CN208123408U - Lubricating arrangement and system - Google Patents

Abstract

The utility model provides a kind of lubricating arrangement and system.The lubricating arrangement includes：Gear shaft and oilgear, wherein, the oilgear is set on the gear shaft, the axial direction of the gear shaft is provided with oil inlet passage, the radial direction of the gear shaft is provided with the oil discharge passage being connected to the oil inlet passage, it is provided with fuel-displaced buffer part on the inner sidewall of the oilgear, trapped fuel chamber is provided between the fuel-displaced buffer part and the lateral wall of the gear shaft, and the trapped fuel chamber is connected to the oil discharge passage.Lubricating arrangement provided by the utility model and lubricating system can treat that oilgear is slow, uniform coating lubricating oil with just right profit oil mass, it solves in the prior art with profit oil mass cannot be held when felt gear lubrication very well, the technical issues of lubricant effect is bad when moistening oil mass less, and profit oil mass had not only wasted when more but also polluted environment.

Description

Lubricating arrangement and system

Technical field

The utility model relates to a kind of transmission parts more particularly to a kind of lubricating arrangements and system with lubricating function.

Background technique

Gear drive is one of most common machine driving form, in various gear-driven forms, the gear teeth from start into Enter to be engaged to during disengagement that there is frictions, it is seen then that gear and gear or its transmission between rack gear be unable to do without lubrication The lubrication of oil can cause serious abrasion without enough lubrications to gear or rack gear, and then influence the normal operation of equipment.

Currently, common felt gear lubrication method is to gear daubing lubrication oil to be lubricated.When specific operation, note is used Lubricating oil on felt gear is applied felt gear oiling by the engagement rotation of felt gear and gear to be lubricated by oil pump It smears to gear to be lubricated.

However, the intensity of felt gear can be destroyed when fill cup hydraulic is excessive, reduce the service life of felt gear, and Profit oil mass can not be held using the above method very well, lubricant effect is bad when profit oil mass is few, and profit oil mass had not only wasted but also dirty when more Contaminate environment.

Utility model content

The utility model provides a kind of lubricating arrangement and system, both can treat oilgear with just right lubrication amount Slowly, uniform coating lubricating oil, and oil will not be wasted will not pollute environment, can also extend oilgear uses the longevity Life.

The utility model provides a kind of lubricating arrangement, including gear shaft and oilgear, and the oilgear is set in institute It states on gear shaft；The axial direction of the gear shaft is provided with oil inlet passage, and the radial direction of the gear shaft is provided with and institute State the oil discharge passage of oil inlet passage connection；Fuel-displaced buffer part, the fuel-displaced buffering are provided on the inner sidewall of the oilgear Trapped fuel chamber is provided between portion and the lateral wall of the gear shaft, and the trapped fuel chamber is connected to the oil discharge passage.

Optionally, the first capping and the second capping are arranged on the gear shaft, the oilgear is set in described the The outside of one capping and second capping；First capping is located at one end of the fuel-displaced buffer part, second capping Positioned at the other end of the fuel-displaced buffer part, first capping, second capping, the fuel-displaced buffer part and the gear The space that axis outer wall is surrounded forms the trapped fuel chamber.

Optionally, the outer rim of first capping is provided with the first sunk type step to sink towards first direction, described First direction is the direction far from second capping；The outer rim of second capping is provided with the second sunk type step, described One end of fuel-displaced buffer part abuts the first sunk type step, and the other end abuts the second sunk type step.

Optionally, the width of the first sunk type step and the width of the second sunk type step are equal and described The width of first sunk type step and the second sunk type step is greater than the width of the fuel-displaced buffer part；The oilgear Inner sidewall on the position of the relatively described fuel-displaced buffer part be provided with ring convex portion, the ring convex portion is bonded the fuel-displaced buffer part and sets It sets.

Optionally, the lateral wall of the gear shaft includes the first lateral wall and the second lateral wall, first lateral wall pair The diameter for the gear shaft answered is greater than the diameter of the corresponding gear shaft of second lateral wall, first lateral wall and described second Confined planes are formed between lateral wall；The inner sidewall fitting described second of the inner sidewall of first capping and second capping Lateral wall setting, and first capping is bonded setting with the confined planes far from the side of second capping.

