CN218582203U - Gearbox shell and gearbox assembly - Google Patents
Gearbox shell and gearbox assembly Download PDFInfo
- Publication number
- CN218582203U CN218582203U CN202222821711.8U CN202222821711U CN218582203U CN 218582203 U CN218582203 U CN 218582203U CN 202222821711 U CN202222821711 U CN 202222821711U CN 218582203 U CN218582203 U CN 218582203U
- Authority
- CN
- China
- Prior art keywords
- hole
- gearbox
- moving shaft
- opening direction
- vent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model provides a gearbox shell, this gearbox shell include the shell main part, the hole is dodged to the removal axle that is equipped with the cavity that is used for holding gearbox part in the shell main part and is used for holding the removal axle, the opening direction of cavity with the removal axle is kept away the opening direction in hole inconsistent, the cavity bottom be equipped with remove the axle and keep away the air vent of hole intercommunication, the opening direction of air vent with the opening direction of cavity is unanimous. The gearbox assembly comprises the gearbox shell. The utility model provides a gearbox housing has solved and has lacked one kind and guaranteed promptly to remove the axle and dodge the hole and communicate with external ventilation among the prior art, the gearbox housing's that manufacturing cost is low again problem.
Description
Technical Field
The utility model relates to an auto parts technical field, in particular to gearbox shell and gearbox assembly.
Background
The gearbox shell is one of key parts of an automobile gearbox assembly and is used for bearing relevant gearbox parts, so that the gearbox can realize corresponding functions. The moving shaft in the gearbox assembly is a part which is arranged in the moving shaft avoiding hole of the gearbox shell and can axially move along the moving shaft avoiding hole, and the fact that the moving shaft moves smoothly without clamping stagnation is an important ring for achieving the gearbox gear shifting function.
In the gearbox shell, the movable shaft avoiding hole is usually internally provided with a vent groove, so that the movable shaft can move smoothly without being blocked in the movable shaft avoiding hole. The gearbox housing is usually manufactured by adopting a casting process, and after the gearbox housing is cast, a mold body for forming the cavity in the cavity needs to be pulled out along an opening of the cavity. In conventional gearbox shell, the moving shaft avoiding hole is usually formed in the bottom of a cavity of the gearbox shell, and the opening direction of the moving shaft avoiding hole is consistent with that of the cavity, so that a vent groove in the moving shaft avoiding hole can be cast and formed together with the cavity, and only the front end of a die body needs to be partially lengthened. The specific structure is shown in fig. 2.
However, when the structure of the transmission case changes due to design requirements and the opening direction of the moving shaft avoiding hole is not consistent with the opening direction of the cavity, the cavity and the vent groove cannot be cast together, and at this time, the moving shaft avoiding hole and the vent groove need to be machined by a machine tool in an additional machining manner; this undoubtedly increases the production costs of the gearbox housing.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing a gearbox shell aims at solving the problem that lacks one kind and guarantees promptly that the removal axle dodges the hole and ventilates the intercommunication with the external world, gearbox shell that manufacturing cost is low again among the prior art.
The utility model provides a gearbox housing, including the shell main part, be equipped with the removal axle that is used for the cavity of holding gearbox part and is used for holding the removal axle in the shell main part and dodge the hole, the opening direction of cavity with the removal axle is kept away the opening direction in hole inconsistent, the cavity bottom be equipped with remove the axle and keep away the air vent of hole intercommunication, the opening direction of air vent with the opening direction of cavity is unanimous.
Above-mentioned gearbox housing sets up the air vent that dodges the hole intercommunication with the removal axle through the cavity bottom at gearbox housing for the air vent plays the effect of air channel, lets the removal axle dodge the hole and communicate with external ventilation, thereby is convenient for remove the axle and dodges the smooth-going not jamming removal in the hole at the removal axle. Because the opening direction of the vent hole is consistent with that of the cavity, the vent hole can be cast and formed together with the cavity, additional machining through a machine tool is not needed, and the production cost of the gearbox shell is greatly saved. Consequently the utility model discloses technical scheme has solved and has lacked one kind and guaranteed promptly to remove the axle and dodge the hole and communicate with external ventilation among the prior art, the problem of gearbox housing that manufacturing cost is low again.
