CN210770132U - Sand casting speed changer shell - Google Patents
Sand casting speed changer shell Download PDFInfo
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- CN210770132U CN210770132U CN201921576016.1U CN201921576016U CN210770132U CN 210770132 U CN210770132 U CN 210770132U CN 201921576016 U CN201921576016 U CN 201921576016U CN 210770132 U CN210770132 U CN 210770132U
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- transmission housing
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- shell
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Abstract
The application discloses sand casting derailleur housing. The sand casting transmission shell comprises a front shell, wherein reinforcing ribs and a local filling part are arranged on the inner side of the front shell, one or more reinforcing ribs are arranged at the positions of bearing holes, and the local filling part is arranged between any two bearing holes; the outer side of the rear shell is provided with a heightening circumferential surrounding reinforcing rib; the tip reservation of procapsid has the fastening bolt hole this application has solved the technical problem that the gearbox housing can't satisfy the performance of volume production die casting. Through this application, the purpose of reinforcing shell structure intensity has been realized to satisfy the experimental requirement of intensity.
Description
Technical Field
The application relates to the field of production and manufacturing, in particular to a sand casting transmission shell.
Background
The transmission casing is a casing structure for mounting transmission mechanism and its accessories.
However, due to the structural strength of the transmission housing is insufficient, the performance of the finished product is poor, the durability test effect of the whole vehicle is poor, and other related problems are easily caused.
Aiming at the problem that the transmission shell in the related art cannot meet the performance of mass production of die castings, an effective solution is not provided at present.
SUMMERY OF THE UTILITY MODEL
The main aim at of this application provides a sand casting derailleur housing to solve the problem that derailleur housing can't satisfy the performance of volume production die casting.
To achieve the foregoing objective and in accordance with one aspect of the present application, a sand cast transmission housing is provided.
The sand-cast transmission housing according to the present application includes: the inner side of the front shell is provided with reinforcing ribs and a local filling part, one or more reinforcing ribs are arranged at the positions of the bearing holes, and the local filling part is arranged between any two bearing holes; the outer side of the rear shell is provided with a heightening circumferential surrounding reinforcing rib; and a fastening bolt hole is reserved in the end part of the front shell.
Further, the bolt hole edge angle is an obtuse angle.
Further, the partial filling part is integrally formed by sand casting.
Further, the reinforcing ribs are integrally formed through sand casting.
Further, the heightening circumferential surrounding reinforcing rib is integrally formed through sand casting.
Further, one or more reinforcing ribs are arranged at the position of the central bearing hole.
Further, the partial filling part is arranged in a continuous area between any two bearing holes.
Furthermore, the heightening circumference is arranged at the position of the central bearing hole around the reinforcing rib.
Further, the front housing and the rear housing are connected through reserved fastening bolt holes.
Further, the bolt hole edge is a circular hole.
In this application embodiment sand casting gearbox housing adopts the procapsid, and its inboard is provided with strengthening rib and local portion of filling and leveling, one or more the dead eye position department is located to the strengthening rib, local portion of filling and leveling sets up in arbitrary two mode between the dead eye, through back casing, its outside is provided with and increases circumference and encircle the strengthening rib and the tip of procapsid is reserved has the fastening bolt hole, has reached the purpose of reinforcing shell structure intensity to realized satisfying the technological effect of the experimental requirement of intensity, and then solved gearbox housing and can't satisfy the technical problem of the performance of volume production die casting.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
FIG. 1 is a front housing structural schematic view of a sand cast transmission according to an embodiment of the present application;
FIG. 2 is a schematic illustration (top view) of a sand cast transmission housing construction according to an embodiment of the present application;
FIG. 3 is a schematic illustration of a sand cast transmission rear housing construction according to an embodiment of the present application;
FIG. 4 is a sand cast transmission housing structural schematic (top view) according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 4, the sand-cast transmission case in the embodiment of the present application includes: a front housing, the inner side of which is provided with reinforcing ribs 20 and a local filling part 30, one or more reinforcing ribs 20 are arranged at the position of a bearing hole, and the local filling part 30 is arranged between any two bearing holes; a rear shell, the outer side of which is provided with a heightening circumferential surrounding reinforcing rib 40; the end of the front housing is reserved with a fastening bolt hole 10. In the embodiment of the present application, the front housing and the rear housing are fixed by the fixing members reserved with the fastening bolt holes 10. The procapsid inboard is provided with strengthening rib 20, one or more strengthening rib 20 locates the dead eye position department, the dead eye wears to locate procapsid and back casing. The structural strength of the sand cast transmission housing is increased by providing one or more ribs 20. The local filling and flattening part 30 is arranged between any two bearing holes and can comprise a plurality of bearing holes, so that the deformation degree of a shell material can be reduced, the shell stress is reduced, and the structural strength is improved. Further, a heightened circumferential surrounding bead 40 is provided on the outer side of the rear case, and the structural strength can be increased on the rear case by increasing the number of the heightened circumferential surrounding beads 40.
From the above description, it can be seen that the following technical effects are achieved by the present application:
in this application embodiment, adopt the procapsid, its inboard is provided with strengthening rib and local portion of filling and leveling, one or more the dead eye position department is located to the strengthening rib, local portion of filling and leveling sets up in arbitrary two mode between the dead eye, through the back casing, its outside is provided with and increases circumference and encircle the strengthening rib and the tip of procapsid is reserved has the fastening bolt hole, has reached the purpose that strengthens shell structure intensity to realized satisfying the technological effect of strength test requirement, and then solved the technical problem that the performance of volume production die casting can't be satisfied to the derailleur casing.
According to the embodiment of the present application, as shown in fig. 2, the corner of the bolt hole 10 is preferably an obtuse angle. The obtuse design is more in accordance with engineering principles, so that the fastening bolt hole 10 is more stable.
According to the embodiment of the present application, as a preferable feature of the embodiment, as shown in fig. 1, the partial flat portions 30 are integrally formed by sand casting. The local filling and leveling part 30 is integrally formed by sand casting, so that sand casting is facilitated.
According to the embodiment of the present application, as a preferable feature of the embodiment, as shown in fig. 1, the reinforcing ribs 20 are integrally formed by sand casting. The reinforcing ribs 20 are integrally formed by sand casting, so that sand casting is facilitated.
According to the embodiment of the present application, as shown in fig. 3 and 4, the raised circumferential encircling reinforcing rib 40 is preferably formed integrally by sand casting. The performance of the transmission shell is closer to that of mass production die castings through sand casting molding, so that the transmission shell is suitable for sample pieces in a B sample stage.
According to the embodiment of the present application, as shown in fig. 3 and 4, one or more reinforcing ribs 20 are preferably provided at the position of the central bearing hole.
According to the embodiment of the present application, as shown in fig. 1 and 2, the local flush part 30 is preferably provided in a continuous area between any two of the bearing holes. The local filling and flattening part 30 is arranged in a continuous area between any two bearing holes, so that the deformation degree of the shell material can be reduced, and the shell stress can be reduced.
According to the embodiment of the present application, as shown in fig. 4, the raised circumferential reinforcing rib 40 is preferably provided at the position of the central bearing hole. Structural strength can be added to the rear housing by increasing the number of raised circumferentially surrounding ribs 40 at the center bearing hole location.
According to the embodiment of the present application, as a preference in the embodiment, as shown in fig. 2, the front case and the rear case are connected by means of reserved fastening bolt holes.
According to the embodiment of the present application, as shown in fig. 2, the corner of the bolt hole 10 is preferably a circular hole. The design of the circular holes is more in accordance with the principle of engineering, so that the fastening bolt holes 10 are more stable and have smooth lines.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A sand cast transmission housing, comprising:
the inner side of the front shell is provided with reinforcing ribs and a local filling part, one or more reinforcing ribs are arranged at the positions of the bearing holes, and the local filling part is arranged between any two bearing holes;
the outer side of the rear shell is provided with a heightening circumferential surrounding reinforcing rib;
and a fastening bolt hole is reserved in the end part of the front shell.
2. The sand cast transmission housing of claim 1, wherein the fastener bolt hole corner is an obtuse angle.
3. The sand cast transmission housing of claim 1, wherein the partial pack is integrally formed by sand casting.
4. The sand cast transmission housing of claim 1, wherein the stiffener is integrally formed by sand casting.
5. The sand cast transmission housing of claim 1 wherein the raised circumferential encircling rib is integrally formed by sand casting.
6. The sand cast transmission housing of claim 1, wherein one or more of the ribs are disposed at a central bearing bore location.
7. The sand cast transmission housing of claim 1, wherein the partial flat is disposed in a continuous area intermediate any two of the bearing bores.
8. The sand cast transmission housing of claim 1, wherein the raised circumferential stiffener is disposed at a central bearing bore location.
9. The sand cast transmission housing of claim 1, wherein the front housing and the rear housing are connected by reserved fastener bolt holes.
10. The sand cast transmission housing of claim 1, wherein the bolt hole corners are circular holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921576016.1U CN210770132U (en) | 2019-09-22 | 2019-09-22 | Sand casting speed changer shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921576016.1U CN210770132U (en) | 2019-09-22 | 2019-09-22 | Sand casting speed changer shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210770132U true CN210770132U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921576016.1U Active CN210770132U (en) | 2019-09-22 | 2019-09-22 | Sand casting speed changer shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210770132U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833822A (en) * | 2021-09-29 | 2021-12-24 | 阿姆特(上海)新能源科技有限公司 | Deformation-restrained transmission case, transmission and vehicle |
-
2019
- 2019-09-22 CN CN201921576016.1U patent/CN210770132U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833822A (en) * | 2021-09-29 | 2021-12-24 | 阿姆特(上海)新能源科技有限公司 | Deformation-restrained transmission case, transmission and vehicle |
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