Engine water outlet pipe structure, engine cooling system and automobile

By designing a detachable engine outlet pipe structure, using the combination of pipe body, seals and baffles, the problem that the outlet pipes in the prior art cannot be shared under different states is solved, and the simple uniformity of the structure and the reduction of cost are achieved.

CN222513537UActive Publication Date: 2025-02-21WEICHAI POWER CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420160336.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-23
Publication Date
2025-02-21
Estimated Expiration
2034-01-23

AI Technical Summary

Technical Problem

The existing engine outlet pipes cannot share the mold in the liquid-relieving and non-liquid-relieving state, resulting in major changes to the outlet pipes, which increases the problems of low yield, double weight and high cost due to casting.

Method used

An engine outlet pipe structure is designed, using a combination of a pipe body, a first seal, a second seal and a baffle. Through the disassembly and assembly of these components, the engine hydraulic retarding structure and non-hydraulic retarding structure are realized. no need to change the mold.

Benefits of technology

The simple and unified engine outlet pipe structure is achieved, which reduces casting difficulty, improves yield, and reduces weight and production costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222513537U_ABST
    Figure CN222513537U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of automobiles, and discloses an engine water outlet pipe structure, an engine cooling system and an automobile, the engine water outlet pipe structure comprises a pipe body, the pipe body is provided with a plurality of water inlets, a water intake, a water return port and a water outlet, the multiple water inlets are located between the water intake and the water return port, and the water return port is located between the water intake and the water outlet. The first sealing element is used for sealing the water intake and can be detachably connected with the pipe body; the second sealing piece is used for sealing the water return opening and can be detachably connected with the pipe body; the baffle is used for separating a channel between the water inlets and the water return port in the pipe body, and the baffle is detachably connected with the pipe body. The engine water outlet pipe is simple and uniform in structure, casting difficulty is reduced, yield can be increased, weight is reduced, and production cost is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of automobiles, in particular to an engine water outlet pipe structure, an engine cooling system and an automobile. Background Art

[0002] For the same engine, there are liquid retarder and non-liquid retarder states depending on the model and configuration. In order to achieve the liquid retarder state, the vehicle needs to be equipped with a hydraulic retarder, and the coolant of the hydraulic retarder needs to be provided by the engine, and the required flow rate and head are both large. Therefore, it is generally necessary to arrange the hydraulic retarder in series with the engine body water channel to meet the heat dissipation requirements.

[0003] However, the existing engine water outlet pipe cannot share the same mold in the liquid retarder and non-liquid retarder state. In order to meet the water intake requirements of the hydraulic retarder, it is often necessary to make major changes to the engine water outlet pipe. In the liquid retarder state, the water outlet pipe needs to have a double-layer structure in order to connect with the hydraulic retarder.

[0004] For example, Figure 1 As shown, it is a schematic diagram of the structure of a water outlet pipe of an engine in the prior art, the water outlet pipe has a double-layer pipe, one of the pipes has a first water inlet and a first water outlet 01, the first water inlet is used to communicate with the cylinder of the engine, the first water outlet 01 is used to communicate with the liquid inlet of the hydraulic retarder, and the other pipe has a second water inlet 02 and a second water outlet 03, wherein the second water inlet 02 is connected to the liquid outlet of the hydraulic retarder, and the second water outlet 03 is used to communicate with the thermostat chamber of the engine. This structure makes a major change to the water outlet pipe of the engine, the casting yield is very low, and the weight is doubled, and the cost is high. Utility Model Content

[0005] The utility model provides an engine water outlet pipe structure, an engine cooling system and a car. The engine water outlet pipe structure has a simple and unified structure, reduces casting difficulty, can improve the yield, reduce weight and reduce production costs.

[0006] In order to achieve the above object, the utility model provides the following technical solutions:

[0007] An engine water outlet pipe structure, comprising:

[0008] A pipe body, the pipe body having a plurality of interconnected water inlets, a water intake, a water return port and a water outlet, the plurality of water inlets being used to communicate with the cylinders of the engine, the plurality of water inlets being located between the water intake and the water return port, and the water return port being located between the water intake and the water outlet;

[0009] A first sealing member, which is used to seal the water intake and can be detachably connected to the pipe body;

[0010] A second sealing member, which is used to seal the water return port and can be detachably connected to the pipe body;

[0011] A baffle is used to separate the passage between the multiple water inlets and the water return port in the tube body, and the baffle is detachably connected to the tube body.

[0012] Optionally, the baffle may be detachably connected to the pipe body at the water return port.

