Novel three-way structure

Abstract

The utility model relates to the technical field of heavy-duty car bottom plate heating pipe fittings, and particularly discloses a novel three-way structure which comprises a three-way pipe body and a disc, a rotating shaft is vertically and rotatably installed in the middle of the three-way pipe body, the disc is installed on the rotating shaft, and the disc rotates in the three-way pipe body to selectively communicate with or close an outlet of the three-way pipe body. The upper portion of the rotating shaft is connected with a limiting piece, one side of the limiting piece is connected with an operating handle, a limiting bolt is installed on the limiting piece, and a limiting gasket is installed at the bottom of the limiting bolt and abuts against the outer wall of the three-way pipe body to position the limiting piece and the operating handle. By the adoption of the technical scheme of the large box bottom plate heating tee joint, the weight of parts is effectively reduced, the arrangement direction of connecting pipelines is optimized, the occupied space of chassis arrangement is reduced, after-sale operation convenience is improved, product adaptability is high, safety is excellent, and the large box bottom plate heating tee joint meets the requirements of whole-series bottom plate heating products in domestic and export markets.

Description

Technical Field

[0001] This utility model relates to the technical field of heating pipes for heavy-duty vehicle floor plates, specifically to a novel three-way structure. Background Technology

[0002] Heavy-duty vehicle floor heating systems are designed to provide effective heating solutions to meet specific transportation needs, such as antifreeze and insulation. A typical heavy-duty vehicle floor heating system includes key components such as a heating element, a circulation channel, and a controller. The heating element heats the medium, the circulation channel allows the heated medium to exchange heat with the floor, and the controller monitors the ambient temperature and controls the heating process. Working principle: The heating element heats the medium and introduces it into the circulation channel. Heat is exchanged with the floor as the medium enters the channel, achieving the heating effect. The controller adjusts the heating temperature of the heating element according to the ambient temperature to reduce energy consumption and improve the vehicle's range. This system is particularly suitable for winter operations or transporting easily frozen materials such as asphalt and heavy oil. It not only meets antifreeze and insulation requirements but also allows for control of the heating system's operating status via a switch, adapting to different seasons and needs.

[0003] There is a strong demand for heated floor panels on heavy-duty commercial dump trucks, especially for models designed for cold regions where it is standard equipment. Currently, the three-way structure used for exhaust flow reversal in heated floor panel models suffers from issues such as heavy weight, unattractive appearance, and inconvenient operation. To address these problems, it is necessary to innovate the three-way structure, optimize the product appearance, and improve operational convenience, thus facilitating the transformation and upgrading of heated floor panel dump truck models.

[0004] Therefore, it is necessary to invent a new type of three-way structure for dump trucks with heated floor panels to solve the problems of large weight, high cost, poor appearance, and inconvenient operation of the three-way assembly components in current dump trucks with heated floor panels. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of this utility model is to provide a new type of three-way structure.

[0006] The technical solution adopted by this utility model to solve its technical problem is: a novel three-way structure, including a three-way pipe body and a disc, wherein a rotating shaft is vertically rotatably installed in the middle of the three-way pipe body, and a disc is installed on the rotating shaft. The disc rotates inside the three-way pipe body to selectively connect or close the outlet of the three-way pipe body. A limiting plate is connected to the upper part of the rotating shaft, and an operating handle is connected to one side of the limiting plate. A limiting bolt is installed on the limiting plate, and a limiting washer is installed at the bottom of the limiting bolt. The limiting washer presses against the outer wall of the three-way pipe body to position the limiting plate and the operating handle.

[0007] Preferably, the three-way pipe body adopts a "T" shaped structure, with the air inlet in the middle of the three-way pipe body, an air inlet flange on the outside of the air inlet, the air inlet flange being a round flange, the air inlet flange being connected to the air inlet pipe by a clamp, and the exhaust port on the right side of the three-way pipe body, an exhaust port flange on the outside of the exhaust port, the exhaust port flange being a round flange, the exhaust port flange being connected to the exhaust pipe by a clamp.

[0008] Preferably, the left side of the three-way pipe body is provided with a bottom plate heating flange, which is a square flange and is connected to the air inlet of the bottom plate heating by bolts.

[0009] Preferably, an open-shaped baffle is installed in the middle of the three-way pipe body, and airflow baffles are installed inside the three-way pipe body and on both sides of the open-shaped baffle. The open-shaped baffle, airflow baffle and three-way pipe body adopt an integrated structure. The gas in the inlet enters the exhaust port or the air inlet of the bottom plate heating through the two sides of the open-shaped baffle and the airflow baffle.

