CN208041093U

CN208041093U - Reducer shell

Info

Publication number: CN208041093U
Application number: CN201820224550.5U
Authority: CN
Inventors: 邓玉斌; 刘祥环; 谢权
Original assignee: Zhuzhou Gear Co Ltd
Current assignee: Zhuzhou Gear Co Ltd
Priority date: 2018-02-08
Filing date: 2018-02-08
Publication date: 2018-11-02
Anticipated expiration: 2028-02-08

Abstract

The application provides a kind of reducer shell, including first shell and second shell, first shell is equipped with input shaft bore and the first output axle shaft hole, the axis of input shaft bore and the axis in the first output axle shaft hole constitute the first median plane, second shell is equipped with intermediate shaft hole and the second output axle shaft hole, the axis of intermediate shaft hole and the axis in the second output axle shaft hole constitute the second median plane, by being arranged on the first shell about the symmetrical first suspension hole of the first median plane and being arranged on the second housing about the second median plane symmetrical second suspension hole, when so that 180 ° of rotations occurring for reducer shell, suspend the arrangement in hole still, breather plug is respectively set by the opposite sides in link surface again, it only needs to block downward breather plug when use and can meet the diversified requirement of installation direction.

Description

Reducer shell

Technical field

The utility model is related to technical field of vehicle more particularly to a kind of reducer shells.

Background technology

Retarder is one of parts important in car transmissions.Traditional retarder, shell are equipped with breather plug, Since breather plug needs straight up to ensure that the while of ventilating prevents oil leak, the mounting means of shell to be restricted, So that its installation direction is single, its application in different type car body is seriously limited.

Utility model content

Based on this, it is necessary to provide a kind of diversified reducer shell of installation direction.

A kind of reducer shell, including first shell and second shell, the first shell are equipped with input shaft bore and the The axis in one output axle shaft hole, the axis of the input shaft bore and first output axle shaft hole constitutes the first median plane, described It is equipped with about first median plane symmetrically at least the first suspension of a pair around first output axle shaft hole in first shell Hole, the second shell are equipped with intermediate shaft hole and the second output axle shaft hole, the axis of the intermediate shaft hole and described second defeated The axis for going out half axis hole constitutes the second median plane, is equipped with about described around second output axle shaft hole in the second shell Symmetrically at least a pair second suspends hole, the side wall split of the side wall of the first shell and the second shell to second median plane Link surface is formed, the opposite sides of the link surface is respectively equipped with breather plug.

It is equipped in one of the embodiments, about first center around the input shaft bore in the first shell Symmetrical at least a pair of of the motor fixing hole in face.

The first shell is equipped with around the input shaft bore in the more of concentric circles distribution in one of the embodiments, The first reinforcing rib of item and a plurality of second reinforcing rib to be radially distributed centered on the input shaft bore, the motor fixing hole It is disposed far from outermost one first reinforcing rib of the input shaft bore.

A plurality of first reinforcing rib protrudes from the thickness of the first shell to far from institute in one of the embodiments, The direction for stating input shaft bore is gradually incremented by, and a plurality of second reinforcing rib protrudes from the thickness of the first shell to far from described The direction of input shaft bore is gradually incremented by.

It is equipped in one of the embodiments, about first center around the input shaft bore in the first shell Symmetrically at least a pair of of motor location hole, the motor location hole are set to second reinforcing rib vertical with first median plane in face On.

The first shell is equipped with first boss in one of the embodiments, and first output axle shaft hole is along axis To through being arranged in the first boss, the first boss is equipped with centered on first output axle shaft hole in radiation The third reinforcing rib of shape distribution, the first shell are equipped with the 4th to be radially distributed centered on the first boss and added Strengthening tendons, the 4th reinforcing rib are connected with the one end of the third reinforcing rib far from first output axle shaft hole, and the described 4th The one end of reinforcing rib far from the first boss connects circumferentially from one another forms the 5th reinforcing rib, and first suspension hole is set to institute State the junction of the 4th reinforcing rib and the 5th reinforcing rib.

The second shell is equipped with second boss and the annular around the second boss in one of the embodiments, Platform, axially through being arranged in the second boss, second suspension hole is set to described in second output axle shaft hole On ring-shaped platform.

