CN218953471U - Starting mechanism of diesel engine - Google Patents

Abstract

The utility model relates to the technical field of engines, in particular to a starting mechanism of a diesel engine, which comprises a shell, wherein a spring box is fixedly arranged on the inner side of the shell, a rotating shaft is rotatably arranged on the top surface of the inner side of the spring box, a scroll spring is sleeved on the periphery of the rotating shaft, one end of the scroll spring is fixedly connected with the inner side of the spring box, a driven gear is fixedly connected on the periphery of one end of the rotating shaft, a driving gear is connected with the driven gear in a meshed manner, and a transmission shaft is fixedly arranged on the top surface of the driving gear; the outer periphery of the rotating shaft is fixedly connected with a rotating support, the periphery of the rotating support is uniformly and fixedly provided with a starting groove, the end part of the rotating shaft is sequentially sleeved with a fastening torsion spring, a supporting gasket and an upper disc body, the inner side of the upper disc body is uniformly and fixedly provided with a rotating shaft, the outer periphery of the rotating shaft is rotationally connected with a starting plate, the inner side of the upper disc body is uniformly and fixedly provided with a limiting plate, the bottom surface of the limiting plate is fixedly provided with a lower disc body, and the top surface of the upper disc body is provided with a groove; the utility model can avoid the up-and-down loosening of the rotary disc body and ensure the starting of the engine.

Description

Starting mechanism of diesel engine

Technical Field

The utility model relates to the technical field of engines, in particular to a starting mechanism of a diesel engine.

Background

With the continuous development of economy, the agricultural mechanized degree is higher and higher, the agricultural cultivator is used more and more commonly, and the power source of the agricultural cultivator is an air-cooled diesel engine which can be started by auxiliary starting equipment before working. The auxiliary starting equipment commonly used in the market at present adopts a traditional hand starting mode, a driver drives a transmission mechanism on the auxiliary starting equipment to start by using a crank, and the transmission mechanism drives the elastic force of a scroll spring in the auxiliary starting equipment to tighten and then release so as to drive an air-cooled diesel engine to start.

However, in the starting mechanism of the conventional auxiliary starting apparatus, the rotary disk is easily loosened up and down, which affects the starting of the engine, and thus a diesel engine starting mechanism capable of avoiding the loosening up and down of the rotary disk is required.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a starting mechanism of a diesel engine, which is used for solving the problem that a rotating disc body in the existing starting mechanism of the diesel engine is easy to loosen up and down to influence the starting of the engine.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the starting mechanism of the diesel engine comprises a shell, wherein a spring box is fixedly arranged on the inner side of the shell, a rotating shaft is rotatably arranged on the top surface of the inner side of the spring box, a scroll spring is sleeved on the periphery of the rotating shaft, the scroll spring is circumferentially fixed with the rotating shaft, one end of the scroll spring is fixedly connected with the inner side of the spring box, a driven gear is fixedly connected with the periphery of one end of the rotating shaft, a driving gear is in meshed connection with the driven gear, and a transmission shaft is fixedly arranged on the top surface of the driving gear;

the outer periphery of the rotating shaft is fixedly connected with a rotating support, the outer periphery of the rotating support is uniformly and fixedly provided with a starting groove, the end part of the rotating shaft is sequentially sleeved with an upper disc body, a supporting gasket and a fastening torsion spring, the inner side of the upper disc body is uniformly and fixedly provided with a rotating shaft, the outer periphery of the rotating shaft is rotationally connected with a starting plate, the side surface of the starting plate is fixedly connected with a starting block and a stopping block, the inner side of the upper disc body is uniformly and fixedly provided with a limiting plate, the bottom surface of the limiting plate is fixedly provided with a lower disc body, and the outer turnover of the rotating shaft is connected with a corrugated ring of a concave barreled structure.

Like this, the user will crank the cover at the transmission shaft tip, rotate the transmission shaft, drive the driving gear and rotate, rotate along with the driven gear of driving gear meshing, drive the pivot and rotate, begin to wind up the spiral spring, with the upper disc body alignment rotation support put into, the starter block embedding start the inslot, fastening torsional spring begins to exert torsional force to the upper disc body, make the upper disc body paste tight rotation support, the backstop piece breaks away from the limiting plate, the starter block is hugged closely the inboard lateral wall of starter groove, the ripple circle plays the effect of similar bearing during, supplementary rotation support steadily rotates, thereby in the follow-up engine starting process, the starter plate is in the shrink state all the time, avoid the starter plate friction to start the cup inner wall, influence equipment operation.

Further, the square groove is formed in the center of the supporting gasket, the circular hole groove is formed in the surface of the supporting gasket, the end portion of the fastening torsion spring can be hooked by the circular hole groove, and therefore the supporting gasket can be fastened on the rotating shaft, and loosening of the supporting gasket is avoided.

Further, shell top surface fixed mounting has the reference column, the torsional spring has been cup jointed to the reference column periphery, the reference column tip has cup jointed the stop piece, torsional spring one end is fixed with the shell is inboard, the torsional spring other end is fixed with the stop piece, the transmission shaft tip passes the shell and cup joints the ratchet, the ratchet can imbed the stop piece tip, and the elasticity of torsional spring can be acted on the stop piece and make the stop piece have the trend of embedding ratchet outside tooth all the time in this to make the ratchet can form unidirectional rotation, in order to guarantee the security when using.

