CN216008737U - Decompression mechanism suitable for low-temperature starting of four-stroke single-cylinder general gasoline engine - Google Patents
Decompression mechanism suitable for low-temperature starting of four-stroke single-cylinder general gasoline engine Download PDFInfo
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- CN216008737U CN216008737U CN202121458043.6U CN202121458043U CN216008737U CN 216008737 U CN216008737 U CN 216008737U CN 202121458043 U CN202121458043 U CN 202121458043U CN 216008737 U CN216008737 U CN 216008737U
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Abstract
The utility model discloses a decompression mechanism suitable for low-temperature starting of a four-stroke single-cylinder general gasoline engine, relates to the technical field of gasoline engines, and aims to solve the problem that a gap is generated between a decompression valve plunger and a cylinder body when the gasoline engine provided by the background technology is in a low-temperature environment, the cylinder cannot be sealed, and the gasoline engine cannot be started. According to the utility model, the heating shell is convenient to install and disassemble, the temperature of the cylinder body is detected by using the temperature sensor, the temperature information is transmitted to the controller, when the temperature of the cylinder body is lower, the controller controls the hot air fan to be opened, the intelligent heating of the cylinder body and the pressure reducing valve body is realized, a gap is not generated between the pressure reducing valve plunger in the pressure reducing valve body and the cylinder body, the normal starting of a gasoline engine of a vehicle can be ensured, and the practicability is better.
Description
Technical Field
The utility model relates to the technical field of gasoline engines, in particular to a decompression mechanism suitable for low-temperature starting of a four-stroke single-cylinder general gasoline engine.
Background
The working cycle of the single-cylinder four-stroke gasoline engine consists of 4 piston strokes, namely an intake stroke, a compression stroke, a power stroke and an exhaust stroke.
The prior art can refer to the grant publication No. CN2623882Y and discloses a gasoline engine decompression mechanism, which comprises a cylinder body, wherein the head of the cylinder body is provided with a valve hole, a decompression valve body is arranged in the valve hole, a decompression valve plunger piston is matched with an inner hole of the decompression valve body, the decompression valve body and the decompression valve plunger piston are provided with limiting mechanisms, the decompression valve plunger piston can be limited at a certain position through the limiting mechanisms, a decompression hole is formed in the decompression valve body, and the decompression hole is communicated with a gap between the decompression valve plunger piston and the inner hole of the decompression valve body.
In the prior art, receive expend with heat and contract with cold's influence, when the gasoline engine was in low temperature environment, can produce the gap between relief valve plunger and the cylinder block, can't be sealed to the cylinder, can lead to the gasoline engine to appear the unable circumstances of playing, provides the decompression mechanism that is fit for the low temperature of the general gasoline engine of four-stroke single cylinder at present and starts.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a decompression mechanism suitable for low-temperature starting of a four-stroke single-cylinder general gasoline engine.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a decompression mechanism that is fit for four-stroke single cylinder general gasoline engine's low temperature starting, includes the cylinder block and installs the relief pressure valve body in cylinder block top one side, the outside cover of relief pressure valve body is equipped with heating housing, heating housing's bottom both sides all are through the outer wall connection of coupling mechanism with the cylinder block, the mounting hole has been seted up on the top of cylinder block, install hot-blast fan in the mounting hole, the exhaust hole has been seted up to heating housing's bottom one side, temperature sensor is installed to heating housing's inner wall one side, the controller is installed to heating housing's outer wall one side, temperature sensor and hot-blast fan all with controller electric connection.
Preferably, the connecting mechanism comprises two limiting blocks arranged on the outer wall of the cylinder body, a connecting block is welded on the outer wall of the heating shell, the connecting block is inserted between the two limiting blocks in a sliding fit mode, communicated bolt holes are formed in the limiting blocks and the connecting block, bolts are inserted in the bolt holes, and nuts are connected to one ends of the bolts.
Preferably, an exhaust port is provided at one side of the cylinder block.
Preferably, the heating housing is perpendicular to the surface of the cylinder block.
