Urea reversing valve structure

Abstract

The utility model discloses a urea reversing valve structure, and particularly relates to the technical field of reversing valves, the urea reversing valve structure comprises a three-way pipe, a partition plate is fixedly connected in the three-way pipe, connecting pieces are fixedly sleeved on the edges of the outer sides of the three ends of the three-way pipe, an adjusting assembly is arranged on one side of the partition plate, and the adjusting assembly comprises a motor, a screw rod, a sliding block, a baffle, a vertical rod and a convex block. The motor is fixedly installed on the outer side of the three-way pipe, the top end of the lead screw is fixedly connected with the end of an output shaft of the motor, the lead screw is movably connected with the three-way pipe through a bearing, the sliding block is in threaded connection with the lead screw, and one side of the sliding block is fixedly connected with the baffle. The motor works to drive the sliding block to move downwards, so that the baffle is driven to move downwards, the partition plate is sealed through the baffle, meanwhile, the sliding block drives the convex block to move downwards, urea solution penetrates through the convex block and flows out of the three-way pipe, the structure is simple, large space in the valve body does not need to be occupied, and the using effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of reversing valves, and more specifically, to a urea reversing valve structure. Background Art

[0002] The reversing valve of urea is mainly used to realize the communication, cutting-off and reversing of the hydraulic oil flow, as well as the pressure unloading and sequence action control. The reversing valve plays a crucial role in the SCR system. The existing equipment arranges different pipelines according to different types of media, so the structure of the pipelines in the equipment is relatively complex, with poor stability, limited characteristics of the transported medium, and it is difficult to meet the actual production requirements.

[0003] After retrieval, the Chinese patent with the publication number CN217056436U discloses a large-flow reversing valve structure. Through the telescopic movement of the telescopic rod, the baffle is driven to move back and forth between the first limiting platform and the second limiting platform, forming the mutual switching of the communication between the first outlet and the second outlet, and the communication between the second outlet and the third outlet. The structure of the utility model is simple, easy to disassemble, has good operation stability, has no requirements for the characteristics of the transported medium, and has a large transport flow.

[0004] When the above-mentioned reversing valve structure is in use, the telescopic rod is adjusted to move the baffle to the first limiting platform, and the baffle and the first limiting platform are sealed. However, the volume of the telescopic rod is relatively large, which requires a large space inside the valve body, and the use effect is poor. Summary of the Utility Model

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a urea reversing valve structure, aiming to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a urea reversing valve structure, including a tee pipe, a partition is fixedly connected inside the tee pipe, connection pieces are fixedly sleeved at the outer edge positions of the three ends of the tee pipe, an adjusting component is arranged on one side of the partition, and the adjusting component includes a motor, a lead screw, a slider, a baffle, a vertical rod and a convex block. The motor is fixedly installed on the outside of the tee pipe, the top end of the lead screw is fixedly connected to the end of the output shaft of the motor, and the lead screw is movably connected to the tee pipe through a bearing. The slider is threadedly connected to the lead screw, and one side of the slider is fixedly connected to the baffle. The top end and the bottom end of the vertical rod are respectively fixedly connected to the slider and the convex block.

[0007] Further, a limiting plate is fixedly connected to the bottom end of the convex block, two limiting rods are movably arranged on the limiting plate, and the top ends of the two limiting rods are fixedly connected to the tee pipe.

[0008] It can be seen that in the above technical solution, the two limiting rods and the limiting plate cooperate to limit the rotation of the slider.

[0009] Further, two limiting rings are fixedly sleeved on the lead screw, and the two limiting rings are respectively located at the top and bottom of the slider.

[0010] It can be seen that in the above technical solution, the distance of the up-and-down movement of the slider can be limited by the two limiting rings.

[0011] Further, one side of the baffle is fixedly connected with a first gasket, and one side of the first gasket is in contact with the partition plate.

[0012] It can be seen that in the above technical solution, the sealing performance between the baffle and the partition plate can be improved by the first gasket, preventing the urea solution from overflowing.

[0013] Further, a second gasket is fixedly sleeved on the outside of the convex block, and the outside of the second gasket is in contact with the tee pipe.

[0014] It can be seen that in the above technical solution, the sealing performance between the convex block and the tee pipe can be improved by the second gasket, preventing the urea solution from overflowing.

[0015] Further, a threaded ring is movably arranged on the side of the lead screw away from the partition plate, and the threaded ring is fixedly installed in the tee pipe. A filtering component is arranged on one side of the threaded ring, and the filtering component includes a connecting head and an activated carbon plate.