Further, the shell periphery fixedly connected with annular chimb, evenly open on annular chimb surface has a plurality of mounting holes, the mounting hole is located same circumference respectively, the radius of mounting hole increases in proper order, can make the shell adapt to the diesel engine casing of different models from this to make the suitability of shell wider.

Further, the shell surface is just right to open threaded hole, the threaded hole runs through spring case both ends, the inboard threaded connection of threaded hole has the screw rod, screw rod tip threaded connection has the nut, and the spring case is fixed with the nut cooperation from this to the screw rod, guarantees the stability of spring case in the equipment operation in-process.

Drawings

FIG. 1 is a schematic perspective view of a starting mechanism of a diesel engine according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an embodiment of a diesel engine starting mechanism of the present utility model;

FIG. 3 is a schematic perspective view of a starting mechanism for a diesel engine according to an embodiment of the present utility model (with the upper disc and associated components removed);

FIG. 4 is a schematic perspective view of a starting mechanism for a diesel engine according to an embodiment of the present utility model (equipped with an upper tray and related components);

FIG. 5 is a schematic cross-sectional view of the upper tray and related components of an embodiment of a diesel engine starting mechanism according to the present utility model;

FIG. 6 is a schematic top view of the upper tray and related components of an embodiment of a diesel engine starting mechanism according to the present utility model;

FIG. 7 is a schematic perspective view of a bellows ring in an embodiment of a starting mechanism of a diesel engine according to the present utility model;

FIG. 8 is a schematic perspective view of a support gasket in an embodiment of a starting mechanism for a diesel engine according to the present utility model;

reference numerals in the drawings of the specification:

the device comprises a shell 1, a spring box 101, a rotating shaft 102, a spiral spring 103, a driven gear 104, a driving gear 105, a transmission shaft 106, a rotating support 201, a starting groove 202, an upper disc 203, a supporting gasket 204, a fastening torsion spring 205, a rotating shaft 206, a starting plate 207, a starting block 208, a stop block 209, a limiting plate 210, a lower disc 211, a corrugated ring 212, a groove 301, a circular hole groove 302, a positioning column 401, a torsion spring 402, a stop piece 403, a ratchet wheel 404, an annular convex edge 501, a mounting hole 502, a threaded hole 601, a screw 602 and a nut 603.

Detailed Description

In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Examples:

as shown in fig. 1-8, the starting mechanism of the diesel engine comprises a shell 1, wherein a spring box 101 is fixedly arranged on the inner side of the shell 1, a rotating shaft 102 is rotatably arranged on the top surface of the inner side of the spring box 101, a scroll spring 103 is sleeved on the periphery of the rotating shaft 102, the scroll spring 103 is circumferentially fixed with the rotating shaft 102, one end of the scroll spring 103 is fixedly connected with the inner side of the spring box 101, a driven gear 104 is fixedly connected with the periphery of one end of the rotating shaft 102, a driving gear 105 is connected with the driven gear 104 in a meshed manner, and a transmission shaft 106 is fixedly arranged on the top surface of the driving gear 105;

the outer periphery fixedly connected with of pivot 102 rotates support 201, rotate support 201 periphery evenly fixed mounting has start groove 202, pivot 102 tip has cup jointed last disk 203 in proper order, support gasket 204 and fastening torsional spring 205, go up the inboard evenly fixed mounting of disk 203 and have rotation axis 206, rotation axis 206 outer turnover is connected with starter plate 207, starter plate 207 side fixedly connected with starter block 208 and backstop piece 209, go up the inboard evenly fixed mounting of disk 203 and have limiting plate 210, limiting plate 210 bottom surface fixed mounting has lower disk 211, the outer turnover of pivot 102 is connected with the ripple circle 212 of spill barreled structure.

Thus, a user sleeves the crank handle at the end part of the transmission shaft 106, rotates the transmission shaft 106 to drive the driving gear 105 to rotate, drives the driven gear 104 meshed with the driving gear 105 to rotate along with the rotation of the driving gear, drives the rotating shaft 102 to rotate, starts to wind up the scroll spring 103, places the upper disc 203 in alignment with the rotating support 201, inserts the starting block 208 into the starting groove 202, fastens the torsion spring 205 to start applying torsion force to the upper disc 203, enables the upper disc 203 to be tightly attached to the rotating support 201, breaks away from the limiting plate 210, enables the starting block 208 to be tightly attached to the inner side wall of the starting groove 202, and enables the ripple ring 212 to act like a bearing during the period to assist the stable rotation of the rotating support 201, so that the starting plate 207 is always in a contracted state in the subsequent engine starting process, and the phenomenon that the starting plate 207 rubs the inner wall of the starting cup is avoided, and the running of equipment is affected.

The center of the supporting pad 204 is provided with a square groove 301, the surface of the supporting pad 204 is also provided with a circular hole groove 302, and the circular hole groove 302 can hook the end part of the fastening torsion spring 205, so that the supporting pad 204 can be fastened on the rotating shaft 102, and the loosening of the supporting pad 204 is avoided.

