CN212899347U - Diesel engine crankshaft with novel oil seal mechanism - Google Patents

Abstract

The utility model discloses a diesel engine crankshaft with novel oil seal mechanism, which belongs to the technical field of diesel engine accessories, the surface of a front end shaft is provided with an oil hole, one end of the oil hole is communicated with a shunting hole, the oil hole is connected with a filter cover through threads, the filter hole is arranged in the filter cover, the inner wall of the filter hole is fixedly sleeved with a filter screen, one end of the front end shaft is fixedly connected with a front connecting disc, the side surface of the front connecting disc is provided with a front connecting groove, the polygonal front clamping head and the polygonal rear clamping head of the diesel engine crankshaft with the novel oil seal mechanism not only increase the connecting area of two ends of a shaft neck, but also increase the torque resistance strength of the joint of two ends of the shaft neck, greatly improve the connecting firmness of the shaft neck, but also can quickly position the connecting position of the front end shaft and a rear short shaft, improve the assembly efficiency of the crankshaft, and, and is convenient to assemble and disassemble.

Description

Diesel engine crankshaft with novel oil seal mechanism

Technical Field

The utility model relates to a diesel engine accessory technical field, more specifically say, relate to a diesel engine bent axle with novel oil blanket mechanism.

Background

The diesel engine crankshaft is the most important part of the diesel engine, and bears the force transmitted by the connecting rod, converts the force into torque, outputs the torque through the crankshaft and drives other accessories on the engine to work.

At present, the oilhole that current bent axle set up does not set up dismantled and assembled filtration lid mostly and filters lubricating oil, and impurity in the lubricating oil can get into the oil duct and damage to some extent the bent axle when using to the axle journal that current bent axle set up when using, probably because the torsional force that the work of bent axle produced makes the journal junction take place the scheduling problem that ftractures, has reduced the life of bent axle, for this reason, we have designed a diesel engine crankshaft that has novel oil blanket mechanism, solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Problem to exist among the prior art, an object of the utility model is to provide a diesel engine bent axle with novel oil blanket mechanism, the polygonal preceding dop and the back dop that should have diesel engine bent axle setting of novel oil blanket mechanism have not only increased the connection area at axle journal both ends, the antitorque moment intensity of axle journal both ends junction has still been increased, great improvement the firm in connection nature of axle journal, and can be quick fix a position the hookup location of front end axle and back minor axis, the packaging efficiency of bent axle has been improved, and the filtration lid that sets up, not only can effectually filter the impurity in the lubricating oil, and be convenient for install and remove in addition.

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a diesel engine bent axle with novel oil blanket mechanism, includes the front end axle, the oilhole has been seted up on the surface of front end axle, the one end intercommunication of oilhole has the diffluence orifice, the oilhole has the filtration lid through threaded connection, it is equipped with the filtration hole in the filtration lid, the fixed filter screen that has cup jointed of inner wall of filtration hole, the preceding connection pad of one end fixedly connected with of front end axle, preceding connection pad side is equipped with preceding spread groove, preceding connection pad passes through axle journal fixedly connected with rear connection pad, dop and back dop before the both ends of axle journal are fixedly connected with respectively, the surface of preceding dop is connected with the inner wall contact of preceding spread groove, the inner core has been pour to the inside of axle journal, the fixed surface of axle journal has connect the alloy pipe, the side fixedly connected with rear end axle of rear connection pad, the another side of rear connection pad is equipped with the back spread groove, and this The connecting area at the two ends of the shaft neck is increased, the torque resistance strength of the joint at the two ends of the shaft neck is increased, the connection firmness of the shaft neck is greatly improved, the connecting position of the front end shaft and the rear short shaft can be quickly positioned, the assembling efficiency of the crankshaft is improved, and the filtering cover is arranged, so that impurities in lubricating oil can be effectively filtered, and the filtering cover is convenient to assemble and disassemble.

Further, the shape of preceding dop and preceding spread groove is the polygon, the surface of back dop is connected with the inner wall contact of back spread groove, the shape of back dop and back spread groove is the polygon, and the preceding dop and the concentric coaxial back dop that set up can increase the connection area of axle journal both ends junction.

Further, the shape of filter screen is circular, a terminal surface fixedly connected with arc of filter lid, the shape of arc is half-circular arc, and the arc of setting is not only convenient for the staff to point and holds between the fingers and hold rotatory filter lid, and the pliers of being convenient for moreover holds between the fingers and control the filter lid, conveniently filters installing and removing of lid.

