CN217682946U - High-carbon low-silicon niobium-containing gray cast iron brake drum - Google Patents
High-carbon low-silicon niobium-containing gray cast iron brake drum Download PDFInfo
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- CN217682946U CN217682946U CN202221320421.9U CN202221320421U CN217682946U CN 217682946 U CN217682946 U CN 217682946U CN 202221320421 U CN202221320421 U CN 202221320421U CN 217682946 U CN217682946 U CN 217682946U
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- brake drum
- brake
- hole
- ejector pin
- drum body
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Abstract
The utility model belongs to the technical field of auto-parts, especially, a high carbon low silicon contains niobium gray cast iron brake drum, to the friction disc damage very fast and then reduced life's problem, the following scheme is proposed at present, it includes the brake drum body and installs the notch, the side of the brake drum body has seted up the spiral hole, the inside movable mounting in spiral hole has the ejector pin, the middle part of ejector pin has seted up the screw thread, the one end swing joint of ejector pin has the braking piece, the side middle part of braking piece has seted up spacing hole, the side of braking piece has seted up first connecting hole, the inboard of the brake drum body has seted up the second connecting hole; the utility model discloses a periodic adjustment ejector pin, through rotating the ejector pin, the ejector pin passes through the cooperation in screw thread and spiral hole, can progressively remove to the inboard, and the ejector pin can progressively promote the braking piece when removing to the inboard for the braking piece progressively is close to the friction disc, thereby makes both keep standard distance, can reach and avoid friction disc unidirectional movement to lead to the too fast effect of loss.
Description
Technical Field
The utility model relates to the technical field of auto-parts, especially, relate to a high carbon low silicon contains niobium grey cast iron brake drum.
Background
The brake drum is a friction couple part of a drum brake, and the brake drum has strength and rigidity required as a component, as well as high and stable friction coefficient as possible, appropriate wear resistance, heat dissipation, heat capacity and the like, the brake is a part for generating braking force for resisting vehicle movement or movement tendency in a braking system, the automobile brake is a friction brake which almost generates braking torque by utilizing friction of a fixed element and a working surface of a rotating element except various retarding devices, and the market using effect of the brake drum made of high-carbon low-silicon niobium-containing gray cast iron is better.
Most of the existing brake drums keep a good braking effect by adjusting the distance between the inner friction plates, but in the long-time use process of the existing brake drums, the brake drums cannot be adjusted due to the fact that the brake drums are only braked by the movement of the friction plates and the inner friction of the brake drums, the friction plates are easy to wear, the whole service life is prolonged, and therefore the problem is solved by providing the high-carbon low-silicon niobium-containing gray cast iron brake drum.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low silicon of high carbon contains niobium grey cast iron brake drum to solve above-mentioned friction disc and damage very fast and then reduce life's problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the high-carbon low-silicon gray cast iron brake drum comprises a brake drum body and an installation notch, wherein a spiral hole is formed in the side face of the brake drum body, an ejector rod is movably installed inside the spiral hole, threads are formed in the middle of the ejector rod, one end of the ejector rod is movably connected with a brake piece, a limiting hole is formed in the middle of the side face of the brake piece, a first connection hole is formed in the side face of the brake piece, a second connection hole is formed in the inner side of the brake drum body, and a spring is fixedly installed inside the first connection hole.
Preferably, the middle part of the ejector rod is connected with the spiral hole through threads, the diameter of one end of the ejector rod is matched with that of the limiting hole, and one end of the ejector rod is movably connected to the inside of the limiting hole.
Preferably, the first connecting hole and the second connecting hole are the same in size and correspond in position to each other, one end of each spring is fixedly connected to the inside of the second connecting hole, and the two springs are respectively located on two sides of the ejector rod.
Preferably, the surface of the brake pad is provided with a first notch, and the first notch is connected to the middle of the brake drum body and the brake pad.
Preferably, a limiting column is fixedly mounted on a side surface of the brake pad, and a limiting groove is formed in the brake drum body.