Optionally, it is additionally provided with first annular groove on second lateral wall, is provided in the first annular groove Stopper section, second capping are bonded setting with the stopper section far from the side of first capping.

Optionally, it is provided with second annular groove on the inner sidewall of first capping, is set in the second annular groove It is equipped with the first sealing ring；It is provided with third annular groove on the inner sidewall of second capping, is set in the third annular groove It is equipped with the second sealing ring.

Optionally, the fuel-displaced buffer part is copper powder sintering set, and the copper powder sintering, which is put on, is provided with oil seepage hole.

Optionally, the oilgear is felt gear, and the composition material of the felt gear includes in following material It is at least one：

Wool, sponge, oil absorbent material, non-woven fabrics, fiber, flax, polyurethane.

The utility model also provides a kind of lubricating system, including：Lubricating arrangement as described above and gear to be lubricated, it is described Oilgear is engaged with the gear to be lubricated, to be lubricated to the gear to be lubricated.

Lubricating arrangement provided by the utility model and system, the device are set on gear shaft by oilgear；Gear The axial direction of axis is provided with oil inlet passage, and the radial direction of gear shaft is provided with the oil discharge passage being connected to oil inlet passage, is Lubricating oil provides fluid channel, and lubricating oil is flowed into along assigned direction, is arranged on the inner sidewall of oilgear There is fuel-displaced buffer part, trapped fuel chamber is provided between fuel-displaced buffer part and the lateral wall of gear shaft, and trapped fuel chamber and oil discharge passage connect It is logical, lubricating oil is stored by trapped fuel chamber, can guarantee sufficient profit oil mass；Fuel-displaced buffer part can be good at control profit oil mass, So that profit oil mass is unlikely excessive, and it is also unlikely very few, thereby, it is possible to guarantee just right profit oil mass, can lubricate well wait moisten Slip teeth wheel, while not causing the waste and environmental pollution of profit oil mass again, and then extend making for oilgear and gear to be lubricated Use the service life.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is the main view of lubricating arrangement provided by the utility model；

Fig. 2 is the side view of lubricating arrangement provided by the utility model；

Fig. 3 is a structural schematic diagram of lubricating arrangement provided by the utility model；

Fig. 4 is another structural schematic diagram of lubricating arrangement provided by the utility model；

Fig. 5 is the sectional view of lubricating arrangement provided by the utility model；

Fig. 6 is the fragmentary cross-sectional view of lubricating arrangement provided by the utility model.

Description of symbols：

10- gear shaft；20- oilgear；

101- oil inlet passage；102- oil discharge passage；

201- buffer part；30- trapped fuel chamber；

211- first is covered；The inner sidewall that 2110- first is covered；

2111- second annular groove；The first sealing ring of 2112-；

212- second is covered；The inner sidewall that 2120- second is covered；

2121- third annular groove；The second sealing ring of 2122-；

311- the first sunk type step；312- the second sunk type step；

202- ring convex portion；The first lateral wall of 111-；

The second lateral wall of 112-；1121- first annular groove；

The stopper section 1122-；113- confined planes.

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.

The technical solution of the utility model is described in detail with specifically embodiment below.These are specific below Embodiment can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.

Fig. 1 is the main view of lubricating arrangement provided by the utility model；Fig. 2 is lubricating arrangement provided by the utility model Side view；Fig. 3 is a structural schematic diagram of lubricating arrangement provided by the utility model；Fig. 4 is lubrication provided by the utility model Another structural schematic diagram of device；Fig. 5 is the sectional view of lubricating arrangement provided by the utility model.As shown in Figs. 1-5, the lubrication Device includes gear shaft 10 and oilgear 20, which is set on the gear shaft 10.

Specifically, the axial direction of gear shaft 10 is provided with oil inlet passage 101, the radial direction of gear shaft 10 be provided with The oil discharge passage 102 of the oil inlet passage 101 connection；Fuel-displaced buffer part 201 is provided on the inner sidewall of oilgear 20, this is fuel-displaced Trapped fuel chamber 30 is provided between buffer part 201 and the lateral wall of gear shaft 10, and the trapped fuel chamber 30 is connected to oil discharge passage 102.

