CN208986755U - A kind of small axis of engine - Google Patents

Abstract

The utility model discloses a kind of small axis of engine, including shaft, axle sleeve, heat-conducting plate, self-lubricating bearing and air exhaust slot, the two sides on the shaft surface are all equipped with equidistant air exhaust slot, the outside of the shaft is equipped with axle sleeve, heat-conducting plate is installed on the inner sidewall of axle sleeve, self-lubricating bearing is all fixed with inside the axle sleeve of the heat-conducting plate two sides, the self-lubricating bearing is far from being all equipped with three groups of stop blocks on the axle sleeve inner sidewall of heat-conducting plate side, and the angle between adjacent stop block is 120 degree, the stop block is all welded with spring far from the side of self-lubricating bearing, the both ends of the shaft are all equipped with dustproof cover, the dustproof cover is all equipped with retainer plate at the marginal position far from axle sleeve side.The utility model not only extends the engine service life of small axis, improves the engine service performance of small axis, and improves convenience when engine is used with small axis.

Description

A kind of small axis of engine

Technical field

The utility model relates to engine apparatus field, the small axis of specially a kind of engine.

Background technique

Engine be it is a kind of can be the machine that can be converted into mechanical energy of other forms, including internal combustion engine, external combustion are mechanical, electrical Motivation etc., is not only suitable for power generating apparatus, also can refer to include power device entire machine, the inside of engine is usually wrapped Valve, cylinder, fuel injector connecting rod, crankshaft and all kinds of small axis etc. are included, with the development of energy technology, the internal components of engine Also it in gradually progress, update, especially as the small axis of engine of various transmission agencies, since its is many kinds of, arranges close Collection, therefore the processes such as its installation, replacement are relative complex, need to make improvements, secondly, existing engine is lacked effectively with small axis Exterior protection structure, cause the small axis often since vibration, shock or excessive wear cause seriously to damage, then influence start The normal operation of machine, in addition, small axis will cause a large amount of noises in telling rotation process, and produce in engine operation process Heat amount, and accumulation dust, dirt etc. are also easy at the link position of small axis, to influence the overall performance of engine.

Utility model content

The purpose of this utility model is to provide a kind of small axis of engine, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides the following technical solutions: a kind of small axis of engine, including shaft, Axle sleeve, heat-conducting plate, self-lubricating bearing and air exhaust slot, the two sides on the shaft surface are all equipped with equidistant air exhaust slot, and described turn The outside of axis is equipped with axle sleeve, and heat-conducting plate is equipped on the inner sidewall of axle sleeve, all fixed inside the axle sleeve of the heat-conducting plate two sides There is self-lubricating bearing, and the inner sidewall of self-lubricating bearing is all fixedly connected with the lateral wall of shaft, the self-lubricating bearing is separate Three groups of stop blocks are all installed, and the angle between adjacent stop block is 120 on the axle sleeve inner sidewall of heat-conducting plate side Degree, the stop block are all welded with spring far from the side of self-lubricating bearing, and the both ends of the shaft are all equipped with dustproof cover, and anti- Dirt lid is all fixedly connected with spring far from one end of stop block close to the side of axle sleeve, side of the dustproof cover far from axle sleeve side Retainer plate is all installed, the side inside retainer plate is all equipped with equidistant fixing bolt, and the one of fixing bolt at edge position End all runs through dustproof cover and extends to the inside of axle sleeve.

Preferably, one end inside the shaft is equipped with interior rib groove, and the other end of shaft is welded with abutting stem, and protrudes Bar extends to the outside of dustproof cover far from one end of shaft.

Preferably, the abutting stem is fixed with rubber pad far from one end of shaft.

Preferably, the internal diameter of the internal diameter of the dustproof cover, the internal diameter of axle sleeve and heat-conducting plate is all greater than the diameter of shaft.

Preferably, the center position inside the dustproof cover is all equipped with through-hole.

Preferably, four groups of location holes, and the angle between adjacent positioned hole are equipped with inside the dustproof cover on the outside of the through-hole It is 90 degree.