[0013] Optionally, the water return port is a circular hole, the baffle is an arc-shaped plate that cooperates with the edge of the water return port, and the baffle can separate the channel between the multiple water inlets and the water return port on the side of the water return port adjacent to the multiple water inlets.

[0014] Optionally, the baffle is snap-fitted to the inner wall of the tube body.

[0015] Optionally, the first sealing member includes a first cover plate, and the first cover plate can be detachably connected to the tube body by a first bolt;

[0016] The second sealing member includes a second cover plate, and the second cover plate can be detachably connected to the tube body via a second bolt.

[0017] Optionally, the first sealing member further includes a first gasket, the first gasket is located between the first cover plate and the tube body, and the first bolt passes through the first cover body and the first gasket to be connected to the tube body;

[0018] The second sealing member further includes a second gasket, which is located between the second cover plate and the tube body, and the second bolt passes through the second cover body and the second gasket to be connected to the tube body.

[0019] The utility model also provides an engine cooling system, comprising any one of the engine water outlet pipe structures provided in the above technical solutions.

[0020] Optionally, a hydraulic retarder is further included, wherein the liquid inlet of the hydraulic retarder is communicated with the water intake of the pipe body of the engine water outlet pipe, and the liquid outlet of the hydraulic retarder is communicated with the water return port of the pipe body of the engine water outlet pipe.

[0021] The utility model also provides an automobile, comprising any one of the engine cooling systems provided in the above technical solutions.

[0022] The embodiment of the utility model provides an engine water outlet pipe structure, an engine cooling system and an automobile. The engine water outlet pipe structure can be applied to the engine. If the engine is a non-liquid retarder type structure, that is, it is not connected to a hydraulic retarder, the baffle can be removed from the pipe body, and the water inlet and the water return port of the pipe body are sealed respectively by a first sealing member and a second sealing member. The multiple water inlets of the pipe body are correspondingly connected to the multiple cylinders of the engine, and the water outlet of the pipe body can be connected to the thermostat cavity, so that the coolant can directly enter the thermostat cavity from the engine cylinder; if the engine is a liquid retarder type structure, that is, it is connected to a hydraulic retarder, The first seal and the second seal can be removed from the tube body, the baffle cuts off the passage between the multiple water inlets and the water return port, the multiple water inlets of the tube body are connected to the multiple cylinders of the engine, the water intake of the tube body can be connected to the liquid inlet of the hydraulic retarder, the water return port of the tube body can be connected to the liquid outlet of the hydraulic buffer, the water outlet of the tube body can be connected to the thermostat cavity, the baffle can be used to block the path of the coolant in the cylinder directly flowing to the thermostat cavity, the coolant flows into the liquid inlet of the hydraulic retarder through the water intake port, and then flows into the water return port from the liquid outlet of the hydraulic retarder, and returns to the thermostat cavity from the water outlet of the tube body. The above-mentioned engine water outlet pipe structure can realize the common use of the engine hydraulic retarder structure and the non-hydraulic retarder structure, without the need to modify the mold of the tube body, and can be realized by the disassembly and assembly of the first seal, the second seal and the baffle with simple structure. Compared with the prior art, it is not necessary to adopt a double-layer water outlet pipe structure, the structure is simple and unified, the casting difficulty is reduced, the yield rate can be improved, the weight can be reduced, and the production cost can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of an engine water outlet pipe in the prior art;

[0024] Figure 2 It is a structural schematic diagram of an engine water outlet pipe structure provided in an embodiment of the utility model;

[0025] Figure 3 A state diagram of an engine water outlet pipe structure provided by an embodiment of the utility model;

[0026] Figure 4 A state diagram of another engine water outlet pipe structure provided in an embodiment of the utility model.

[0027] icon:

[0028] 1-tube body; 11-water inlet; 12-water intake; 13-water return port; 14-water outlet; 2-first sealing member; 21-first cover plate; 22-first gasket; 23-first bolt; 3-second sealing member; 31-second cover plate; 32-second gasket; 33-second bolt; 4-baffle; A-thermostat chamber; B-liquid inlet; C-liquid outlet. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Please refer to Figure 2 The utility model provides an engine water outlet pipe structure, comprising:

[0031] The pipe body 1 has a plurality of interconnected water inlets 11, a water intake 12, a water return port 13 and a water outlet 14. The plurality of water inlets 11 are used to communicate with the cylinders of the engine. The plurality of water inlets 11 are located between the water intake 12 and the water return port 13. The water return port 13 is located between the water intake 12 and the water outlet 14.