The top surface fixed mounting of shell 1 has reference column 401, the torsional spring 402 has been cup jointed to the periphery of reference column 401, the locating column 401 tip has cup jointed the stop piece 403, torsional spring 402 one end is fixed with shell 1 inboard, the torsional spring 402 other end is fixed with stop piece 403, transmission shaft tip 106 passes shell 1 and cup joints ratchet 404, ratchet 404 can imbed stop piece 403 tip, from this the elasticity of torsional spring 402 can act on stop piece 403 and make stop piece 403 have the trend of embedding ratchet 404 outside tooth all the time, thereby make ratchet 404 can form unidirectional rotation, safety when guaranteeing the use.

The shell 1 periphery fixedly connected with annular chimb 501, evenly open on annular chimb 501 surface has a plurality of mounting holes 502, and mounting holes 502 are located same circumference respectively, and the radius of mounting hole 502 increases in proper order, can make shell 1 adapt to the diesel engine casing of different models from this to make shell 1's suitability wider.

The surface of the shell 1 is provided with threaded holes 601 in opposite directions, the threaded holes 601 penetrate through two ends of the spring case 101, the inner sides of the threaded holes 601 are in threaded connection with threaded rods 602, the end parts of the threaded rods 602 are in threaded connection with nuts 603, and therefore the threaded rods 602 and the nuts 603 are matched to fix the spring case 101, and stability of the spring case 101 in the running process of equipment is guaranteed.

The foregoing is merely exemplary of the present utility model, and the specific structures and features well known in the art are not described in any way herein, so that those skilled in the art will be able to ascertain all prior art in the field, and will not be able to ascertain any prior art to which this utility model pertains, without the general knowledge of the skilled person in the field, before the application date or the priority date, to practice the present utility model, with the ability of these skilled persons to perfect and practice this utility model, with the help of the teachings of this application, with some typical known structures or methods not being the obstacle to the practice of this application by those skilled in the art. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims (5)

1. A diesel engine starting mechanism, characterized in that: the novel spiral spring type spring box comprises a shell (1), a spring box (101) is fixedly installed on the inner side of the shell (1), a rotating shaft (102) is rotatably installed on the top surface of the inner side of the spring box (101), a spiral spring (103) is sleeved on the periphery of the rotating shaft (102), the spiral spring (103) is circumferentially fixed with the rotating shaft (102), one end of the spiral spring (103) is fixedly connected with the inner side of the spring box (101), a driven gear (104) is fixedly connected with the periphery of one end of the rotating shaft (102), a driving gear (105) is meshed and connected with the driven gear (104), and a transmission shaft (106) is fixedly installed on the top surface of the driving gear (105);

the utility model discloses a rotary table, including pivot (102) and fixed disk, pivot (102) periphery fixedly connected with rotates support (201), evenly fixed mounting has start groove (202) in the periphery of rotating support (201), upper disk body (203), support gasket (204) and fastening torsional spring (205) have been cup jointed in proper order to pivot (102) tip, upper disk body (203) inboard evenly fixed mounting has rotation axis (206), rotation axis (206) outer turnover is connected with start plate (207), start plate (207) side fixedly connected with start block (208) and backstop piece (209), upper disk body (203) inboard evenly fixed mounting has limiting plate (210), limiting plate (210) bottom surface fixed mounting has lower disk body (211), rotation axis (102) outer turnover is connected with ripple circle (212) of spill barreled structure.

2. A diesel engine starting mechanism as defined in claim 1, wherein: the center of the supporting gasket (204) is provided with a square groove (301), the surface of the supporting gasket (204) is also provided with a circular hole groove (302), and the circular hole groove (302) can hook the end part of the fastening torsion spring (205).

3. A diesel engine starting mechanism as defined in claim 1, wherein: the utility model discloses a motor drive mechanism for a motor drive mechanism, including shell (1), casing (1) top surface fixed mounting has reference column (401), reference column (401) periphery has cup jointed torsional spring (402), stop piece (403) have been cup jointed to reference column (401) tip, torsional spring (402) one end is fixed with shell (1) inboard, torsional spring (402) other end is fixed with stop piece (403), transmission shaft tip (106) pass shell (1) and cup joint ratchet (404), ratchet (404) can imbed stop piece (403) tip.

4. A diesel engine starting mechanism as defined in claim 1, wherein: the novel solar energy battery is characterized in that an annular convex edge (501) is fixedly connected to the periphery of the shell (1), a plurality of mounting holes (502) are uniformly formed in the surface of the annular convex edge (501), the mounting holes (502) are respectively located on the same circumference, and the radiuses of the mounting holes (502) are sequentially increased.

5. A diesel engine starting mechanism as defined in claim 1, wherein: the surface of the shell (1) is provided with threaded holes (601) in opposite directions, the threaded holes (601) penetrate through two ends of the spring box (101), screw rods (602) are connected with the inner sides of the threaded holes (601) in a threaded mode, and nuts (603) are connected with the end portions of the screw rods (602) in a threaded mode.

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