Preferably, equidistant heat release hole is equipped with inside the axle sleeve on the outside of the heat-conducting plate.

Compared with prior art, the utility model has the beneficial effects that the engine not only extends engine with small axis With the service life of small axis, the engine service performance of small axis is improved, and is improved when engine is used with small axis Convenience；

1, by setting axle sleeve on the outside of shaft, self-lubricating bearing is fixed in the inside of axle sleeve, and by self-lubricating bearing Side stop block is installed, spring is welded in the side of stop block, and sets dustproof cover by the both ends in shaft, realizes and starts Multiple protection functions of the machine inside small axis, to extend the engine service life of small axis；

2, air exhaust slot is set by the surface in shaft, heat-conducting plate is installed, and by inside axle sleeve on the inner sidewall of axle sleeve If heat release hole, the fixed rubber pad in one end of abutting stem realizes the engine functions such as small axis noise reduction, heat dissipation, to improve The service performance of the small axis of engine；

3, by installing retainer plate at the marginal position of dustproof cover, the inside of retainer plate sets fixing bolt, and by The both ends of shaft set interior rib groove, abutting stem respectively, and the inside of dustproof cover sets through-hole, location hole, realize engine with small axis The function being easily installed, to improve convenience when engine is used with small axis.

Detailed description of the invention

Fig. 1 is the section schematic view of the front view of the utility model；

Fig. 2 is the schematic view of the front view of the utility model；

Fig. 3 is the shaft schematic view of the front view of the utility model；

Fig. 4 is the partial profile structure of the utility model.

In figure: 1, shaft；2, interior rib groove；3, dustproof cover；4, retainer plate；5, axle sleeve；6, heat-conducting plate；7, heat release hole；8, Self-lubricating bearing；9, fixing bolt；10, abutting stem；11, location hole；12, stop block；13, air exhaust slot；14, spring；15, rubber Pad；16, through-hole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, a kind of embodiment provided by the utility model: a kind of small axis of engine, including shaft 1, axis Set 5, heat-conducting plate 6, self-lubricating bearing 8 and air exhaust slot 13, the two sides on 1 surface of shaft are all equipped with equidistant air exhaust slot 13, shaft 1 Outside be equipped with axle sleeve 5, and heat-conducting plate 6 is installed on the inner sidewall of axle sleeve 5, be equipped with inside the axle sleeve 5 in 6 outside of heat-conducting plate it is equal between Away from heat release hole 7, be convenient for ventilation and heat, be all fixed with self-lubricating bearing 8, and self-lubricating axis inside the axle sleeve 5 of 6 two sides of heat-conducting plate It holds 8 inner sidewall to be all fixedly connected with the lateral wall of shaft 1, axle sleeve 5 inner sidewall of the self-lubricating bearing 8 far from 6 side of heat-conducting plate On three groups of stop blocks 12 are all installed, and the angle between adjacent stop block 12 is 120 degree, and stop block 12 is far from from moistening The side of plain besring 8 is all welded with spring 14, and the both ends of shaft 1 are all equipped with dustproof cover 3, and dustproof cover 3 is close to the side of axle sleeve 5 All be fixedly connected with spring 14 far from one end of stop block 12, the internal diameter of dustproof cover 3, the internal diameter of axle sleeve 5 and heat-conducting plate 6 it is interior Diameter is all greater than the diameter of shaft 1, reduces friction, avoids power loss, and one end inside shaft 1 is equipped with interior rib groove 2, turns The other end of axis 1 is welded with abutting stem 10, and abutting stem 10 extends to the outside of dustproof cover 3, dustproof cover far from one end of shaft 1 Center position inside 3 is all equipped with through-hole 16, is equipped with four groups of location holes 11 inside the dustproof cover 3 in 16 outside of through-hole, and adjacent Angle between location hole 11 is 90 degree, is easily installed, uses, and abutting stem 10 is fixed with rubber pad far from one end of shaft 1 15, for protecting abutting stem 10, dustproof cover 3 is all equipped with retainer plate 4 at the marginal position far from 5 side of axle sleeve, in retainer plate 4 The side in portion is all equipped with equidistant fixing bolt 9, and one end of fixing bolt 9 all runs through dustproof cover 3 and extends to axle sleeve 5 It is internal.

