Thermostat compactly arranged

Abstract

The utility model discloses a compactly-arranged thermostat which comprises a crankcase, the crankcase is connected with a water pump body, the crankcase comprises a part close to the water pump, a thermostat installation cavity is formed in the part close to the water pump, a thermostat body is arranged in the thermostat installation cavity, the thermostat installation cavity is communicated with a water outlet pipe, and the water outlet pipe is communicated with a water inlet pipe. The water outlet pipe is communicated with the water pump body. The utility model provides the compactly-arranged thermostat, a water outlet hose / pipeline which is independently arranged and connected to the thermostat mounting cavity is reduced, mounting parts are reduced, and the water outlet pipe is formed by connecting the structures of the crankcase and the water pump body, so that the structure can be compactly arranged, and the occupied volume of the whole device is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of motorcycles, in particular to a compactly arranged thermostat. Background Art

[0002] A motorcycle will generate a lot of heat during operation, and a circulating water circuit will be set up for heat exchange. Since the heat generated during the operation of the motorcycle will change, it is necessary to set up multiple inlet and outlet water circuit switches to adapt to different heat generation. In the existing technology, the thermostat is the core control component of the water circuit switching. Its setting position is crucial and affects the structural layout of the entire cooling water circuit.

[0003] For example, the publication number "CN215633288U" discloses "a cooling system for a motorcycle engine and a motorcycle". The cooling system of a motorcycle engine includes: a radiator; an electronic water pump, which is connected to the radiator and the cylinder water jacket of the engine; a thermostat, which is connected to the cylinder head water jacket of the engine, and the thermostat selectively connects the radiator and the electronic water pump; wherein the radiator, the electronic water pump and the thermostat are all arranged on the same side of the engine. Thus, an electronic water pump is used instead of a mechanical water pump, and the radiator, the electronic water pump and the thermostat are all arranged on the same side of the engine. However, in actual applications, the thermostat is set up independently, which will take up a lot of installation space and cannot be arranged in a compact manner. Summary of the invention

[0004] In view of the problem that the prior art mentioned in the background technology occupies a large amount of installation space, the utility model provides a compactly arranged thermostat, which can make the overall layout of the engine simpler, the structure more compact, reduce pipelines, reduce parts, and reduce cost output.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions.

[0006] A compactly arranged thermostat includes a crankcase, the crankcase is connected to a water pump body, the crankcase includes a water pump-proximal portion, the water pump-proximal portion is provided with a thermostat mounting cavity, the thermostat mounting cavity is provided with a thermostat body, the thermostat mounting cavity is connected with a water outlet pipe, and the water outlet pipe is connected with the water pump body. In the present application, the crankcase is provided with a water pump-proximal portion, the thermostat mounting cavity is provided on the water pump-proximal portion, wherein the thermostat body is provided in the thermostat mounting cavity, therefore, in the present application, the thermostat body is equivalent to being connected with a part on the crankcase, rather than being a separate component independent of the crankcase, thus making the arrangement of the thermostat body closer to the crankcase, thereby making the arrangement of the thermostat body more compact; wherein in the present application, the specific arrangement of the water pump-proximal portion is close to one side of the water pump body, in the prior art, the cooling water circuit controlled by the thermostat needs to be connected to the water pump as a circulation hub, in the present application, the water pump-proximal portion is provided close to the water pump body. Therefore, the distance between the water pump portion and the water pump body can be controlled within a minimum range, and since the crankcase is directly connected to the water pump body, the water pump portion, as a part of the crankcase, can be directly connected to the water pump body, and the connection portion between the two is the water outlet pipe of the thermostat mounting chamber, wherein the water outlet pipe is a structure formed by the connection between the water pump portion and the water pump body, rather than an additional pipeline, thereby reducing the need for a separate water outlet hose / pipeline to be connected to the thermostat mounting chamber, reducing installation parts, and since the water outlet pipe is formed by the connection between the crankcase and the water pump body itself, the structure can be arranged compactly, reducing the occupied volume of the entire device.

