CN218376651U

CN218376651U - Engine water inlet pipe

Info

Publication number: CN218376651U
Application number: CN202222722077.2U
Authority: CN
Inventors: 陈鑫益; 徐琴; 舒咏强; 邓礼建
Original assignee: Dongfeng Cummins Engine Co Ltd
Current assignee: Dongfeng Cummins Engine Co Ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-01-24
Anticipated expiration: 2032-10-17

Abstract

The utility model discloses an engine water inlet pipe, which comprises an L-shaped water pipe body with a six-way interface, wherein the end part of the long edge of the water pipe body is provided with a whole water tank interface, the long edge of the water pipe body is fixedly connected with a tee joint with an end cap and a warm air backwater joint in a sealing way, and the tee joint with the end cap is provided with a urea heating backwater quick connector and a fuel heating backwater interface; the oil cooler is characterized in that an oil cooler connector is arranged at the end part of the short edge of the water pipe body, a thermostat manifold connector is arranged on the water pipe body on one side of the oil cooler connector, and an auxiliary water tank water return connector is fixedly connected to the short edge of the water pipe body in a sealing mode. The utility model discloses integrated fuel heating return water joint, the urea heating return water joint that get return water row and insert in engine cooling lubricating system, compact structure is favorable to reducing the engine cost, is favorable to arranging of whole car pipeline.

Description

Engine water inlet pipe

Technical Field

The utility model relates to an engine cooling and lubrication system field, concretely relates to engine inlet tube.

Background

The engine inlet tube is one of automobile engine's important pipeline, and at present when designing engine cooling system, the engine inlet tube requires to have the interface with whole car water tank, with the interface of whole car auxiliary water tank, the interface that leads to machine oil cooler to and the interface that leads to the thermostat, but the engine inlet tube can reserve different interfaces according to customer's requirement, for example needs warm braw return water mouth, fuel heating return water mouth, urea heating return water mouth. The existing engine water inlet pipe cannot meet the requirement, so that a multi-joint engine water inlet pipe needs to be designed.

SUMMERY OF THE UTILITY MODEL

To exist not enough among the prior art, the utility model aims at designing an engine inlet tube, integrated the fuel heating return water joint, the urea heating return water joint that the return water row inserted in engine cooling lubricating system, compact structure is favorable to reducing the engine cost, is favorable to putting in order arranging of car pipeline.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

an engine water inlet pipe comprises an L-shaped water pipe body with a six-way connector, wherein a finished water tank connector is arranged at the end part of the long side of the water pipe body, a tee joint with a plug and a warm air return water connector are fixedly connected to the long side of the water pipe body in a sealing mode, and a urea heating return water quick insertion port and a fuel heating return water connector are arranged on the tee joint with the plug; the oil cooler is characterized in that an oil cooler connector is arranged at the end part of the short edge of the water pipe body, a thermostat manifold connector is arranged on the water pipe body on one side of the oil cooler connector, and an auxiliary water tank water return connector is fixedly connected to the short edge of the water pipe body in a sealing mode.

Preferably, the interface of the whole vehicle water tank is of a corrugated bulge structure and is used for being connected with a water outlet rubber pipe of the whole vehicle water tank.

Preferably, the oil cooler interface is arranged in a seal groove flange surface structure, the oil cooler can be installed on the oil cooler through an installation hole and a bolt on the flange surface, and a special-shaped seal ring is arranged in the seal groove.

Preferably, the warm air backwater joint is a straight joint, and a connector of the straight joint connected with the water pipe body is provided with a straight thread, a hexagonal flange structure and an O-shaped sealing ring.

Preferably, the connector of the tee joint with the plug, which is connected with the water pipe body, is provided with straight threads, a hexagonal flange structure and an O-shaped sealing ring.

Preferably, the auxiliary water tank backwater joint is an elbow joint, and a connector of the elbow joint connected with the water pipe body is provided with a straight thread, a hexagonal flange structure and an O-shaped sealing ring.