[0016] Further, the connecting head is in threaded connection with the threaded ring, and one end of the connecting head is fixedly connected with the activated carbon plate.

[0017] The technical effects and advantages of the present utility model:

[0018] 1. In the present utility model, the motor works to drive the lead screw to rotate. The lead screw can drive the slider to move downward, thereby driving the baffle to move downward. The baffle seals the partition plate. At the same time, the slider drives the vertical rod to move downward, thereby driving the convex block to move downward. The urea solution passes through the convex block and flows out of the tee pipe. The structure is simple, without occupying a large space inside the valve body, and the use effect is good;

[0019] 2. In the present utility model, the activated carbon plate is placed in the tee pipe, and then the activated carbon plate is rotated to drive the connecting head to rotate, and the connecting head is fixed to the threaded ring, so that the activated carbon plate is fixed to the tee pipe. The urea solution passes through the activated carbon plate and flows out through both ends of the tee pipe. The activated carbon plate can effectively filter out the suspended substances and impurities in the urea solution. Similarly, the activated carbon plate can be disassembled. The structure is simple and the service life is long. Description of the Drawings

[0020] The structures, proportions, sizes, etc. shown in this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the implementation conditions of the present utility model. Therefore, they do not have substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size, without affecting the efficacy and purpose that the present utility model can achieve, should still fall within the scope covered by the technical content disclosed in the present utility model.

[0021] Figure 1 is a schematic diagram of the overall structure of a urea reversing valve structure of the present utility model;

[0022] Figure 2 is a front view of the overall structure of a urea reversing valve structure of the present utility model;

[0023] Figure 3 is a schematic diagram of the assembly structure of the cross-section of the tee pipe and the adjustment component of a urea reversing valve structure of the present utility model;

[0024] Figure 4 is a schematic diagram of the assembly structure of the cross-section of the tee pipe and the cross-section of the partition of a urea reversing valve structure of the present utility model;

[0025] Figure 5 is a schematic diagram of the adjustment component structure of a urea reversing valve structure of the present utility model;

[0026] Figure 6 is a schematic diagram of the connection head and the activated carbon plate structure of a urea reversing valve structure of the present utility model.

[0027] In the figure: 1, tee pipe; 2, connecting piece; 3, adjustment component; 4, partition; 5, threaded ring; 6, connection head; 7, activated carbon plate; 301, motor; 302, lead screw; 303, slider; 304, baffle; 305, vertical rod; 306, convex block; 307, limiting rod; 308, limiting plate; 309, limiting ring; 310, first gasket; 311, second gasket. Detailed implementation manners

[0028] The following specific embodiments illustrate the implementation manners of the present utility model. Those familiar with this technology can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0029] Refer to the attached drawings of the specification Figure 1-6, A urea reversing valve structure of this embodiment includes a three-way pipe 1. A partition plate 4 is fixedly connected inside the three-way pipe 1. Connecting pieces 2 are fixedly sleeved on the outer edges of the three ends of the three-way pipe 1. An adjusting component 3 is provided on one side of the partition plate 4. The adjusting component 3 includes a motor 301, a lead screw 302, a slider 303, a baffle 304, a vertical rod 305 and a convex block 306. The motor 301 is fixedly installed on the outside of the three-way pipe 1. The top end of the lead screw 302 is fixedly connected to the end of the output shaft of the motor 301, and the lead screw 302 is movably connected to the three-way pipe 1 through a bearing. The slider 303 is threadedly connected to the lead screw 302, and one side of the slider 303 is fixedly connected to the baffle 304. The top end and the bottom end of the vertical rod 305 are respectively fixedly connected to the slider 303 and the convex block 306.

[0030] Furthermore, a limiting plate 308 is fixedly connected to the bottom end of the convex block 306. Two limiting rods 307 are movably arranged on the limiting plate 308, and the top ends of the two limiting rods 307 are fixedly connected to the three-way pipe 1. Two limiting rings 309 are fixedly sleeved on the lead screw 302, and the two limiting rings 309 are respectively located at the top and the bottom of the slider 303. A first gasket 310 is fixedly connected to one side of the baffle 304, and one side of the first gasket 310 is in contact with the partition plate 4. A second gasket 311 is fixedly sleeved on the outside of the convex block 306, and the outside of the second gasket 311 is in contact with the three-way pipe 1.

[0031] Furthermore, a threaded ring 5 is movably arranged on the side of the lead screw 302 away from the partition plate 4, and the threaded ring 5 is fixedly installed inside the three-way pipe 1. A filtering component is provided on one side of the threaded ring 5. The filtering component includes a connecting head 6 and an activated carbon plate 7. The connecting head 6 is threadedly connected to the threaded ring 5, and one end of the connecting head 6 is fixedly connected to the activated carbon plate 7.