Further, the inner wall of oilhole is equipped with the internal thread, the surface of filtering the lid be equipped with oilhole internal thread assorted external screw thread, the filtration lid that sets up has the function of dismantling, the clearance of the later stage filter residue of being convenient for.

Furthermore, the other end of the oil hole is communicated with a countersunk groove, the countersunk groove is horn-shaped, the filtering cover can be prevented from protruding out of the surface of the front end shaft, and the horn-shaped design has a clearance avoiding effect when the filtering cover is assembled and disassembled.

Compared with the prior art, the utility model has the advantages of:

(1) the polygonal preceding dop and the back dop that this scheme set up have not only increased the connection area at axle journal both ends, have still increased the antitorque square strength of axle journal both ends junction, great improvement the firm in connection nature of axle journal, can be quick in addition fix a position the hookup location of front end axle and back minor axis, improved the packaging efficiency of bent axle to the filtration lid that sets up, not only can effectually filter the impurity in the lubricating oil, be convenient for install and remove moreover.

(2) The shape of preceding dop and preceding spread groove is the polygon, and the surface of back dop is connected with the inner wall contact of back spread groove, and the shape of back dop and back spread groove is the polygon, and preceding dop and the concentric coaxial of back dop that set up can increase the connection area of axle journal both ends junction.

(3) The shape of filter screen is circular, crosses a terminal surface fixedly connected with arc of filter cover, and the shape of arc is half circular arc, and the arc of setting not only is convenient for the staff and points to hold between the fingers and rotate the filter cover, and the pliers of being convenient for is held between the fingers and is controlled the filter cover moreover, conveniently crosses installing and removing of filter cover.

(4) The inner wall of oilhole is equipped with the internal thread, and the surface of filtering the lid is equipped with the external screw thread with oilhole internal thread assorted, and the filtering lid that sets up has the function of dismantling, the clearance of the later stage filter residue of being convenient for.

(5) The other end of the oil hole is communicated with a countersunk groove, the countersunk groove is horn-shaped, the filtering cover can be prevented from protruding out of the surface of the front end shaft, and the horn-shaped design has a clearance avoiding effect when the filtering cover is assembled and disassembled.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side view of the filter cover mounting structure of the present invention;

fig. 3 is a side view of the front chuck structure of the present invention.

The reference numbers in the figures illustrate:

the filter comprises a front end shaft 1, a countersunk groove 11, an oil hole 12, a split flow hole 13, a front connecting disc 14, a front connecting groove 15, a filter cover 2, a filter hole 21, a filter screen 22, an arc plate 23, a shaft neck 3, a front clamping head 31, a rear clamping head 32, an alloy pipe 33, an inner core 34, a rear end shaft 4, a rear connecting disc 41 and a rear connecting groove 42.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a diesel engine crankshaft with a novel oil seal mechanism comprises a front end shaft 1, referring to fig. 1-3, an oil hole 12 is formed on the surface of the front end shaft 1 for passing lubricating oil, one end of the oil hole 12 is communicated with a shunt hole 13, the shunt hole 13 is used for increasing the lubricating effect of the lubricating oil, belonging to the prior art, the oil hole 12 is connected with a filter cover 2 through a thread, a filter hole 21 is formed in the filter cover 2, a filter screen 22 is fixedly sleeved on the inner wall of the filter hole 21, the filter screen 22 is used for filtering impurities in the lubricating oil and preventing the impurities from entering an oil duct to damage the crankshaft, the service life of the crankshaft is prolonged, a front connecting disc 14 is fixedly connected to one end of the front end shaft 1, a front connecting groove 15 is formed in the side surface of the front connecting disc 14, a rear connecting disc 41 is fixedly connected to the front connecting disc 14 through a journal 3, the, the both ends of axle journal 3 are fixedly connected with preceding dop 31 and back dop 32 respectively, the surface of preceding dop 31 is connected with the inner wall contact of preceding spread groove 15, inner core 34 has been pour to the inside of axle journal 3, inner core 34 is the alloy steel core, the intensity of axle journal 3 has been improved, belong to prior art, the fixed surface of axle journal 3 has cup jointed alloy pipe 33, alloy pipe 33 is high manganese alloy, the strong wear resistance of axle journal 3 has been improved, belong to prior art, the side fixedly connected with rear end shaft 4 of back connection pad 41, the another side of back connection pad 41 is equipped with back spread groove 42.