In addition, according to the utility model provides a gearbox housing can also have following additional technical characterstic:
preferably, the opening direction of the chamber is perpendicular to the opening direction of the moving shaft avoidance hole.
Preferably, the vent hole is disposed at a side close to the bottom of the moving shaft avoiding hole.
Preferably, the vent hole is located 1 to 2 mm deeper than the axial direction of the moving shaft avoiding hole, so that the vent hole penetrates through the side wall and a part of the bottom of the moving shaft avoiding hole.
Preferably, the diameter of the vent hole is 4 to 5 mm.
Preferably, the vent hole is a tapered hole, and the vent hole is close to the aperture of the moving shaft avoiding hole side to the aperture of the other side.
Preferably, the moving shaft is sleeved with a bushing, and the moving shaft avoiding hole is a step hole; the diameter of the top hole of the stepped hole is matched with that of the bushing, and the diameter of the bottom hole of the stepped hole is located between the outer diameter of the bushing and the diameter of the movable shaft.
In addition, the utility model also provides a gearbox assembly, the gearbox assembly includes gearbox parts such as removal axle, bush, still includes foretell gearbox shell, the bush cover is established on the removal axle, along with the removal axle is arranged in the step hole; the gearbox parts are all arranged in the gearbox shell to jointly form the gearbox assembly.
Drawings
Fig. 1 is a schematic structural diagram of a transmission housing according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of a prior art transmission housing;
description of the main element symbols:
| shell |
10 | |
11 |
| Moving |
12 | |
13 |
| |
20 | Bush | 30 |
| |
40 |
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a transmission housing according to an embodiment of the present invention is shown, which includes a housing main body 10, wherein:
be equipped with on the shell main part 10 and be used for holding the chamber 11 of gearbox part and be used for holding the removal axle of removing axle 20 and dodge hole 12, the opening direction of chamber 11 is inconsistent with the opening direction that removes axle and dodge hole 12, and chamber 11 bottom is equipped with the air vent 13 that dodges hole 12 intercommunication with the removal axle, and the opening direction of air vent 13 is unanimous with the opening direction of chamber 11.
It can be understood that, through set up the air vent 13 that dodges hole 12 and communicate with the removal axle in transmission housing's cavity 11 bottom for air vent 13 plays the effect of air channel 40, lets the removal axle dodge hole 12 and external intercommunication of ventilating, thereby is convenient for remove axle 20 and moves the smooth-going not jamming removal in the removal axle dodges hole 12. Because the opening direction of the vent hole 13 is consistent with that of the cavity 11, the vent hole 13 can be cast and formed together with the cavity 11, additional machining through a machine tool is not needed, and the production cost of the gearbox shell is greatly saved. Consequently the utility model discloses technical scheme has solved and has lacked one kind and guaranteed promptly to remove the axle and dodge hole 12 and the external intercommunication of ventilating among the prior art, the problem of gearbox housing that manufacturing cost is low again.
Specifically, the opening direction of the chamber 11 is perpendicular to the opening direction of the moving-axis avoiding hole 12. The vertical design of the two is convenient for the casting and forming of the vent hole 13, and the axial depth of the vent hole 13 does not need to be adjusted according to the position of the vent hole 13; the vent holes 13 are positioned at any position of the bottom of the chamber 11, and the same axial depth can be communicated with the moving shaft avoiding holes 12.
By way of example and not limitation, in some alternative embodiments, the vent hole 13 is disposed on a side near the bottom of the moving-shaft avoiding hole 12. Because the vent hole 13 is formed at the bottom of the moving shaft avoiding hole 12, the structural strength of the hole wall can be ensured due to little influence on the strength of the hole wall of the moving shaft avoiding hole 12; in addition, when the cutter processes the moving shaft avoiding hole 12, the roughness near the moving shaft avoiding hole 12 cannot be influenced by 'intermittent processing' caused by the fact that the precast vent hole 13 penetrates through the structure of the moving shaft avoiding hole 12, and better product quality is achieved.