Preferably, a protective shell is arranged outside the controller.
Preferably, a spark plug is further mounted on the other side of the top end of the cylinder block.
The utility model has the beneficial effects that:
1. insert between two stoppers through the connecting block with heating housing outer wall to insert the bolt hole with the bolt, with the end connection of nut and bolt, then be connected controller, temperature sensor and hot-blast fan with automobile-used power, it is comparatively convenient to install, and convenient to detach.
2. Utilize temperature sensor to detect the temperature of cylinder block to give the controller with temperature information transmission, when the temperature of cylinder block is lower, the hot-blast fan of controller control is opened, realizes intelligent heating cylinder block and relief pressure valve body, has guaranteed can not produce the gap between the relief pressure valve plunger in the relief pressure valve body and the cylinder block, can guarantee the gasoline engine normal boot of vehicle, and the practicality is better.
Drawings
Fig. 1 is a schematic diagram of a front sectional structure of a decompression mechanism suitable for low-temperature starting of a four-stroke single-cylinder general gasoline engine.
Fig. 2 is a schematic structural diagram of the connection between the heating shell and the cylinder block of the decompression mechanism suitable for the low-temperature starting of the four-stroke single-cylinder general gasoline engine.
Fig. 3 is a schematic structural diagram of a connecting mechanism of a decompression mechanism suitable for low-temperature starting of a four-stroke single-cylinder general gasoline engine.
FIG. 4 is an enlarged structural schematic diagram at A in FIG. 3 of a decompression mechanism suitable for low-temperature starting of a four-stroke single-cylinder general gasoline engine provided by the utility model
In the figure: 1 cylinder body, 2 exhaust ports, 3 temperature sensors, 4 controllers, 5 heating shells, 6 hot air fans, 7 mounting holes, 8 pressure reducing valve bodies, 9 exhaust holes, 10 connecting mechanisms, 1001 limiting blocks, 1002 connecting blocks, 1003 bolts, 1004 bolt holes and 1005 nuts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a decompression mechanism suitable for low-temperature starting of a four-stroke single-cylinder general gasoline engine comprises a cylinder body 1 and a decompression valve body 8, wherein the decompression valve body 8 is installed on one side of the top end of the cylinder body 1, and is characterized in that a heating shell 5 is sleeved outside the decompression valve body 8, two sides of the bottom end of the heating shell 5 are both connected with the outer wall of the cylinder body 1 through a connecting mechanism 10, a mounting hole 7 is formed in the top end of the cylinder body 1, a hot air fan 6 is installed in the mounting hole 7, an exhaust hole 9 is formed in one side of the bottom end of the heating shell 5, a temperature sensor 3 is installed on one side of the inner wall of the heating shell 5, a controller 4 is installed on one side of the outer wall of the heating shell 5, the temperature sensor 3 and the hot air fan 6 are both electrically connected with the controller 4, and a spark plug is also installed on the other side of the top end of the cylinder body 1;
the connecting mechanism 10 comprises two limiting blocks 1001 arranged on the outer wall of the cylinder body 1, a connecting block 1002 is welded on the outer wall of the heating shell 5, the connecting block 1002 is inserted between the two limiting blocks 1001 in a sliding fit mode, bolt holes 1004 communicated with the limiting blocks 1001 and the connecting block 1002 are formed in the bolt holes 1004, bolts 1003 are inserted in the bolt holes 1004, one ends of the bolts 1003 are connected with nuts 1005, the connecting block 1002 on the outer wall of the heating shell 5 is inserted between the two limiting blocks 1001, the bolts 1003 are inserted in the bolt holes 1004, the nuts 1005 are connected with the end portions of the bolts 1003, and then the controller 4, the temperature sensor 3 and the hot air fan 6 are connected with a vehicle power supply, so that the connecting mechanism is convenient and quick;
one side of the cylinder body 1 is provided with an exhaust port 2 for exhausting air, and the heating shell 5 is vertical to the surface of the cylinder body 1, so that the installation stability of the heating shell 5 is ensured;
the outside of controller 4 is provided with the protecting crust, plays the guard action to controller 4, increase of service life.