Preferably, the interfaces of the warm air return water joint and the auxiliary water tank return water joint connected with the whole vehicle are provided with bulge structures.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model designs a structure with a plurality of joints on one side, one side is connected with a water tank, the other side is connected with an oil cooler, a thermostat and an auxiliary water tank, and integrates a fuel heating return water joint, a urea heating return water joint and a warm air return water joint which are taken back water row insertion in an engine cooling and lubricating system, the structure is compact, the engine cost is reduced, and the arrangement of the whole vehicle pipeline is facilitated; the joints are bulge structure joints or quick-plugging joints, and the sealing performance is good.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the right-side view structure of the present invention.

Fig. 3 is a schematic bottom view of the present invention.

Fig. 4 is a schematic view of a part a of fig. 1.

Reference numerals: 1. a water pipe body; 2. a finished automobile water tank interface; 3. a three-way joint with a plug; 4. a warm air return water joint; 5. an engine oil cooler interface; 6. a return water joint of the auxiliary water tank; 7. a thermostat manifold interface; 8. a special-shaped sealing ring.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

As shown in fig. 1-4, the utility model provides an engine water inlet pipe, including water pipe body 1, whole car water tank interface 2, take end cap three way connection 3, warm braw return water joint 4, machine oil cooler interface 5, auxiliary water tank return water joint 6 and thermostat manifold interface 7.

In this embodiment, the water pipe body 1 is an L-shaped water pipe body 1 having a six-way connection, and corresponds to the vehicle water tank connection 2, the three-way connection 3 with the plug, the warm air return connection 4, the engine oil cooler connection 5, the auxiliary water tank return connection 6, and the thermostat manifold connection 7 one by one. The end part of the long edge of the water pipe body 1 is provided with a finished automobile water tank interface 2, the long edge of the water pipe body 1 is fixedly connected with a tee joint 3 with a plug and a warm air backwater joint 4 in a sealing manner, and the tee joint 3 with the plug is provided with a urea heating backwater quick-plugging interface and a fuel heating backwater interface; the end part of the short edge of the water pipe body 1 is provided with an engine oil cooler connector 5, the water pipe body 1 on one side of the engine oil cooler connector 5 is provided with a thermostat manifold connector 7, and the short edge of the water pipe body 1 is fixedly connected with an auxiliary water tank water return connector 6 in a sealing mode.

The finished automobile water tank connector 2 is of a corrugated bulge structure and is used for being connected with a water outlet rubber pipe of a finished automobile water tank. The clamp is pressed on the inner side of the bulge, the bulge surface of the bulge is pressed with the inner wall of the rubber tube to ensure sealing, and meanwhile, the friction force between the rubber tube and the tube body is increased to a certain degree by the corrugated structure, so that the anti-falling effect is further achieved.

The oil cooler interface 5 is arranged in a seal groove flange surface structure, can be mounted on the oil cooler through mounting holes and bolts on the flange surface, and is internally provided with a special-shaped seal ring 8. In the process of screwing the bolt, the special-shaped sealing ring 8 (2) is compressed, and the maximum radial dimension is increased after extrusion deformation to be in contact with the wall of the sealing groove to form a complete sealing path, so that the cooling liquid in the pipe body is effectively sealed;

the thermostat manifold port 7 is used for connecting a water delivery manifold of the thermostat seat, and cooling liquid flowing into the water tank of the whole vehicle flows to the thermostat shell through the port.

The warm air backwater joint 4 is a straight joint, and a joint of the warm air backwater joint and the water pipe body 1 is provided with straight threads, a hexagonal flange structure and an O-shaped sealing ring. The O-shaped sealing ring further enhances the sealing performance of the thread, and the hexagonal flange structure is convenient for the installation of the joint; the interface that warm braw return water joint 4 and whole car are connected has the bulge structure, and the rubber tube cover of whole car is on this interface to compress tightly the inboard of bulge through the bolt clamp, form sealed route through the contact of bulge and rubber tube inner wall, also possess the anticreep function when reaching sealed effect.

