Engine water pump water inlet pipe structure

Abstract

The utility model relates to an engine water pump water inlet pipe structure belongs to engine spare part technical field, it includes the pipe body, the head and / or tail inboard of pipe body is equipped with the rotation barrier piece, the rotation barrier piece size is adapted with the inside passage of pipe body, the rotation barrier piece is equipped with the rotary lever radially, and the rotary lever both ends exceed the pipe body, can rotate the operation through the rotary lever and drive the rotation barrier piece to make the rotation barrier piece and the pipe body extension direction perpendicular or parallel. The utility model is favorable to solve the problem that the existing technology needs to discharge coolant when replacing the joint, realizes the convenient operation of replacing the joint without discharging the coolant.

Description

Technical Field

[0001] This utility model belongs to the field of engine component technology, and in particular relates to an engine water pump inlet pipe. Background Technology

[0002] In existing diesel engine water pump inlet pipe structures, multiple welded joints or plugs are used to install connectors or end caps to integrate multiple return water paths. When coolant is present inside the engine and the end caps need to be removed for connector replacement, the lack of an effective coolant-blocking structure forces operators to drain all the coolant. This process is extremely cumbersome when replacing end caps in batches of engines, increasing operation time and labor costs. Therefore, there is an urgent need for an engine water pump inlet pipe structure that allows for convenient connector replacement without draining the coolant. Utility Model Content

[0003] This utility model aims to provide an engine water pump inlet pipe structure. By setting a rotatable baffle and a rubber ring sealing structure inside the head and tail of the water pump inlet pipe, it solves the problem of needing to drain coolant when replacing the connector in the prior art, and realizes the convenient operation of replacing the connector without draining coolant.

[0004] To achieve the above objectives, the present invention provides an engine water pump inlet pipe structure, including a pipe body, wherein a rotating baffle is provided on the inner side of the head and / or tail of the pipe body, the size of the rotating baffle is adapted to the internal channel of the pipe body, and a rotating rod is provided radially on the rotating baffle, the two ends of the rotating rod extending beyond the pipe body, and the rotating baffle can be rotated by the rotating rod so that the rotating baffle is perpendicular or parallel to the extension direction of the pipe body.

[0005] Preferably, a rubber ring is provided around the outer circumference of the rotating barrier. When the rotating barrier is rotated to be perpendicular to the extension direction of the tube body, the rubber ring tightly adheres to the inner wall of the tube body to form a seal.

[0006] Preferably, the rubber ring is made of a rubber material that is resistant to coolant corrosion.

[0007] Preferably, the end of the rotating rod extending beyond the tube body is provided with a rotating handle.

[0008] Preferably, the rotating rod and the rotating handle are connected by a tapered thread, and sealant is applied to the threaded hole.

[0009] Preferably, the rotating rod passes through the tube body, and the tube body has a sealing structure at the opening.

[0010] Preferably, the rotating barrier sheet has a sheet-like structure.

[0011] Preferably, the tube body is provided with a connector and a plug.

[0012] In summary, this utility model has the following beneficial technical effects:

[0013] This utility model has a simple external structure. Under normal operating conditions, the rotating baffle is parallel to the pipe body, allowing the coolant to flow smoothly within the pipe body without interference from the baffle, ensuring stable operation of the engine cooling system. When it is necessary to replace the connector, the rotating handle is used to connect the rotating rod through the pipe body to the internal rotating baffle, rotating the baffle 90° to make it perpendicular to the pipe body. At this time, the rotating baffle completely blocks the coolant flow channel within the pipe body, preventing the coolant from continuing to flow. A rubber ring is installed around the outer circumference of the rotating baffle. When the rotating baffle is rotated to a perpendicular position to the pipe body, the rubber ring tightly fits against the inner wall of the pipe body, forming a good seal and preventing coolant leakage from the gap between the baffle and the pipe body. This effectively blocks the coolant flow, allowing for operations such as connector replacement without draining the coolant. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of an engine water pump inlet pipe according to the present invention.

[0015] Figure 2 This diagram shows the position of the rotating barrier assembly inside the tube, the parallel relationship between the rotating barrier and the tube, and the installation position of the rubber ring.

[0016] Figure 3 This diagram shows the rotating baffle plate rotated 90° to a vertical position, highlighting how the rotating baffle plate blocks the coolant passage and the sealing fit between the rubber ring and the inner wall of the tube.

[0017] Reference numerals: 1. Rotating handle; 2. Tube body; 3. Rotating baffle; 4. Rubber ring; 5. Rotating rod; 6. Connector; 7. End cap. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] This utility model discloses an engine water pump inlet pipe structure, aiming to solve the problem of needing to drain coolant when replacing the water pump inlet pipe connector 6 in the prior art, simplifying the replacement operation process, improving the efficiency of maintenance and repair, and ensuring the stability and reliability of the engine cooling system. The engine water pump inlet pipe structure of this utility model mainly includes key components such as the pipe body 2, the rotating baffle assembly, the rotating handle 1, the connector 6, the end cap 7, and the rotating rod 5.

[0020] The tube body 2, as the basic component of the entire inlet pipe structure, forms a channel for coolant circulation. Rotary baffle assemblies are installed on the inner walls of the head and tail of the tube body 2. These assemblies consist of a rotating baffle 3 and a rubber ring 4. The rotating baffle 3 has a sheet-like structure, its dimensions precisely fitted to the internal channels of the tube body 2, ensuring a tight fit against the inner wall and effectively blocking coolant flow when necessary. A rotating rod 5 is radially mounted on the rotating baffle 3, with both ends extending beyond the tube body 2, and a rotating handle 1 is attached to the extended ends. The rotating handle 1 connects to the rotating baffle 3 via the rotating rod 5, allowing the operator to easily control the rotation angle of the rotating baffle 3 within the tube body 2, switching between coolant flow and blockage. The rotating rod 5 penetrates the tube body 2, which has a sealing structure at the opening. The rotating rod 5 and the rotating handle 1 are connected by a tapered thread, with sealant applied to the threaded hole to effectively prevent coolant leakage.