[0007] Preferably, the thermostat installation cavity is connected with a plurality of water inlet pipes, and the thermostat installation cavity includes an initial closed end and an initial connecting end, and each of the water inlet pipes is connected to the initial closed end and the initial connecting end respectively. A plurality of water inlet pipes are arranged on the thermostat installation cavity, wherein in the present application, since the near-water pump part is arranged close to the water pump body, a water outlet pipe is arranged, and a plurality of water inlet pipes are arranged, and the opening and closing of the plurality of water inlet pipes are controlled by the thermostat body, so as to realize the circulation of different cooling water circuits, wherein the water inlet pipes are connected to the initial closed end and the initial connecting end respectively, and the initial closed end is in a closed state under the initial low temperature state, and the initial connecting end is in a connected state under the initial low temperature state, and as the temperature continues to rise, the thermostat body starts to act, and at this time, the action states of the initial closed end and the initial connecting end become gradually opened and gradually closed, until the initial closed end is completely opened and the initial connecting end is completely closed, and the cooling water circuit is continuously changed in this process.

[0008] Preferably, the water inlet pipeline includes an oil cooler outlet pipe and a thermostat inlet pipe connected to the initial closed end. The water inlet pipeline includes an oil cooler outlet pipe and a thermostat inlet pipe connected to the dehumidification closed section. In the initial low temperature state, these two pipes are not connected to the thermostat installation cavity. When the temperature rises, the initial closed end gradually opens, and the two are connected to the thermostat installation cavity, and a large amount of liquid flows in to achieve a cooling circulation effect under high temperature conditions, thereby improving cooling efficiency and quality.

[0009] Preferably, the water inlet pipeline includes a small circulating water pipe connected to the initial connecting end. The water inlet pipeline includes a small circulating water pipe, wherein the small circulating water pipe is connected to the initial connecting end, and the small circulating water pipe maintains a connecting state with the thermostat installation cavity under low temperature state, so as to realize the cooling function under low temperature state.

[0010] Preferably, the initial closed end is arranged at the upper part of the thermostat installation cavity, and the initial connected end is arranged at the lower part of the thermostat installation cavity. The initial closed end is arranged at the upper part of the thermostat installation cavity, and the initial connected end is arranged at the lower part of the thermostat installation cavity accordingly, thereby ensuring the compact layout of the entire device.

[0011] Preferably, the thermostat installation cavity includes an inner cavity side wall, and a plurality of reinforcing ribs are arranged on the inner cavity side wall. Reinforcing ribs are arranged on the inner cavity side wall of the thermostat installation cavity, wherein the reinforcing ribs are arranged along the axial direction of the thermostat installation cavity, which can improve the structural strength of the thermostat installation cavity.

[0012] Preferably, the thermostat body includes an upper support frame and a lower support frame, a side connecting plate is connected between the upper support frame and the lower support frame, and the side connecting plate is located between adjacent reinforcing ribs. Since the side connecting plate is arranged between adjacent reinforcing ribs, the reinforcing ribs can form a limiting effect on the side connecting plate, thereby preventing the thermostat body from rotating in the thermostat installation cavity, thereby ensuring the stability of the thermostat body.

[0013] Preferably, the water outlet pipe is arranged away from the central axis of the water pump part and communicates with the thermostat installation cavity. The water outlet pipe is arranged away from the central axis of the water pump part, thereby reducing the arrangement volume of the water pump part and making the arrangement between the water pump part and the crankcase more compact.

[0014] Preferably, the outlet water pipe is tangentially connected to the thermostat installation cavity. The outlet water pipe is tangentially connected to the thermostat installation cavity, wherein the outlet water pipe is tangentially connected to the thermostat installation cavity, which can ensure that the water flow can smoothly pass through the thermostat installation cavity to the outlet water pipe, thereby improving the stability of the internal fluid.

[0015] Preferably, the water pump portion and the crankcase are integrally formed. The water pump portion and the crankcase are integrally formed, which can reduce the number of casting parts and enhance the connection stability between the water pump portion and the crankcase. At the same time, since the water pump body is originally connected to the crankcase, the connection stability between the water pump portion and the water pump body can be further enhanced.

