CN106593675B

CN106593675B - Engine and motorcycle

Info

Publication number: CN106593675B
Application number: CN201611262274.3A
Authority: CN
Inventors: 余华荣; 云超; 王振亚
Original assignee: Jiangmen Dachangjiang Group Co Ltd
Current assignee: Jiangmen Dachangjiang Group Co Ltd
Priority date: 2016-12-30
Filing date: 2016-12-30
Publication date: 2022-03-08
Anticipated expiration: 2036-12-30
Also published as: CN106593675A

Abstract

The invention discloses an engine and a motor bicycle, wherein the engine comprises a box body, a cylinder head and a temperature sensor, the cylinder body is provided with a cylinder body oiling bolt hole, the right side below the cylinder head is provided with a cylinder head oiling bolt hole communicated with the cylinder body oiling bolt hole, the cylinder head is also provided with a camshaft oil duct and a rocker shaft hole communicated with the bolt hole at the upper end of the cylinder head, the right side, the left side and the front side of the cylinder head are respectively and correspondingly provided with a cylinder head right cover, a cylinder head left cover and a cylinder head front cover, the right cover of the cylinder head is provided with a right cover oil inlet channel, a right cover oil return channel and a sensor mounting hole, the temperature sensor is mounted on the right cover of the cylinder head through the sensor mounting hole, the sensor mounting hole is communicated with the right cover oil inlet channel or the right cover oil return channel, and the first end of the right cover oil inlet channel is communicated with the rocker shaft hole. The engine and the motorcycle are provided with a temperature sensor, and the temperature of the engine can be measured.

Description

Engine and motorcycle

Technical Field

The invention relates to the technical field of engines, in particular to an engine and a motor bicycle.

Background

In the engine of the two-wheel electric spraying motorcycle, a temperature sensor is generally required to measure the engine temperature. Traditionally, there are two types of temperature sensor mounting methods: one is that the mounting hole of the temperature sensor is communicated with the main oil inlet channel of the cylinder body or the cylinder head, or the mounting hole of the temperature sensor is communicated with the main oil return channel of the cylinder body or the cylinder head, and the scheme requires that the surface of the cylinder body or the cylinder head of the engine has enough space positions to mount the temperature sensor to be communicated with the main oil inlet channel or the main oil return channel, and has limitation on the application of some engines without enough mounting space. The other is that the mounting hole of the temperature sensor is directly arranged on the surface of the cylinder body or the cylinder head, the scheme must ensure that the temperature of the mounting position of the temperature sensor does not exceed the upper limit temperature of the sensor when the engine runs, and in addition, when the idling condition of the whole vehicle is not provided with forced cooling air, the problem that the temperature of the temperature sensor suddenly rises when the whole vehicle stops after riding and idles can exist, so that the temperature measurement is unstable, and the running stability of the engine is reduced.

For the main oil inlet channel and the main oil return channel structure of the horizontal engine of the camber beam vehicle, the main oil inlet channel and the main oil return channel of the cylinder body or the cylinder head are not provided with proper temperature sensor mounting positions, and are generally not provided with temperature sensors, so that the fuel combustion efficiency of the engine is not improved.

Disclosure of Invention

In view of the above, it is necessary to provide an engine and a motorcycle in which a temperature sensor is disposed to measure the temperature of the engine.

The technical scheme is as follows:

an engine comprises a box body, a cylinder head and a temperature sensor, wherein the cylinder body is connected with the box body, a cylinder body oiling bolt hole is arranged on the cylinder body, one end of the cylinder body oiling bolt hole is communicated with a lubricating oil channel of the box body, the rear side of the cylinder head is connected with the cylinder body, a cylinder head oiling bolt hole communicated with the cylinder body oiling bolt hole is arranged on the right side of the cylinder head, a camshaft oil duct and a rocker arm shaft hole communicated with the cylinder head oiling bolt hole are further arranged on the cylinder head, a cylinder head right cover, a cylinder head left cover and a cylinder head front cover are correspondingly arranged on the right side, the left side and the front side of the cylinder head respectively, a right cover oil inlet channel, a right cover oil return channel and a sensor mounting hole are arranged on the cylinder head right cover, the temperature sensor is arranged on the cylinder head right cover through the sensor mounting hole, the sensor mounting hole is communicated with the right cover oil inlet channel or the right cover oil return channel, the first end of the right cover oil inlet channel is communicated with the shaft hole of the rocker arm, the second end of the right cover oil inlet channel is communicated with the first end of the right cover oil return channel, and the second end of the right cover oil return channel is communicated with the oil duct of the camshaft.