[0010] Preferably, a through hole is provided on the inner side of the open baffle and at the middle connection position of the three-way pipe. A rotating shaft is inserted into the through hole, and a disc is located on the outer side of the open baffle. The disc adopts a semi-elliptical structure and swings with the rotating shaft to block the exhaust port side or the air inlet side of the bottom plate heating.

[0011] Preferably, the limiting plate is provided with an arc-shaped limiting groove, a limiting bolt passes through the arc-shaped limiting groove, a limiting locking spring passes through the limiting bolt, and a wing nut is threaded onto the limiting bolt. Tightening the wing nut compresses the limiting locking spring.

[0012] Preferably, a rotating shaft washer is fitted onto the rotating shaft, and the rotating shaft washer is located between the limiting piece and the tee tube.

[0013] This utility model has the following beneficial effects:

[0014] The airflow direction inside the three-way structure of this utility model is optimized to an "obtuse angle", and the internal multi-channel transition structure is all arc-shaped transition, which makes the gas flow smoother and more fluid, reduces exhaust resistance, and helps to reduce the fuel consumption of the whole vehicle.

[0015] The novel three-way structure designed in this utility model is more than 30% lighter than existing products. With optimized flow field, it is even lighter and requires less raw materials, thus having the advantages of energy saving and consumption reduction.

[0016] The novel T-junction structure designed in this utility model has higher production efficiency. The T-junction body is integrally formed by mold, eliminating the need for external welding, resulting in higher production efficiency, lower product cost, and better competitiveness.

[0017] The novel three-way structure designed in this utility model is more convenient to operate. It can switch the airflow direction of the three-way without the need for tools such as wrenches, and the convenience and safety of after-sales use are greatly improved. The airflow direction can be switched quickly, which can achieve rapid operation and has the advantage of improving work efficiency.

[0018] The novel T-junction structure designed in this utility model has high safety. The operating handle is a non-metallic structure and is led to the outside of the T-junction through a metal connecting rod, realizing contactless hand operation. It can be operated safely in high-temperature environments of the T-junction and has the function of preventing burns. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the new type of three-way structure. Figure 1 .

[0020] Figure 2 This is a schematic diagram of the new type of three-way structure. Figure 2 .

[0021] Figure 3 This is a schematic diagram of the new type of three-way structure. Figure 3 .

[0022] Figure 4 This is a front view of the air inlet side of the new three-way structure.

[0023] Figure 5 This is a schematic diagram of the mounting structure of the disc and the rotating shaft.

[0024] In the diagram: 1-Base plate heating flange; 2-T-pipe body; 3-Limiting plate; 4-Wing nut; 5-Limiting bolt; 6-Operating handle; 7-Exhaust port flange; 8-Limiting gasket; 9-Limiting locking spring; 10-Rotating shaft gasket; 11-Disc; 12-Rotating shaft; 13-Inlet flange; 14-Airflow baffle; 15-Open baffle. Detailed Implementation

[0025] The technical solutions of the present utility model will be described in further detail below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0026] like Figures 1-5As shown, a novel tee structure includes a tee body 2, a limiting plate 3, a limiting bolt 5, an operating handle 6, a disc 11, and a rotating shaft 12. The rotating shaft 12 is vertically rotatably mounted in the middle of the tee body 2. The disc 11 is mounted on the rotating shaft 12. The disc 11 rotates inside the tee body 2 to select whether to connect or close the outlet of the tee body 2. The limiting plate 3 is connected to the upper part of the rotating shaft 12. The operating handle 6 is connected to one side of the limiting plate 3. The limiting bolt 5 is mounted on the limiting plate 3. The limiting gasket 8 is mounted at the bottom of the limiting bolt 5. The limiting gasket 8 presses against the outer wall of the tee body 2 to position the limiting plate 3 and the operating handle 6.

[0027] The tee body 2 adopts a "T" shaped structure. The middle part of the tee body 2 is the air inlet. An air inlet flange 13 is provided on the outside of the air inlet. The air inlet flange 13 is a round flange. The air inlet flange 13 is connected to the air inlet pipeline by a clamp. The right side of the tee body 2 is the exhaust port. An exhaust port flange 7 is provided on the outside of the exhaust port. The exhaust port flange 7 is a round flange. The exhaust port flange 7 is connected to the exhaust pipeline by a clamp.

[0028] The left side of the three-way pipe body 2 is provided with a base plate heating flange 1. The base plate heating flange 1 is a square flange, and the base plate heating flange 1 is connected to the air inlet of the base plate heating through four bolts.

[0029] An open baffle 15 is installed in the middle of the three-way pipe body 2. Airflow baffles 14 are installed inside the three-way pipe body 2 and on both sides of the open baffle 15. The open baffle 15, the airflow baffles 14 and the three-way pipe body 2 adopt an integrated structure. The gas in the inlet enters the exhaust port or the air inlet of the bottom plate heating through the two sides of the open baffle 15 and the airflow baffles 14.