Preferably, the width of the limiting groove is matched with the diameter of the limiting column, and the limiting column is located inside the limiting groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a periodic adjustment ejector pin, through rotating the ejector pin, the ejector pin passes through the cooperation in screw thread and spiral hole, can progressively remove to the inboard, and the ejector pin can progressively promote the braking piece when removing to the inboard for the braking piece progressively is close to the friction disc, thereby makes both keep standard distance, can reach and avoid friction disc unidirectional movement to lead to the too fast effect of loss.
2. The utility model discloses a notch that the surface of braking piece was seted up, notch are connected to the middle part of the brake drum body and braking piece, and when friction disc and braking piece friction braking, the loss that the friction disc produced can enter into the inside of the brake drum body and braking piece through the notch, and the granule that can effectively avoid the friction disc to produce influences the braking.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of the external assembly structure of the present invention;
fig. 4 is a schematic view of the internal assembly structure of the present invention.
In the figure: 1. a brake drum body; 2. installing a notch; 3. a helical bore; 4. a top rod; 5. a thread; 6. a brake pad; 7. a limiting hole; 8. a first connection hole; 9. a second connection hole; 10. a spring; 11. a limiting column; 12. a limiting groove; 13. a first notch.
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.
Referring to fig. 1-4, a high-carbon low-silicon gray cast iron brake drum containing niobium, which comprises a brake drum body 1 and an installation notch 2, wherein a spiral hole 3 is formed in the side surface of the brake drum body 1, an ejector rod 4 is movably installed inside the spiral hole 3, a thread 5 is formed in the middle of the ejector rod 4, a brake piece 6 is movably connected to one end of the ejector rod 4, the ejector rod 4 can gradually move inwards by virtue of the cooperation of the thread 5 and the spiral hole 3 by rotating the ejector rod 4, the brake piece 6 can be gradually pushed when the ejector rod 4 moves inwards, so that the brake piece 6 gradually approaches to a friction piece, the standard distance between the brake piece and the friction piece is kept, a limit hole 7 is formed in the middle of the side surface of the brake piece 6, a first connection hole 8 is formed in the side surface of the brake drum body 1, a second connection hole 9 is formed in the inner side surface of the brake drum body 1, and a spring 10 is fixedly installed inside the first connection hole 8.
Wherein, the middle part of ejector pin 4 passes through screw thread 5 and spiral hole 3 and connects, and ejector pin 4 passes through screw thread 5 and spiral hole 3's cooperation, can progressively move to the inboard, can progressively promote braking piece 6 when ejector pin 4 moves to the inboard, the one end diameter of ejector pin 4 and the diameter phase-match of spacing hole 7, the one end swing joint of ejector pin 4 to the inside in spacing hole 7.
The first connecting hole 8 and the second connecting hole 9 are the same in size and correspond in position, one end of each spring 10 is fixedly connected to the inside of the corresponding second connecting hole 9, the number of the springs 10 is two, the springs are respectively located on two sides of the ejector rod 4, the upper and lower parts of the brake piece 6 can be kept stable through the upper and lower springs 10, meanwhile, the springs 10 can generate pulling force towards the rear side after being expanded, the brake piece 6 is pulled backwards, and one end of the brake piece 6 and one end of the ejector rod 4 can be connected.
The surface of the brake plate 6 is provided with a first notch 13, the first notch 13 is connected to the middle parts of the brake drum body 1 and the brake plate 6, when the friction plate and the brake plate 6 are subjected to friction braking, loss generated by the friction plate can enter the brake drum body 1 and the brake plate 6 through the first notch 13, and the influence of particles generated by the friction plate on the braking can be effectively avoided.
The side surface of the brake pad 6 is fixedly provided with a limiting column 11, and the inside of the brake drum body 1 is provided with a limiting groove 12, so that the brake pad 6 can keep moving horizontally.
