CN210739307U - Anti-fracture gear blank for automobile - Google Patents
Anti-fracture gear blank for automobile Download PDFInfo
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- CN210739307U CN210739307U CN201921584255.1U CN201921584255U CN210739307U CN 210739307 U CN210739307 U CN 210739307U CN 201921584255 U CN201921584255 U CN 201921584255U CN 210739307 U CN210739307 U CN 210739307U
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- gear
- gear blank
- blank body
- support ring
- ring
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Abstract
The utility model discloses an anti-fracture gear blank for automobile, which comprises a gear blank body, wherein a gear shaft hole is formed in the middle of the inner side of the gear blank body, an outer gear ring is integrally formed on the outer side wall of the gear blank body, a support ring is arranged on the inner side of the outer gear ring, a mounting bolt is arranged on the inner side of the support ring, and a mounting screw hole is formed on the inner side of the edge of the gear blank body; through being provided with support ring, supporting shoe and construction bolt, avoid when external ring gear external tooth machine-shaping, the effort in the outside causes outer ring gear edge to gear shaft hole department sunken, the fracture, through being provided with first louvre, radiating groove, second louvre and wind-guiding bulge, avoids gear blank body processing to accomplish the back, with outside gear engagement rotation in-process, self radiating effect is not good, easily causes metal fatigue.
Description
Technical Field
The utility model belongs to the technical field of the gear blank, concretely relates to prevent gear blank for fracture type car.
Background
The automobile is driven by power, the non-rail-bearing automobile with 4 or more than 4 wheels is provided, the power of the automobile is mostly transmitted through a gear, a gear blank is cast at the position of the gear when the gear is manufactured, and then the outer side wall of the gear blank is processed into a tooth shape. When the existing gear blank is used for machining a tooth form, the gear blank is not well supported by an external gear ring, the external gear ring can be subjected to external force when the tooth form is machined, the external gear ring is sunken towards one side of a gear shaft hole and even breaks, the using effect is not good, in addition, a gear machined by the gear blank is not well used for a heat dissipation mechanism inside the gear, metal fatigue can be caused by high temperature, the service life of the gear is influenced, and therefore the anti-breaking gear blank for the automobile is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent gear blank for fracture type car, in order to solve and to propose current gear blank when processing the profile of tooth among the above-mentioned background art, gear blank does not have fine external ring gear to support, external ring gear probably receives exogenic action when processing the profile of tooth, cause outer ring gear to gear shaft hole one side sunken, the fracture even, the result of use is not good, the gear that gear blank processing made in addition is when using, there is not fine inside heat dissipation mechanism to the gear, metal fatigue can be caused to great temperature, influence gear life's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent type of splitting gear blank for car, includes the gear blank body, the gear shaft hole has been seted up at the inboard middle part of gear blank body, gear blank body lateral wall integrated into one piece has outer ring gear, outer ring gear inboard is provided with the support ring, the support ring inboard is provided with construction bolt, the installation screw has been seted up to the inboard at gear blank body edge, the support ring is fixed through construction bolt and installation screw with the gear blank body, the support ring inside wall is fixed with the supporting shoe, the supporting shoe is continuous casting fashioned integrated mechanism with the support ring, the gear blank body openly is provided with the radiating hole mechanism.
Preferably, the louvre mechanism includes first louvre, protruding piece of wind-guiding and second louvre, first louvre has openly been seted up to gear blank body, first louvre runs through the both sides wall of gear blank body, the protruding piece of wind-guiding is the integrated into one piece structure with the gear blank body, the protruding piece of wind-guiding is located the both ends of first louvre, the protruding piece inside wall of wind-guiding is in the coplanar with first louvre inside wall, the second louvre has been seted up to gear blank body lateral wall, the second louvre is located the outside of first louvre, the inside wall of first louvre is run through to the one end of second louvre.
Preferably, the heat dissipation groove is formed in the inner side of the air guide protruding block and penetrates through the air guide protruding block and the gear blank body.
Preferably, the air guide protruding blocks are semi-annular, and six air guide protruding blocks are arranged on the front face of the gear blank body.
Preferably, the number of the supporting blocks is three, and the three supporting blocks are uniformly distributed along the circumferential direction of the inner side wall of the supporting ring.