[0030] An opening-shaped baffle 15 is provided on the inner side and at the middle connection position of the three-way pipe 2. A rotating shaft 12 is inserted into the opening-shaped baffle 15. A sealing ring is provided at the connection between the rotating shaft 12 and the three-way pipe 2. The disc 11 is located on the outer side of the opening-shaped baffle 15. The disc 11 adopts a semi-elliptical structure. The disc 11 swings with the rotating shaft 12 to block the exhaust port side or the air inlet side of the bottom plate heating.

[0031] The limiting plate 3 is provided with an arc-shaped limiting groove, the limiting bolt 5 passes through the arc-shaped limiting groove, the limiting bolt 5 is provided with a limiting locking spring 9, the limiting bolt 5 is threaded with a wing nut 4, the wing nut 4 is tightened to compress the limiting locking spring 9, and the limiting locking spring 9 cooperates with the limiting washer 8 to lock the limiting plate 3.

[0032] A rotating shaft washer 10 is fitted on the rotating shaft 12, and the rotating shaft washer 10 is located between the limiting piece 3 and the three-way tube 2.

[0033] The working principle of this utility model:

[0034] The three-way pipe 2 has a "T" shape, which meets the requirements of smooth, safe, and sealed airflow. The airflow enters from the middle of the "T" shape and flows out to both sides, effectively ensuring that the airflow reaches the underbody heating or exhaust port positions at an equal distance, which helps to reduce back pressure and overall vehicle fuel consumption. The air intake is located in the middle position, and the underbody heating and ordinary exhaust ports are located on both sides. The semi-elliptical disc 11 is reversed by rotating the operating handle 6 in the middle. The three-way assembly consists of 15 parts. The air inlet of the base plate heating is connected to the base plate heating flange 1 using a square flange connection structure, and is secured with four bolts. The three-way pipe body 2, the open baffle 15, and the airflow baffle 14 are integrated as a whole, forming a single structure with the internal piping. A hole needs to be drilled at the connection point in the middle of the piping. The rotating shaft 12 passes through the hole and connects to the piping. Inside the piping, the rotating shaft 12 cooperates with the disc 11. The rotation of the internal disc 11 is limited by the external component limiting gasket 8, the limiting locking spring 9, the rotating shaft gasket 10, the limiting plate 3, the wing nut 4, and the limiting bolt 5, which also limits the operation. The operating handle 6 has a range of motion. The function of the operating handle 6 is to control the rotation of the internal disc 11. Under normal conditions, the operating handle 6 is in the upper position, and gas enters the pipeline through the air inlet. At this time, the internal disc 11 is close to the bottom plate heating area, the air outlet channel is open, and the gas is discharged through the three-way pipe 2 and the exhaust port flange 7. When the operating handle 6 is swung to the lower position, the limiting pad 8 and the limiting plate 3 play their role, restricting the operating handle 6 to the lower position. At this time, the internal disc 11 swings to the position close to the exhaust port, the air inlet is connected to the bottom plate heating part, the exhaust function is closed, and the bottom plate heating function is activated.

[0035] The use of a standard flange for the base plate heating flange 1 ensures reliable and stable connection with the base plate heating module, while the use of round flanges for the air inlet and outlet facilitates after-sales service. The specific limiting mechanism is achieved through the limiting bolt 5, the wing nut 4, and the limiting locking spring 9. The operating handle 6, disc 11, and rotating shaft 12 are integrated. Clockwise rotation of the wing nut 4 applies force to the limiting locking spring 9, causing it to compress downwards and lock the integrated operating handle 6, thus achieving a fixed limiting effect. Calculations show that the placement of the limiting plate 3 and the operating handle 6 optimizes the operator's hand position relative to the exhaust flange 7, effectively preventing burns from the exhaust flange 7's airflow. The rotating shaft 12 penetrates the pipeline through a through hole and connects to a gasket on the opposite side. The pointed end has a longitudinally perforated structure with an inserted pin for fixing and limiting, preventing lateral swinging. The disc 11 is designed with an elliptical structure. When the rotating shaft 12 is in contact with the open baffle 15, the operating handle 6 is rotated to the maximum position. The elliptical structure can fit tightly with the inner tube wall, ensuring the airtightness of the gas and eliminating the risk of leakage. Furthermore, when rotating the operating handle 6, the elliptical structure will not scrape against the inner wall, effectively avoiding the risk of internal interference and collision.