Wherein, the width of spacing groove 12 and the diameter phase-match of spacing post 11, spacing post 11 is located the inside of spacing groove 12, is convenient for install spacing post 11, through cooperation between them, can be so that braking piece 6 horizontal migration.
The working principle is as follows: when the brake pad is used, firstly, the brake device is installed on the inner side of the brake pad 6, the friction plate on the side face of the brake device corresponds to the inner side of the brake pad 6, when the friction plate and the brake pad 6 generate friction, the ejector rod 4 is installed in the middle of the rear side of the brake pad 6, the ejector rod 4 can be fixed through the matching of the threads 5 and the spiral holes 3, then the brake pad 6 and the friction plate can generate friction for braking, the ejector rod 4 can be adjusted periodically, the ejector rod 4 can move inwards gradually through the matching of the threads 5 and the spiral holes 3 by rotating the ejector rod 4, the brake pad 6 can be pushed gradually when the ejector rod 4 moves inwards, the brake pad 6 is enabled to approach the friction plate gradually, the brake pad and the brake pad keep a standard distance, when the brake pad 6 moves inwards, the spring 10 can be driven to expand, the upper portion and the lower portion of the brake pad 6 can be kept stable through the upper spring 10 and the lower spring 10, meanwhile, tensile force can be generated after the spring 10 expands, the brake pad 6 is pulled backwards, one end of the brake pad 6 and one end of the ejector rod 4 can be connected, the whole connection is enabled to be more stable, and the situation that the loss caused by one-way movement of the friction plate is avoided.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (6)
1. The high-carbon low-silicon gray cast iron brake drum containing niobium comprises a brake drum body (1) and an installation notch (2), and is characterized in that a spiral hole (3) is formed in the side face of the brake drum body (1), an ejector rod (4) is movably installed inside the spiral hole (3), threads (5) are formed in the middle of the ejector rod (4), a brake disc (6) is movably connected to one end of the ejector rod (4), a limiting hole (7) is formed in the middle of the side face of the brake disc (6), a first connecting hole (8) is formed in the side face of the brake disc (6), a second connecting hole (9) is formed in the inner side of the brake drum body (1), and a spring (10) is fixedly installed inside the first connecting hole (8).
2. The brake drum as claimed in claim 1, wherein the middle of the ejector rod (4) is connected with the spiral hole (3) through a thread (5), the diameter of one end of the ejector rod (4) is matched with that of the limiting hole (7), and one end of the ejector rod (4) is movably connected to the inside of the limiting hole (7).
3. The brake drum as claimed in claim 1, wherein the first and second connection holes (8, 9) are the same in size and corresponding in position, one end of the spring (10) is fixedly connected to the inside of the second connection hole (9), and the number of the springs (10) is two and the springs are respectively located on both sides of the carrier rod (4).
4. The brake drum as claimed in claim 1, wherein the brake lining (6) is provided with a first notch (13) on its surface, and the first notch (13) is connected to the middle of the brake drum body (1) and the brake lining (6).
5. The brake drum as claimed in claim 1, wherein the brake disc (6) has a side surface fixedly mounted with a limiting post (11), and the brake drum body (1) has a limiting groove (12) therein.
6. A brake drum as claimed in claim 5, wherein the width of the groove (12) matches the diameter of the stud (11), the stud (11) being located inside the groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221320421.9U CN217682946U (en) | 2022-05-30 | 2022-05-30 | High-carbon low-silicon niobium-containing gray cast iron brake drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221320421.9U CN217682946U (en) | 2022-05-30 | 2022-05-30 | High-carbon low-silicon niobium-containing gray cast iron brake drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217682946U true CN217682946U (en) | 2022-10-28 |
Family
ID=83703809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221320421.9U Active CN217682946U (en) | 2022-05-30 | 2022-05-30 | High-carbon low-silicon niobium-containing gray cast iron brake drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217682946U (en) |
-
2022
- 2022-05-30 CN CN202221320421.9U patent/CN217682946U/en active Active
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