CN209159291U - Drive axle and vehicle - Google Patents

Abstract

The utility model discloses a kind of drive axle and vehicle, drive axle includes: axle housing, gear ring and fixing piece.The internal perisporium of axle housing is equipped with first positioning hole, and gear ring is located in axle housing, and gear ring is equipped with second location hole, and first positioning hole and second location hole jointly constructs go out fixation hole.Fixing piece is rigid member, and fixing piece and fixation hole are interference fitted.Drive axle according to the present utility model, by the way that first positioning hole is arranged on the internal perisporium of axle housing, second location hole is set on gear ring, and in the fixation hole for utilizing fixing piece to go out in interference fit with first positioning hole and second location hole jointly constructs, structure is simple, convenient for the fixing assembling of gear ring, and improve gear ring fixed stability and reliability.Moreover, fixing piece is rigid member, stress and deformation is small, and the shaking of gear ring can be effectively reduced, to reduce the running noises of drive axle, improves the stability of drive axle operation.

Description

Drive axle and vehicle

Technical field

The utility model relates to technical field of vehicle more particularly to a kind of drive axles and vehicle.

Background technique

In the related technology, the axle housing of drive axle and gear ring fixed structure are cumbersome, it is inconvenient to assemble, moreover, gear ring is easy to happen It shakes, generates noise, and influence the running precision of drive axle.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions A kind of drive axle out, the drive axle have the advantages that stable structure, noise are low.

The utility model also proposes that a kind of vehicle, the vehicle include drive axle described above.

According to the drive axle of the utility model embodiment, comprising: axle housing, the internal perisporium of the axle housing are equipped with the first positioning Hole；Gear ring, the gear ring are located in the axle housing, the gear ring be equipped with second location hole, the first positioning hole with it is described Second location hole jointly constructs go out fixation hole；Fixing piece, the fixing piece are rigid member, the fixing piece and the fixation hole mistake It is full of cooperation.

According to the drive axle of the utility model embodiment, by the way that first positioning hole is arranged on the internal perisporium of axle housing, in tooth Second location hole is set on circle, and is consolidated using fixing piece in interference fit with what first positioning hole and second location hole jointly constructs went out Determine in hole, structure is simple, convenient for the fixing assembling of gear ring, and improves gear ring fixed stability and reliability.Moreover, fixed Part is rigid member, and stress and deformation is small, and the shaking of gear ring can be effectively reduced, to reduce the running noises of drive axle, is improved The stability of drive axle operation.

Some embodiments according to the present utility model, the second location hole is set on the periphery wall of the gear ring, and institute The axial direction that second location hole is stated along the gear ring penetrates through the gear ring.

In some embodiments of the utility model, the cross section of the first positioning hole and the second location hole quilt It is configured to semicircle, rectangle or polygon.

Some embodiments according to the present utility model, the axle housing include axle housing periphery wall and axle housing side wall, the axle housing Side wall is connect with the axle housing periphery wall, on close to the axle housing periphery wall to the direction far from the axle housing periphery wall, institute It states axle housing side wall and is tilted towards radially inner side and extended, the first positioning hole is set on the inner wall of the axle housing side wall, and described the Two location holes are in axial direction oppositely arranged with the first positioning hole.

In some embodiments of the utility model, lug boss, the separate bridge of the gear ring are equipped in the axle housing The end face of shell open ports side is only supported with the lug boss.

Some embodiments according to the present utility model, further includes: the internal perisporium of circlip, the axle housing is equipped with card slot, institute Circlip is stated in the card slot, the circlip only offsets to end face with the gear ring, and the end face of only supporting is the gear ring Close to the axle housing open ports side end face.

In some embodiments of the utility model, the end of the circlip and the fixing piece at least partly offsets.

Some embodiments according to the present utility model, the first positioning hole and the second location hole are along the tooth The circumferential direction of circle is spaced multiple, and multiple first positioning holes are set with multiple second location hole one-to-one correspondence It sets.

In some embodiments of the utility model, multiple first positioning holes are uniform along the circumferential direction of the axle housing Interval setting.

According to the vehicle of the utility model embodiment, comprising: drive axle, the drive axle are drive axle described above.