The connector of the tee joint 3 with the plug connected with the water pipe body 1 is provided with straight threads, a hexagonal flange structure and an O-shaped sealing ring. The O-shaped sealing ring further enhances the sealing performance of the thread, and the hexagonal flange structure is convenient for the installation of the joint. The three-way connector 3 with the plug is provided with the plug, so that the requirements of pipeline interfaces of different vehicle types can be matched conveniently. The joint of taking end cap three way connection 3 to be connected with whole car is quick connector, is convenient for the dismouting when guaranteeing the leakproofness.

The auxiliary water tank backwater joint 6 is an elbow joint, and a joint of the auxiliary water tank backwater joint and the water pipe body 1 is provided with a straight thread, a hexagonal flange structure and an O-shaped sealing ring. The interface that auxiliary water tank return water joint 6 and whole car are connected has the bulge structure, and the rubber tube cover of whole car is on this interface to compress tightly the inboard of bulge through the bolt clamp, form sealed route through the contact of bulge and rubber tube inner wall, also possess the anticreep function when reaching sealed effect.

The utility model designs a structure with a plurality of joints on one side, one side is connected with a water tank, one side is connected with an oil cooler, a thermostat and an auxiliary water tank, and a fuel heating return water joint, a urea heating return water joint and a warm air return water joint which are used for taking a return water row and inserting in an engine cooling and lubricating system are integrated, the structure is compact, the cost of the engine is reduced, and the arrangement of a whole vehicle pipeline is facilitated; the joints are bulge structure joints or quick-plugging joints, and the sealing performance is good.

According to the description and drawings of the present invention, it is easy for those skilled in the art to manufacture or use the present invention, and the positive effects described in the present invention can be produced.

Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated on the drawings, it is only for convenience of describing the present invention and simplifying the description, but it does not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and be operated, therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances with reference to the drawings.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims

1. An engine inlet tube which characterized in that: the device comprises an L-shaped water pipe body (1) with a six-way connector, wherein the end part of the long edge of the water pipe body (1) is provided with a finished automobile water tank connector (2), the long edge of the water pipe body (1) is fixedly connected with a tee joint (3) with a plug and a warm air return water connector (4) in a sealing manner, and the tee joint (3) with the plug is provided with a urea heating return water quick connector and a fuel oil heating return water connector; the oil cooler is characterized in that an oil cooler connector (5) is arranged at the end part of the short edge of the water pipe body (1), a thermostat manifold connector (7) is arranged on the water pipe body (1) on one side of the oil cooler connector (5), and an auxiliary water tank water return connector (6) is fixedly connected to the short edge of the water pipe body (1) in a sealing mode.

2. The engine water intake according to claim 1, wherein: the finished automobile water tank connector (2) is of a corrugated bulge structure and is used for being connected with a water outlet rubber pipe of a finished automobile water tank.

3. The engine water intake according to claim 1, wherein: the oil cooler connector (5) is of a seal groove flange surface structure, a mounting hole and a bolt in the flange surface can be mounted on the oil cooler, and a special-shaped seal ring (8) is arranged in the seal groove.

4. The engine water intake according to claim 1, wherein: the warm air return water joint (4) is a straight joint, and a connector connected with the water pipe body (1) is provided with a straight thread, a hexagonal flange structure and an O-shaped sealing ring.

5. The engine water intake duct of claim 1, wherein: the connector of the tee joint (3) with the plug and the water pipe body (1) is provided with straight threads, a hexagonal flange structure and an O-shaped sealing ring.

6. The engine water intake according to claim 1, wherein: the auxiliary water tank backwater joint (6) is an elbow joint, and a straight thread, a hexagonal flange structure and an O-shaped sealing ring are arranged at a joint of the auxiliary water tank backwater joint and the water pipe body (1).

7. The engine water intake duct of claim 1, wherein: the interfaces of the warm air return water joint (4) and the auxiliary water tank return water joint (6) connected with the whole vehicle are provided with bulge structures.