Liquid outlet amount control structure and engine with same

Abstract

The utility model provides a liquid outlet quantity control structure and an engine with the liquid outlet quantity control structure, the liquid outlet quantity control structure comprises a main shell, the main shell is internally provided with a containing cavity used for containing fluid, and the shell wall of the main shell is provided with a liquid outlet used for releasing the fluid; at least part of the movable part is rotatably arranged in the accommodating cavity; a liquid flowing groove communicated with the containing cavity is formed in the outer wall of the movable part, and the liquid flowing groove is formed in the circumferential direction of at least part of the movable part; wherein the movable part is provided with a plugging position and a liquid outlet position; when the movable part rotates to the blocking position, the liquid flowing groove and the liquid outlet are arranged in a staggered mode, and the outer wall of the movable part blocks the liquid outlet. When the movable part is located at the liquid outlet position, at least part of the liquid flowing groove is opposite to the liquid outlet, so that the containing cavity is communicated with the liquid outlet through the liquid flowing groove. According to the technical scheme, the technical problem that in the prior art, oil consumption is large in the engine piston cooling process can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of engines, and in particular to a liquid output control structure and an engine having the same. Background Art

[0002] At present, during the working process of the engine, the piston needs to be cooled. The main method for cooling the engine piston in the prior art is to spray high-pressure engine oil into the cooling oil cavity in the piston through a piston cooling nozzle, and cool the piston by exchanging heat with the engine oil.

[0003] However, as the engine is increasingly strengthened, the need for piston cooling is also increasing. The existing piston cooling method cannot adjust the oil discharge time, so a large amount of oil is consumed during use. The flow rate can reach 30% to 40% of the total circulation flow rate of the engine oil, consuming a lot of power and unable to perform targeted oil discharge control. At the same time, the requirements for the oil pump are also higher, resulting in an increase in production costs. Utility Model Content

[0004] The main purpose of the utility model is to provide a liquid output control structure and an engine having the same, so as to solve the technical problem of large oil consumption in the cooling process of the engine piston in the prior art.

[0005] In order to achieve the above object, according to one aspect of the utility model, a liquid output control structure is provided, comprising:

[0006] A main housing, wherein the main housing has a receiving cavity for receiving a fluid, and a liquid outlet for releasing the fluid is arranged on a shell wall of the main housing;

[0007] A movable member, at least a portion of which is rotatably and movably arranged in the accommodating cavity; a liquid flow groove connected to the accommodating cavity is arranged at an outer wall of the movable member, and the liquid flow groove is arranged along the circumference of at least a portion of the movable member; along the circumferential direction of the movable member, a width of a portion of the liquid flow groove is different from a width of another portion of the liquid flow groove;

[0008] Among them, the movable part has a blocking position and a liquid outlet position; when the movable part rotates to the blocking position, the liquid groove and the liquid outlet are staggered, and the outer wall of the movable part blocks the liquid outlet; when the movable part is in the liquid outlet position, at least part of the liquid groove is arranged opposite to the liquid outlet, so that the accommodating cavity is connected with the liquid outlet through the liquid groove.

[0009] Furthermore, the liquid output control structure also includes:

[0010] A rotating transmission member is arranged on the movable member, and is used to drive the movable member to rotate so that the movable member switches between a blocking position and a liquid discharge position;

[0011] The crankshaft of the engine is drivingly connected to the rotating transmission member so that at least part of the movable member rotates according to the rotation of the crankshaft.

[0012] Further, the liquid groove comprises a first groove section and a second groove section arranged along at least part of the axial direction of the movable member, and the first groove section and the second groove section are both arranged along at least part of the circumferential direction of the movable member; the first groove section and the second groove section are both communicated with the accommodating cavity;

[0013] In which, the movable part is movably arranged along at least part of the axial direction of the movable part, so that the movable part has a first movable position in which at least part of the first groove segment is used to be arranged opposite to the liquid outlet and a second movable position in which at least part of the second groove segment is used to be arranged opposite to the liquid outlet; the central angle corresponding to the first groove segment is α; the central angle corresponding to the second groove segment is β; β>α.

[0014] Further, the crankshaft of the engine is drivingly connected to at least part of the movable member, and the transmission ratio between the crankshaft and at least part of the movable member is 2;

[0015] Among them, α=90°; and / or, β=180°.