According to the vehicle of the utility model embodiment, by the way that the first positioning is arranged on the internal perisporium of the axle housing of drive axle Second location hole is arranged in hole on gear ring, and using fixing piece in interference fit with first positioning hole and the common structure of second location hole In the fixation hole produced, structure is simple, convenient for the fixing assembling of gear ring, and improves gear ring fixed stability and reliability. Moreover, fixing piece is rigid member, stress and deformation is small, the shaking of gear ring can be effectively reduced, to reduce the operation of drive axle Noise improves the stability of vehicle operation.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the partial structurtes explosive view according to the drive axle of the utility model embodiment；

Fig. 2 is the partial structurtes enlarged drawing for the part A that Fig. 1 centre circle shows；

Fig. 3 is the partial structure sectional view according to the drive axle of the utility model embodiment；

Fig. 4 is the side view according to the drive axle of the utility model embodiment；

Fig. 5 is the drive axle cross-sectional view according to the utility model embodiment.

Appended drawing reference:

Drive axle 100,

Axle housing 10, axle housing periphery wall 110, lug boss 111, card slot 112, axle housing side wall 120, first positioning hole 130,

Gear ring 20, second location hole 220,

Fixing piece 30,

Circlip 40.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " on ", "lower", "left", "right", "inner", "outside", The orientation or positional relationship of the instructions such as " axial direction ", " radial direction ", " circumferential direction " is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, define " the One ", the feature of " second " can explicitly or implicitly include one or more of the features.In the description of the utility model In, unless otherwise indicated, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in utility model.

Below with reference to Fig. 1-Fig. 5 description according to the drive axle 100 and vehicle of the utility model embodiment.

As shown in Figure 1-Figure 3, according to the drive axle of the utility model embodiment 100, drive axle 100 includes: axle housing 10, tooth Circle 20 and fixing piece 30.

Specifically, as depicted in figs. 1 and 2, the internal perisporium of axle housing 10 is equipped with first positioning hole 130, and gear ring 20 is located at In axle housing 10, gear ring 20 is equipped with second location hole 220, and first positioning hole 130 and 220 jointly constructs of second location hole go out to fix Hole.For example, first positioning hole 130 can be partially connected to second location hole 220 to construct fixation hole.

Fixing piece 30 is rigid member, and fixing piece 30 and fixation hole are interference fitted.It should be noted that in assembly 20 He of gear ring When axle housing 10, fixing piece 30 can be protruded into corresponding fixation hole, make the periphery wall of fixing piece 30 and the internal perisporium of fixation hole It offsets.Since fixing piece 30 is rigid member, deformation quantity when 30 stress of fixing piece is smaller, so as to avoid gear ring 20 from shaking It is dynamic.Moreover, fixing piece 30 and fixation hole are interference fitted, fixing piece 30 is closely tied between axle housing 10 and gear ring 20, improves Gear ring 20 fixed fastness and reliability.

According to the drive axle 100 of the utility model embodiment, by the way that first positioning hole is arranged on the internal perisporium of axle housing 10 130, second location hole 220 is set on gear ring 20, and fixed in interference fit with first positioning hole 130 and second using fixing piece 30 In the fixation hole that position 220 jointly constructs of hole go out, structure is simple, and convenient for the fixing assembling of gear ring 20, and it is fixed to improve gear ring 20 Stability and reliability.Moreover, fixing piece 30 is rigid member, stress and deformation is small, and the shaking of gear ring 20 can be effectively reduced, from And the running noises of drive axle 100 are reduced, improve the stability of the operation of drive axle 100.

Some embodiments according to the present utility model, as shown in Figure 1, second location hole 220 can be set to the outer of gear ring 20 On peripheral wall, and second location hole 220 penetrates through gear ring 20 along the axial direction of gear ring 20.Adding convenient for second location hole 220 as a result, Work manufacture, moreover, being convenient for the cooperation of first positioning hole 130 and second location hole 220.

As shown in Figure 1, the internal perisporium of axle housing 10 is equipped with first positioning hole 130, the periphery wall of gear ring 20 is equipped with second Location hole 220, first positioning hole 130 and second location hole 220 extend along the axial direction of axle housing 10 and open wide toward each other. When assembling gear ring 20, keep first positioning hole 130 and second location hole 220 opposite to construct fixation hole, and by fixing piece 30 It protrudes into corresponding fixation hole, fixing piece 30 is closely tied between axle housing 10 and gear ring 20 with fixed gear ring 20.

