CN214450281U - Lightweight input end box body for vehicle - Google Patents
Lightweight input end box body for vehicle Download PDFInfo
- Publication number
- CN214450281U CN214450281U CN202120617789.0U CN202120617789U CN214450281U CN 214450281 U CN214450281 U CN 214450281U CN 202120617789 U CN202120617789 U CN 202120617789U CN 214450281 U CN214450281 U CN 214450281U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- outer ring
- input end
- box body
- end box
- 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.)
- Withdrawn - After Issue
Links
- 238000005266 casting Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims 1
- 239000000956 alloy Substances 0.000 description 2
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- Body Structure For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The light-weight input end box body comprises a body, an outer ring and a sleeve, wherein the body is formed by casting metal with density smaller than steel density, the sleeve is sleeved and fixed at the shaft side part of the body, the outer ring positioned on the inner side of the sleeve is arranged on the body, and the surface hardness of the sleeve and the outer ring is more than or equal to 55 HRC. The sleeve and the outer ring with the surface hardness being more than or equal to 55HRC are mounted on the body which is cast and processed by metal with the density being less than the steel density, so that the weight of the input end box body formed by the body, the sleeve and the outer ring is greatly reduced, the hardness requirement of the shaft side part of the input end box body is met, the structure is simple, the design is reasonable, the service temperature range of the input end box body is expanded, the strength of the input end box body is increased, and the light design requirement of a vehicle is met.
Description
Technical Field
The utility model relates to an input box for the vehicle, concretely relates to light weight type input box for in the vehicle.
Background
At present, because the surface hardness of steel castings is good, most input end boxes with certain requirements on the surface hardness in some vehicles are of integral structures made of the steel castings, the hardness requirement of shaft side parts of the input end boxes is more than or equal to 55HRC, the hardness requirement of the shaft side parts of the input end boxes is met by using the hardness of the steel castings, but the vehicle counterweight is correspondingly increased, the design requirement of the light weight of the vehicle is not facilitated, although the titanium alloy castings are light in weight, the hardness of the titanium alloy castings cannot meet the requirements, and therefore, in order to reduce the weight of the input end boxes and meet the hardness requirement, the input end boxes need to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem: the light-weight input end box body for the vehicle is characterized in that a sleeve and an outer ring with the surface hardness being more than or equal to 55HRC are mounted on a body which is formed by casting and processing metal with the density being less than the steel density, so that the weight of the input end box body formed by the body, the sleeve and the outer ring is greatly reduced, the hardness requirement of the shaft side part of the input end box body is met, the structure is simple, the design is reasonable, the service temperature range of the input end box body is expanded, the strength of the input end box body is increased, and the light-weight design requirement of the vehicle is met.
The utility model adopts the technical proposal that: the light-weight input end box body used in a vehicle comprises a body, an outer ring and a sleeve, wherein the body is formed by casting metal with density smaller than steel density, the sleeve is sleeved and fixed at the shaft side part of the body, the outer ring positioned on the inner side of the sleeve is arranged on the body, and the surface hardness of the sleeve and the outer ring is more than or equal to 55 HRC.
The sleeve is of a stepped annular structure, an annular groove with a semicircular cross section is formed in the outer circumferential wall of the large-diameter end of the sleeve, pin holes corresponding to the plurality of positioning circular grooves in the outer circumferential wall of the shaft side portion of the body are formed in the outer circumferential wall of the small-diameter end of the sleeve, and the sleeve in the shaft side portion of the body is fixed to the body through pins matched with the positioning circular grooves and the pin holes in an interference fit mode.
Furthermore, the pin is made of 2Cr13 material, and the outer end of the pin is not higher than the outer circumferential wall of the small diameter end of the sleeve.
Further, the outer ring is in interference fit with the end of the shaft side part at the corner of the body.
Furthermore, the sleeve and the outer ring are both made of 42CrMo alloy steel materials, and the body is formed by titanium alloy casting.
The utility model has the advantages compared with the prior art:
1. according to the technical scheme, the sleeve and the outer ring with the surface hardness of more than or equal to 55HRC are arranged on the body cast and processed by the metal with the density less than the steel density, so that the weight of the input end box body formed by the body, the sleeve and the outer ring is greatly reduced, and the hardness requirement of the shaft side part of the input end box body is met;
2. according to the technical scheme, a structure that a pin hole and a positioning circular groove are respectively arranged at the side parts of the sleeve and the body shaft is adopted, and the sleeve in interference fit with the side part of the body shaft is positioned and fixed on the body through a pin matched with the pin hole and the positioning circular groove, so that the effective reliability of the connecting structure of the sleeve on the body is ensured;
3. this technical scheme simple structure, reasonable in design adopts the body that titanium alloy material casting processing formed can effectively enlarge the service temperature range of input box, has increased the intensity of input box, accords with the lightweight design requirement of vehicle.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of the structure of the utility model;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 5 is a schematic view of the sleeve structure of the present invention;
fig. 6 is a cross-sectional view taken along line C-C of fig. 5.
Detailed Description
An embodiment of the present invention will be described in conjunction with fig. 1-6, so that the technical solution will be described clearly and completely, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, not the whole embodiment.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
A light-weight input end box body used in a vehicle comprises a body 1, an outer ring 2 and a sleeve 3, wherein the body 1 is formed by casting metal with density smaller than that of steel, the sleeve 3 is sleeved and fixed at the axial side part of the body 1, the outer ring 2 positioned at the inner side of the sleeve 3 is arranged on the body 1, and the surface hardness of the sleeve 3 and the outer ring 2 is more than or equal to 55 HRC; in the structure, the sleeve 3 and the outer ring 2 with the surface hardness of more than or equal to 55HRC are arranged on the body 1 cast and processed by metal with the density less than that of steel, so that the weight of an input end box body formed by the body 1, the sleeve 3 and the outer ring 2 is greatly reduced, and the hardness requirement of the shaft side part of the input end box body is met;
the specific structure of the sleeve 3 is shown in fig. 3-6, and the specific connection structure with the body 1 is as follows: the sleeve 3 is of a stepped annular structure, an annular groove 4 with a semicircular cross section is formed in the outer circumferential wall of the large-diameter end of the sleeve 3, pin holes 5 corresponding to the positions of a plurality of positioning circular grooves 6 in the outer circumferential wall of the axial side part of the body 1 are formed in the outer circumferential wall of the small-diameter end of the sleeve 3, and the sleeve 3 in interference fit with the axial side part of the body 1 is fixed on the body 1 through pins 7 matched with the positioning circular grooves 6 and the pin holes 5; specifically, the pin 7 is made of 2Cr13 material, and the outer end of the pin 7 is not higher than the outer circumferential wall of the small-diameter end of the sleeve 3; in the structure, the structure that the pin hole 5 and the positioning circular groove 6 are respectively arranged at the axial side part of the sleeve 3 and the body 1 is adopted, and the sleeve 2 in interference fit with the axial side part of the body 1 is positioned and fixed on the body 1 through the pin 7 matched with the pin hole 5 and the positioning circular groove 6, so that the effective reliability of the connecting structure of the sleeve 3 on the body 1 is ensured;
the outer ring 2 is in interference fit with the end part of the shaft side part at the corner of the body 1; specifically, the sleeve 3 and the outer ring 2 are both made of 42CrMo alloy steel materials, and the body 1 is formed by titanium alloy casting; the sleeve 3 and the outer ring 2 are both made of 42CrMo alloy steel materials, so that the surface hardness of the outer circumferential wall of the shaft side part of the input end box body is ensured to be more than or equal to 55HRC, and the hardness requirement of the input end box body in use is met; the body 1 is formed by casting and processing titanium alloy, so that the weight of the input end box body can be effectively reduced, and the design requirement of vehicle lightening is met.
This technical scheme simple structure, reasonable in design adopts titanium alloy material casting processing's body 1 can effectively enlarge the service temperature scope of input box, has increased the intensity of input box, accords with the lightweight designing requirement of vehicle.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. A light-weight input end box for in vehicle, its characterized in that: the steel pipe sleeve comprises a body (1), an outer ring (2) and a sleeve (3), wherein the body (1) is formed by casting metal with density smaller than that of steel, the sleeve (3) is fixedly sleeved on the shaft side part of the body (1), the outer ring (2) located on the inner side of the sleeve (3) is installed on the body (1), and the surface hardness of the sleeve (3) and the outer ring (2) is larger than or equal to 55 HRC.
2. A lightweight inlet box for use in a vehicle according to claim 1, wherein: sleeve (3) are the annular structure of echelonment, the system has cross sectional shape semicircular ring channel (4) on the outer circumferential wall of sleeve (3) big footpath end, be equipped with pinhole (5) that correspond with a plurality of location circular slot (6) positions on the outer circumferential wall of body (1) axle side position on the outer circumferential wall of sleeve (3) path end, interference fit in sleeve (3) at body (1) axle side position are fixed in on body (1) through pin (7) with location circular slot (6) and pinhole (5) adaptation.
3. A lightweight inlet box for use in a vehicle according to claim 2, wherein: the pin (7) is made of 2Cr13 material, and the outer end part of the pin (7) is not higher than the outer circumferential wall of the small-diameter end of the sleeve (3).
4. A lightweight inlet box for use in a vehicle according to claim 1, wherein: the outer ring (2) is in interference fit with the end part of the shaft side part at the corner of the body (1).
5. A lightweight inlet box for use in a vehicle according to any of claims 1-4, wherein: the sleeve (3) and the outer ring (2) are both made of 42CrMo alloy steel materials, and the body (1) is formed by titanium alloy casting processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120617789.0U CN214450281U (en) | 2021-03-26 | 2021-03-26 | Lightweight input end box body for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120617789.0U CN214450281U (en) | 2021-03-26 | 2021-03-26 | Lightweight input end box body for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214450281U true CN214450281U (en) | 2021-10-22 |
Family
ID=78160658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120617789.0U Withdrawn - After Issue CN214450281U (en) | 2021-03-26 | 2021-03-26 | Lightweight input end box body for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214450281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059995A (en) * | 2021-03-26 | 2021-07-02 | 宝鸡市中宇稀有金属有限公司 | Lightweight input end box body for vehicle and machining method thereof |
-
2021
- 2021-03-26 CN CN202120617789.0U patent/CN214450281U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059995A (en) * | 2021-03-26 | 2021-07-02 | 宝鸡市中宇稀有金属有限公司 | Lightweight input end box body for vehicle and machining method thereof |
| CN113059995B (en) * | 2021-03-26 | 2024-09-13 | 宝鸡市中宇稀有金属有限公司 | Lightweight input end box body for vehicle and processing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20211022 Effective date of abandoning: 20240913 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20211022 Effective date of abandoning: 20240913 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |