CN214838309U - Speed reducer rear cover assembly - Google Patents
Speed reducer rear cover assembly Download PDFInfo
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- CN214838309U CN214838309U CN202121264998.8U CN202121264998U CN214838309U CN 214838309 U CN214838309 U CN 214838309U CN 202121264998 U CN202121264998 U CN 202121264998U CN 214838309 U CN214838309 U CN 214838309U
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- cover assembly
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Abstract
The utility model provides a lid assembly behind reduction gear, including back lid, axle sleeve and sleeve holder, and back lid, axle sleeve and sleeve holder three integrated into one piece, it has first connecting portion to cover the shaping in the back, and it is used for and is connected with retarder casing, and the shaping has the second connecting portion on sleeve holder, and it is used for and vehicle body connection. Lid assembly behind reduction gear, through making back lid, half axle sleeve and sleeve support integrated into one piece, can cancel the assembly process that adopts bolted connection to assembly operation flow in the middle of reducing, practice thrift man-hour, still can reduce workman's work, reduce the operating cost, in addition, still can reduce assembly error, promote the installation accuracy and the dimensional tolerance of reduction gear assembly, thereby promote holistic NVH performance, in addition, still can reduce the whole weight and the cost of reduction gear assembly, thereby promote the fuel economy of whole car.
Description
Technical Field
The utility model relates to a reduction gear technical field for the vehicle, in particular to lid assembly behind reduction gear.
Background
With the development of the automobile industry, people pay more and more attention to the quality of automobiles, when purchasing automobiles, the influence of the fuel economy of the automobiles on the purchasing intention of people is larger and larger, the oil consumption is smaller, and the purchasing desire of customers is larger.
In the existing four-wheel drive vehicle, a front speed reducer assembly mainly comprises a main speed reducer, a half-shaft sleeve, a sleeve support and a main speed reducing support, wherein the half-shaft sleeve is assembled with the main speed reducer through a bolt, the sleeve support is assembled on the half-shaft sleeve through a bolt, and the main speed reducing support is assembled on the main speed reducer through a bolt.
As the front reducer assembly of structure, the assembly process needs to occupy the manual work to need to reserve sleeve support, main assembly process and the time that subtracts support and semi-axis sleeve in the assembly process, in addition, the frock clamp that the assembly needs also can account for very big partial cost input, owing to adopt a large amount of bolted connection, can make the holistic assembly tolerance increase of front reducer assembly moreover, the vibration volume increase when whole car traveles, can influence the NVH performance of whole car.
The front retarder assembly is typically mounted to the second and third longitudinal rails of the frame using a three-point support. In order to meet the requirements of strength and installation distance with a frame longitudinal beam, a thick sleeve bracket installation seat needs to be cast on a half shaft sleeve, and the sleeve bracket is generally long. This increases the material input, which results in an increase in the overall cost and weight of the vehicle, and a corresponding increase in fuel consumption.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a rear cover assembly of a speed reducer, so as to provide a better application effect.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a lid assembly behind reduction gear, includes back lid, semi-axis sleeve and sleeve holder, wherein: the rear cover, the half-shaft sleeve and the sleeve bracket are integrally formed; the rear cover is provided with a first connecting part used for being connected with the shell of the speed reducer; and the sleeve support is provided with a second connecting part for connecting with a vehicle body.
Furthermore, an accommodating cavity with an opening is formed on the rear cover; the first connection part comprises a plurality of first connection holes; a plurality of the first connection holes are arranged around the open edge.
Furthermore, the rear cover is provided with an oil filling hole and an oil drain hole; the oil filling hole is formed in the middle of the rear cover in the height direction; the oil drain hole is arranged close to the bottom edge of the accommodating cavity.
Further, a half shaft installation cavity in the half shaft sleeve is communicated with the accommodating cavity; and a ventilation valve mounting hole communicated with the half shaft mounting cavity is formed in the half shaft sleeve.
Furthermore, one side of the rear cover is provided with a third connecting part for connecting a front bracket of the speed reducer.
Furthermore, the third connecting part is a plurality of third connecting holes formed in the rear cover.
Furthermore, a first reinforcing rib is formed on the outer wall of the semi-axis sleeve, one end of the first reinforcing rib extends to the opening of the rear cover and is connected with the rear cover, and the other end of the first reinforcing rib extends to one end, far away from the rear cover, of the semi-axis sleeve along the axial direction of the semi-axis sleeve; and/or a second reinforcing rib for connecting the half shaft sleeve and the rear cover is formed at the connecting part of the half shaft sleeve and the rear cover.
Further, the sleeve holder includes a support body and a connection body; one end of the supporting main body is connected with the half shaft sleeve; the connecting body is connected to the other end of the supporting body; the second connecting part is a second connecting hole arranged on the connecting main body.
Further, the support body comprises a support plate in a "V" shape; the connecting body comprises a connecting plate connected with the supporting plate; the second connecting hole is located on the connecting plate.
Furthermore, a third reinforcing rib is formed on the supporting plate.
Compared with the prior art, the utility model discloses following advantage has:
(1) lid assembly behind reduction gear, through making back lid, half axle sleeve and sleeve support integrated into one piece, can cancel the assembly process that adopts bolted connection to assembly operation flow in the middle of reducing, practice thrift man-hour, still can reduce workman's work, reduce the operating cost, in addition, still can reduce assembly error, promote the installation accuracy and the dimensional tolerance of reduction gear assembly, thereby promote holistic NVH performance, in addition, still can reduce the whole weight and the cost of reduction gear assembly, thereby promote the fuel economy of whole car.
(2) The first reinforcing rib is formed on the outer wall of the half shaft sleeve, and/or the second reinforcing rib is formed and connected with the connecting part of the half shaft sleeve and the rear cover, so that the structural strength of the rear cover assembly of the speed reducer can be improved, and the torsion resistance of the rear cover assembly of the speed reducer is improved.
(3) With the breather valve mounting hole shaping in the top of a half axle sleeve, the breather valve mounting hole department can't be got rid of to lubricating oil in the reduction gear casing to can solve the condition that lubricating oil oozes under high-speed or the limit operating mode, and then prolong the life of reduction gear, promote customer's satisfaction.
(4) The sleeve support comprises a V-shaped support plate, the weight is light, the structural strength is high, and the reinforcing ribs are arranged on the support plate, so that the structural strength of the sleeve support can be further increased, and the service life of parts is prolonged; in addition, the V-shaped support plate can make the electrophoretic coating more comprehensive and uniform; in addition, the second connecting portion adopts a second connecting hole, and the second connecting portion can be used for being connected with a vehicle body and can also be used as a tool hole for hoisting and transporting parts, so that the use is more convenient.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural diagram of a rear cover assembly of a speed reducer according to an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a bottom view of FIG. 1;
FIG. 4 is a schematic view of a portion of the structure of FIG. 3;
FIG. 5 is a rear view of FIG. 1;
FIG. 6 is a right side view of FIG. 1;
fig. 7 is a schematic structural diagram of a rear cover assembly of a speed reducer according to an embodiment of the present invention in an application state.
Description of reference numerals:
1. a rear cover; 2. a half-shaft sleeve; 3. a sleeve holder; 4. a reducer front bracket; 5. a reducer housing; 6. a rear bracket of the reducer;
101. an accommodating chamber; 102. a first connection portion; 103. an oil filling hole; 104. an oil drain hole;
201. a vent valve mounting hole; 202. a first reinforcing rib; 203. a second reinforcing rib;
301. a support body; 3011. a third reinforcing rib; 302. a connecting body; 3021. a second connecting portion.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless expressly limited otherwise. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The embodiment relates to a speed reducer rear cover assembly, as shown in fig. 1 to 3, the speed reducer rear cover assembly mainly comprises a rear cover 1, a half shaft sleeve 2 and a sleeve support 3 in an integral structure, wherein the rear cover 1, the half shaft sleeve 2 and the sleeve support 3 are integrally formed; the rear cover 1 is provided with a first connection portion 102 for connection with the reduction gear case 5, and the sleeve bracket 3 is provided with a second connection portion 3021 for connection with a vehicle body.