In some embodiments of the utility model, the cross section of first positioning hole 130 and second location hole 220 can be with It is configured to semicircle, rectangle or polygon.As shown in Figure 1, the cross section of the first positioning hole 130 on 10 inner wall of axle housing is by structure It makes as semicircle, the cross section of the second location hole 220 on 20 periphery wall of gear ring is configured to semicircle, and first positioning hole 130 is equal with the radius of second location hole 220.First positioning hole 130 and second location hole 220 are opened along the radial direction of axle housing 10 Mouth is opposite to construct cylindrical fixation hole.Correspondingly, fixing piece 30 is configured to cylinder compatible with fixation hole.Gu The outer diameter for determining part 30 can be slightly larger than the internal diameter of fixation hole, so that fixing piece 30 and fixation hole interference fit.

Certainly, first positioning hole 130 and second location hole 220 can also be all configured as rectangle or other polygons, the A positioning hole 130 and second location hole 220 are collectively configured to cylindrical hole, and fixing piece 30 can be set to compatible with fixation hole Shape, fixing piece 30 in interference fit in fixation hole with fixed gear ring 20.

It is understood that a part due to fixing piece 30 is located in first positioning hole 130, also, fixing piece 30 It offsets in the periphery wall of the part in first positioning hole 130 and the internal perisporium of first positioning hole 130.Another part of fixing piece 30 In second location hole 220, and the periphery wall and second location hole for the part of fixing piece 30 being located in second location hole 220 220 internal perisporium offsets.Thus, it is possible to effectively avoid relatively rotating between gear ring 20 and axle housing 10, gear ring 20 is improved Fixed stability and reliability.

Some embodiments according to the present utility model, as shown in figure 5, axle housing 10 includes axle housing periphery wall 110 and axle housing side Wall 120, axle housing side wall 120 are connect with axle housing periphery wall 110, along close to axle housing periphery wall 110 to separate axle housing periphery wall 110 On direction, axle housing side wall 120 is tilted towards radially inner side to be extended, and first positioning hole 130 is set on the inner wall of axle housing side wall 120, Second location hole 220 is in axial direction oppositely arranged with first positioning hole 130.

It should be noted that as shown in figure 5, retarder, each deceleration there are two being set in the axle housing 10 of drive axle 100 Device is correspondingly arranged on a gear ring 20.Wherein, (the i.e. right side tooth shown in Fig. 5 of the gear ring 20 at the open ports far from axle housing 10 Circle 20) be equipped with axially through second location hole 220, the inner wall of axle housing side wall 120 is equipped with and the axial phase of second location hole 220 Pair first positioning hole 130, fixing piece 30 passes axially through second location hole 220 and first positioning hole 130, will be far from axle housing Gear ring 20 at 10 open ports is fixed on axle housing 10.

In some embodiments of the utility model, as shown in Figures 2 and 3, lug boss 111, gear ring are equipped in axle housing 10 The end face of 20 10 open ports side of separate axle housing (i.e. the right side of gear ring 20 shown in Fig. 3) is only supported with lug boss 111.Example Such as, the internal perisporium of axle housing 10 partially can form lug boss 111 to 10 internal projection of axle housing, and lug boss 111 extends along circumferential direction Form the annular shaft shoulder, end (the i.e. right side of gear ring 20 shown in Fig. 3 of the side of the open ports of the separate axle housing 10 of gear ring 20 Side) it is only supported with the shaft shoulder, so as to carry out axial limiting to gear ring 20, avoids gear ring 20 and be in axial direction directed away from axle housing The direction of 10 open ports is mobile, improves gear ring 20 fixed fastness and reliability.

Some embodiments according to the present utility model, as shown in figures 1 and 3, drive axle 100 can also include: circlip 40, The internal perisporium of axle housing 10 is equipped with card slot 112.Card slot 112 may be constructed such that the annular groove that circumferential direction extends, circlip 40 are set In in card slot 112, circlip 40 only offsets to end face with gear ring 20, only supports the open ports for the close axle housing 10 that end face is gear ring 20 The end face (i.e. the left end end face of gear ring 20 shown in Fig. 3) of side.Circlip 40 can carry out axial limit to gear ring 20 as a result, Position, effectively prevents that gear ring 20 is mobile towards the direction of the open ports of axle housing 10, improves the fixed fastness of gear ring 20 and can By property.