[0016] Furthermore, the liquid output control structure also includes:

[0017] A displacement driving member, wherein the driving end of the displacement driving member is movably arranged along at least part of the axial direction of the movable member, and the driving end of the displacement driving member is drivingly connected to an end of the movable member away from the accommodating cavity.

[0018] Further, the first groove section is a strip-shaped groove, and along at least part of the axial direction of the movable member, the groove width of the first groove section is greater than or equal to the diameter of the liquid outlet; and / or,

[0019] The second groove section is a strip-shaped groove, and along at least part of the axial direction of the movable member, the groove width of the second groove section is greater than or equal to the diameter of the liquid outlet.

[0020] Furthermore, a liquid-flowing hole is provided at the bottom of the liquid-flowing groove, the liquid-flowing hole is located at the bottom of the first groove section and communicated with the first groove section, or is located at the bottom of the second groove section and communicated with the second groove section, and the liquid-flowing hole is communicated with the accommodating cavity;

[0021] Wherein, the first slot section is connected to the second slot section.

[0022] Further, the movable member is a movable shaft, and the movable shaft includes a first shaft segment, a second shaft segment and a third shaft segment connected in sequence;

[0023] Wherein, the third shaft section is located on a side of the second shaft section close to the accommodating cavity; the liquid flow groove is located at the third shaft section; and / or,

[0024] The cross-sectional area of ​​the second shaft segment is smaller than the cross-sectional area of ​​the first shaft segment; and / or,

[0025] The cross-sectional area of ​​the third shaft segment is smaller than the cross-sectional area of ​​the first shaft segment; and / or,

[0026] The movable part has a connecting cavity and a connecting port connected to the connecting cavity, and the connecting cavity is connected to the accommodating cavity through the connecting port; the connecting port is located at one end of the third shaft section away from the second shaft section; the liquid groove is connected to the accommodating cavity through the connecting cavity.

[0027] Furthermore, the liquid output control structure further comprises a nozzle, which is inserted into the liquid outlet, and the nozzle outlet is arranged toward the cooling oil chamber of the engine piston; and / or,

[0028] The main shell is provided with a fluid inlet, which is used to pass the fluid into the accommodating cavity; the fluid inlet is spaced apart from the movable part.

[0029] According to another aspect of the present invention, an engine is provided, and the engine includes the above-mentioned liquid output control structure.

[0030] By applying the technical solution of the utility model, the movable part can be switched between the blocking position and the liquid outlet position by rotating at least part of the movable part, so that the fluid contained in the accommodating chamber can flow out from the liquid outlet through the liquid groove only when the movable part is in the liquid outlet position. Through such a setting, the opening and closing state of the liquid outlet can be adjusted by setting the liquid groove in combination with the rotation of the movable part, so that the liquid outlet can discharge the fluid in the main shell periodically and more specifically. Compared with the solution in which the liquid outlet is always connected to the accommodating chamber, the technical solution of the utility model can reduce the liquid output and reduce the consumption of the fluid. Therefore, the technical problem of high oil consumption in the engine piston cooling process in the prior art can be solved through the technical solution of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0032] Figure 1 A cross-sectional schematic diagram of a liquid output control structure provided according to the first embodiment of the utility model is shown;

[0033] Figure 2 A schematic structural diagram of a movable part provided according to the first embodiment of the utility model is shown;

[0034] Figure 3 The figure shows a front view of a movable part provided according to the first embodiment of the utility model;

[0035] Figure 4 The figure shows the relationship between the oil injection amount of the oil nozzle and the torque and the rotation speed during the application of the liquid output control structure provided in the first embodiment of the present utility model.

[0036] The above drawings include the following reference numerals:

[0037] 10. Main housing; 11. Accommodating chamber; 12. Liquid outlet; 13. Fluid inlet;

[0038] 20. movable part; 21. first shaft section; 22. second shaft section; 23. third shaft section; 24. connecting cavity; 241. connecting port;

[0039] 30. Liquid flow groove; 31. First groove section; 32. Second groove section; 33. Liquid flow hole;

[0040] 40. Rotating transmission member;

[0041] 50. Displacement drive member;