The second boss is equipped with centered on second output axle shaft hole in radiation in one of the embodiments, 6th reinforcing rib of shape distribution, the described one end of 6th reinforcing rib far from second output axle shaft hole connects shape circumferentially from one another At the 7th reinforcing rib, the ring-shaped platform protrudes above the second suspension hole post for being formed with and being connected with the 7th reinforcing rib, described Second suspension hole is formed in the second suspension hole post, and the second boss, which protrudes above, to be formed with and the second suspension hole post Connected support arm.

It is equipped in one of the embodiments, about second center around the intermediate shaft hole in the second shell Symmetrically at least a pair of of third suspends hole in face.

In one of the embodiments, the second shell be equipped with third boss, the intermediate shaft hole axially through It is arranged on the third boss, third boss periphery is equipped with ribs, and third suspension hole is set to the ribs On.

Above-mentioned reducer shell, by be arranged on the first shell about the first median plane it is symmetrical first suspension hole and Setting is about the second median plane symmetrical second suspension hole in second shell so that when 180 ° of rotations occur for the reducer shell, Suspend the arrangement in hole still, then by being respectively set breather plug in the opposite sides of link surface, when use only need by Downward breather plug, which is blocked, can meet the diversified requirement of installation direction.

Description of the drawings

Fig. 1 is the dimensional structure diagram of the reducer shell of an embodiment；

Fig. 2 is the side view of one angle of reducer shell in Fig. 1；

Fig. 3 is the side view of another angle of reducer shell in Fig. 1.

Specific implementation mode

The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model, It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can in many different forms come in fact It is existing, however it is not limited to embodiment described herein.Make public affairs to the utility model on the contrary, purpose of providing these embodiments is The understanding for opening content is more thorough and comprehensive.

It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein "and/or" includes Any and all combinations of one or more relevant Listed Items.

Please refer to Fig.1~3, the reducer shell 1 of an embodiment, including first shell 10 and second shell 20.

Specifically, first shell 10 and second shell 20 are fastened by bolts part and fix.

Further, the edge of first shell 10 and second shell 20 is respectively equipped with the bolt hole post (figure is not marked) of protrusion, Bolt hole be formed in protrusion bolt hole post in, can effectively improve the structural strength of bolt hole, and ensure first shell 10 with The bonding strength of second shell 20.

Referring to Fig.1~2, wherein first shell 10 is equipped with input shaft bore 12 and the first output axle shaft hole 14.

It is appreciated that the input shaft bore 12 is used to support the input shaft in retarder, the first output axle shaft hole 14 is for branch The first output axle shaft in retarder is held, since input shaft and the first output axle shaft are the conventional arrangement in existing retarder, Therefore the position relationship of input shaft bore 12 and input shaft bore 14 is repeated no more here.

Further, the axis of input shaft bore 12 and the axis in the first output axle shaft hole 14 constitute the first median plane 1214.

In the present embodiment, it is equipped with around input shaft bore 12 in first shell 10 symmetrical about the first median plane 1214 At least a pair of motor fixing hole 16.It is appreciated that above-mentioned motor fixing hole 16 is for fixing motor.

Further, first shell 10 is equipped with a plurality of first reinforcing rib in concentric circles distribution around input shaft bore 12 121 and a plurality of second reinforcing rib 122 that is radially distributed with input shaft bore 12.First reinforcing rib 121 and the second reinforcing rib 122 Setting can effectively improve the rigidity of structure of input shaft bore 12.

In the present embodiment, above-mentioned a plurality of first reinforcing rib 121 protrudes from the thickness of first shell 10 to far from input The direction of axis hole 12 is incremented by successively.Above-mentioned a plurality of second reinforcing rib 122 protrudes from the thickness of first shell 10 to far from input shaft The direction in hole 12 is incremented by successively so that the rigidity of structure of the input shaft bore 12 further strengthens, and has lighter weight.

It is appreciated that in other embodiments, above-mentioned a plurality of first reinforcing rib 121 protrudes from the thickness of first shell 10 It can also be incremented by according between the rigidity of structure and the requirement of weight times or irregular incremental.Above-mentioned a plurality of second reinforcing rib 122 protrudes It can also be incremental or irregular incremental according between the rigidity of structure and the requirement of weight times in the thickness of first shell 10.