In one embodiment, an oil storage tank is further arranged on the cylinder head right cover, the second end of the right cover oil inlet channel is communicated with the oil storage tank, the first end of the right cover oil return channel is communicated with the oil storage tank, and the sensor mounting hole is communicated with the oil storage tank.

In one embodiment, the temperature sensor comprises a detection head, and the detection head is mounted at the bottom of the oil storage tank.

In one embodiment, the oil storage tank is arranged on the side, away from the cylinder head, of the cylinder head right cover.

In one embodiment, the right cover oil inlet passage includes a first oil passage disposed in an up-down direction and a second oil passage disposed in a left-right direction, a lower portion of the first oil passage communicates with the rocker shaft hole, an upper portion of the first oil passage communicates with one end of the second oil passage, and another end of the second oil passage communicates with an upper portion of the oil storage tank.

In one embodiment, the right cover oil return passage comprises a third oil passage arranged in the up-down direction and a fourth oil passage arranged in the left-right direction, the lower portion of the third oil passage is communicated with the camshaft oil passage, the upper portion of the third oil passage is communicated with one end of the fourth oil passage, and the other end of the fourth oil passage is communicated with the upper portion of the oil storage tank.

In one embodiment, the box body is provided with an oil pump for driving lubricating oil to move.

A motorcycle includes a frame and an engine, a front wheel is rotatably supported at a front portion of the frame via a front fork, a rear wheel is rotatably supported at a rear portion of the frame via a rocker arm, the engine is provided at a lower portion of a center in a front-rear direction of the frame, a seat is provided above the engine, a storage box is provided below the seat, and a straddle portion is provided in front of the seat and the storage box.

The invention has the beneficial effects that:

the engine comprises a cylinder head right cover, a right cover oil inlet channel, a right cover oil return channel and a sensor mounting hole, wherein the sensor mounting hole is communicated with the right cover oil inlet channel or the right cover oil return channel, a first end of the right cover oil inlet channel is communicated with a rocker shaft hole, a second end of the right cover oil inlet channel is communicated with a first end of the right cover oil return channel, a second end of the right cover oil return channel is communicated with a camshaft oil duct, a cylinder body oiling bolt hole, a cylinder head oiling bolt hole and a rocker shaft hole can form a main oil inlet channel, lubricating oil in a box body is introduced into the cylinder head right cover and flows back to the camshaft oil duct of the cylinder head after sequentially passing through the right cover oil inlet channel and the right cover oil return channel to form a circulation loop, a temperature sensor is mounted at the sensor mounting hole, and can measure the temperature of the lubricating oil in the right cover oil inlet channel or the right cover oil return channel, so that the temperature of the engine is measured. Through carrying out the oil circuit to the cylinder head right side lid and arranging, the cylinder head right side lid can be used to install temperature sensor and realize the temperature measurement to the engine to, right side lid oil feed way or right side lid oil return passage are with main oil feed way intercommunication, and temperature sensor detects the lubricating oil temperature on the main oil feed way promptly, and temperature measurement is comparatively stable, and difficult sudden change has effectively compensatied the problem that traditional camber beam car horizontal engine can't install temperature sensor on cylinder head or cylinder body.

The motorcycle comprises the engine, has the technical effects of the engine, can realize the measurement of the temperature of the engine, and is beneficial to the improvement of the fuel combustion efficiency.

Drawings

FIG. 1 is a schematic block diagram of an engine according to an embodiment of the present invention;

FIG. 2 is a first schematic structural diagram of a cylinder head right cover of an engine according to an embodiment of the invention;

FIG. 3 is a second schematic structural diagram of a right cylinder head cover of the engine according to the embodiment of the invention;

FIG. 4 is a cross-sectional view of a right cylinder head cover of an engine according to an embodiment of the present invention;

FIG. 5 is a sectional view taken along line A-A of FIG. 4;

FIG. 6 is a first schematic diagram illustrating an oil path structure of an engine according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a second oil path structure of the engine according to the embodiment of the present invention;

fig. 8 is a schematic structural view of a motorcycle according to an embodiment of the present invention.