[0016] The beneficial effects of the utility model are as follows:

[0017] (1) It can make the overall layout of the engine simpler, the structure more compact, reduce pipes, reduce parts, and reduce cost output;

[0018] (2) It can ensure the structural stability of the thermostat installation cavity and provide limit constraints for the thermostat body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Figure 2 It is a partial cross-sectional view of the utility model.

[0021] Figure 3 yes Figure 2 A partial enlarged view of point A in the middle.

[0022] Figure 4 It is a schematic diagram of the internal structure of the thermostat installation cavity in the utility model.

[0023] Figure 5 It is an axonometric view of the thermostat body in the utility model.

[0024] Figure 6 It is a partial top view of the utility model.

[0025] In the figure:

[0026] 1 crankcase;

[0027] 2. Water pump body;

[0028] 3 near the water pump, 31 thermostat installation cavity, 311 inner cavity side wall, 312 reinforcing ribs, 32 water inlet pipe, 33 initial closed end, 34 initial connecting end, 35 oil cooler water outlet pipe, 36 thermostat water inlet pipe, 37 small circulating water pipe;

[0029] 4 thermostat body, 41 upper support frame, 42 lower support frame, 43 side connecting plate;

[0030] 5. Water outlet pipe. DETAILED DESCRIPTION

[0031] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0032] Embodiment 1:

[0033] like Figure 1 , 2 As shown in , 6, a compactly arranged thermostat includes a crankcase 1, the crankcase 1 is connected to a water pump body 2, the crankcase 1 includes a water pump portion 3, a thermostat mounting cavity 31 is arranged on the water pump portion 3, a thermostat body 4 is arranged in the thermostat mounting cavity 31, the thermostat mounting cavity 31 is connected to a water outlet pipe 5, the water outlet pipe 5 is connected to the water pump body 2, and the water pump portion 3 and the crankcase 1 are an integrally formed structure.

[0034] In the present application, a water pump portion 3 is provided on the crankcase 1, and a thermostat installation cavity 31 is provided on the water pump portion 3, wherein the thermostat body 4 is provided in the thermostat installation cavity 31, and therefore the thermostat body 4 in the present application is equivalent to being connected to a portion on the crankcase 1, rather than being a separate component independent of the crankcase 1, so that the arrangement of the thermostat body 4 is closer to the crankcase 1, thereby enabling the arrangement of the thermostat body 4 to be more compact; wherein in the present application, the specific arrangement of the water pump portion 3 is close to one side of the water pump body 2, and in the prior art, the cooling water circuit controlled by the thermostat needs to be connected to the water pump as a hub of the circulation, and in the present application, since the water pump portion 3 is provided close to the water pump body 2, the distance between the water pump portion 3 and the water pump body 2 can be controlled within a minimum range, and since the crankcase 1 is directly connected to the water pump body 2, the water pump portion As a part of the crankcase 1, it can be directly connected to the water pump body 2, and the connecting part of the two is the water outlet pipe 5 of the thermostat installation chamber 31, wherein the water outlet pipe 5 is a structure formed by connecting the near water pump part 3 and the water pump body 2, and is not an additional pipeline, thereby reducing the water outlet hose / pipeline that is separately set up to connect the thermostat installation chamber 31, reducing the installation parts, and because the water outlet pipe 5 is formed by connecting the crankcase 1 and the water pump body 2 themselves, the structure can be arranged compactly, reducing the occupied volume of the entire device, and the near water pump part 3 is set as an integrally formed structure with the crankcase 1, which can reduce the casting parts and enhance the connection stability between the near water pump part 3 and the crankcase 1. At the same time, because the water pump body 2 is originally connected to the crankcase 1, the connection stability between the near water pump part 3 and the water pump body 2 can be further enhanced.

[0035] like Figure 2 , 3As shown, the thermostat installation cavity 31 is connected to a plurality of water inlet pipes 32, and the thermostat installation cavity 31 includes an initial closed end 33 and an initial connecting end 34, and each water inlet pipe 32 is respectively connected to the initial closed end 33 and the initial connecting end 34; the water inlet pipe 32 includes an oil cooler water outlet pipe 35 and a thermostat water inlet pipe 36 connected to the initial closed end 33; the water inlet pipe 32 includes a small circulation water pipe 37 connected to the initial connecting end 34; the initial closed end 33 is arranged at the upper part of the thermostat installation cavity 31, and the initial connecting end 34 is arranged at the lower part of the thermostat installation cavity 31.