[0036] The elliptical disc 11 used in the internal pipeline of the tee is at a certain angle to the air intake direction when it is opened or closed, which gives the gas a certain guiding effect, greatly optimizing the gas flow and guidance, shortening the gas flow time in the tee pipe body 2, and enabling it to flow to the outlet or the bottom plate heating system on the opposite side at a faster speed; the external operating mechanism of the rotating shaft 12 adopts a curved design structure, which reduces the labor intensity of the operator.

[0037] The new three-way structure adopts a linkage rotating shaft 12, which is located radially at the intersection of the three-way. This arrangement ensures that the semi-elliptical reversing disc 11 forms an acute angle with the two surfaces that need to be sealed. The angle is less than 90°, which can realize the rapid switching of the airflow direction of the three-way. The small angle design can realize rapid opening and closing. The external operating handle 6 is limited and guided on the limiting plate by a curved limiting groove, which makes it convenient to operate and can effectively prevent errors.

[0038] The new three-way structure adopts a semi-elliptical reversing disc 11, in which the area of ​​the semi-elliptical disc 11 is the same as the cross-sectional area of ​​the pipe body, realizing obtuse angle guidance of airflow, without abrupt changes in cross-section, which can achieve smoother and more uniform gas flow, without any impact on exhaust resistance, and is conducive to improving the fuel consumption of the product.

[0039] The new tee structure uses round and square flanges. Different types of flange structures can simultaneously ensure the universality, sealing and reliability of pipeline connections. Round flanges are easy to connect, highly versatile and convenient for after-sales operation; square flanges have high reliability and good sealing when heated to the base plate.

[0040] The new three-way structure adopts a limiting device of wing nut 4. When the reversing disc 11 rotates to the required position, the interaction between the wing nut 4 and the bottom limiting locking spring 9 ensures that the disc 11 does not loosen under the impact of high temperature airflow. Through the internal and external linkage structure, the product's limiting and effective function are guaranteed.

[0041] This utility model is not limited to the above-described embodiments. Anyone should know that any structural changes made under the guidance of this utility model, and any technical solutions that are the same as or similar to this utility model, fall within the protection scope of this utility model.

[0042] The technologies, shapes, and structures not described in detail in this utility model are all known technologies.

Claims

1. A novel tee structure, characterized in that, The device includes a three-way pipe body and a disc. A rotating shaft is vertically mounted in the middle of the three-way pipe body, and a disc is mounted on the rotating shaft. The disc rotates inside the three-way pipe body to select whether to connect or close the outlet of the three-way pipe body. A limiting plate is connected to the upper part of the rotating shaft, and an operating handle is connected to one side of the limiting plate. A limiting bolt is mounted on the limiting plate, and a limiting washer is mounted at the bottom of the limiting bolt. The limiting washer presses against the outer wall of the three-way pipe body to position the limiting plate and the operating handle.

2. The novel tee structure according to claim 1, characterized in that, The three-way pipe body adopts a "T" shaped structure. The middle part of the three-way pipe body is the air inlet, and an air inlet flange is provided on the outside of the air inlet. The air inlet flange is a round flange, and the air inlet flange is connected to the air inlet pipe by a clamp. The right side of the three-way pipe body is the exhaust port, and an exhaust port flange is provided on the outside of the exhaust port. The exhaust port flange is a round flange, and the exhaust port flange is connected to the exhaust pipe by a clamp.

3. The novel tee structure according to claim 2, characterized in that, The left side of the three-way pipe is provided with a base plate heating flange. The base plate heating flange is a square flange and is connected to the air inlet of the base plate heating by bolts.

4. The novel tee structure according to claim 3, characterized in that, An open baffle is installed in the middle of the three-way pipe body. Airflow baffles are installed inside the three-way pipe body and on both sides of the open baffle. The open baffle, airflow baffle and three-way pipe body adopt an integrated structure. The gas in the inlet enters the exhaust port or the inlet of the bottom plate heating through the two sides of the open baffle and the airflow baffle.

5. The novel tee structure according to claim 4, characterized in that, A through hole is provided on the inner side of the open baffle and at the middle connection position of the three-way pipe. A rotating shaft is inserted into the through hole. The disc is located on the outer side of the open baffle. The disc adopts a semi-elliptical structure. The disc swings with the rotating shaft to block the exhaust port side or the air inlet side of the bottom plate heating.

6. The novel tee structure according to claim 1, characterized in that, The limiting plate is provided with an arc-shaped limiting groove, a limiting bolt passes through the arc-shaped limiting groove, a limiting locking spring passes through the limiting bolt, and a wing nut is threaded onto the limiting bolt. Tightening the wing nut compresses the limiting locking spring.

7. The novel tee structure according to claim 1, characterized in that, A rotating shaft washer is fitted onto the rotating shaft, and the rotating shaft washer is located between the limiting piece and the three-way tube body.

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