Description of reference numerals:

1. the engine comprises an engine body 100, a box body 200, a cylinder body 210, a cylinder body oiling bolt hole 300, a cylinder head 310, a cylinder head oiling bolt hole 320, a camshaft oil passage 330, a rocker shaft hole 400, a temperature sensor 410, a detection head 500, a cylinder head right cover 510, a right cover oil inlet passage 512, a first oil passage 514, a second oil passage 520, a right cover oil return passage 522, a third oil passage 524, a fourth oil passage 530, a sensor mounting hole 540, an oil storage tank 600, a cylinder head left cover 700, a cylinder head front cover 2, a frame 3, a front fork 4, a front wheel 5, a rocker arm 6, a rear wheel 7, a vehicle seat 8, a storage box 9 and a straddle part.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, an engine includes a case 100, a cylinder block 200, a cylinder head 300, and a temperature sensor 400. The cylinder 200 is connected to the tank 100. Be equipped with cylinder body oiling bolt hole 210 on cylinder body 200, cylinder body oiling bolt hole 210's one end with the lubricated oil duct intercommunication of box 100. The rear side of the cylinder head 300 is connected with the cylinder body 200, the right side below the cylinder head 300 is provided with a cylinder head oiling bolt hole 310 communicated with the cylinder body oiling bolt hole 210, and the cylinder head 300 is further provided with a camshaft oil passage 320 and a rocker shaft hole 330 communicated with the cylinder head oiling bolt hole 310. The right side, the left side and the front side of the cylinder head 300 are respectively and correspondingly provided with a cylinder head right cover 500, a cylinder head left cover 600 and a cylinder head front cover 700. As shown in fig. 2 and 3, the cylinder head right cover 500 is provided with a right cover oil inlet channel 510, a right cover oil return channel 520 and a sensor mounting hole 530. The temperature sensor 400 is mounted on the cylinder head right cover 500 through the sensor mounting hole 530. The sensor mounting hole 530 is communicated with the right cover oil inlet passage 510 or the right cover oil return passage 520. A first end of the right cover oil inlet channel 510 is communicated with the rocker shaft hole 330, and a second end of the right cover oil inlet channel 510 is communicated with a first end of the right cover oil return channel 520. A second end of the right cover oil gallery 520 is communicated with the camshaft oil passage 320. For convenience of illustration, the cylinder head right cover 500 is partially cut away in fig. 2 and 3, so as to illustrate the right cover oil inlet channel 510, the right cover oil return channel 520 and the sensor mounting hole 530.

In the engine, by arranging the right cover oil inlet channel 510, the right cover oil return channel 520 and the sensor mounting hole 530 on the cylinder head right cover 500, the sensor mounting hole 530 is communicated with the right cover oil inlet channel 510 or the right cover oil return channel 520, the first end of the right cover oil inlet channel 510 is communicated with the rocker shaft hole 330, the second end of the right cover oil inlet channel 510 is communicated with the first end of the right cover oil return channel 520, the second end of the right cover oil return channel 520 is communicated with the camshaft oil passage 320, the cylinder body oil bolt hole 210, the cylinder head oil bolt hole 310 and the rocker shaft hole 320 can form a main oil inlet channel, the lubricating oil in the box 100 can be introduced into the cylinder head right cover 500 through the main oil inlet channel, and flows back to the camshaft oil passage 320 of the cylinder head 300 after sequentially passing through the right cover oil inlet channel 510 and the right cover oil return channel 520 to form a circulation loop, the temperature sensor 400 is mounted at the sensor mounting hole 530, the temperature sensor 400 can measure the temperature of the lubricating oil in the right cover oil inlet channel 510 or the right cover oil return channel 520, and measuring the temperature of the engine. Through carrying out the oil circuit to cylinder head right cover 500 and arranging, cylinder head right cover 500 can be used to install temperature sensor 400 and realize the temperature measurement to the engine to, right side cover oil feed way 510 or right side cover oil return way 520 are with main oil feed way intercommunication, temperature sensor 400 detects the lubricating oil temperature on the main oil feed way promptly, temperature measurement is comparatively stable, difficult sudden change, effectively remedied that traditional camber beam car horizontal engine can't install temperature sensor 400 on cylinder head or cylinder body, can't make temperature sensor 400 lead to the problem of main oil feed way.