[0042] 60. Nozzle. DETAILED DESCRIPTION

[0043] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0044] like Figures 1 to 3 As shown, the first embodiment of the utility model provides a liquid output control structure, which includes a main shell 10 and a movable part 20. The main shell 10 has a receiving chamber 11 for receiving a fluid, and a liquid outlet 12 for releasing the fluid is arranged on the shell wall of the main shell 10. At least part of the movable part 20 is rotatably and movably arranged in the receiving chamber 11; a liquid flow groove 30 connected to the receiving chamber is arranged on the outer wall of the movable part 20, and the liquid flow groove 30 is arranged along the circumference of at least part of the movable part 20. Along the circumferential direction of the movable part 20, the width of a part of the liquid flow groove 30 is different from the width of another part of the liquid flow groove 30. Among them, the movable part 20 has a blocking position and a liquid outlet position; when the movable part 20 rotates to the blocking position, the liquid groove 30 and the liquid outlet 12 are offset, and the outer wall of the movable part 20 blocks the liquid outlet 12; when the movable part 20 is in the liquid outlet position, at least part of the liquid groove 30 is arranged opposite to the liquid outlet 12, so that the accommodating chamber 11 is connected with the liquid outlet 12 through the liquid groove 30.

[0045] The liquid discharge control structure provided in the first embodiment of the utility model can switch the movable part 20 between the blocking position and the liquid discharge position by rotating at least part of the movable part 20, so that the fluid contained in the accommodating chamber 11 can flow out from the liquid outlet 12 through the liquid groove 30 only when the movable part 20 is in the liquid discharge position. Through such a setting, the opening and closing state of the liquid outlet 12 can be adjusted by the setting of the liquid groove 30 combined with the rotation of the movable part 20, so that the liquid outlet 12 can discharge the fluid in the main housing 10 periodically and more specifically. Compared with the solution in which the liquid outlet 12 is always connected to the accommodating chamber 11, the technical solution provided in the first embodiment can better reduce the liquid discharge and reduce the consumption of the fluid. Therefore, the liquid discharge control structure provided in this embodiment can solve the technical problem of high oil consumption in the cooling process of the engine piston in the prior art.

[0046] Specifically, the width of the liquid-flowing groove 30 refers to the groove width of the liquid-flowing groove 30 along the axial direction of the movable member 20 .

[0047] Specifically, the fluid in the accommodating chamber 11 is a cooling medium for heat exchange. Specifically, the fluid in the accommodating chamber 11 is engine oil. Specifically, the fluid in the accommodating chamber 11 is high-pressure engine oil. With such a setting, the opening and closing state of the liquid outlet 12 can be adjusted by setting the liquid groove 30 in combination with the rotation of the movable part 20, so that the liquid outlet 12 can discharge the engine oil in the main housing 10 periodically and more specifically, thereby reducing the oil output and reducing the consumption of the engine oil.

[0048] Specifically, the liquid discharge control structure further includes a rotating transmission member 40, which is arranged on the movable member 20, and is used to drive the movable member 20 to rotate so that the movable member 20 switches between the blocking position and the liquid discharge position. The crankshaft of the engine is connected to the rotating transmission member 40 in a driving manner so that at least part of the movable member 20 rotates according to the rotation of the crankshaft. With such a structural arrangement, by connecting the rotating transmission member 40 in a driving manner to the crankshaft of the engine, at least part of the movable member 20 can rotate according to the rotation of the crankshaft. The crankshaft of the engine rotates two circles to complete the four strokes of intake, compression, power and exhaust, so that the rotating transmission member 40 is connected to the crankshaft driving of the engine, so that at least part of the circumferential position of the movable member 20 can correspond to the four strokes of intake, compression, power and exhaust. On this basis, combined with the setting of the liquid groove 30, the blocking position and the liquid outlet position of the movable member 20 can be correlated with the four strokes of intake, compression, power and exhaust, so that the oil in the accommodating chamber 11 can flow out only during a certain stroke or multiple strokes through the liquid outlet control structure, thereby effectively reducing the consumption of the engine oil.

[0049] Specifically, the rotating transmission member 40 is a transmission gear, and the engine crankshaft gear is drivingly connected to the transmission gear.