Preferably, the cross section of the support ring is L-shaped, the support ring is provided with two positions, the other position is located on the other side of the gear blank body, and the outer side wall of the support ring is abutted to the inner side wall of the outer gear ring.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) through being provided with support ring, supporting shoe and construction bolt, be convenient for support external ring gear inside wall, avoid when external ring gear external tooth machine-shaping, the effort in the outside causes outer ring gear edge to gear shaft hole department sunken, fracture, is convenient for improve the security of outer ring gear, improves the processing effect of device.
(2) Through being provided with first louvre, radiating groove, second louvre and wind-guiding protruding piece, be convenient for make better to the inboard inflow of first louvre of outside natural wind, the gear blank body inboard temperature is taken away to the natural wind of being convenient for, avoids gear blank body processing to accomplish the back, rotates the in-process with outside gear engagement, and self radiating effect is not good, easily causes metal fatigue, influences the life of product.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line B-B of FIG. 1;
fig. 3 is a schematic cross-sectional view at a in fig. 1 according to the present invention;
in the figure: 1. a support ring; 2. a support block; 3. a gear shaft hole; 4. a first heat dissipation hole; 5. an outer ring gear; 6. the wind guide bulge block; 7. a second heat dissipation hole; 8. installing a bolt; 9. a gear blank body; 10. a heat dissipation groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a prevent type of splitting gear blank for car, including gear blank body 9, gear shaft hole 3 has been seted up at the inboard middle part of gear blank body 9, gear blank body 9 lateral wall integrated into one piece has outer ring gear 5, 5 inboard outer ring gear are provided with support ring 1, be convenient for support 5 edges, prevent to sunken 3 one sides in gear shaft hole, support ring 1 inboard is provided with construction bolt 8, the installation screw has been seted up to the inboard at gear blank body 9 edge, support ring 1 is fixed through construction bolt 8 and installation screw with gear blank body 9, be convenient for carry out demountable installation to support ring 1, support ring 1 inside wall is fixed with supporting shoe 2, supporting shoe 2 is continuous casting shaping's integrated machine with support ring 1, be convenient for better improvement support ring 1's intensity, prevent that support ring 1 from taking place deformation, gear blank body 9 openly is provided with louv.
In this embodiment, preferably, the heat dissipation hole mechanism includes a first heat dissipation hole 4, the convex piece 6 of wind-guiding and the second louvre 7, first louvre 4 has openly been seted up to gear blank body 9, first louvre 4 runs through the both sides wall of gear blank body 9, the convex piece 6 of wind-guiding is the integrated into one piece structure with gear blank body 9, be convenient for rotate the in-process at gear blank body 9 through convex wind-guiding convex piece 6, make better to the inboard flow of first louvre 4 of natural wind, the convex piece 6 of wind-guiding is located the both ends of first louvre 4, the 6 inside walls of wind-guiding convex piece are in the coplanar with the 4 inside walls of first louvre, second louvre 7 has been seted up to gear blank body 9 lateral wall, second louvre 7 is located the outside of first louvre 4, the one end of second louvre 7 runs through the 4 inside walls of first louvre, be convenient for better make the inboard flow of the 4 louvres of natural.
In this embodiment, preferably, the heat dissipation groove 10 is formed on the inner side of the air guide protrusion block 6, and the heat dissipation groove 10 penetrates through the air guide protrusion block 6 and the gear blank body 9, so that the heat dissipation area is conveniently increased.
In this embodiment, preferably, the air guide protrusion 6 is a semi-ring shape, and six air guide protrusions 6 are disposed on the front surface of the gear blank body 9, so as to facilitate better flowing of the natural wind toward the inner side of the first heat dissipation hole 4.
In this embodiment, preferably, three supporting blocks 2 are provided, and the three supporting blocks 2 are uniformly distributed along the circumferential direction of the inner side wall of the supporting ring 1, so as to facilitate a better supporting effect.
In this embodiment, preferably, the cross section of the support ring 1 is in an "L" shape, which is convenient for better preventing the outer gear ring 5 from sinking and breaking towards one side of the gear shaft hole 3 due to external force when the outer gear ring 5 is used for processing external teeth, the support ring 1 is provided with two positions, the other support ring 1 is located at the other side of the gear blank body 9, and the outer side wall of the support ring 1 is abutted to the inner side wall of the outer gear ring 5.