Based on the above overall structural description, and in order to facilitate better understanding of the speed reducer back cover assembly of the present embodiment, the structure of the back cover 1 will be briefly described below with reference to fig. 1, 2, 5, and 6. The whole of back lid 1 roughly is the basin form, is formed with in back lid 1 and has open chamber 101 that holds, and aforementioned first connecting portion 102 includes a plurality of first connecting holes, and a plurality of first connecting holes encircle open edge and arrange to can be connected with reduction gear housing 5 like the bolt through the first connecting piece of wearing to arrange in each first connecting hole.
Referring to fig. 5, a filler hole 103 is formed in the rear cover 1, and the filler hole 103 is specifically formed in the middle of the rear cover 1 in the height direction, and the filler hole 103 is disposed close to the other side of the rear cover 1 with respect to the side connected to the half sleeve 2. So set up, mainly make oil filler hole 103 keep away from the by tooth arrangement in reduction gear casing 5 to prevent that lubricating oil from directly impacting the oil filler hole 103 and arousing that the fluid spills over. In addition, an oil drain hole 104 is formed in the rear cover 1, and the oil drain hole 104 is disposed near the bottom edge of the accommodating cavity 101.
Next, referring to fig. 2, 3, 5 and 6, the structure of the half shaft sleeve 2 will be described, a half shaft mounting cavity communicating with the accommodating cavity 101 is formed in the half shaft sleeve 2, and the detailed structure of the half shaft sleeve 2 can refer to the conventional structure, and the present embodiment will not be described in detail. The main improvement of this embodiment is that the half-shaft sleeve 2 and the aforementioned rear cover 1 are integrally formed.
In the present embodiment, the half axle sleeve 2 is provided with a vent valve mounting hole 201, and as a preferable feasible embodiment, the vent valve mounting hole 201 is provided at the top of the half axle sleeve 2, specifically, an external convex portion is formed at the top of the half axle sleeve 2, and the vent valve mounting hole 201 is preferably a threaded hole formed in the external convex portion, which is communicated with the half axle mounting cavity and is used for mounting the existing vent valve. So set up, the lubricating oil in the reduction gear casing 5 can't get rid of breather valve mounting hole 201 department to can solve the condition that lubricating oil oozes under high-speed or the limit condition, and then prolong the life of reduction gear, promote customer's satisfaction.
Still referring to fig. 2, the outer wall of the half shaft sleeve 2 is formed with the first reinforcing rib 202, in this embodiment, the first reinforcing rib 202 is specifically formed at the top of the half shaft sleeve 2, and the first reinforcing rib 202 extends along the length direction of the half shaft sleeve 2, and the length of the first reinforcing rib is close to the length of the half shaft sleeve 2, so that the structural strength of the half shaft sleeve 2 can be better improved.
As a preferable possible embodiment, the first reinforcing rib 202 extends to the rear cover 1, specifically to the opening of the rear cover 1, and is connected with the rear cover 1, so as to improve the connection reliability of the half-axle sleeve 2 and the rear cover 1, and the other end of the first reinforcing rib 1 extends to the end of the half-axle sleeve 2 far away from the rear cover 1 along the axial direction of the half-axle sleeve 2, so as to better improve the structural strength of the half-axle sleeve 2.