Further, motor fixing hole 16 is arranged far from 12 outermost first reinforcing rib 121 of input shaft bore.Specifically Ground, outermost first reinforcing rib 121 have to the motor fixing hole column (figure is not marked) far from 12 direction of input shaft bore protrusion, electricity Machine mounting hole 16 is formed in the motor fixing hole column of protrusion, can effectively improve the structural strength of motor fixing hole 16, and ensure The bonding strength of motor and motor fixing hole 16.

In the present embodiment, motor fixing hole 16 has two pairs.

It is required it is appreciated that being fixed according to motor, above-mentioned motor fixing hole 16 can also be two pairs or more.Certainly, if it is electric Machine is fixed using other modes, need not be fixed with reducer shell, then above-mentioned motor fixing hole 16 can be omitted.

In the present embodiment, first shell 10 is additionally provided with symmetrical about the first median plane 1214 around input shaft bore 12 At least a pair of of motor location hole (figure is not marked), is convenient for motor location and installation.The motor location hole setting with the first median plane On 1214 the second vertical reinforcing ribs 122.

In the present embodiment, above-mentioned motor location hole is a pair.

It is appreciated that according to positioning needs, above-mentioned motor location hole can also be a pair or more.

Referring to Fig.1~2, wherein be equipped with about the first median plane around the first output axle shaft hole 14 in first shell 10 1214 symmetrical at least a pair first suspend hole 18.

Further, first shell 10 is equipped with first boss 140, and the first output axle shaft hole 14 exists axially through setting In first boss 140.

Preferably, first boss 140 is the cone boss around first output axle shaft hole 14.The cone boss is to remote It shrinks in direction from first shell 10.

First boss 140 is formed in first shell 10, avoids the occurrence of large-area planar structure, can not only effectively improve the The structural strength of one shell 10, and the structural radiation noise of shell can be effectively reduced, and then the noise of vehicle can be reduced, from And improve NVH (Noise, Vibration, Harshness- noise, vibration and sound and vibration roughness) performance of vehicle.

Further, first boss 140 is equipped with the third reinforcing rib to radially distribute with the first output axle shaft hole 14 143.First shell 10 is equipped with the 4th reinforcing rib 144 to radially distribute centered on first boss 140.4th reinforcing rib 144 are connected with the one end of third reinforcing rib 143 far from the first output axle shaft hole 14.

The one end of above-mentioned 4th reinforcing rib 144 far from first boss 140 connects circumferentially from one another forms the 5th reinforcing rib 145.The setting of above-mentioned 4th reinforcing rib 144 and the 5th reinforcing rib 145 can further improve the structure in the first output axle shaft hole 14 Intensity.

Further, the first suspension hole 18 is arranged in the junction of the 4th reinforcing rib 144 and the 5th reinforcing rib 145 so that 4th reinforcing rib 144 and the 5th reinforcing rib 145 can effectively improve the first suspension hole 18 as the reinforcing rib in the first suspension hole 18 The rigidity of structure.

Further, first shell 10, which protrudes above, is formed with the first suspension hole post (figure is not marked), and the first suspension hole 18 is formed It is suspended in hole post in first, the reinforcing rib that the 4th reinforcing rib 144 and the 5th reinforcing rib 145 can suspend hole 18 as first, then The ribs (figure is not marked) being equipped with around the first suspension hole post, the structure that can not only effectively improve the first suspension hole 18 is strong Degree, and weight can be mitigated.

In the present embodiment, above-mentioned first suspension hole 18 has two pairs.

It is appreciated that according to suspension needs, above-mentioned first suspension hole 18 can also be two pairs or more.

Referring to Figure 1 and Figure 3, wherein second shell 20 is equipped with intermediate shaft hole 22 and the second output axle shaft hole 24.

It is appreciated that the intermediate shaft hole 22 is for supporting jackshaft, the second output axle shaft hole 24 is for supporting the second output Semiaxis, since jackshaft and the second output axle shaft are the conventional arrangement in existing retarder, here to intermediate shaft hole 22 and The position relationship in two output axle shaft holes 24 also repeats no more.

Further, the axis of intermediate shaft hole 22 and the axis in the second output axle shaft hole 24 constitute the second median plane 2224.

