Motorcycle water pump cover three-way pipe structure

Abstract

A three-way pipe structure of a water pump cover of a motorcycle belongs to the technical field of motorcycle cooling system components and comprises a water pump cover body, the water pump cover body is connected with a three-way structure, and the three-way structure is formed by connecting a water inlet branch pipe, a water outlet branch pipe and a bypass branch pipe into a whole. The utility model has the beneficial effects that the connecting stability is high, the flowing efficiency of cooling liquid is improved, the occupied space is reduced, more convenience is provided for the integral structural design of the motorcycle, the performance of the motorcycle is improved, and the controllability and the generality are high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to motorcycle cooling system component technical field, concretely relates to a motorcycle water pump cover tee bend pipe structure. BACKGROUND

[0002] The motorcycle water pump is a key component in the motorcycle cooling system, and is used for circulating coolant to maintain the normal working temperature of the engine. In the cooling system of the motorcycle, the tee bend pipe of the water pump cover is a key component for realizing the flow path control of the coolant. The existing motorcycle water pump cover tee bend pipe structure has many deficiencies. Firstly, the stability of the connecting part is poor, and looseness is prone to occur due to vibration and other factors during the driving of the motorcycle, which leads to coolant leakage and affects the normal operation of the cooling system. Secondly, the flow resistance of the coolant in the tee bend pipe is large, which reduces the circulation efficiency of the coolant and further affects the heat dissipation effect of the engine. Thirdly, the existing structure has poor universality and is difficult to adapt to different models of motorcycle engines, which increases the production cost and the research and development cycle. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims to design a motorcycle water pump cover tee bend pipe structure to solve the problems of poor connection stability, large flow resistance of the coolant and unreasonable space layout of the existing tee bend pipe structure mentioned in the background.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a motorcycle water pump cover tee bend pipe structure, comprising a water pump cover main body, wherein a tee structure is connected to the water pump cover main body, and the tee structure is integrally formed by a water inlet branch pipe, a water outlet branch pipe and a bypass branch pipe.

[0005] A mounting plate is arranged at the pipe opening of the water outlet branch pipe, a through hole is arranged on the mounting plate, the water outlet branch pipe is connected to the coolant input end of the motorcycle engine, a threaded hole is arranged at the port of the coolant input end, the threaded hole is matched with the through hole on the mounting plate, and the water outlet branch pipe is connected to the coolant input end by using a fixing bolt.

[0006] The water inlet branch pipe is connected to the water outlet end of the radiator, and an annular protrusion is arranged on the outer side wall of the water inlet branch pipe opening. When the water inlet branch pipe is connected to the connecting pipe of the water outlet end of the radiator, the annular protrusion is embedded in the connecting pipe, and the water pipe clamp is used for connection.

[0007] The bypass branch pipe is connected to the thermostat unit of the engine, and an adjustable throttle valve is connected to the pipe opening of the bypass branch pipe. By adjusting the mechanism of the throttle valve, the flow area of the bypass branch pipe can be changed, and the flow of the coolant can be adjusted.

[0008] The internal flow channel of the water pump cover body adopts a smooth transition design, and the connecting parts of each branch pipe with the water pump cover body are all arc transitions, for reducing the resistance of the cooling liquid in the flowing process.

[0009] The water inlet branch pipe and the water outlet branch pipe are provided with a certain angle bending, which maximally reduces the occupied space under the premise of ensuring the normal circulation of the cooling liquid, facilitates the installation and layout of the pipeline, makes the structure of the whole cooling system more compact, and is beneficial to the lightening and miniaturization of the motorcycle.

[0010] The utility model discloses the beneficial effect is: connection stability is high, cooling liquid flow efficiency promotes, reduced space occupation, provided more convenience for the overall structure design of motorcycle, also help to improve the performance and controllability of motorcycle, and the general-purpose property is strong. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is overall structure schematic diagram of the utility model.

[0012] Figure 2 It is water pump cover body structure schematic diagram of the utility model.

[0013] Figure 3 It is three-way pipe structure schematic diagram of the utility model.

[0014] Figure 4 It is existing motorcycle engine water pump cover structure schematic diagram.

[0015] In the drawing: 1, water pump cover body, 2, water inlet branch pipe, 3, water outlet branch pipe, 4, bypass branch pipe, 5, annular protrusion, 6, threaded hole, 7, fastening bolt, 8, mounting plate, 801, through hole. DETAILED DESCRIPTION

[0016] The technical scheme of the utility model will be described clearly and completely in combination with the drawings of the specification, and it should be noted that the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.