In specific setting, an oil inlet can be opened up on an end face of gear shaft 10, from oil inlet along gear The axis direction of axis 10 opens up channel to predetermined position, forms oil inlet passage 101, in the pre-position of oil inlet passage 101, hangs down Oil discharge passage 102 directly is opened up in the direction of oil inlet passage 101, oil discharge passage 102 extends to the lateral surface of gear shaft 10, in gear An oil outlet is formed on the lateral surface of axis 10.The position for wherein opening up oil inlet can be the center of circle of 10 circular end face of gear shaft Place, but be not specifically limited, the cross-sectional shape of oil inlet passage 101 can be appointing in the shapes such as circle, square, rectangle It anticipates one kind, above-mentioned predetermined position depends on the position of oil outlet on 10 lateral surface of gear shaft, and the position of oil outlet can not be done It is specific to limit, as long as guaranteeing to enter in trapped fuel chamber 30 from the oil that oil outlet flows out.

Specifically, for example, in one possible implementation, the section of oilgear 20 can be designed as " recessed Font ", oilgear 20 are set on gear shaft 10, and the lateral wall of the both sides fitting gear shaft 10 of " concave shape " protrusion is set It sets, certain space is formed between oilgear 20 and gear shaft 10, it can be in this space close to 20 inside of oilgear Fuel-displaced buffer part 201 is arranged in the position of wall, and in one possible implementation, fuel-displaced buffer part 201 may be designed in " recessed Font ", lateral surface and two end face outsides be bonded oilgear 20 inside setting so that fuel-displaced buffer part 201 with A trapped fuel chamber 30 is formed between the lateral wall of gear shaft 10, the present embodiment, which does not do the composition material of fuel-displaced buffer part 201, to be had Body limits, as long as buffer function can be played to lubricating oil, makes lubricating oil slowly from wherein exudation.Fuel-displaced buffer part 201 with The trapped fuel chamber 30 formed between the lateral wall of gear shaft 10, is connected to oil discharge passage 102, and lubricating oil is flowed out from oil discharge passage 102 To trapped fuel chamber 30, oozed out on oilgear 20 by fuel-displaced buffer part 201 under the influence of centrifugal force.Pass through oilgear 20 With engaging for gear to be lubricated so that lubricating oil on oilgear 20 slowly, is uniformly applied on gear to be lubricated.

When treating oilgear and being lubricated, oilgear 20 is set on gear shaft 10 first, by oilgear 20 completely engage with gear to be lubricated, and lubricating pump is by the oil inlet passage 101 of the axial direction setting of gear shaft 10 and in tooth Wheel shaft 10 radial direction setting the oil discharge passage 102 being connected to oil inlet passage 101, lubricating oil is injected into oil discharge passage In the trapped fuel chamber 30 of 102 connections, wherein trapped fuel chamber 30 is located between fuel-displaced buffer part 201 and the lateral wall of gear shaft 10, and is gone out Oily buffer part 201 is arranged on the inner sidewall of oilgear 20.When gear to be lubricated drives oilgear 20 to rotate, trapped fuel The lubricating oil stored in chamber 30 under the influence of centrifugal force, via the fuel-displaced buffer part 201 being arranged on 20 inner sidewall of oilgear It oozes out on oilgear 20, by engaging for oilgear 20 and gear to be lubricated, the lubricating oil on oilgear 20 is delayed Slowly, uniformly it is applied on gear to be lubricated.

The present embodiment is set on gear shaft by oilgear；The axial direction of gear shaft is provided with oil inlet passage, tooth The radial direction of wheel shaft is provided with the oil discharge passage being connected to oil inlet passage, provides fluid channel for lubricating oil, so that lubrication Oil can be flowed into along assigned direction, and fuel-displaced buffer part, fuel-displaced buffer part and gear are provided on the inner sidewall of oilgear It is provided with trapped fuel chamber between the lateral wall of axis, and trapped fuel chamber is connected to oil discharge passage, lubricating oil, Neng Goubao are stored by trapped fuel chamber Demonstrate,prove sufficient profit oil mass；Fuel-displaced buffer part can be good at control profit oil mass, so that profit oil mass is unlikely excessive, it is also unlikely very few, Thereby, it is possible to guarantee just right profit oil mass, gear to be lubricated can be lubricated well, while not causing the waste of profit oil mass again And environmental pollution, and then extend the service life of oilgear and gear to be lubricated.