[0036] A plurality of water inlet pipes are arranged on the thermostat installation cavity 31. In the present application, since the water pump portion 3 is arranged close to the water pump body 2, a water outlet pipe 5 is arranged, and a plurality of water inlet pipes are arranged. The thermostat body 4 controls the on-off of the plurality of water inlet pipes 32, so as to realize the circulation of different cooling water circuits, wherein the water inlet pipes 32 are respectively connected to the initial closed end 33 and the initial connecting end 34. The initial closed end 33 is in a closed state under the initial low temperature state, and the initial connecting end 34 is in a connecting state under the initial low temperature state. As the temperature continues to rise, the thermostat body 4 starts to act. At this time, the action states of the initial closed end 33 and the initial connecting end 34 become gradually opened and gradually closed, until the initial closed end 33 is completely opened and the initial connecting end 34 is completely closed. In this process, the continuous change of the cooling water circuit is realized. , wherein the water inlet pipeline 32 includes an oil cooler outlet pipe 35 and a thermostat inlet pipe 36 connected to the dehumidification closed section. In the initial low temperature state, these two pipes are not connected to the thermostat installation chamber 31. When the temperature rises, the initial closed end 33 gradually opens, and the two are connected to the thermostat installation chamber 31, and a large amount of liquid flows in to achieve a cooling circulation effect under high temperature conditions, thereby improving cooling efficiency and quality. The water inlet pipeline 32 includes a small circulation water pipe 37, wherein the small circulation water pipe 37 is connected to the initial connecting end 34. The small circulation water pipe 37 maintains a connected state with the thermostat installation chamber 31 under low temperature conditions, and is used to achieve a cooling function under low temperature conditions; the initial closed end 33 is arranged at the upper part of the thermostat installation chamber 31, and the initial connecting end 34 is correspondingly arranged at the lower part of the thermostat installation chamber 31, thereby ensuring a compact layout of the entire device.

[0037] The assembly and working process of the compactly arranged thermostat in this embodiment are as follows: in this embodiment, a water pump body 2 is connected to the front left side of the crankcase 1, wherein a water pump portion 3 is correspondingly arranged at this position, and in this embodiment, the water pump portion 3 and the crankcase 1 are an integrally formed structure, and a thermostat mounting cavity 31 is provided in the water pump portion 3, and the thermostat mounting cavity 31 is a middle hole structure, and a thermostat body 4 is arranged in the thermostat mounting cavity 31, wherein the upper part of the thermostat mounting cavity 31 is provided with a chef closed end, and the lower part of the thermostat mounting cavity 31 is provided with an initial connecting cavity, and in this embodiment, the thermostat mounting cavity 31 is connected with three water inlet pipes 32, namely, an oil cooler water outlet pipe 35, a thermostat water inlet pipe 36, and a small circulating water pipe 37, wherein the oil cooler water outlet pipe 35 and the thermostat water inlet pipe 36 are respectively arranged on both sides of the initial closed end 33 and connected to the initial closed section, and the small circulating water pipe 37 is arranged on one side of the initial connecting end 34 and connected to the initial connecting end 34.

[0038] In this embodiment, a small circulation water pipe 37 is further arranged below the initial connecting end 34, and is provided with a bending structure, which is connected to the initial connecting end 34. The oil cooler outlet pipe 35 is arranged horizontally, and the thermostat inlet pipe 36 is arranged obliquely. During operation, in the initial state, the internal circulation temperature is low, so the thermostat body 4 keeps the initial closed end 33 in a closed state and the initial connecting end 34 in an open state. The outlet water pipe is connected to the small circulation water pipe 37 to realize the internal small circulation and the heat exchange under the low temperature state. Then, when the internal temperature rises, the thermostat body 4 starts to move under the influence of the heat change, the initial closed end 33 gradually opens, the initial connecting end 34 gradually closes, and the water inlet of the oil cooler outlet pipe 35 and the thermostat inlet pipe 36 is gradually opened. The inlet water in these two pipes is cooled and enters the water pump body 2 from the outlet water pipe to realize efficient heat exchange, thereby realizing cooling treatment under high temperature state.