Working principle: in use, form first by setting axle sleeve 5 in the outside of shaft 1 first and protect, in axle sleeve 5 again The setting self-lubricating bearing 8 fixed with 1 phase of shaft in inside avoids power damage to reduce shaft 1 and extraneous friction Consumption, and stop block 12 is installed in the side of self-lubricating bearing 8, spring 14 is welded in the side of stop block 12, cooperation 1 both ends of shaft Dustproof cover 3, not only farthest absorbs the resonance of shaft 1, but also avoids extraneous dust and enter the inside of axle sleeve 5 and cause to invade Erosion, can be with since the surface of shaft 1 sets air exhaust slot 13 secondly, in use to extend the service life of shaft 1 The noise generated when shaft 1 rotates is reduced, and the inside of axle sleeve 1 sets heat-conducting plate 6, heat release hole 7, is convenient for fast cooling, to mention The service performance of high shaft 1, in addition, retainer plate 4 is arranged at the marginal position of dustproof cover 3, user can be by tightening fixation Bolt 9, while cooperating the interior rib groove 2 at 1 both ends of shaft and through-hole 16, the location hole 11 inside abutting stem 10 and dustproof cover 3, The function that the small axis is easily installed is realized, whole work of the small axis of the engine are finally completed.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (7)

1. a kind of small axis of engine, including shaft (1), axle sleeve (5), heat-conducting plate (6), self-lubricating bearing (8) and air exhaust slot (13), it is characterised in that: the two sides on shaft (1) surface are all equipped with equidistant air exhaust slot (13), outside the shaft (1) Side is equipped with axle sleeve (5), and heat-conducting plate (6) are equipped on the inner sidewall of axle sleeve (5), in the axle sleeve (5) of heat-conducting plate (6) two sides Portion is all fixed with self-lubricating bearing (8), and the inner sidewall of self-lubricating bearing (8) is all fixedly connected with the lateral wall of shaft (1), institute It states and three groups of stop blocks (12), and phase is all installed on axle sleeve (5) inner sidewall of self-lubricating bearing (8) separate heat-conducting plate (6) side Angle between adjacent stop block (12) is 120 degree, and the stop block (12) is all welded far from the side of self-lubricating bearing (8) It is connected to spring (14), the both ends of the shaft (1) are all equipped with dustproof cover (3), and the side of dustproof cover (3) close axle sleeve (5) is all It is fixedly connected with spring (14) far from the one end of stop block (12), marginal position of the dustproof cover (3) far from axle sleeve (5) side Place is all equipped with retainer plate (4), and the internal side of retainer plate (4) is all equipped with equidistant fixing bolt (9), and fixing bolt (9) one end all runs through dustproof cover (3) and extends to the inside of axle sleeve (5).

2. a kind of small axis of engine according to claim 1, it is characterised in that: the internal one end of the shaft (1) is set There is interior rib groove (2), the other end of shaft (1) is welded with abutting stem (10), and abutting stem (10) prolongs far from the one end of shaft (1) Extend to the outside of dustproof cover (3).

3. a kind of small axis of engine according to claim 2, it is characterised in that: the abutting stem (10) is far from shaft (1) one end is fixed with rubber pad (15).

4. a kind of small axis of engine according to claim 1, it is characterised in that: internal diameter, the axle sleeve of the dustproof cover (3) (5) internal diameter of internal diameter and heat-conducting plate (6) is all greater than the diameter of shaft (1).

5. a kind of small axis of engine according to claim 1, it is characterised in that: the internal center of the dustproof cover (3) Through-hole (16) are all equipped at position.

6. a kind of small axis of engine according to claim 5, it is characterised in that: the dustproof cover on the outside of the through-hole (16) (3) internal to be equipped with four groups of location holes (11), and the angle between adjacent positioned hole (11) is 90 degree.

7. a kind of small axis of engine according to claim 1, it is characterised in that: the axle sleeve on the outside of the heat-conducting plate (6) (5) internal to be equipped with equidistant heat release hole (7).