Referring to fig. 1 and 2, the front chuck 31 and the front connecting groove 15 are polygonal, the surface of the rear chuck 32 is in contact connection with the inner wall of the rear connecting groove 42, the rear chuck 32 and the rear connecting groove 42 are polygonal, the front chuck 31 and the rear chuck 32 are concentric and coaxial, the connecting area of the joint of the two ends of the shaft neck 3 can be increased, the filter screen 22 is circular, an end face of the filter cover 2 is fixedly connected with the arc-shaped plate 23, the arc-shaped plate 23 is semi-arc-shaped, the arc-shaped plate 23 is convenient for a worker to hold the rotary filter cover 2 with fingers, and the pliers are convenient to hold and control the filter cover 2, so that the filter cover 2 can be assembled and disassembled conveniently.

Referring to fig. 2, the inner wall of the oil hole 12 is provided with an internal thread, the surface of the filter cover 2 is provided with an external thread matched with the internal thread of the oil hole 12, the filter cover 2 is arranged to have a disassembling function, so that the filter residue can be conveniently cleaned in the later period, the other end of the oil hole 12 is communicated with a countersunk groove 11, the countersunk groove 11 is horn-shaped, the countersunk groove 11 can prevent the filter cover 2 from protruding out of the surface of the front end shaft 1, and the horn-shaped design has a clearance avoiding effect when the filter cover 2 is assembled and disassembled.

When the diesel engine crankshaft with the novel oil seal mechanism is assembled, the arc-shaped plate 23 is held by hand, the other end of the arc-shaped plate is contacted with the oil hole 12, the filter cover 2 is rotated clockwise to fix one end of the filter cover 2 in the oil hole 21, the filter cover 2 is stopped after being contacted and extruded with the inner wall of the countersunk head groove 11 at the other end of the filter cover 2, the filter cover 2 can be fastened by pliers, the filter cover 2 is rotated anticlockwise to be disassembled from the oil hole 12, the arranged filter cover 2 can effectively filter impurities in lubricating oil and is convenient to assemble and disassemble, then the front clamping head 31 arranged at one end of the shaft neck 3 is clamped into the front connecting groove 15, the rear clamping head 32 is clamped into the rear connecting groove 42 and then is welded and fixed, as the front clamping head 31 and the rear clamping head 32 are polygonal, the connecting position of the front end shaft 1 and the rear end shaft 4 is easily fixed, the assembling efficiency of the crankshaft is improved, the connecting area between the shaft neck 3 and the, and polygonal design has still increased the anti torsional moment intensity of the junction at 3 both ends of axle journal, great improvement the firm in connection nature of axle journal 3, effectual avoiding the axle journal 3 junction to appear the fracture and shorten the life of bent axle.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (5)

1. The utility model provides a diesel engine bent axle with novel oil blanket mechanism, includes front end axle (1), its characterized in that: the oil hole (12) is formed in the surface of the front end shaft (1), one end of the oil hole (12) is communicated with a shunt hole (13), the oil hole (12) is connected with a filter cover (2) through threads, a filter hole (21) is formed in the filter cover (2), a filter screen (22) is fixedly sleeved on the inner wall of the filter hole (21), one end of the front end shaft (1) is fixedly connected with a front connecting disc (14), a front connecting groove (15) is formed in the side face of the front connecting disc (14), the front connecting disc (14) is fixedly connected with a rear connecting disc (41) through a shaft neck (3), two ends of the shaft neck (3) are respectively and fixedly connected with a front clamping head (31) and a rear clamping head (32), the surface of the front clamping head (31) is in contact connection with the inner wall of the front connecting groove (15), an inner core (34) is poured inside the shaft neck (3), and an alloy pipe (33, the side of rear connection pad (41) fixedly connected with rear end axle (4), another side of rear connection pad (41) is equipped with back spread groove (42).

2. The diesel engine crankshaft with the novel oil seal mechanism as claimed in claim 1, wherein: the shape of preceding dop (31) and preceding spread groove (15) is the polygon, the surface of back dop (32) is connected with the inner wall contact of back spread groove (42), the shape of back dop (32) and back spread groove (42) is the polygon.

3. The diesel engine crankshaft with the novel oil seal mechanism as claimed in claim 1, wherein: the shape of filter screen (22) is circular, a terminal surface fixedly connected with arc (23) of crossing filter lid (2), the shape of arc (23) is half-circular arc.

4. The diesel engine crankshaft with the novel oil seal mechanism as claimed in claim 1, wherein: the inner wall of the oil hole (12) is provided with internal threads, and the surface of the filter cover (2) is provided with external threads matched with the internal threads of the oil hole (12).

5. The diesel engine crankshaft with the novel oil seal mechanism as claimed in claim 1, wherein: the other end of the oil hole (12) is communicated with a countersunk groove (11), and the countersunk groove (11) is horn-shaped.

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