In addition, the connecting portion of the half shaft sleeve 2 and the rear cover 1 is formed with two second reinforcing ribs 203 for connecting the two, as shown in fig. 2 and fig. 3, in this embodiment, the number of the second reinforcing ribs 203 is two, one second reinforcing rib 203 is located at the rear side of the half shaft sleeve 2, and the other second reinforcing rib 203 is located at the front lower side of the half shaft sleeve 2, so as to improve the connecting strength of the half shaft sleeve 2 and the rear cover 1, thereby increasing the strength and the bearing capacity of the half shaft sleeve 2.
It should be noted that, in the above structure, the first reinforcing rib 202 and the second reinforcing rib 203 are provided at the same time, so that the structural strength of the rear cover assembly of the speed reducer can be improved, and the torsion resistance of the rear cover assembly of the speed reducer can be improved. Besides, it is of course also possible to provide only the first reinforcing bead 202, or only the second reinforcing bead 203.
A third connecting portion is provided on the other side of the rear cover 1 with respect to one side of the connecting semi-axis sleeve 2, and in the present embodiment, the third connecting portion is preferably a plurality of third connecting holes not shown in the figure. As shown in fig. 7, the front bracket 4 of the speed reducer is connected to a third connecting portion, which can be fixed to the rear cover 1 using a third connecting member such as a bolt.
Referring to fig. 3 and 4, the sleeve holder 3 is integrally formed with the half shaft sleeve 2 and the rear cover 1, and the sleeve holder 3 is disposed close to the other end of the half shaft sleeve 2 with respect to the end to which the rear cover 1 is attached. As shown in fig. 6, the sleeve holder 3 is located at the front of the half axle sleeve 2 and at the middle of the half axle sleeve 2 in the height direction.
In a specific structure, the sleeve support 3 mainly comprises a support main body 301 and a connecting main body 302, wherein the support main body 301 comprises a V-shaped support plate, and one end of the support plate, which is provided with an opening, is connected with the half-shaft sleeve 2; the connecting body 302 comprises a connecting plate connected to the support plate and located at the other end of the support plate with respect to the end of the connecting half-shaft sleeve 2. So set up, on the basis that the material is less, weight is lighter, structural strength is higher to have higher bearing capacity.
As a preferred feasible implementation scheme, a second connecting hole is formed in the middle of the connecting plate, so that the connecting plate is in a circular ring shape, and in such a configuration, the second connecting hole forms a second connecting portion 3021 arranged on the sleeve support 3, which not only facilitates installation of the shaft sleeve and connection with a vehicle body, but also can be used as a tool hole for hoisting and transporting parts, and is more convenient to use.
In order to improve the structural strength of the sleeve holder 3, a third reinforcement rib 3011 is formed on the support plate, and as a preferred possible embodiment, the third reinforcement rib 3011 is in a "V" shape, so as to improve the structural strength of the sleeve holder 3 and prolong the service life of the sleeve holder.
In the above structure, the length of the sleeve holder 3 is preferably 30 to 35mm, the thickness of the supporting plate is preferably 8 to 12mm, such as 10mm, and the width of one side is preferably 8 to 12mm, such as 10mm, and the thickness of the connecting plate is the same as that of the supporting plate. The thickness of the third reinforcement 3011 is preferably 1.5-2.5mm, such as it may be 2mm, and the width is preferably 4-6mm, such as it may be 5mm, so as to better increase the structural strength of the sleeve holder 3 on the basis of less material and light weight.
As shown in fig. 7, it is the structure schematic diagram of assembly of the rear cover assembly of the speed reducer and the speed reducer casing 5, the front support 4 of the speed reducer is fixedly connected to one side of the rear cover 1 far away from the half-shaft sleeve 2, and the rear support 6 of the speed reducer is integrally formed on the speed reducer casing 5, so that the speed reducer assembly can be fixedly connected to the vehicle body through the sleeve support 3, the front support 4 of the speed reducer and the rear support 6 of the speed reducer.
Lid assembly behind reduction gear of this embodiment, through making back lid 1, half axle sleeve 2 and sleeve support 3 adopt casting process integrated into one piece, can eliminate the assembly process that adopts bolted connection, thereby reduce middle assembly operation flow, practice thrift man-hour, still can reduce workman's work, reduce the operating cost, moreover, still can reduce assembly error, promote the installation accuracy and the dimensional tolerance of reduction gear assembly, thereby promote holistic NVH performance, in addition, still can reduce the whole weight and the cost of reduction gear assembly, thereby promote the fuel economy of whole car.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a lid assembly behind reduction gear which characterized in that, covers (1), semi-axis sleeve (2) and sleeve holder (3) after including, wherein:
the rear cover (1), the half-shaft sleeve (2) and the sleeve support (3) are integrally formed;
the rear cover (1) is provided with a first connecting part (102) for connecting with the reducer shell (5);
and a second connecting part (3021) for connecting with a vehicle body is arranged on the sleeve support (3).
2. The retarder back cover assembly of claim 1, wherein:
an accommodating cavity (101) with an opening is formed on the rear cover (1);
the first connection portion (102) comprises a plurality of first connection holes;
a plurality of the first connection holes are arranged around the open edge.
3. The retarder back cover assembly of claim 2, wherein:
the rear cover (1) is provided with an oil filling hole (103) and an oil drain hole (104);
the oil filling hole (103) is formed in the middle of the rear cover (1) in the height direction;
the oil drain hole (104) is arranged close to the bottom edge of the accommodating cavity (101).
4. The retarder back cover assembly of claim 2, wherein:
a half shaft mounting cavity in the half shaft sleeve (2) is communicated with the accommodating cavity (101);
and a ventilation valve mounting hole (201) communicated with the half shaft mounting cavity is formed in the half shaft sleeve (2).
5. The retarder back cover assembly of claim 1, wherein:
and a third connecting part for connecting a front bracket (4) of the speed reducer is arranged on one side of the rear cover (1).
6. The retarder back cover assembly of claim 5, wherein:
the third connecting parts are a plurality of third connecting holes formed in the rear cover (1).
7. The retarder back cover assembly of claim 1, wherein:
a first reinforcing rib (202) is formed on the outer wall of the semi-axis sleeve (2), one end of the first reinforcing rib (202) extends to the opening of the rear cover (1) and is connected with the rear cover (1), and the other end of the first reinforcing rib extends to one end, far away from the rear cover (1), of the semi-axis sleeve (2) along the axial direction of the semi-axis sleeve (2); and/or the presence of a gas in the gas,
and a second reinforcing rib (203) for connecting the half shaft sleeve (2) and the rear cover (1) is formed at the connecting part of the half shaft sleeve and the rear cover.
8. A decelerator back cover assembly according to any one of claims 1 to 7, wherein:
the sleeve holder (3) comprises a support body (301) and a connection body (302);
one end of the supporting main body (301) is connected with the semi-shaft sleeve (2);
the connecting body (302) is connected to the other end of the supporting body (301);
the second connecting portion (3021) is a second connecting hole provided in the connecting body (302).
9. The retarder back cover assembly of claim 8, wherein:
the support body (301) comprises a support plate in the shape of a "V";
the connecting body (302) comprises a connecting plate connected with the supporting plate;
the second connecting hole is located on the connecting plate.
10. The retarder back cover assembly of claim 9, wherein:
and a third reinforcing rib (3011) is formed on the supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121264998.8U CN214838309U (en) | 2021-06-07 | 2021-06-07 | Speed reducer rear cover assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121264998.8U CN214838309U (en) | 2021-06-07 | 2021-06-07 | Speed reducer rear cover assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214838309U true CN214838309U (en) | 2021-11-23 |
Family
ID=78801622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121264998.8U Active CN214838309U (en) | 2021-06-07 | 2021-06-07 | Speed reducer rear cover assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214838309U (en) |
-
2021
- 2021-06-07 CN CN202121264998.8U patent/CN214838309U/en active Active
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