[0039] Embodiment 2:

[0040] like Figure 4 , 5 As shown, different from Example 1, the thermostat installation cavity 31 in this embodiment includes an inner cavity side wall 311, and a plurality of reinforcing ribs 312 are arranged on the inner cavity side wall 311. The thermostat body 4 includes an upper support frame 41 and a lower support frame 42. A side connecting plate 43 is connected between the upper support frame 41 and the lower support frame 42, and the side connecting plate 43 is located between adjacent reinforcing ribs 312.

[0041] Reinforcing ribs are arranged on the inner cavity side wall 311 of the thermostat mounting cavity 31, wherein the reinforcing ribs are arranged along the axial direction of the thermostat mounting cavity 31, so as to improve the structural strength of the thermostat mounting cavity 31. Since the side connecting plate 43 is arranged between adjacent reinforcing ribs 312, the reinforcing ribs 312 can form a limiting effect on the side connecting plate 43, thereby preventing the thermostat body 4 from rotating in the thermostat mounting cavity 31 and ensuring the stability of the thermostat body 4.

[0042] In addition to the above structure, the present embodiment also includes a crankcase 1, the crankcase 1 is connected to a water pump body 2, the crankcase 1 includes a water pump portion 3, a thermostat installation cavity 31 is provided on the water pump portion 3, a thermostat body 4 is provided in the thermostat installation cavity 31, the thermostat installation cavity 31 is connected to a water outlet pipe 5, the water outlet pipe 5 is connected to the water pump body 2, the water pump portion 3 and the crankcase 1 are an integrally formed structure, the thermostat installation cavity 31 is connected to a plurality of water inlet pipes 32, and the thermostat installation cavity 31 is connected to a plurality of water inlet pipes 32. The cavity 31 includes an initial closed end 33 and an initial connecting end 34, and each water inlet pipe 32 is connected to the initial closed end 33 and the initial connecting end 34 respectively; the water inlet pipe 32 includes an oil cooler water outlet pipe 35 and a thermostat water inlet pipe 36 connected to the initial closed end 33; the water inlet pipe 32 includes a small circulating water pipe 37 connected to the initial connecting end 34; the initial closed end 33 is arranged at the upper part of the thermostat installation cavity 31, and the initial connecting end 34 is arranged at the lower part of the thermostat installation cavity 31.

[0043] A water pump portion 3 is provided on the crankcase 1, and a thermostat installation cavity 31 is provided on the water pump portion 3, wherein a thermostat body 4 is provided in the thermostat installation cavity 31. Therefore, in the present application, the thermostat body 4 is equivalent to being connected to a portion on the crankcase 1, rather than being a separate component independent of the crankcase 1. Therefore, the thermostat body 4 is arranged closer to the crankcase 1, thereby enabling the arrangement of the thermostat body 4 to be more compact.

[0044] Embodiment 3:

[0045] like Figure 1 , 6 As shown, different from the first embodiment, the outlet water pipe 5 in the present embodiment is deviated from the central axis of the water pump part 3 and communicated with the thermostat installation cavity 31 , and the outlet water pipe 5 is tangentially communicated with the thermostat installation cavity 31 .

[0046] The water outlet pipe 5 is arranged to deviate from the central axis of the water pump portion 3, so as to reduce the arrangement volume of the water pump portion 3, making the arrangement between the water pump portion 3 and the crankcase 1 more compact, and the water outlet pipe 5 is tangentially connected to the thermostat installation cavity 31. The water outlet pipe 5 is tangentially connected to the thermostat installation cavity 31, which can ensure that the water flow can smoothly pass through the thermostat installation cavity 31 to the water outlet pipe 5, thereby improving the stability of the internal fluid.