Further, it is equipped with around the second output axle shaft hole 24 in second shell 20 symmetrical about the second median plane 2224 At least a pair second suspends hole 26.

Further, second shell 20 is equipped with second boss 240 and the ring-shaped platform 250 around second boss 240, the Two output axle shaft holes 24 are axially through setting in second boss 20.

Preferably, second boss 240 is the cone boss around the second output axle shaft hole 24.The cone boss is to far from the It shrinks in the direction of two shells.

Further, the second suspension hole 26 is arranged on ring-shaped platform 250.

Further, in second boss 240 be equipped with radially distributed centered on the second output axle shaft hole 24 the 6th Reinforcing rib 246, the one end of the 6th reinforcing rib 246 far from the second output axle shaft hole 24 connects circumferentially from one another forms the 7th reinforcing rib 247.The setting of 6th reinforcing rib 246 and the 7th reinforcing rib 247 can effectively improve the structural strength in the second output axle shaft hole 24.

Further, ring-shaped platform 250 protrudes above the second suspension hole post (figure for being formed with and being connected with the 7th reinforcing rib 247 Do not mark), the second suspension hole 26 is formed in the second suspension hole post.Second boss 240, which protrudes above, to be formed with and the second suspension hole post Connected support arm.

Second suspension hole post is connected with the 7th reinforcing rib 247 so that the 7th reinforcing rib 247 can be used as the second suspension hole post Ribs, then support arm (figure do not mark) is coordinated to use, can effectively reinforce the structural strength in the second suspension hole 26.

In order to further increase the structural strength in the second output axle shaft hole 24, it is additionally provided with and is used on above-mentioned ring-shaped platform 250 Support the ribs of the 7th reinforcing rib 247 (figure is not marked).

In the present embodiment, there is a pair in above-mentioned second suspension hole 26.

It is appreciated that being required according to suspension, above-mentioned second suspension hole 26 can also be a pair or more.

With reference to Fig. 3, wherein be equipped with around intermediate shaft hole 22 in second shell 20 symmetrical extremely about the second median plane 2224 Few a pair of third suspends hole 28.

Further, second shell 20 is equipped with third boss 220.Intermediate shaft hole 22 is convex in third axially through being arranged On platform 220.220 periphery of third boss is equipped with the ribs for supporting third boss 220 (figure is not marked).

Preferably, third boss 220 is the cylindrical boss around intermediate shaft hole 22.

Further, third suspension hole 28 is arranged in the ribs of third boss 220 so that the branch of third boss 220 Stake rib can simultaneously serve as the ribs in third suspension hole 28, in conjunction with other supports being arranged on third suspension 28 periphery of hole Rib can effectively improve the structural strength in third suspension hole 28.

Specifically, third suspension hole 28 is formed in third suspension hole post (figure is not marked), and it is outstanding can not only to effectively improve third The structural strength in hole 28 is set, and can ensure the bonding strength in third suspension hole 28 and suspension system.

In the present embodiment, there is a pair in above-mentioned third suspension hole 28.

It is appreciated that being required according to suspension, above-mentioned third suspension hole 28 can also be a pair or more.

Further, since retarder installation needs breather plug always straight up, therefore the side wall of first shell 10 and second The opposite sides for the link surface that the side wall split of shell 20 is formed is respectively equipped with breather plug 30.

Specifically, breather plug 30 is respectively equipped at the top and bottom of link surface.

When specifically used, according to different installation sites, breather plug 30 straight down need to only be blocked.

Above-mentioned reducer shell 1, it is outstanding about the first median plane 1214 symmetrical first by being arranged in first shell 10 It sets hole 18 and about the symmetrical motor fixing hole 16 of the first median plane, is arranged about the second median plane 2224 in second shell 20 Symmetrical second suspends hole 26 and suspends hole 28 about 2224 symmetrical third of the second median plane so that the reducer shell 1 is sent out When raw 180 ° of rotations, the arrangement of suspension hole and motor fixing hole still, then passes through the opposite sides in link surface It is respectively set breather plug 30, when use, which only needs to block downward breather plug 30, can meet the diversified requirement of installation direction.

In addition, by the way that first boss 140, second boss 240, ring-shaped platform 250 and third boss 220 is arranged so that The shell structure avoids large-area planar structure, can not only effectively improve the structural strength of shell, but also can effectively reduce shell The structural radiation noise of body, and then the noise of vehicle can be reduced, to improve the NVH performances of vehicle, in conjunction with various reinforcements The use of muscle and ribs effectively reduces case weight while further increasing the structural strength of shell, meets lightweight It is required that.

In addition, by the way that the reinforcing rib to radially distribute is arranged, the structural strength of shell, Er Qiebian can be not only effectively improved Draft when shell is processed and cast.

Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, it is all considered to be the range of this specification record.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims

1. a kind of reducer shell, which is characterized in that including first shell and second shell, the first shell is equipped with input Axis hole and the first output axle shaft hole, the axis of the input shaft bore and the axis in first output axle shaft hole constitute the first center Face is equipped with about first median plane symmetrically at least a pair of the around first output axle shaft hole in the first shell One suspension hole, the second shell be equipped with intermediate shaft hole and the second output axle shaft hole, the axis of the intermediate shaft hole with it is described The axis in the second output axle shaft hole constitutes the second median plane, is equipped with and closes around second output axle shaft hole in the second shell In second median plane, symmetrically at least a pair second suspends hole, the side of the side wall of the first shell and the second shell Wall split forms link surface, and the opposite sides of the link surface is respectively equipped with breather plug.

2. reducer shell according to claim 1, which is characterized in that surround the input shaft bore in the first shell Equipped with about symmetrical at least a pair of of the motor fixing hole of first median plane.

3. reducer shell according to claim 2, which is characterized in that the first shell is equipped with around the input Axis hole is in a plurality of first reinforcing rib that concentric circles is distributed and radially distributed centered on the input shaft bore a plurality of second Reinforcing rib, the motor fixing hole are disposed far from outermost one first reinforcing rib of the input shaft bore.

4. reducer shell according to claim 3, which is characterized in that a plurality of first reinforcing rib protrudes from described The thickness of one shell is gradually incremented by the direction far from the input shaft bore, and a plurality of second reinforcing rib protrudes from described first The thickness of shell is gradually incremented by the direction far from the input shaft bore.

5. reducer shell according to claim 3 or 4, which is characterized in that surround the input in the first shell Axis hole is equipped with about symmetrical at least a pair of of the motor location hole of first median plane, and the motor location hole is set to and described the On the second vertical reinforcing rib of one median plane.

6. reducer shell according to claim 1, which is characterized in that the first shell is equipped with first boss, institute The first output axle shaft hole is stated axially through being arranged in the first boss, the first boss is equipped with defeated with described first Go out the third reinforcing rib to radially distribute centered on half axis hole, the first shell is equipped with centered on the first boss The 4th reinforcing rib to radially distribute, the 4th reinforcing rib is with the third reinforcing rib far from first output axle shaft hole One end be connected, the one end of the 4th reinforcing rib far from the first boss connect circumferentially from one another formation the 5th reinforcing rib, First suspension hole is set to the junction of the 4th reinforcing rib and the 5th reinforcing rib.

7. reducer shell according to claim 1, which is characterized in that the second shell is equipped with second boss and ring Around the ring-shaped platform of the second boss, second output axle shaft hole axially through be arranged in the second boss, institute The second suspension hole is stated on the ring-shaped platform.

8. reducer shell according to claim 7, which is characterized in that the second boss is equipped with defeated with described second Go out the 6th reinforcing rib to radially distribute centered on half axis hole, the 6th reinforcing rib is far from second output axle shaft hole One end connects circumferentially from one another forms the 7th reinforcing rib, and the ring-shaped platform protrudes above to be formed with to be connected with the 7th reinforcing rib Second suspension hole post, it is described second suspension hole is formed in it is described second suspension hole post in, the second boss protrudes above to be formed There is the support arm being connected with the second suspension hole post.

9. reducer shell according to claim 1, which is characterized in that surround the intermediate shaft hole in the second shell Equipped with about second median plane, symmetrically at least a pair of of third suspends hole.

10. reducer shell according to claim 9, which is characterized in that the second shell is equipped with third boss, institute Intermediate shaft hole is stated axially through being arranged on the third boss, third boss periphery is equipped with ribs, the third Hole is suspended to be set in the ribs.