In some embodiments of the utility model, as shown in Figure 3 and Figure 4, the end of circlip 40 and fixing piece 30 is at least Part offsets.For example, the end of the side towards circlip 40 of fixing piece 30 can (i.e. the left end of fixing piece 30 shown in Fig. 3) At least partly to offset with circlip 40.Circlip 40 can carry out backstop to fixing piece 30 as a result, avoid fixing piece 30 in fixation hole It is interior to move axially, to further improve the fixed fastness of gear ring 20.

Some embodiments according to the present utility model, as shown in Figure 1 and Figure 4, first positioning hole 130 and second location hole 220 can be along gear ring 20 circumferential direction it is spaced multiple, multiple first positioning holes 130 and multiple second location holes 220 are arranged in a one-to-one correspondence.It is understood that being determined by the way that one-to-one multiple first positioning holes 130 and multiple second are arranged Position hole 220, can construct multiple fixation holes, a corresponding fixing piece 30 can be set in each fixation hole.

It, can be opposite with structure one by one with multiple second location holes 220 by multiple first positioning holes 130 when assembling gear ring 20 Multiple fixation holes are produced, and multiple fixing pieces 30 are corresponded and are inserted into corresponding fixation hole, it is solid to improve gear ring 20 as a result, Fixed stability.Moreover, multiple fixing pieces 30 can disperse between gear ring 20 and axle housing 10 when 10 stress of gear ring 20 or axle housing Pressure, improve drive axle 100 structural stability and bear load performance.

In some embodiments of the utility model, as shown in Figure 1 and Figure 4, multiple first positioning holes 130 are along axle housing 10 The setting of circumferential direction uniform intervals.It is understood that by the way that multiple first positioning holes 130 are equal along the circumferential direction of axle housing 10 Even interval setting, can be improved the fixed stationarity of gear ring 20, to be conducive to improve the stability that drive axle 100 is run.

According to the vehicle of the utility model embodiment, vehicle includes drive axle 100 described above.

According to the vehicle of the utility model embodiment, by being arranged first on the internal perisporium of the axle housing 10 of drive axle 100 Second location hole 220 is arranged in location hole 130 on gear ring 20, and using fixing piece 30 in interference fit with 130 He of first positioning hole In the fixation hole that 220 jointly constructs of second location hole go out, structure is simple, convenient for the fixing assembling of gear ring 20, and improves gear ring 20 fixed stability and reliability.Moreover, fixing piece 30 is rigid member, stress and deformation is small, and gear ring 20 can be effectively reduced It shakes, to reduce the running noises of drive axle 100, improves the stability of vehicle operation.

Referring to Fig. 1-Fig. 5 with a specific embodiment detailed description according to the drive axle of the utility model embodiment 100.It is worth understanding, it is described below to be merely illustrative, rather than to the concrete restriction of the utility model.

As shown in Figure 1, drive axle 100 includes: axle housing 10, gear ring 20, fixing piece 30 and circlip 40.

Wherein, it is set in axle housing 10 there are two retarder, each retarder is correspondingly arranged on a gear ring 20.As shown in figure 5, Two gear rings 20 in axle housing 10 are in axial direction spaced setting.Axle housing 10 includes axle housing periphery wall 110 and axle housing side wall 120, Axle housing side wall 120 is connect with axle housing periphery wall 110, and along direction from left to right, axle housing side wall 120 is tilted towards radially inner side Extend.

As shown in figure 5, the internal perisporium of axle housing side wall 120 is equipped with the first positioning hole 130 that axial direction extends, it is located at the right side The gear ring 20 of side be equipped with axially through second location hole 220, first positioning hole 130 left side opening with second location hole 220 Right openings it is axially opposing to construct fixation hole, fixing piece 30 passes through corresponding fixation hole so that gear ring 20 is fixed on axle housing On 10 internal perisporium.

As shown in Fig. 1-Fig. 3 and Fig. 5, the internal perisporium in the close left side of the axle housing periphery wall 110 of axle housing 10 is equipped with axial The first positioning hole 130 that direction extends, the periphery wall of left side gear ring 20 are equipped with second positioning opposite with first positioning hole 130 Hole 220.The cross section of first positioning hole 130 and second location hole 220 is all configured as semicircle, first positioning hole 130 and The opening of two location holes 220 is opposite to construct cylindrical fixation hole.

As shown in Figure 1 and Figure 4, first positioning hole 130 and second location hole 220 be along 10 circumferential direction of axle housing it is uniform between Every the multiple of setting, multiple first positioning holes 130 and multiple second location holes 220 are corresponded to construct multiple fixation holes.