In this embodiment, the box 100 is provided with an oil pump for driving the movement of the lubricating oil. Through setting up the oil pump, can drive the motion of lubricating oil for in lubricating oil flows to cylinder body and cylinder head in proper order from the box 100 in, reintroduce cylinder head right side lid 500, realize better lubricated effect.

As shown in fig. 2, 4 and 5, the cylinder head right cover 500 is further provided with an oil reservoir 540. The second end of the right cover oil inlet 510 communicates with the oil reservoir 540. A first end of the right cover oil gallery 520 is in communication with the oil reservoir 540. The sensor mounting hole 530 communicates with the oil reservoir 540. Through setting up oil storage tank 540, can play certain storage effect to the lubricating oil that introduces in cylinder head right side lid 500, lubricating oil flows back to box 100 fast when can preventing to shut down, leads to temperature sensor 400's detection head 410 temperature to descend fast, inconsistent with the cylinder body temperature, and the temperature that temperature sensor 400 detected when causing the heat engine to start is inconsistent with the actual temperature of cylinder body, the hot start abnormal phenomenon appears, and then improves temperature detection's stability, improves and detects the precision.

Further, the temperature sensor 400 includes a detection head 410. The detection head 410 is installed at the bottom of the oil reservoir 540. Through locating detection head 410 in the bottom of oil storage tank 540, when there is lubricating oil in oil storage tank 540, temperature sensor 400's detection head 410 can soak in oil storage tank 540, further avoids appearing hot start abnormal phenomenon, improves the stability that the temperature detected, improves and detects the precision.

In this embodiment, the oil storage tank 540 is disposed on a side of the cylinder head right cover 500 away from the cylinder head 300. Furthermore, a sensor mounting hole 530 communicating with the oil storage tank 540 is conveniently formed in the side of the cylinder head right cover 500 away from the cylinder head 300, the temperature sensor 400 can be mounted on the side of the cylinder head right cover 500 away from the cylinder head 300, and the mounting can be carried out by utilizing the space of the side of the cylinder head right cover 500 away from the cylinder head 300, so that the mounting is convenient and the mounting space is not limited.

As shown in fig. 2 and 3, the right head oil inlet passage 510 includes a first oil passage 512 provided in the up-down direction and a second oil passage 514 provided in the left-right direction. A lower portion of the first oil passage 512 communicates with the rocker shaft hole 330, and an upper portion of the first oil passage 512 communicates with one end of the second oil passage 514. The other end of the second oil passage 514 communicates with the upper portion of the oil reservoir 540. In this embodiment, the upper, lower, left, and right refer to the relative orientation of the engine in the normal use state. Through adopting above-mentioned arrangement, first oil duct 512 and rocking arm shaft hole 330 intercommunication, and then can realize the intercommunication with main oil feed way, and then introduce the lubricating oil in the main oil feed way in cylinder head right side lid 500, second oil duct 514 communicates with the upper portion of first oil duct 512, can form the difference in height and be convenient for set up oil storage tank 540, second oil duct 514 communicates with the upper portion of oil storage tank 540, can make oil storage tank 540 have certain oil storage degree of depth, and then be convenient for temperature sensor 400 stretch into, be convenient for carry out temperature measurement.

The right cover oil gallery 520 includes a third oil passage 522 disposed in the up-down direction and a fourth oil passage 524 disposed in the left-right direction. A lower portion of the third oil passage 522 communicates with the camshaft oil passage 320, and an upper portion of the third oil passage 522 communicates with one end of the fourth oil passage 524. The other end of the fourth oil passage 524 communicates with the upper portion of the oil reservoir 540. With the arrangement, the third oil passage 522 can be communicated with the camshaft oil passage 320, so that the lubricating oil in the cylinder head right cover 500 is led back to the engine body, and the fourth oil passage 524 is communicated with the upper part of the oil storage groove 540, so that the oil storage groove 540 has a certain oil storage depth, and the temperature measurement of the temperature sensor 400 is facilitated.