[0047] In addition to the above structure, the present embodiment also includes a crankcase 1, the crankcase 1 is connected to a water pump body 2, the crankcase 1 includes a water pump portion 3, a thermostat installation cavity 31 is provided on the water pump portion 3, a thermostat body 4 is provided in the thermostat installation cavity 31, the thermostat installation cavity 31 is connected to a water outlet pipe 5, the water outlet pipe 5 is connected to the water pump body 2, the water pump portion 3 and the crankcase 1 are an integrally formed structure, the thermostat installation cavity 31 is connected to a plurality of water inlet pipes 32, and the thermostat installation cavity 31 is connected to a plurality of water inlet pipes 32. The cavity 31 includes an initial closed end 33 and an initial connecting end 34, and each water inlet pipe 32 is connected to the initial closed end 33 and the initial connecting end 34 respectively; the water inlet pipe 32 includes an oil cooler water outlet pipe 35 and a thermostat water inlet pipe 36 connected to the initial closed end 33; the water inlet pipe 32 includes a small circulating water pipe 37 connected to the initial connecting end 34; the initial closed end 33 is arranged at the upper part of the thermostat installation cavity 31, and the initial connecting end 34 is arranged at the lower part of the thermostat installation cavity 31.

[0048] A water pump portion 3 is provided on the crankcase 1, and a thermostat installation cavity 31 is provided on the water pump portion 3, wherein a thermostat body 4 is provided in the thermostat installation cavity 31. Therefore, in the present application, the thermostat body 4 is equivalent to being connected to a portion on the crankcase 1, rather than being a separate component independent of the crankcase 1. Therefore, the thermostat body 4 is arranged closer to the crankcase 1, thereby enabling the arrangement of the thermostat body 4 to be more compact.

Claims

1. A compact thermostat, comprising a crankcase (1), wherein the crankcase (1) is connected to a water pump body (2), characterized in that: The crankcase (1) includes a water pump portion (3), the water pump portion (3) is provided with a thermostat installation cavity (31), a thermostat body (4) is provided in the thermostat installation cavity (31), the thermostat installation cavity (31) is connected to a water outlet pipe (5), and the water outlet pipe (5) is connected to a water pump body (2).

2. A compact thermostat according to claim 1, characterized in that: The thermostat installation cavity (31) is connected to a plurality of water inlet pipes (32), the thermostat installation cavity (31) comprises an initial closed end (33) and an initial connecting end (34), and each of the water inlet pipes (32) is respectively connected to the initial closed end (33) and the initial connecting end (34).

3. A compact thermostat according to claim 2, characterized in that: The water inlet pipeline (32) includes an oil cooler water outlet pipe (35) and a thermostat water inlet pipe (36) connected to the initial closed end (33).

4. A compact thermostat according to claim 2, characterized in that: The water inlet pipeline (32) includes a small circulating water pipe (37) connected to the initial connection end (34).

5. A compact thermostat according to claim 2, characterized in that: The initial closed end (33) is arranged at the upper part of the thermostat installation cavity (31), and the initial communication end (34) is arranged at the lower part of the thermostat installation cavity (31).

6. A compact thermostat according to any one of claims 1 to 5, characterized in that: The thermostat installation cavity (31) comprises an inner cavity side wall (311), and a plurality of reinforcing ribs (312) are arranged on the inner cavity side wall (311).

7. A compact thermostat according to claim 6, characterized in that: The thermostat body (4) comprises an upper support frame (41) and a lower support frame (42), a side connecting plate (43) is connected between the upper support frame (41) and the lower support frame (42), and the side connecting plate (43) is located between adjacent reinforcing ribs (312).

8. A compact thermostat according to any one of claims 1 to 5, characterized in that: The water outlet pipe (5) is deviated from the central axis of the water pump portion (3) and communicates with the thermostat installation cavity (31).

9. A compact thermostat according to claim 8, characterized in that: The water outlet pipe (5) is tangentially connected to the thermostat installation cavity (31).

10. A compact thermostat according to any one of claims 1 to 5, characterized in that: The water pump proximal portion (3) and the crankcase (1) are an integrally formed structure.

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