[0032] A first sealing member 2, which is used to seal the water intake port 12 and can be detachably connected to the pipe body 1;

[0033] A second sealing member 3, which is used to seal the water return port 13 and can be detachably connected to the pipe body 1;

[0034] The baffle 4 is used to separate the passages between the multiple water inlets 11 and the water return ports in the pipe body 1 , and the baffle 4 is detachably connected to the pipe body 1 .

[0035] The engine water outlet pipe structure provided by the embodiment of the utility model can be applied to the engine. If the engine is a non-hydraulic retarder type structure, that is, not connected to the hydraulic retarder, the baffle 4 can be removed from the pipe body 1, such as Figure 3 As shown, the water inlet 12 and the water return port 13 of the pipe body 1 are sealed respectively by the first sealing member 2 and the second sealing member 3, the multiple water inlets 11 of the pipe body 1 are correspondingly connected to the multiple cylinders of the engine, and the water outlet 14 of the pipe body 1 can be connected to the thermostat cavity A, so that the coolant can directly enter the thermostat cavity A from the engine cylinder; if the engine is a liquid retarder type structure, that is, a hydraulic retarder is connected, the first sealing member 2 and the second sealing member 3 can be removed from the pipe body 1, and the baffle 4 separates the channels between the multiple water inlets 11 and the water return port 13, as shown in FIG. Figure 4As shown, the multiple water inlets 11 of the tube body 1 are correspondingly connected to the multiple cylinders of the engine, the water intake 12 of the tube body 1 can be connected to the liquid inlet B of the hydraulic retarder, the water return port 13 of the tube body 1 can be connected to the liquid outlet C of the hydraulic buffer, and the water outlet 14 of the tube body 1 can be connected to the thermostat cavity A. The baffle 4 can be used to block the path of the coolant in the cylinder directly flowing to the thermostat cavity A, and the coolant flows into the liquid inlet B of the hydraulic retarder through the water intake 12, and then flows into the water return port 13 from the liquid outlet C of the hydraulic retarder, and returns to the thermostat cavity A from the water outlet 14 of the tube body 1. The above-mentioned engine water outlet pipe structure can be used in common with the engine hydraulic retarder structure and the non-hydraulic retarder structure. There is no need to modify the mold of the tube body 1. It can be achieved by disassembling and assembling the first seal 2, the second seal 3 and the baffle 4 with simple structures. Compared with the prior art, there is no need to adopt a double-layer water outlet pipe structure. The structure is simple and unified, which reduces the difficulty of casting, can improve the yield, reduce weight, and reduce production costs.

[0036] In the embodiment of the utility model, the baffle plate 4 can be detachably connected to the pipe body 1 at the water return port 13, with a simple structure and convenient connection.

[0037] Specifically, the above-mentioned return water port 13 can be a circular hole, and the baffle 4 can be an arc-shaped plate that cooperates with the edge of the return water port 13. The baffle 4 can block the channel between the multiple water inlets 11 and the return water port on the side of the return water port 13 adjacent to the multiple water inlets 11. The structure is simple and easy to implement, and it is convenient to block the path of the coolant flowing directly from the engine cylinder to the thermostat chamber A.

[0038] Specifically, the baffle plate 4 is snap-fitted to the inner wall of the tube body 1 to achieve a detachable connection between the baffle plate 4 and the tube body 1 .

[0039] In the embodiment of the utility model, the first sealing member 2 may include a first cover plate 21, which may be detachably connected to the pipe body 1 via a first bolt 23; the second sealing member 3 may include a second cover plate 31, which may be detachably connected to the pipe body 1 via a second bolt 33, and the structure is simple and easy to implement. The water intake port 12 and the water return port 13 may be sealed respectively by the first cover plate 21 and the second cover plate 31.

[0040] Specifically, the above-mentioned first sealing member 2 may further include a first gasket 22, which is located between the first cover plate 21 and the tube body 1, and the first bolt 23 passes through the first cover plate and the first gasket 22 to be connected to the tube body 1, and the first gasket 22 can achieve a tight connection between the first cover plate 21 and the tube body 1; the second sealing member 3 may further include a second gasket 32, which is located between the second cover plate 31 and the tube body 1, and the second bolt 33 passes through the second cover plate and the second gasket 32 ​​to be connected to the tube body 1, and the second gasket 32 ​​can achieve a tight connection between the second cover plate 31 and the tube body 1.

[0041] An embodiment of the utility model further provides an engine cooling system, comprising any one of the engine water outlet pipe structures provided in the above technical solutions.