Further, the vent hole 13 is located 1 to 2 mm deeper than the axial direction of the moving shaft avoiding hole 12 so that the vent hole 13 penetrates through the side wall and a part of the bottom of the moving shaft avoiding hole 12. The vent hole 13 is arranged in such a way that the movable shaft avoiding hole 12 is processed and then is communicated with the vent hole 13; in addition, the vent hole 13 is communicated with the side surface and the bottom of the moving shaft avoiding hole 12, so that the ventilation efficiency in the moving shaft avoiding hole 12 can be effectively improved, and the moving shaft 20 can smoothly move in the moving shaft avoiding hole 12 without clamping stagnation.
Further, the diameter of the vent hole 13 is 4 to 5 mm. The diameter of the vent hole 13 is larger than 5 mm, so that too much oil in the transmission case flows into the moving shaft avoiding hole 12, the movement of the moving shaft 20 in the vent hole is influenced, and the strength of the hole wall of the moving shaft avoiding hole 12 cannot be guaranteed; the diameter of the vent hole 13 being less than 4 mm may make the movable shaft avoiding hole 12 insufficiently communicated with the outside, thereby affecting the smoothness of the movement of the movable shaft 20 in the movable shaft avoiding hole 12. The diameter of the vent hole 13 is set to 4.5 mm as the optimum choice.
By way of example and not limitation, in some alternative embodiments, the vent hole 13 is a tapered hole, and the diameter of the vent hole 13 increases from one side of the hole 12 to the other side thereof. The vent holes 13 are tapered holes, so that the air flow speed in the direction from the moving shaft avoiding hole 12 to the chamber 11 can be increased, the communication degree between the moving shaft avoiding hole and the chamber 11 can be further ensured, and the phenomenon that the movement of the moving shaft 20 in the moving shaft avoiding hole 12 is influenced by the excessive oil flowing into the chamber 11 can be prevented.
In addition, the moving shaft 20 is sleeved with a bushing 30, and the moving shaft avoiding hole 12 is a stepped hole; the diameter of the top hole of the stepped hole is matched with that of the bush 30, and the diameter of the bottom hole of the stepped hole is between the outer diameter of the bush 30 and the diameter of the movable shaft 20. The moving shaft 20 is connected to the moving shaft escape hole 12 through the bushing 30, so that abrasion between the moving shaft 20 and the moving shaft escape hole 12 can be effectively reduced.
To sum up, the utility model discloses gearbox housing in the middle of the above-mentioned embodiment sets up the air vent 13 that dodges hole 12 intercommunication with the removal axle through 11 bottoms of cavity at gearbox housing for air vent 13 plays the effect of air channel 40, lets the removal axle dodge hole 12 and the external intercommunication of ventilating, thereby is convenient for remove axle 20 and dodges the smooth-going not jamming removal in hole 12 in the removal axle. Because the opening direction of the vent hole 13 is consistent with that of the cavity 11, the vent hole 13 can be cast and formed together with the cavity 11 without additional machining through a machine tool, and the production cost of the gearbox shell is greatly saved. Consequently the utility model discloses technical scheme has solved and has lacked among the prior art one kind and guarantee promptly that the removal axle dodges hole 12 and the external intercommunication of ventilating, the problem of gearbox housing that manufacturing cost is low again.
In addition, the utility model also provides a gearbox assembly, gearbox assembly includes gearbox parts such as removal axle 20, bush 30, still includes the gearbox shell in above-mentioned embodiment, and bush 30 cover is established on removal axle 20, arranges in above-mentioned step hole along with removal axle 20; the gearbox parts are all arranged in the gearbox shell to jointly form a gearbox assembly.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. The utility model provides a gearbox shell, its characterized in that, includes the housing main body, the last chamber that is used for holding the gearbox part that is equipped with of housing main body and the removal axle that is used for holding the removal axle dodge the hole, the opening direction of chamber with the removal axle dodges the opening direction inconsistent in hole, the chamber bottom be equipped with remove the axle and dodge the air vent of hole intercommunication, the opening direction of air vent with the opening direction of chamber is unanimous.