The utility model discloses a theory of operation and use flow: when in use, the support ring 1 with the L-shaped cross section is attached to the surface of the gear blank body 9, at the moment, the outer side wall of the support ring 1 is abutted against the inner side wall of the outer gear ring 5, the gear blank body 9 and the support ring 1 are fixed through the mounting bolt 8, in the process of arranging the tooth block on the outer side wall of the outer gear ring 5, the outer gear ring 5 is conveniently supported through the support ring 1 and the support block 2, the phenomenon that the edge of the outer gear ring 5 is sunken towards one side of the gear shaft hole 3 and is fractured due to overlarge external force is conveniently reduced, the safety of the outer gear ring 5 is improved, the support ring 1 is disassembled through the mounting bolt 8 after the processing is finished, the recycling and the cost are saved, the wind guide bulge block 6 is convenient for the processing and using process of the gear blank body 9, the rotation of the gear blank radiating hole body 9 enables the natural wind, be convenient for take away the inboard heat of gear blank body 9, the while is in the inboard that the dorsal part natural wind of wind-guiding protruding piece 6 flowed into first louvre 4 through second louvre 7, improves the inside radiating effect to gear blank body 9, and then prevents that gear blank body 9 and outside gear engagement from rotating the in-process, and self generates heat and causes metal fatigue damage, the extension fixture's of being convenient for life.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a prevent type of splitting gear blank for car, includes gear blank body (9), gear shaft hole (3) have been seted up at gear blank body (9) inboard middle part, gear blank body (9) lateral wall integrated into one piece has outer ring gear (5), its characterized in that: outer ring gear (5) inboard is provided with support ring (1), support ring (1) inboard is provided with construction bolt (8), the installation screw has been seted up to the inboard at gear blank body (9) edge, support ring (1) is fixed through construction bolt (8) and installation screw with gear blank body (9), support ring (1) inside wall is fixed with supporting shoe (2), supporting shoe (2) are continuous casting fashioned integrated mechanism with support ring (1), gear blank body (9) openly are provided with the radiating hole mechanism.
2. The anti-fracture gear blank for the automobile as claimed in claim 1, wherein: the heat dissipation hole mechanism comprises first heat dissipation holes (4), a wind guide protruding block (6) and second heat dissipation holes (7), the first heat dissipation holes (4) are formed in the front face of the gear blank body (9), the first heat dissipation holes (4) penetrate through two side walls of the gear blank body (9), the wind guide protruding block (6) and the gear blank body (9) are of an integrally formed structure, the wind guide protruding block (6) is located at two ends of the first heat dissipation holes (4), the inner side wall of the wind guide protruding block (6) and the inner side wall of the first heat dissipation holes (4) are located on the same plane, the second heat dissipation holes (7) are formed in the side wall of the gear blank body (9), the second heat dissipation holes (7) are located on the outer side of the first heat dissipation holes (4), and one ends of the second heat dissipation holes (7) penetrate through the inner side wall of the first.
3. The anti-fracture gear blank for the automobile as claimed in claim 2, wherein: radiating grooves (10) are formed in the inner sides of the air guide protruding blocks (6), and the radiating grooves (10) penetrate through the air guide protruding blocks (6) and the gear blank body (9).
4. The anti-fracture gear blank for the automobile as claimed in claim 2, wherein: the wind guide protruding blocks (6) are semi-annular, and six wind guide protruding blocks (6) are arranged on the front face of the gear blank body (9).
5. The anti-fracture gear blank for the automobile as claimed in claim 1, wherein: the supporting blocks (2) are arranged in three numbers, and the supporting blocks (2) are uniformly distributed along the circumferential direction of the inner side wall of the supporting ring (1).
6. The anti-fracture gear blank for the automobile as claimed in claim 1, wherein: the cross section of the support ring (1) is L-shaped, the support ring (1) is provided with two positions and the other position, the support ring (1) is located on the other side of the gear blank body (9), and the outer side wall of the support ring (1) is inconsistent with the inner side wall of the outer gear ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921584255.1U CN210739307U (en) | 2019-09-23 | 2019-09-23 | Anti-fracture gear blank for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921584255.1U CN210739307U (en) | 2019-09-23 | 2019-09-23 | Anti-fracture gear blank for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210739307U true CN210739307U (en) | 2020-06-12 |
Family
ID=70987739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921584255.1U Active CN210739307U (en) | 2019-09-23 | 2019-09-23 | Anti-fracture gear blank for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210739307U (en) |
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2019
- 2019-09-23 CN CN201921584255.1U patent/CN210739307U/en active Active
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