[0050] In this embodiment, the liquid groove 30 includes a first groove section 31 and a second groove section 32 arranged along at least part of the axial direction of the movable member 20, and the first groove section 31 and the second groove section 32 are both arranged along at least part of the circumference of the movable member 20; the first groove section 31 and the second groove section 32 are both connected to the accommodating chamber 11. The movable member 20 is movably arranged along at least part of the axial direction of the movable member 20, so that the movable member 20 has a first movable position in which at least part of the first groove section 31 is used to be arranged opposite to the liquid outlet 12 and a second movable position in which at least part of the second groove section 32 is used to be arranged opposite to the liquid outlet 12; the central angle corresponding to the first groove section 31 is α; the central angle corresponding to the second groove section 32 is β; β>α. With such a structural arrangement, when the movable member 20 is in the first movable position, when at least a portion of the first groove section 31 is disposed opposite to the liquid outlet 12, the engine oil can flow out of the liquid outlet 12 through the first groove section 31; when at least a portion of the first groove section 31 is disposed offset from the liquid outlet 12 and at least a portion of the outer wall of the movable member 20 is disposed opposite to the liquid outlet 12 to block the liquid outlet 12, the engine oil cannot flow out of the liquid outlet 12. When the movable member 20 is in the second movable position, when at least a portion of the second groove section 32 is disposed opposite to the liquid outlet 12, the engine oil can flow out of the liquid outlet 12 through the second groove section 32; when at least a portion of the second groove section 32 is disposed offset from the liquid outlet 12 and at least a portion of the outer wall of the movable member 20 is disposed opposite to the liquid outlet 12 to block the liquid outlet 12, the engine oil cannot flow out of the liquid outlet 12. In this way, by setting the first groove section 31 and the second groove section 32, the movable part 20 has two movable positions for opening and closing control of the liquid outlet 12, so that the corresponding movable position can be selected according to different needs in different situations, so as to better adjust the oil discharge timing.

[0051] Specifically, the crankshaft of the engine is drivingly connected to at least part of the movable member 20, and the transmission ratio of the crankshaft to at least part of the movable member 20 is 2. Wherein, α=90°. With such a structural arrangement, since the crankshaft of the engine rotates 2 times to complete the four strokes of intake, compression, power, and exhaust, the rotating transmission member 40 is drivingly connected to the crankshaft of the engine, and the transmission ratio of the crankshaft to at least part of the movable member 20 is 2, that is, the crankshaft rotates 2 times and at least part of the movable member 20 rotates 1 time. At this time, the period of the power stroke accounts for 1 / 4 of the circumferential length of at least part of the movable member 20. Therefore, by making the central angle corresponding to the first groove section 31 90°, the liquid outlet 12 can discharge oil outward during the period corresponding to the power stroke, and the high temperature condition of the engine piston mainly occurs in the power stroke. Through such an arrangement, the engine oil only flows outward during the power stroke to cool down, which can more effectively achieve the purpose of cooling, reduce the consumption of engine oil, and further improve the utilization efficiency of engine oil.

[0052] Specifically, at least part of the movable member 20 is connected to the crankshaft of the engine, and the transmission ratio between the crankshaft and at least part of the movable member 20 is 2. Wherein, β=180°. With such a structural arrangement, since the crankshaft of the engine rotates 2 times to complete the four strokes of intake, compression, power, and exhaust, the rotating transmission member 40 is connected to the crankshaft of the engine, and the transmission ratio between the crankshaft and at least part of the movable member 20 is 2, that is, the crankshaft rotates 2 times and at least part of the movable member 20 rotates 1 time. At this time, the period of the power stroke and the compression stroke accounts for 1 / 2 of the circumferential length of at least part of the movable member 20. Therefore, by making the central angle corresponding to the second groove section 32 180°, the liquid outlet 12 can be made to discharge oil outward during the period corresponding to the power stroke and the compression stroke. By such an arrangement, the oil only flows out to cool down during the power stroke and the compression stroke, which can more effectively achieve the purpose of cooling, reduce the consumption of the oil, and further improve the utilization efficiency of the oil.

[0053] In this embodiment, the liquid output control structure further includes a displacement driving member 50, the driving end of which is movably arranged along at least part of the axial direction of the movable member 20, and the driving end of the displacement driving member 50 is drivingly connected to an end of the movable member 20 away from the accommodating chamber 11. With such a structural arrangement, the displacement driving member 50 can drive at least part of the movable member 20 to move in its axial direction, and combined with the arrangement of the liquid flow groove 30, the size of the communication area between the liquid flow groove 30 and the liquid outlet 12 can be adjusted, thereby realizing the control of different oil volumes to achieve the best utilization of the oil volume.

[0054] Specifically, the displacement driving member 50 is a stepping motor, and the stepping motor controls the movement position of at least part of the movable member 20 through an ECU (electronic controller). With such a structural arrangement, when at least part of the movable member 20 moves to a position where the liquid groove 30 and the liquid outlet 12 can communicate, oil can be discharged. Figure 4 As shown, the ECU can calibrate and control the oil output to achieve the optimal injection amount, and can also correct the ambient temperature and oil temperature.

[0055] Specifically, the first groove section 31 is a strip groove, and along the axial direction of at least part of the movable member 20, the groove width of the first groove section 31 is greater than or equal to the diameter of the liquid outlet 12. With such a structural arrangement, when the movable member 20 is in the first movable position, it can be better ensured that at least part of the first groove section 31 can be used to be arranged opposite to the liquid outlet 12, thereby facilitating the control of whether or not oil is discharged and the amount of oil discharged, thereby better improving the utilization efficiency of the engine oil.

[0056] Specifically, the second groove section 32 is a strip groove, and along the axial direction of at least part of the movable member 20, the groove width of the second groove section 32 is greater than or equal to the diameter of the liquid outlet 12. With such a structural arrangement, when the movable member 20 is in the second movable position, it can be better ensured that at least part of the second groove section 32 can be used to be arranged opposite to the liquid outlet 12, thereby facilitating the control of whether or not the oil is discharged and the amount of oil discharged, thereby better improving the utilization efficiency of the engine oil.

[0057] In this embodiment, a liquid hole 33 is provided at the bottom of the liquid groove 30. The liquid hole 33 is located at the bottom of the first groove section 31 and communicates with the first groove section 31, or is located at the bottom of the second groove section 32 and communicates with the second groove section 32. The liquid hole 33 is communicated with the accommodating chamber 11. The first groove section 31 and the second groove section 32 are arranged in communication. With such a structural arrangement, the liquid groove 30 can be communicated with the accommodating chamber 11 through the arrangement of the liquid hole 33. At the same time, the first groove section 31 and the second groove section 32 are communicated with each other. Only one liquid hole 33 is required to fill the first groove section 31 and the second groove section 32 with engine oil, so that when the first groove section 31 is opposite to the liquid outlet 12 or the second groove section 32 is opposite to the liquid outlet 12, the engine oil can flow out from the liquid outlet 12, thereby effectively optimizing the structural layout.

[0058] Specifically, the movable part 20 is a movable shaft, and the movable shaft includes a first shaft section 21, a second shaft section 22, and a third shaft section 23 connected in sequence. Among them, the third shaft section 23 is located on the side of the second shaft section 22 close to the accommodating chamber 11; the liquid groove 30 is located at the third shaft section 23. With such a structural arrangement, the structural layout of the movable shaft and the accommodating chamber 11 is further optimized. The arrangement of the liquid groove 30 close to the accommodating chamber 11 can make it easier to adjust the oil output, and can also speed up the oil circulation efficiency, thereby further improving the oil output efficiency.

[0059] Specifically, the movable part 20 is a movable shaft, and the movable shaft includes a first shaft segment 21, a second shaft segment 22 and a third shaft segment 23 connected in sequence. Among them, the cross-sectional area of ​​the second shaft segment 22 is smaller than the cross-sectional area of ​​the first shaft segment 21. Specifically, the first shaft segment 21 is configured to be adaptively sized to the accommodating chamber 11. With such a structural setting, the oil in the accommodating chamber 11 can be prevented from flowing out of the gap between the movable shaft and the main housing 10 by adaptively arranging the first shaft segment 21 to the accommodating chamber 11. At the same time, the contact area between the movable shaft and the accommodating chamber 11 can be reduced by setting the cross-sectional area of ​​the second shaft segment 22, thereby reducing the friction between the movable shaft and the accommodating chamber 11 during movement or rotation, thereby reducing the loss of the movable shaft and the accommodating chamber 11 during use, and further extending their service life.

[0060] Specifically, the movable part 20 is a movable shaft, and the movable shaft includes a first shaft segment 21, a second shaft segment 22 and a third shaft segment 23 connected in sequence. Among them, the cross-sectional area of ​​the third shaft segment 23 is smaller than the cross-sectional area of ​​the first shaft segment 21. Specifically, the third shaft segment 23 is adapted to the size of the accommodating chamber 11. With such a structural setting, the oil in the accommodating chamber 11 can be prevented from flowing out of the gap between the movable shaft and the main housing 10 by setting the third shaft segment 23 to be adapted to the size of the accommodating chamber 11. At the same time, the contact area between the movable shaft and the accommodating chamber 11 can be reduced by setting the cross-sectional area of ​​the second shaft segment 22, thereby reducing the friction between the movable shaft and the accommodating chamber 11 during movement or rotation, thereby reducing the loss of the movable shaft and the accommodating chamber 11 during use, and further extending their service life.

[0061] Specifically, the movable part 20 is a movable shaft, and the movable shaft includes a first shaft section 21, a second shaft section 22, and a third shaft section 23 connected in sequence. The movable part 20 has a connecting cavity 24 and a connecting port 241 connected to the connecting cavity 24, and the connecting cavity 24 is connected to the accommodating cavity 11 through the connecting port 241; the connecting port 241 is located at one end of the third shaft section 23 away from the second shaft section 22; the liquid groove 30 is connected to the accommodating cavity 11 through the connecting cavity 24. With such a structural setting, the liquid groove 30 can be connected to the accommodating cavity 11 through the setting of the connecting cavity 24, and the structure is simple and easy to set up.

[0062] In this embodiment, the liquid output control structure further includes a nozzle 60, which is inserted into the liquid outlet 12, and the nozzle 60 is disposed toward the cooling oil cavity of the engine piston. With such a structural arrangement, the nozzle 60 can be arranged to increase the outflow speed of the oil flowing to the cooling oil cavity of the engine piston, thereby further improving the cooling efficiency.

[0063] In this embodiment, a fluid inlet 13 is provided on the main housing 10, and the fluid inlet 13 is used to pass the fluid into the accommodating chamber 11; the fluid inlet 13 is spaced apart from the movable member 20. With such a structural arrangement, the fluid can be passed into the accommodating chamber 11 through the fluid inlet 13, and the spaced arrangement of the fluid inlet 13 and the movable member 20 can prevent the movement of the movable member 20 from interfering with the flow of the oil into the accommodating chamber 11, further ensuring the normal use of the liquid output control structure.

[0064] A second embodiment of the present invention provides an engine, which includes the liquid output control structure provided in the first embodiment.

[0065] The engine provided by the second embodiment of the utility model can switch the movable part 20 between the blocking position and the liquid outlet position by rotating at least part of the movable part 20, so that the oil contained in the accommodating chamber 11 can flow out from the liquid outlet 12 through the liquid groove 30 only when the movable part 20 is in the liquid outlet position. Through such a setting, the opening and closing state of the liquid outlet 12 can be adjusted by the setting of the liquid groove 30 combined with the rotation of the movable part 20, so that the liquid outlet 12 can discharge the oil in the main housing 10 periodically and more specifically. Compared with the solution in which the liquid outlet 12 is always connected to the accommodating chamber 11, the technical solution provided by the second embodiment can better reduce the amount of liquid discharged and reduce the consumption of fluid. Therefore, the engine provided by this embodiment can solve the technical problem of large oil consumption in the cooling process of the engine piston in the prior art.

[0066] From the above description, it can be seen that the above embodiment of the utility model achieves the following technical effects: utilizing the characteristics of different phases for piston cooling requirements, a cooling nozzle oil quantity control device is designed using variable oil quantity control technology, which can save 50% of the oil flow, and can also increase the nozzle flow by more than 50% without increasing the oil pump flow. While achieving precise control of the cooling oil quantity, it reduces oil consumption and achieves energy-saving effects.

[0067] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0068] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the application. Meanwhile, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to actual proportional relationships. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0069] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the structure or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present application. The directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0070] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0071] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0072] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A liquid output control structure, characterized in that: include: A main housing (10), wherein the main housing (10) has a receiving chamber (11) for receiving a fluid, and a liquid outlet (12) for releasing the fluid is arranged on a housing wall of the main housing (10); A movable part (20), at least a portion of which is rotatably and movably arranged in the accommodating cavity (11); a liquid flow groove (30) communicating with the accommodating cavity is arranged on an outer wall of the movable part (20), and the liquid flow groove (30) is arranged along the circumference of at least a portion of the movable part (20); along the circumferential direction of the movable part (20), a width of a portion of the liquid flow groove (30) is different from a width of another portion of the liquid flow groove (30); The movable part (20) has a blocking position and a liquid outlet position; when the movable part (20) rotates to the blocking position, the liquid flow groove (30) and the liquid outlet (12) are offset, and the outer wall of the movable part (20) blocks the liquid outlet (12); when the movable part (20) is in the liquid outlet position, at least a portion of the liquid flow groove (30) is arranged opposite to the liquid outlet (12), so that the accommodating cavity (11) is connected with the liquid outlet (12) through the liquid flow groove (30).

2. The liquid output control structure according to claim 1, characterized in that: The liquid output control structure also includes: a rotating transmission member (40) disposed on the movable member (20), the rotating transmission member (40) being used to drive the movable member (20) to rotate so that the movable member (20) switches between the blocking position and the liquid outlet position; The crankshaft of the engine is drivingly connected to the rotating transmission member (40) so that at least part of the movable member (20) rotates according to the rotation of the crankshaft.

3. The liquid output control structure according to claim 1, characterized in that: The liquid groove (30) comprises a first groove section (31) and a second groove section (32) arranged along at least part of the axial direction of the movable part (20); the first groove section (31) and the second groove section (32) are both arranged along at least part of the circumference of the movable part (20); the first groove section (31) and the second groove section (32) are both communicated with the accommodating cavity (11); The movable member (20) is movably arranged along at least part of the axial direction of the movable member (20), so that the movable member (20) has a first movable position in which at least part of the first groove section (31) is used to be arranged relative to the liquid outlet (12), and a second movable position in which at least part of the second groove section (32) is used to be arranged relative to the liquid outlet (12); the central angle corresponding to the first groove section (31) is α; the central angle corresponding to the second groove section (32) is β; β>α.

4. The liquid output control structure according to claim 3, characterized in that: The crankshaft of the engine is drivingly connected to at least a portion of the movable member (20), and the transmission ratio between the crankshaft and at least a portion of the movable member (20) is 2; Among them, α=90°; and / or, β=180°.

5. The liquid output control structure according to claim 3, characterized in that: The liquid output control structure also includes: A displacement driving member (50), wherein the driving end of the displacement driving member (50) is movably arranged along at least part of the axial direction of the movable member (20), and the driving end of the displacement driving member (50) is drivingly connected to an end of the movable member (20) away from the accommodating cavity (11).

6. The liquid output control structure according to claim 3, characterized in that: The first groove section (31) is a strip-shaped groove, and along at least part of the axial direction of the movable member (20), the groove width of the first groove section (31) is greater than or equal to the diameter of the liquid outlet (12); and / or, The second groove section (32) is a strip-shaped groove, and along at least part of the axial direction of the movable part (20), the groove width of the second groove section (32) is greater than or equal to the diameter of the liquid outlet (12).

7. The liquid output control structure according to claim 3, characterized in that: The bottom of the liquid flow groove (30) is provided with a liquid flow hole (33), the liquid flow hole (33) is located at the bottom of the first groove section (31) and is in communication with the first groove section (31), or is located at the bottom of the second groove section (32) and is in communication with the second groove section (32), and the liquid flow hole (33) is in communication with the accommodating cavity (11); Wherein, the first slot section (31) is connected to the second slot section (32).

8. The liquid output control structure according to claim 1, characterized in that: The movable member (20) is a movable shaft, and the movable shaft comprises a first shaft section (21), a second shaft section (22) and a third shaft section (23) which are connected in sequence; Wherein, the third shaft section (23) is located on a side of the second shaft section (22) close to the accommodating chamber (11); the liquid flow groove (30) is located at the third shaft section (23); and / or, The cross-sectional area of ​​the second shaft segment (22) is smaller than the cross-sectional area of ​​the first shaft segment (21); and / or, The cross-sectional area of ​​the third shaft segment (23) is smaller than the cross-sectional area of ​​the first shaft segment (21); and / or, The movable part (20) has a connecting cavity (24) and a connecting port (241) connected to the connecting cavity (24); the connecting cavity (24) is connected to the accommodating cavity (11) through the connecting port (241); the connecting port (241) is located at an end of the third shaft section (23) away from the second shaft section (22); the liquid flow groove (30) is connected to the accommodating cavity (11) through the connecting cavity (24).

9. The liquid output control structure according to claim 1, characterized in that: The liquid output control structure further comprises a nozzle (60), wherein the nozzle (60) is inserted into the liquid outlet (12), and the nozzle (60) is disposed toward the cooling oil chamber of the engine piston; and / or, The main housing (10) is provided with a fluid inlet (13), and the fluid inlet (13) is used to pass the fluid into the accommodating chamber (11); the fluid inlet (13) is spaced apart from the movable part (20).

10. An engine, characterized in that: The engine comprises the liquid output control structure according to any one of claims 1 to 9.

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