Referring to FIG. 5, on the basis of the above embodiment 1, as shown in figure 5, being arranged with the first envelope on the gear shaft 10 Lid 211 and the second capping 212, oilgear 20 are set in the outside of the first capping 211 and the second capping 212；

Wherein, the first capping 211 is located at one end of fuel-displaced buffer part 201, and the second capping 212 is located at fuel-displaced buffer part 201 The other end, first the 211, second capping 212 of capping, the space that is surrounded with 10 outer wall of gear shaft of fuel-displaced buffer part 201 are formed Trapped fuel chamber 30.

The present embodiment is by the first capping 211 being set on gear shaft 10 and the second capping 212 by 20 sets of oilgear It is located on gear shaft 10, so that oilgear 20 will not be moved radially in rotation, guarantees good engagement effect；Pass through Fitting setting the first capping 211 and the second capping 212 at the both ends of fuel-displaced buffer part 201, so that by the first capping 211, second The lubricating oil in trapped fuel chamber 30 that the outer wall of capping 212, fuel-displaced buffer part 201 and gear shaft 10 is constituted will not be from trapped fuel chamber 30 The problem of surrounding outflow, the environmental pollution of leakage bring and lubricating oil for avoiding lubricating oil waste.

The lubricating oil injected by lubricating pump is stored, is subtracted by the lubricating arrangement provided through this embodiment, trapped fuel chamber 30 Lack the trouble of the frequent oiling of lubricating pump, and ensure that sufficient profit oil mass, thereby, it is possible to lubricate gear to be lubricated well, It does not cause the waste and environmental pollution of profit oil mass again simultaneously, and then extends the service life of oilgear and gear to be lubricated.

On the basis of the above embodiments, as shown in figure 5, the outer rim of the first capping 211 is provided with towards under first direction The first heavy sunk type step 311, the first direction are the direction far from second capping 212；

The outer rim of second capping 212 is provided with the second sunk type step 312, one end of the fuel-displaced buffer part 201 The first sunk type step 311 is abutted, the other end abuts the second sunk type step 312.

First sunk type step 311 and the second sunk type step 312 are set, it on the one hand can be by fuel-displaced 201 edge of buffer part 10 axial restraint of gear shaft gets up, and on the other hand the both ends of fuel-displaced buffer part 201 radially can be covered 211 with first respectively It is fitted closely with the second capping 212.

Further, as shown in figure 5, the width phase of the width of the first sunk type step 311 and the second sunk type step 312 Deng, and the width of the first sunk type step 311 and the second sunk type step 312 is greater than the width of fuel-displaced buffer part 201；Lubricate tooth The position of relatively fuel-displaced buffer part 201 is provided with ring convex portion 202 on the inner sidewall of wheel 20, which is bonded fuel-displaced buffering Portion 201 is arranged.

In specific design, the width of the first sunk type step 311 and the second sunk type step 312 is made to be greater than fuel-displaced buffering The width in portion 201, and it is bonded on oilgear 20 the position setting ring convex portion 202 of fuel-displaced buffer part 201, not only may be used as a result, So that the both ends of fuel-displaced 201 medial surface of buffer part and its two end side surfaces are closely pasted with the first capping 211 and the second capping 212 It closes, the medial surface of oilgear 20 and the lateral surface of fuel-displaced buffer part 201, first the 211, second capping 212 of capping can also be made It fits closely.It ensure that fuel-displaced buffer part 201, first covers the stability of 20 radial direction of the 211, second capping 212 and oilgear.

Lubricating arrangement provided in this embodiment, the setting of the first sunk type step 311 and the second sunk type step 312 so that Fuel-displaced 211, second capping 212 of the capping of buffer part 201, first and oilgear 20 fit closely, and ensure that good radial direction is steady Solidity.The lubricating arrangement provided through this embodiment can be good at lubricating gear to be lubricated, while not cause profit oil mass again Waste and environmental pollution, and then extend the service life of oilgear and gear to be lubricated.

Fig. 6 is the fragmentary cross-sectional view of lubricating arrangement provided by the utility model.On the basis of the above embodiments, such as Fig. 6 Shown, the lateral wall of gear shaft 10 includes the first lateral wall 111 and the second lateral wall 112, the corresponding gear of the first lateral wall 111 The diameter of axis 10 is greater than the diameter of the corresponding gear shaft 10 of the second lateral wall 112, outside first lateral wall 111 and described second Confined planes 113 are formed between side wall 112.

In practical applications, gear shaft 10 is integrally formed, but the diameter of gear shaft both ends of the surface is not identical, by gear shaft 10 lateral surface has been divided into the first lateral wall 111 that shaft section is relatively large in diameter and lesser second lateral wall 112 of shaft section diameter, Therefore, the different lateral surface of two sections of shaft section diameters forms confined planes 113 at shaft section diameter mutation.

Further, the inner sidewall 2110 of the first capping and the inner sidewall 2120 of the second capping are bonded the second lateral wall 112 Setting, and the first capping 211 is bonded setting with confined planes 113 far from the side of the second capping 212.

In the present embodiment, it is straight that the inner sidewall 2120 of the inner sidewall 2110 of the first capping and the second capping is bonded shaft section Lesser second lateral wall 112 of diameter is arranged, and the side fitting of the first capping 211 is arranged on confined planes 113, so that First capping 211 is closely set on gear shaft 10, and when oilgear 20 rotates, the first capping 211 will not be along gear The corresponding gear shaft movement of axial first lateral wall 111 of axis 10.Avoiding can not lubricate because the shaking of oilgear 20 is brought Or the problem of lubricant effect difference.The lubricating arrangement provided through this embodiment can be good at lubricating gear to be lubricated, while again The waste and environmental pollution of profit oil mass are not caused, and then extends the service life of oilgear and gear to be lubricated.

On the basis of the above embodiments, referring again to Fig. 6.As shown in fig. 6, being additionally provided on the second lateral wall 112 First annular groove 1121 is provided with stopper section 1122 in first annular groove 1121, and the second capping 212 is far from the first capping 211 side is bonded setting with the stopper section 1122.

Specifically, position of the first annular groove 1121 on the second lateral wall 112 of gear shaft 10 is by fuel-displaced buffer part 201 axial length determined, to the specific value of the length, the present embodiment does not limit, can do random adjustment as needed, Generally, the thickness of oilgear 20 determines the maximum value of the length to a certain extent, in reasonable range, if will go out The axial length of oily buffer part 201 is arranged larger, then position of second capping 212 on the second lateral wall 112 of gear shaft 10 It sets further away from the first capping 211, is enclosed by first the 211, second capping 212 of capping, fuel-displaced buffer part 201 with 10 outer wall of gear shaft At trapped fuel chamber 30 space also just increase.Lubricating oil is stored using the big trapped fuel chamber 30 in space, can largely be reduced The frequent oiling bring trouble of lubricating pump, and ensure that sufficient profit oil mass.

In the present embodiment, without limitation to the form of stopper section 1122, stopper section 1122 can be in sealing ring, retaining ring Any one, further, to the circle shape of retaining ring closure or it is non-closed also without limitation, as long as 212 axis can be covered by second To being limited on the position that one determines, this position determined is determined by the axial length of fuel-displaced buffer part 201, as a result, In conjunction with foregoing embodiments, no matter the oilgear 20 of lubricating arrangement provided by the utility model radially or is axially all limited Be scheduled on the fixation position of gear shaft 10, avoid because the shaking bring of oilgear 20 can not lubricate or lubricant effect difference Problem.The lubricating arrangement provided through this embodiment can be good at lubricating gear to be lubricated, while not cause profit oil mass again Waste and environmental pollution, and then extend the service life of oilgear and gear to be lubricated.

Further, please continue to refer to Fig. 6, on the basis of the above embodiments, it is arranged on the inner sidewall of the first capping 211 There is second annular groove 2111, the first sealing ring 2112 is provided in second annular groove 2111；It is corresponding, second capping it is interior It is provided with third annular groove 2121 on side wall 2120, the second sealing ring 2122 is provided in the third annular groove 2121.

In the present embodiment, the first sealing ring 2112 and the second sealing ring 2122 are set, so that the first capping 211 and second Capping 212 is closely set on the second lateral wall 112 of gear shaft 10, ensure that the first sealing ring 2112, the second sealing ring 2122 fit closely with the second lateral wall 112 of gear shaft 10 respectively so that by first capping 211, second capping 212, The lubricating oil stored in the trapped fuel chamber 30 that fuel-displaced buffer part 201 is surrounded with 10 outer wall of gear shaft will not be from the first sealing ring 2112, it oozes out or trickles to outer on the binding face between the second sealing ring 2122 and the second lateral wall 112 of gear shaft 10.Pass through Lubricating arrangement provided in this embodiment can be good at lubricating gear to be lubricated, while not cause waste and the ring of profit oil mass again Border pollution, and then extend the service life of oilgear and gear to be lubricated.