2. The transmission housing according to claim 1, wherein an opening direction of the chamber is perpendicular to an opening direction of the moving shaft avoiding hole.
3. The transmission case of claim 1, wherein the vent hole is provided at a side near a bottom of the moving shaft avoiding hole.
4. The transmission case of claim 3, wherein the vent hole is located 1 to 2 mm deeper than an axial direction of the moving shaft avoiding hole so that the vent hole penetrates through a side wall and a partial bottom of the moving shaft avoiding hole.
5. The transmission case of claim 2, wherein the vent hole has a diameter of 4 to 5 millimeters.
6. The transmission case of claim 2, wherein the vent hole is a tapered hole, and the vent hole gradually increases from the aperture on one side to the aperture on the other side of the moving shaft avoiding hole.
7. The transmission case according to claim 6, wherein a bushing is sleeved on the moving shaft, and the moving shaft avoiding hole is a stepped hole; the hole diameter of the top hole of the stepped hole is matched with the lining, and the hole diameter of the bottom hole of the stepped hole is located between the outer diameter of the lining and the diameter of the movable shaft.
8. A gearbox assembly comprising a gearbox housing according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222821711.8U CN218582203U (en) | 2022-10-26 | 2022-10-26 | Gearbox shell and gearbox assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222821711.8U CN218582203U (en) | 2022-10-26 | 2022-10-26 | Gearbox shell and gearbox assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218582203U true CN218582203U (en) | 2023-03-07 |
Family
ID=85374460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222821711.8U Active CN218582203U (en) | 2022-10-26 | 2022-10-26 | Gearbox shell and gearbox assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218582203U (en) |
-
2022
- 2022-10-26 CN CN202222821711.8U patent/CN218582203U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218582203U (en) | Gearbox shell and gearbox assembly | |
| CN103615525B (en) | With speed changer planetary carrier and the production technology thereof of support shaft | |
| US20070154122A1 (en) | Thrust bearing arrangement | |
| US10634192B2 (en) | Tapered roller bearing and manufacturing method for tapered roller bearing | |
| CN210531407U (en) | Single-row tapered roller bearing | |
| JP2019168101A (en) | Hub member and its manufacturing method | |
| CN104551849B (en) | High-speed automatic right-angle head | |
| JP2003035317A (en) | Crown type retainer of synthetic resin and rolling bearing | |
| JP7465167B2 (en) | Method for casting article material, casting product, and method for manufacturing casting product | |
| CN206144751U (en) | Change lubricating mode's air pump | |
| JP4619055B2 (en) | Manufacturing method of member having tooth profile forming portion | |
| CN209896812U (en) | Dual-bearing generator | |
| CN211071843U (en) | Main shaft nose end structure capable of being used for deep cavity machining and main shaft | |
| CN211951214U (en) | Sealing structure of machine tool driving assembly | |
| CN208330999U (en) | The automobile deep groove ball bearing of ventilated type dust cover is set | |
| CN208358563U (en) | A kind of cooling structure and its electro spindle of electro spindle | |
| CN112846014A (en) | Forging forming process of inclined channel bell-shaped shell | |
| JP2022026492A (en) | Stiffening structure of case | |
| CN216267548U (en) | Car tuber pipe blowing mould that punches a hole | |
| CN212918384U (en) | Reaming chamfering structure outside pin hole | |
| CN218780631U (en) | Sealed thrust cylindrical roller bearing | |
| US11933410B2 (en) | Method for manufacturing a main body of a valve housing for a hydraulic control valve, and valve housing having the main body | |
| CN215000898U (en) | Greasing head for needle roller bearing with high sealing performance | |
| JP2022026493A (en) | Oil path structure of case | |
| CN206305368U (en) | For the 3D solid forging moulds of cycle arm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |