 205. Support arm; 211. Connecting block; 212. Filling head; 213. Sealing gasket; 214. Discharge port; 215. Liquid level detection rod; 216. Filling hose; 217. Negative pressure hose; 218. Vacuum pump; 219. Guide material hose. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0023] Please refer to Figures 1-4 , the present utility model provides the following technical solutions: A urea solution filling equipment with anti-drip function, including a carrying mechanism 1 and a filling mechanism 2, and the filling mechanism 2 is movably connected to the top of the carrying mechanism 1.
[0024] The filling mechanism 2 includes a loading unit and a recycling unit. The loading unit is movably connected to the top of the bearing mechanism 1, and the recycling unit is fixedly connected to the surfaces of the loading unit and the bearing mechanism 1.
[0025] The bearing mechanism 1 is composed of a bottom plate 101, a storage tank 102, a feed inlet 103, a supply pump 104, and a connecting pipe 105. The storage tank 102 is fixedly connected to the top of the bottom plate 101. The feed inlet 103 is opened on the top of the storage tank 102. The supply pump 104 is fixedly connected to the top of the storage tank 102. The connecting pipe 105 is fixedly connected to the side of the supply pump 104, playing a major bearing role.
[0026] The loading unit is composed of a guide frame 201, a motor 202, a threaded rod 203, a movable block 204, and a support arm 205. The guide frame 201 is fixedly connected to the top of the bottom plate 101. The motor 202 is fixedly connected to the top of the guide frame 201. The threaded rod 203 is rotatably connected to the inside of the guide frame 201. The movable block 204 is movably connected to the surfaces of the guide frame 201 and the threaded rod 203. The support arm 205 is fixedly connected to the side of the movable block 204, playing a major role in loading adjustment. The recycling unit is composed of a communication block 211, a filling head 212, a gasket 213, a discharge port 214, a liquid level detection rod 215, a filling hose 216, a negative pressure hose 217, a vacuum pump 218, and a material guiding hose 219. The communication block 211 is fixedly connected to the bottom of the support arm 205. A three-way pipeline is arranged inside the communication block 211. Electric control valves are arranged inside the three-way pipeline in both the filling hose 216 and the negative pressure hose 217, facilitating alternate control and use. The filling head 212 is fixedly connected to the bottom of the communication block 211. The filling head 212 communicates with the inside of the communication block 211. The communication block 211 communicates with the filling hose 216 and the negative pressure hose 217, facilitating the flow of liquid materials. The gasket 213 is fixedly connected to the top of the filling head 212. The discharge port 214 is opened on the bottom surface of the filling head 212. The discharge port 214 is provided with six openings and is distributed on the surface of the discharge port 214, facilitating the rapid and uniform filling of the urea solution through multiple points. The liquid level detection rod 215 is fixedly connected to the bottom of the filling head 212. The filling hose 216 is fixedly connected between the connecting pipe 105 and the communication block 211. The negative pressure hose 217 is fixedly connected between the communication block 211 and the vacuum pump 218. The vacuum pump 218 is fixedly connected to the side of the support arm 205. The material guiding hose 219 is fixedly connected between the vacuum pump 218 and the storage tank 102, playing a role in filling and also facilitating the recovery of residual liquid materials.
[0027] During use, the container to be loaded is placed below the filling head 212. The motor 202 drives the threaded rod 203 to rotate, causing the support arm 205 to move. The filling head 212 is inserted into the loading port of the loading container. After filling, by switching the passage pipeline and starting the vacuum pump 218, the residual liquid material is sucked in and out and conducted back into the interior of the storage tank 102 to prevent subsequent dripping.
[0028] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to the embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A urea solution filling device with an anti-drip function, comprising a carrying mechanism (1) and a filling mechanism (2), characterized in that: The filling mechanism (2) is movably connected to the top of the supporting mechanism (1); The filling mechanism (2) comprises a filling unit and a recovery unit, the filling unit being movably connected to the top of the supporting mechanism (1), and the recovery unit being fixedly connected to the filling unit and the surface of the supporting mechanism (1).
2. The urea solution filling equipment with anti-drip function according to claim 1 is characterized in that: The supporting mechanism (1) is composed of a base plate (101), a storage tank (102), a feed port (103), a supply pump (104) and a connecting pipe (105); the storage tank (102) is fixedly connected to the top of the base plate (101); the feed port (103) is opened at the top of the storage tank (102); the supply pump (104) is fixedly connected to the top of the storage tank (102); and the connecting pipe (105) is fixedly connected to the side of the supply pump (104).
3. The urea solution filling equipment with anti-drip function according to claim 2 is characterized in that: The loading unit is composed of a guide frame (201), a motor (202), a threaded rod (203), a movable block (204) and a support arm (205); the guide frame (201) is fixedly connected to the top of the base plate (101); the motor (202) is fixedly connected to the top of the guide frame (201); the threaded rod (203) is rotatably connected to the inside of the guide frame (201); the movable block (204) is movably connected to the surfaces of the guide frame (201) and the threaded rod (203); and the support arm (205) is fixedly connected to the side of the movable block (204).
4. The urea solution filling equipment with anti-drip function according to claim 3 is characterized in that: The recovery unit is composed of a connecting block (211), a filling head (212), a sealing gasket (213), a discharge port (214), a liquid level detection rod (215), a filling hose (216), a negative pressure hose (217), a vacuum pump (218) and a material guide hose (219), wherein the connecting block (211) is fixedly connected to the bottom of the support arm (205), the filling head (212) is fixedly connected to the bottom of the connecting block (211), the sealing gasket (213) is fixedly connected to the top of the filling head (212), and the discharge port (214) is fixedly connected to the bottom of the connecting block (211). 14) is opened on the bottom surface of the filling head (212), the liquid level detection rod (215) is fixedly connected to the bottom of the filling head (212), the filling hose (216) is fixedly connected between the connecting pipe (105) and the connecting block (211), the negative pressure hose (217) is fixedly connected between the connecting block (211) and the vacuum pump (218), the vacuum pump (218) is fixedly connected to the side of the support arm (205), and the material guide hose (219) is fixedly connected between the vacuum pump (218) and the storage tank (102).
5. The urea solution filling equipment with anti-drip function according to claim 4 is characterized in that: A three-way pipeline is arranged inside the connecting block (211), wherein the interior of the three-way pipeline and the interiors of the filling hose (216) and the negative pressure hose (217) are both provided with electric control valves.
6. The urea solution filling equipment with anti-drip function according to claim 5, characterized in that: The filling head (212) is connected to the interior of the connecting block (211), wherein the connecting block (211) is in turn connected to the filling hose (216) and the negative pressure hose (217).
7. The urea solution filling equipment with anti-drip function according to claim 6 is characterized in that: The discharge port (214) is provided with six openings distributed on the surface of the discharge port (214).
Citation Information
Patent Citations
Drip-proof filling equipment for shampoo production
CN213505917U