[0017] Please refer to Figures 1-4A motorcycle water pump cover tee pipe structure, including water pump cover body 1, water pump cover body 1 is connected with tee structure, tee structure is by water inlet branch pipe 2, water outlet branch pipe 3 and bypass branch pipe 4 is connected as an organic whole constitutes, the mouth of water outlet branch pipe 3 is equipped with mounting plate 8, mounting plate 8 is equipped with through hole 801, water outlet branch pipe 3 is connected with the cooling liquid input end of motorcycle engine, the port of cooling liquid input end is equipped with threaded hole 6, threaded hole 6 is matched with the through hole 801 on mounting plate 8, and water outlet branch pipe 3 is connected with cooling liquid input end by using fixed bolt 7, to ensure the firmness and sealing property of connection, water inlet branch pipe 2 is connected with radiator outlet end, and the outer side wall of the mouth of water inlet branch pipe 2 is equipped with annular protrusion 5, when connecting with radiator outlet end connection pipe sleeve, annular protrusion 5 is embedded in the connecting pipe, and the firm and sealed connection is realized by cooperating with water pipe clamp, bypass branch pipe 4 is connected with the thermostat unit of engine, and the mouth of bypass branch pipe 4 is connected with adjustable throttle valve, the flow area of bypass branch pipe 4 can be changed by the adjusting mechanism of throttle valve, to realize the flexible adjustment of cooling liquid flow, the internal flow channel of water pump cover body 1 adopts smooth transition design, and the connecting parts of each branch pipe and water pump cover body 1 are all arc transitions, to reduce the resistance of cooling liquid in the flowing process, a certain angle bending is arranged between water inlet branch pipe 2 and water outlet branch pipe 3, under the premise of guaranteeing the normal circulation of cooling liquid, the occupied space is maximally reduced, the installation and trend of pipeline are facilitated, the structure of the whole cooling system is more compact, and it is beneficial to the light weight and small size of motorcycle.

[0018] The utility model in the using process:

[0019] The installation process:

[0020] First, the mouth of water outlet branch pipe 3 is inserted into the port of cooling liquid input end, then the threaded end of fastening bolt 7 is passed through the through hole of mounting plate 8 and is fastened and connected with the threaded hole 6 of cooling liquid input end, next, water pipe clamp is installed on the pipe body of radiator connection pipe, then radiator connection pipe sleeve is connected on water inlet branch pipe 2, annular protrusion 5 is embedded in the recess in connecting pipe, then water pipe clamp is moved to the position of annular protrusion 5, according to the demand of engine thermostat unit, the flow area of bypass branch pipe 4 is adjusted by the adjusting mechanism of throttle valve, then bypass branch pipe 4 is connected to the corresponding cooling area.

[0021] The using process:

[0022] When the motorcycle engine starts, most of the cooling liquid flows to the water inlet main pipe 2 through the radiator under the action of the water pump, and a small part of the cooling liquid flows to the engine through the bypass branch pipe 4; during the engine operation, according to the temperature change of the engine, the cooling liquid flow of the bypass branch pipe 4 can be adjusted through the adjusting mechanism of the throttle valve to meet the cooling requirements of the engine under different working conditions.

[0023] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0024] The part not described in the present application is the prior art.

Claims

1. A motorcycle water pump cover tee structure, comprising a water pump cover body (1), characterized in that: The pump cover body (1) is connected to a three-way structure, which is composed of an inlet branch pipe (2), an outlet branch pipe (3) and a bypass branch pipe (4) connected together.

2. The motorcycle water pump cover tee structure according to claim 1, characterized in that: The outlet branch pipe (3) is provided with a mounting plate (8) at its opening. The mounting plate (8) is provided with a through hole (801). The outlet branch pipe (3) is connected to the coolant input end of the motorcycle engine. The coolant input end is provided with a threaded hole (6) at its port. The threaded hole (6) is matched with the through hole (801) on the mounting plate (8). The outlet branch pipe (3) is connected to the coolant input end by using a fixing bolt (7).

3. The motorcycle water pump cover tee structure according to claim 1, characterized in that: The water inlet branch pipe (2) is connected to the water outlet of the radiator. The outer side wall of the water inlet branch pipe (2) is provided with an annular protrusion (5). When it is connected to the water outlet of the radiator, the annular protrusion (5) is embedded in the connecting pipe and connected with the water pipe clamp.

4. The motorcycle water pump cover tee structure according to claim 1, characterized in that: The bypass branch pipe (4) is connected to the engine thermostat unit. An adjustable throttle valve is connected to the port of the bypass branch pipe (4). The flow area of ​​the bypass branch pipe (4) can be changed by adjusting the throttle valve, thereby adjusting the flow rate of the coolant.

5. The motorcycle water pump cover tee structure according to claim 1, characterized in that: The internal flow channel of the water pump cover body (1) adopts a smooth transition design, and the connection parts of each branch pipe and the water pump cover body (1) are all arc transitions, which are used to reduce the resistance of the coolant during the flow process.

6. The motorcycle water pump cover tee structure according to claim 1, characterized in that: The inlet branch pipe (2) and outlet branch pipe (3) are provided with a certain angle bend, which minimizes the space occupied while ensuring the normal flow of coolant, facilitates the installation and routing of pipelines, and makes the structure of the entire cooling system more compact, which is conducive to the lightweighting and miniaturization of motorcycles.

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