[0021] A rubber ring 4 is arranged around the outer circumference of the rotating baffle 3. The rubber ring 4 is made of a material with good elasticity and sealing properties, such as a rubber material that is resistant to coolant corrosion. When the rotating baffle 3 is rotated to a position perpendicular to the extension direction of the tube body 2, the rubber ring 4 can fit tightly against the inner wall of the tube body 2, forming a reliable seal and ensuring that the coolant does not leak from the baffle, thereby maintaining the stability of the coolant in the system during operations such as replacing the connector 6.

[0022] Rotating handle 1 90° around the rotating rod 5 causes the rotating baffle 3 to rotate around the rod 5. During normal engine operation, the plane of the rotating baffle 3 is parallel to the extension direction of the pipe body 2, allowing the coolant to flow smoothly within the pipe body 2 without interference from the baffle, ensuring stable operation of the engine cooling system. When replacing the connector 6 on the inlet pipe, the operator simply rotates the external handle 1, rotating the rotating baffle 3 90° so that its plane is perpendicular to the extension direction of the pipe body 2. At this point, the rotating baffle 3 completely blocks the coolant flow channel within the pipe body 2, preventing further coolant flow. The rubber ring 4 provides a seal, allowing for safe replacement of connector 6 or other types of connector 6 without draining the coolant. After the operation, rotating handle 1 is turned again to return the rotating baffle 3 to its parallel position, restoring normal coolant flow.

[0023] In addition, the inlet pipe structure 2 is equipped with a connector 6 and a plug 7. The connector 6 is used to connect the engine water pump inlet pipe to other related components, ensuring the normal circulation of coolant within the system. The plug 7 is used to seal the connector 6 when needed. For example, during the replacement of the connector 6, the plug 7 is first installed at the connector 6 to prevent coolant leakage. After the replacement is completed, the new connector 6 is then connected to the corresponding position to achieve system sealing and normal operation.

[0024] This invention effectively solves the problem of coolant drainage required when replacing connector 6 in existing technologies by incorporating a rotatable baffle 3 and a rubber ring 4 sealing structure inside the water inlet pipe, without altering the overall structural layout and installation method of the water inlet pipe. Its simple structure and convenient operation significantly reduce operating costs and improve maintenance efficiency, making it highly practical and valuable for widespread application in the improvement and design of water pump inlets for various engines.

[0025] In the specific implementation process, firstly, mounting holes for installing the rotating rod 5 are opened at corresponding positions inside the head and tail of the water pump inlet pipe body 2. The rotating baffle 3 is installed inside the pipe body 2 by welding the rotating rod 5, ensuring that the rotating baffle 3 can rotate flexibly around the rotating rod 5. Next, a rubber ring 4 is installed around the outer circumference of the rotating baffle 3. After installation, it is necessary to ensure that the rotating baffle 3 rotates freely inside the pipe body 2 and that the rubber ring 4 fits tightly against the inner wall of the pipe body 2.

[0026] A rotating handle 1 is installed at the end of the rotating rod 5 on the outside of the pipe body 2, and the rotating handle 1 is connected to the internal rotating baffle 3 through the rotating rod 5. In this way, the operator can control the rotation angle of the rotating baffle 3 inside the pipe body 2 by simply rotating the rotating handle 1, realizing convenient switching between coolant flow and blockage, meeting various needs of the engine water pump inlet pipe in actual use, and also providing great convenience for the maintenance and upkeep of the engine cooling system.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A water inlet pipe structure for an engine water pump, characterized in that, The tube includes a tube body (2), and a rotating baffle (3) is provided on the inner side of the head and / or tail of the tube body (2). The size of the rotating baffle (3) is adapted to the internal channel of the tube body (2). The rotating baffle (3) is provided with a rotating rod (5) in the radial direction. The two ends of the rotating rod (5) extend beyond the tube body (2). The rotating baffle (3) can be rotated by the rotating rod (5) so that the rotating baffle (3) is perpendicular or parallel to the extension direction of the tube body (2).

2. The engine water pump inlet pipe structure according to claim 1, characterized in that, The rotating barrier (3) has a rubber ring (4) around its outer circumference. When the rotating barrier (3) is rotated to be perpendicular to the extension direction of the tube body (2), the rubber ring (4) tightly fits against the inner wall of the tube body (2) to form a seal.

3. The engine water pump inlet pipe structure according to claim 2, characterized in that, The rubber ring (4) is made of rubber material that is resistant to coolant corrosion.

4. The engine water pump inlet pipe structure according to claim 3, characterized in that, The rotating rod (5) has a rotating handle (1) at the end that extends beyond the tube body (2).

5. The engine water pump inlet pipe structure according to claim 4, characterized in that, The rotating rod (5) and the rotating handle (1) are connected by a tapered thread, and sealant is applied to the threaded hole.

6. The engine water pump inlet pipe structure according to claim 4, characterized in that, The rotating rod (5) passes through the tube body (2), and the tube body (2) has a sealing structure at the opening.

7. The engine water pump inlet pipe structure according to claim 4, characterized in that, The rotating barrier (3) has a sheet-like structure.

8. The engine water pump inlet pipe structure according to claim 4, characterized in that, The tube body (2) is provided with a connector (6) and a plug (7).

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