[0042] The engine cooling system provided by the embodiment of the utility model includes an engine water outlet pipe structure. The engine water outlet pipe structure can be common to the engine hydraulic retarder structure and the non-hydraulic retarder structure. There is no need to modify the mold of the pipe body 1. It can be achieved by disassembling and assembling the first seal 2, the second seal 3 and the baffle 4 with simple structures. Compared with the prior art, there is no need to adopt a double-layer water outlet pipe structure, the structure is simple and unified, the casting difficulty is reduced, the yield rate can be improved, the weight can be reduced, and the production cost can be reduced.

[0043] Specifically, if the engine is a non-hydraulic retarder type structure, that is, it is not connected to a hydraulic retarder, the baffle 4 can be removed from the tube body 1, and the water intake 12 and the water return port 13 of the tube body 1 can be sealed respectively by the first seal 2 and the second seal 3, and the multiple water inlets 11 of the tube body 1 are correspondingly connected to the multiple cylinders of the engine, and the water outlet 14 of the tube body 1 can be connected to the thermostat cavity A, so that the coolant can directly enter the thermostat cavity A from the engine cylinder.

[0044] Specifically, if the engine is a hydraulic retarder type structure, that is, the engine cooling system also includes a hydraulic retarder, the first seal 2 and the second seal 3 can be removed from the tube body 1, and the baffle 4 separates the channel between the multiple water inlets 11 and the return water port. The multiple water inlets 11 of the tube body 1 are correspondingly connected to the multiple cylinders of the engine, the water intake 12 of the tube body 1 can be connected to the liquid inlet B of the hydraulic retarder, the return water port 13 of the tube body 1 can be connected to the liquid outlet C of the hydraulic buffer, and the water outlet 14 of the tube body 1 can be connected to the thermostat cavity A. The baffle 4 can be used to block the path of the coolant in the cylinder from flowing directly to the thermostat cavity A, and the coolant flows into the liquid inlet B of the hydraulic retarder through the water intake 12, and then flows into the return water port 13 from the liquid outlet C of the hydraulic retarder, and returns to the thermostat cavity A from the water outlet 14 of the tube body 1.

[0045] An embodiment of the utility model further provides an automobile, comprising any one of the engine cooling systems provided in the above technical solutions.

[0046] Obviously, those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An engine water outlet pipe structure, characterized in that: include: A pipe body, the pipe body having a plurality of interconnected water inlets, a water intake, a water return port and a water outlet, the plurality of water inlets being used to communicate with the cylinders of the engine, the plurality of water inlets being located between the water intake and the water return port, and the water return port being located between the water intake and the water outlet; A first sealing member, which is used to seal the water intake and can be detachably connected to the pipe body; A second sealing member, which is used to seal the water return port and can be detachably connected to the pipe body; A baffle is used to separate the passage between the multiple water inlets and the water return port in the tube body, and the baffle is detachably connected to the tube body.

2. The engine water outlet pipe structure according to claim 1, characterized in that: The baffle can be detachably connected to the pipe body at the water return port.

3. The engine water outlet pipe structure according to claim 2, characterized in that: The water return port is a circular hole, the baffle is an arc-shaped plate matched with the edge of the water return port, and the baffle can separate the channel between the multiple water inlets and the water return port on the side of the water return port adjacent to the multiple water inlets.

4. The engine water outlet pipe structure according to claim 2, characterized in that: The baffle is clamped with the inner wall of the tube body.

5. The engine water outlet pipe structure according to any one of claims 1 to 4, characterized in that: The first sealing member comprises a first cover plate, and the first cover plate can be detachably connected to the tube body by a first bolt; The second sealing member includes a second cover plate, and the second cover plate can be detachably connected to the tube body via a second bolt.

6. The engine water outlet pipe structure according to claim 5, characterized in that: The first sealing member further includes a first gasket, the first gasket is located between the first cover plate and the tube body, and the first bolt passes through the first cover plate and the first gasket and is connected to the tube body; The second sealing member further includes a second gasket, wherein the second gasket is located between the second cover plate and the tube body, and the second bolt passes through the second cover plate and the second gasket to be connected to the tube body.

7. An engine cooling system, characterized in that: It comprises the engine water outlet pipe structure as described in any one of claims 1 to 6.

8. The engine cooling system according to claim 7, characterized in that: It also includes a hydraulic retarder, the liquid inlet of the hydraulic retarder is communicated with the water intake of the pipe body of the engine water outlet pipe, and the liquid outlet of the hydraulic retarder is communicated with the water return port of the pipe body of the engine water outlet pipe.

9. A car, characterized in that: Comprising an engine cooling system as claimed in claim 7 or 8.