On the basis of the above embodiment 1, optionally, fuel-displaced buffer part 201 is copper powder sintering set, and copper powder sintering is put on It is provided with oil seepage hole.

Further, which is felt gear, the composition material of felt gear include in following material extremely Few one kind：Wool, sponge, oil absorbent material, non-woven fabrics, fiber, flax, polyurethane.

Specifically, the interior copper powder sintering set for setting many oil seepage holes constitutes the buffering of lubricating arrangement provided by the utility model Portion 201, need to treat oilgear be lubricated when, be stored in advance in the lubricating oil in trapped fuel chamber 30 in the effect of centrifugal force Under, it is oozed out on oilgear 20 from the oil seepage hole in fuel-displaced buffer part 201, since oilgear 20 is felt gear, that is, The composition material of oilgear 20 is that wool, sponge, oil absorbent material, non-woven fabrics, fiber, flax, polyurethane etc. have certain oil suction Any one in the material of ability, oilgear 20 absorb the lubricating oil oozed out from the oil seepage hole in fuel-displaced buffer part 201, By being engaged with gear to be lubricated, the lubricating oil being absorbed on oilgear 20 is applied on gear to be lubricated.Due to copper Powder sintering covers upper oil seepage hole aperture very little, only just has under conditions of oilgear 20 rotates and generates certain centrifugal force Lubricating oil exudation, thus it is guaranteed that when oilgear 20 stops operating will not permeability or oil leak, reduce the wave to lubricating oil Take and the pollution to environment.

The present embodiment covers upper oil seepage hole by copper powder sintering, rotates in oilgear 20 and generates the item of certain centrifugal force It oozes out into the lubricating oil being stored in trapped fuel chamber 30 on oilgear 20, passes through oilgear 20 and gear to be lubricated Engagement rotation makes to ooze out into the oil on oilgear 20 and slowly, is uniformly applied on gear to be lubricated, and thereby, it is possible to good Control profit oil mass, guarantees just right profit oil mass, can lubricate gear to be lubricated well, while not causing the wave of profit oil mass again Take and environmental pollution, and then extends the service life of oilgear and gear to be lubricated.

The utility model additionally provides lubricating system described in another embodiment comprising described in any of the above-described embodiment Lubricating arrangement further includes gear to be lubricated, and oilgear 20 is engaged with gear to be lubricated, is lubricated with treating oilgear.

In the present embodiment, the modulus of oilgear 20 and pressure angle are identical with gear to be lubricated, so that lubrication tooth Wheel 20 meshes together with the gear moment to be lubricated.Wherein, gear to be lubricated is driving wheel, and oilgear 20 is driven wheel, profit Slip teeth wheel 20 is rotated with gear to be lubricated, in use, the gear shaft of oilgear 20 and gear to be lubricated is fixed on same On support frame, engaged at the time of further ensuring oilgear 20 with gear to be lubricated.The process and previous embodiment of lubrication Description it is similar, details are not described herein again.

The present embodiment is not specifically limited object to be lubricated, for example, can pass through lubrication provided by the utility model Device is gear lubrication, or rack gear lubrication, as long as gear and rack gear to be lubricated can with it is provided by the utility model 20 moment of oilgear in lubricating arrangement meshes together, and can guarantee to treat the slow of oilgear or rack gear in this way Slowly, uniformly lubricate.

Lubricating arrangement provided by the utility model and lubricating system pass through this suitable for the lubrication to gear or rack gear etc. The lubricating arrangement and lubricating system that utility model provides, can not only lubricate well tooth to be lubricated with just right profit oil mass Wheel or rack gear, and not will cause the waste of lubricating oil, will not pollute environment, extend making for oilgear and gear to be lubricated Use the service life.