Fixing piece 30 is rigid member, and a fixing piece 30 is provided in each fixation hole, and fixing piece 30 is configured to and consolidates Determine the compatible cylinder in hole.The outer diameter of fixing piece 30 is greater than the inner wall of fixation hole, so that fixing piece 30 is in interference fit with fixation In hole.

As depicted in figs. 1 and 2, at the open ports of axle housing 10 be equipped with annular card slot 112, annular card slot 112 with it is multiple First positioning hole 130 is connected to, and circlip 40 is set in card slot 112, and circlip 40 and the left side of gear ring 20 are only supported, to gear ring 20 It is moved to the left.

As shown in Figures 2 and 3, the internal perisporium of axle housing 10 is equipped with the lug boss 111 of annular to be configured to the shaft shoulder, the shaft shoulder and tooth The right side of circle 20 is only supported, and is moved right to avoid gear ring 20.

It should be noted that in conjunction with shown in Fig. 1-Fig. 4, can show gear ring 20 being placed in axle housing when assembling gear ring 20 In 10, the right side of gear ring 20 is made to offset with the shaft shoulder, and makes multiple first positioning holes 130 and multiple second location holes 220 one by one Relatively, to construct multiple fixation holes.

Then, multiple fixing pieces 30 are inserted into corresponding fixation hole, make multiple fixing pieces 30 one by one in interference fit with more In a fixation hole.Then, circlip 40 is placed in card slot 112, make circlip 40 and gear ring 20 left side and multiple fixations The left side of part 30 offsets.

As a result, by the way that first positioning hole 130 is arranged on the internal perisporium of axle housing 10, second location hole is set on gear ring 20 220, and in the fixation hole for utilizing fixing piece 30 to go out in interference fit with first positioning hole 130 and 220 jointly constructs of second location hole, Structure is simple, convenient for the fixing assembling of gear ring 20, and improves gear ring 20 fixed stability and reliability.Moreover, fixing piece 30 be rigid member, and stress and deformation is small, and the shaking of gear ring 20 can be effectively reduced, so that the running noises of drive axle 100 are reduced, Improve the stability of the operation of drive axle 100.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (10)

1. a kind of drive axle characterized by comprising

The internal perisporium of axle housing, the axle housing is equipped with first positioning hole；

Gear ring, the gear ring are located in the axle housing, the gear ring be equipped with second location hole, the first positioning hole with it is described Second location hole jointly constructs go out fixation hole；

Fixing piece, the fixing piece are rigid member, and the fixing piece and the fixation hole are interference fitted.

2. drive axle according to claim 1, which is characterized in that the second location hole is set to the periphery wall of the gear ring On, and the second location hole penetrates through the gear ring along the axial direction of the gear ring.

3. drive axle according to claim 2, which is characterized in that the cross of the first positioning hole and the second location hole Section is all configured as semicircle or polygon.

4. drive axle according to claim 1, which is characterized in that the axle housing includes axle housing periphery wall and axle housing side wall, The axle housing side wall is connect with the axle housing periphery wall, along close to the axle housing periphery wall to the side of the separate axle housing periphery wall Upwards, the axle housing side wall tilts towards radially inner side and extends, and the first positioning hole is set on the inner wall of the axle housing side wall, The second location hole is in axial direction oppositely arranged with the first positioning hole.

5. drive axle according to claim 1, which is characterized in that be equipped with lug boss in the axle housing, the gear ring it is remote End face from axle housing open ports side is only supported with the lug boss.

6. drive axle according to claim 5, which is characterized in that further include: the internal perisporium of circlip, the axle housing is equipped with Card slot, the circlip are set in the card slot, and the circlip only offsets to end face with the gear ring, and the end face of only supporting is institute State the end face of the open ports side close to the axle housing of gear ring.

7. drive axle according to claim 6, which is characterized in that the end of the circlip and the fixing piece is at least partly It offsets.

8. drive axle according to claim 1, which is characterized in that the first positioning hole and the second location hole are Spaced multiple along the circumferential direction of the gear ring, multiple first positioning holes and multiple second location holes are one by one It is correspondingly arranged.

9. drive axle according to claim 8, which is characterized in that circumferential direction of multiple first positioning holes along the axle housing The setting of direction uniform intervals.

10. a kind of vehicle characterized by comprising drive axle, the drive axle is according to any one of claim 1-9 institute The drive axle stated.