[0032] Among them, the activated carbon plate 7 is placed into the three-way pipe 1, and then the activated carbon plate 7 is rotated to drive the connecting head 6 to rotate, and the connecting head 6 is fixed to the threaded ring 5, so that the activated carbon plate 7 is fixed to the three-way pipe 1. The urea solution passes through the activated carbon plate 7 and flows out through the two ends of the three-way pipe 1. The activated carbon plate 7 can effectively filter out the suspended substances and impurities in the urea solution, such as dust, particles, etc. If these impurities are not filtered, they will cause nozzle blockage and affect the spraying effect. Similarly, the activated carbon plate 7 is disassembled, with a simple structure and a long service life.

[0033] The usage method of this embodiment is as follows:

[0034] When in use, the tee 1 is connected to three external pipelines through four bolts and three connecting pieces 2. The urea solution passes through the partition plate 4 and flows out of the tee 1. The motor 301 is started, and the operation of the motor 301 drives the screw rod 302 to rotate. Since the slider 303 is threadedly connected to the screw rod 302, and the two limiting rods 307 and the limiting plate 308 cooperate to limit the rotation of the slider 303, the screw rod 302 can drive the slider 303 to move downward, thereby driving the baffle 304 to move downward. The partition plate 4 is sealed by the baffle 304. At the same time, the slider 303 drives the vertical rod 305 to move downward, thereby driving the convex block 306 to move downward. The urea solution passes through the convex block 306 and flows out of the tee 1. The structure is simple, without occupying a large space inside the valve body, and has a good use effect. The distance of the up and down movement of the slider 303 can be limited by two limiting rings 309. The sealing performance between the baffle 304 and the partition plate 4 can be improved by the first gasket 310 to prevent the urea solution from overflowing. The sealing performance between the convex block 306 and the tee 1 can be improved by the second gasket 311 to prevent the urea solution from overflowing.

[0035] The content not described in detail in the specification belongs to the prior art well-known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used. In this technical solution, since the electrical control components not mentioned belong to the prior art, they are not shown in the figure and will not be described here.

[0036] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A urea reversing valve structure, comprising a three-way pipe (1), wherein a partition plate (4) is fixedly connected inside the three-way pipe (1), and connecting pieces (2) are fixedly sleeved on the outer edge positions of the three ends of the three-way pipe (1), and the characteristics are as follows: One side of the partition plate (4) is provided with an adjusting component (3). The adjusting component (3) includes a motor (301), a lead screw (302), a slider (303), a baffle plate (304), a vertical rod (305) and a convex block (306). The motor (301) is fixedly installed on the outer side of the tee pipe (1). The top end of the lead screw (302) is fixedly connected to the end of the output shaft of the motor (301), and the lead screw (302) is movably connected to the tee pipe (1) through a bearing. The slider (303) is threadedly connected to the lead screw (302), and one side of the slider (303) is fixedly connected to the baffle plate (304). The top end and the bottom end of the vertical rod (305) are respectively fixedly connected to the slider (303) and the convex block (306).

2. The urea commutation valve structure according to claim 1, characterized in that: A limiting plate (308) is fixedly connected to the bottom end of the convex block (306). Two limiting rods (307) are movably arranged on the limiting plate (308), and the top ends of the two limiting rods (307) are fixedly connected to the tee pipe (1).

3. The urea commutation valve structure according to claim 1, characterized in that: Two limiting rings (309) are fixedly sleeved on the lead screw (302), and the two limiting rings (309) are respectively located at the top and the bottom of the slider (303).

4. The urea reversing valve structure according to claim 1, characterized in that: A first gasket (310) is fixedly connected to one side of the baffle plate (304), and one side of the first gasket (310) is in contact with the partition plate (4).

5. The urea commutation valve structure according to claim 1, characterized in that: A second gasket (311) is fixedly sleeved on the outer side of the convex block (306), and the outer side of the second gasket (311) is in contact with the tee pipe (1).

6. The urea commutation valve structure according to claim 1, characterized in that: A threaded ring (5) is movably arranged on the side of the lead screw (302) away from the partition plate (4), and the threaded ring (5) is fixedly installed in the tee pipe (1). A filtering component is arranged on one side of the threaded ring (5). The filtering component includes a connector (6) and an activated carbon plate (7).

7. The urea commutation valve structure according to claim 1, characterized in that: The connector (6) is threadedly connected to the threaded ring (5), and one end of the connector (6) is fixedly connected to the activated carbon plate (7).

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