The (if present)s such as involved term " first ", " second ", " third " are for distinguishing in the utility model Similar object, without being used to describe a particular order or precedence order.It should be understood that the data used in this way are in appropriate feelings It can be interchanged under condition, so that the embodiments of the present invention described herein for example can be in addition to illustrating herein or describing Sequence other than those is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that covering is not arranged His includes, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to clearly Those of list step or unit, but may include be not clearly listed or for these process, methods, product or equipment Intrinsic other step or units.

Wherein, the term of " inner sidewall ", " lateral wall ", " inside ", " outside ", " close ", " separate " etc., is for describing The relative positional relationship of each structure in the accompanying drawings, only being illustrated convenient for narration, rather than can be real to limit the utility model The range applied, relativeness are altered or modified, under the content of no substantial changes in technology, can be real when being also considered as the utility model The scope applied, specifically, " inner sidewall " and " lateral wall " is used to the oilgear for indicating directly or indirectly to be set on gear shaft Or capping etc., relative to the distance of gear shaft, for example, the side of the relatively close gear shaft of oilgear can be known as " interior Side wall ", the side for being relatively distant from gear shaft are known as " lateral wall "；" inside " and " outside " is used to indicate in the inside of some structure Or outside；" close " and it is " separate " be used to indicate some structure relative to another structural distance how far.

Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand：It is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of lubricating arrangement, including gear shaft and oilgear, which is characterized in that the oilgear is set in the gear On axis；

The axial direction of the gear shaft is provided with oil inlet passage, and the radial direction of the gear shaft is provided with logical with the oil inlet The oil discharge passage of road connection；

Fuel-displaced buffer part, the lateral wall of the fuel-displaced buffer part and the gear shaft are provided on the inner sidewall of the oilgear Between be provided with trapped fuel chamber, and the trapped fuel chamber is connected to the oil discharge passage.

2. the apparatus according to claim 1, which is characterized in that be arranged with the first capping and the second envelope on the gear shaft Lid, the oilgear are set in the outside of first capping and second capping；

First capping is located at one end of the fuel-displaced buffer part, and second capping is located at the another of the fuel-displaced buffer part End, the space that first capping, second capping, the fuel-displaced buffer part are surrounded with the gear shaft outer wall form The trapped fuel chamber.

3. the apparatus of claim 2, which is characterized in that the outer rim of first capping is provided with towards first direction The the first sunk type step to sink, the first direction are the direction far from second capping；

The outer rim of second capping is provided with the second sunk type step, and one end of the fuel-displaced buffer part abuts under described first Heavy formula step, the other end abut the second sunk type step.

4. device according to claim 3, which is characterized in that under the width of the first sunk type step and described second The width of heavy formula step is equal, and the width of the first sunk type step and the second sunk type step is greater than described fuel-displaced The width of buffer part；

The position of the relatively described fuel-displaced buffer part is provided with ring convex portion, the ring convex portion fitting on the inner sidewall of the oilgear The fuel-displaced buffer part setting.

5. the apparatus of claim 2, which is characterized in that the lateral wall of the gear shaft includes the first lateral wall and the The diameter of two lateral walls, the corresponding gear shaft of first lateral wall is greater than the straight of the corresponding gear shaft of second lateral wall Diameter is formed with confined planes between first lateral wall and second lateral wall；

The inner sidewall of first capping and the inner sidewall of second capping are bonded second lateral wall setting, and described the One capping is bonded setting with the confined planes far from the side of second capping.

6. device according to claim 5, which is characterized in that be additionally provided on second lateral wall first annular recessed Slot, is provided with stopper section in the first annular groove, side of second capping far from first capping and it is described only Stopper fitting setting.

7. the apparatus of claim 2, which is characterized in that be provided with the second annular on the inner sidewall of first capping Groove is provided with the first sealing ring in the second annular groove；

It is provided with third annular groove on the inner sidewall of second capping, is provided with the second sealing in the third annular groove Circle.

8. the apparatus according to claim 1, which is characterized in that the fuel-displaced buffer part is copper powder sintering set, the copper powder Sintering, which is put on, is provided with oil seepage hole.

9. the apparatus according to claim 1, which is characterized in that the oilgear is felt gear, the felt gear Composition material be the material with oil absorption capacity.

10. a kind of lubricating system, which is characterized in that including：Lubricating arrangement and tooth to be lubricated as described in claim 1-9 is any Wheel, the oilgear is engaged with the gear to be lubricated, to be lubricated to the gear to be lubricated.