The working principle is as follows: in winter, in low temperature weather, the heating case 5 is mounted on the cylinder block 1, by inserting the connecting block 1002 of the outer wall of the heating case 5 between the two stoppers 1001, bolts 1003 are inserted into bolt holes 1004, nuts 1005 are coupled to ends of bolts 1003, then the controller 4, the temperature sensor 3 and the hot air fan 6 are connected with a vehicle power supply to realize installation, when the vehicle is powered on, the temperature sensor 3 detects the temperature of the cylinder block 1 and transmits temperature information to the controller 4, and when the temperature of the cylinder block 1 is low, the controller 4 controls the hot fan 6 to be turned on, the cylinder body 1 and the pressure reducing valve body 8 are heated, so that a gap is not generated between a pressure reducing valve plunger in the pressure reducing valve body 8 and the cylinder body, the normal starting of the gasoline engine of the vehicle can be ensured, wherein the model of the controller 4 is FXON-24MR, and the model of the temperature sensor 3 is HIH 3605.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A decompression mechanism suitable for low-temperature starting of a four-stroke single-cylinder general gasoline engine comprises a cylinder body (1) and a decompression valve body (8) arranged on one side of the top end of the cylinder body (1), it is characterized in that a heating shell (5) is sleeved outside the pressure reducing valve body (8), both sides of the bottom end of the heating shell (5) are connected with the outer wall of the cylinder body (1) through a connecting mechanism (10), the top end of the cylinder body (1) is provided with a mounting hole (7), a hot air fan (6) is arranged in the mounting hole (7), an exhaust hole (9) is formed in one side of the bottom end of the heating shell (5), a temperature sensor (3) is installed on one side of the inner wall of the heating shell (5), controller (4) are installed to the outer wall one side of heating casing (5), temperature sensor (3) and hot-blast fan (6) all with controller (4) electric connection.
2. The decompression mechanism suitable for the low-temperature starting of the four-stroke single-cylinder general gasoline engine as claimed in claim 1, wherein the connecting mechanism (10) comprises two limiting blocks (1001) arranged on the outer wall of the cylinder block (1), a connecting block (1002) is welded on the outer wall of the heating shell (5), the connecting block (1002) is inserted between the two limiting blocks (1001) in a sliding fit manner, the limiting blocks (1001) and the connecting block (1002) are provided with communicated bolt holes (1004), a bolt (1003) is inserted in the bolt hole (1004), and one end of the bolt (1003) is connected with a nut (1005).
3. The decompression mechanism suitable for the low-temperature starting of a four-stroke single-cylinder general gasoline engine according to claim 1, characterized in that an exhaust port (2) is provided at one side of the cylinder block (1).
4. The decompression mechanism suitable for the cold start of a four-stroke single-cylinder general gasoline engine according to claim 1, wherein the heating housing (5) and the surface of the cylinder block (1) are perpendicular to each other.
5. The decompression mechanism suitable for the low-temperature starting of a four-stroke single-cylinder general gasoline engine as claimed in claim 1, characterized in that the controller (4) is externally provided with a protective shell.
6. The decompression mechanism suitable for the low-temperature starting of a four-stroke single-cylinder general gasoline engine as claimed in claim 1, wherein a spark plug is further installed on the other side of the top end of the cylinder block (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121458043.6U CN216008737U (en) | 2021-06-29 | 2021-06-29 | Decompression mechanism suitable for low-temperature starting of four-stroke single-cylinder general gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121458043.6U CN216008737U (en) | 2021-06-29 | 2021-06-29 | Decompression mechanism suitable for low-temperature starting of four-stroke single-cylinder general gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216008737U true CN216008737U (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121458043.6U Active CN216008737U (en) | 2021-06-29 | 2021-06-29 | Decompression mechanism suitable for low-temperature starting of four-stroke single-cylinder general gasoline engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216008737U (en) |
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2021
- 2021-06-29 CN CN202121458043.6U patent/CN216008737U/en active Active
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