In this embodiment, the engine is a horizontal engine of a camber beam vehicle, and particularly may be a horizontal 110CC engine of a camber beam vehicle. In the engine of the embodiment, the oil path design is performed on the cylinder head right cover 500, the temperature sensor 400 is arranged on the cylinder head right cover 500, the lubricating oil is pressurized by the oil pump on the box body 100, and the lubricating oil can enter the cylinder head right cover 500 from the box body 100 through the cylinder body 200 and the cylinder head 300 in sequence, so that the temperature of the lubricating oil in the main oil inlet channel can be measured by the temperature sensor 400. The temperature sensor 400 is arranged in the oil storage tank 540 communicated with the main oil inlet channel, so that the temperature measurement is stable, sudden change is not easy to occur, and the detection precision is good; the problem that the temperature sensor 400 cannot be mounted on the cylinder head 300 or the cylinder body 200 and the problem that the temperature sensor 400 cannot be led to a main oil inlet channel of a traditional horizontal engine of the camber beam vehicle are effectively solved; only the structure of the right cover 500 of the cylinder head needs to be changed, the change of a mold for the cylinder body or the cylinder head is not needed, the cost is low, the structure is simple, and the disassembly and the assembly are convenient.

As shown in fig. 8, the motorcycle includes a frame, a front wheel rotatably supported by a front fork at a front portion of the frame, a rear wheel rotatably supported by a rocker at a rear portion of the frame, and the engine provided at a lower portion of a center in a front-rear direction of the frame, a seat provided above the engine, a storage box provided below the seat, and a straddle portion provided in front of the seat and the storage box. The motorcycle comprises a frame, a front wheel, a rear wheel, a seat, a containing box, a straddle part and the like, can realize a moving function, has the technical effects of the engine, can realize the measurement of the temperature of the engine, and is beneficial to the improvement of the fuel combustion efficiency.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An engine is characterized by comprising a box body, a cylinder head and a temperature sensor, wherein the cylinder body is connected with the box body, a cylinder body oiling bolt hole is formed in the cylinder body, one end of the cylinder body oiling bolt hole is communicated with a lubricating oil channel of the box body, the rear side of the cylinder head is connected with the cylinder body, a cylinder head oiling bolt hole communicated with the cylinder body oiling bolt hole is formed in the right side of the lower portion of the cylinder head, a camshaft oil duct and a rocker arm shaft hole communicated with the cylinder head oiling bolt hole are further formed in the cylinder head, a cylinder head right cover, a cylinder head left cover and a cylinder head front cover are correspondingly arranged on the right side, the left side and the front side of the cylinder head respectively, a right cover oil inlet channel, a right cover oil return channel and a sensor mounting hole are formed in the cylinder head right cover, the temperature sensor is mounted on the cylinder head right cover through the sensor mounting hole, and the right cover oil inlet channel or the right cover oil return channel are communicated, the first end of the right cover oil inlet channel is communicated with the shaft hole of the rocker arm, the second end of the right cover oil inlet channel is communicated with the first end of the right cover oil return channel, and the second end of the right cover oil return channel is communicated with the oil duct of the camshaft.

2. The engine according to claim 1, characterized in that an oil storage tank is further arranged on the cylinder head right cover, the second end of the right cover oil inlet channel is communicated with the oil storage tank, the first end of the right cover oil return channel is communicated with the oil storage tank, and the sensor mounting hole is communicated with the oil storage tank.

3. The engine of claim 2, wherein said temperature sensor comprises a sensing head mounted at the bottom of said sump.

4. The engine of claim 2, wherein the oil reservoir is disposed on a side of the head right cover remote from the head.

5. The engine according to claim 2, wherein the right cover oil inlet passage includes a first oil passage provided in an up-down direction and a second oil passage provided in a left-right direction, a lower portion of the first oil passage communicates with the rocker shaft hole, an upper portion of the first oil passage communicates with one end of the second oil passage, and the other end of the second oil passage communicates with an upper portion of the oil reservoir.

6. The engine according to claim 5, wherein the right cover oil return passage includes a third oil passage provided in an up-down direction and a fourth oil passage provided in a left-right direction, a lower portion of the third oil passage communicates with the camshaft oil passage, an upper portion of the third oil passage communicates with one end of the fourth oil passage, and the other end of the fourth oil passage communicates with an upper portion of the oil reservoir.

7. An engine according to any one of claims 1 to 6, wherein the housing is provided with an oil pump for driving movement of the lubricating oil.

8. A motorcycle comprising a frame and the engine according to any one of claims 1 to 7, wherein a front wheel is rotatably supported by a front fork at a front portion of the frame, a rear wheel is rotatably supported by a rocker arm at a rear portion of the frame, the engine is provided at a lower portion of a center in a front-rear direction of the frame, a seat is provided above the engine, a storage box is provided below the seat, and a straddle portion is provided in front of the seat and the storage box.