CN213628590U - Novel drum brake for automobile - Google Patents
Novel drum brake for automobile Download PDFInfo
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- CN213628590U CN213628590U CN202022325018.2U CN202022325018U CN213628590U CN 213628590 U CN213628590 U CN 213628590U CN 202022325018 U CN202022325018 U CN 202022325018U CN 213628590 U CN213628590 U CN 213628590U
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Abstract
The utility model discloses a novel drum brake for car, which comprises an outer shell, the friction disc main part outside all is provided with the slot, the top layer of friction disc main part is the wearing layer, the inboard fixedly connected with adhesive linkage of wearing layer, the inboard fixedly connected with high temperature resistant layer of adhesive linkage, the top left side fixedly connected with temperature sensor of shell, affiliated shell top fixedly connected with refrigerant box, refrigerant box rear end fixedly connected with controller, the equal fixedly connected with tubular metal resonator in solenoid valve rear end. The utility model discloses in, temperature sensor gives the controller with signal transmission when friction disc high temperature, and controller control solenoid valve is opened, and the refrigerant passes through the tubular metal resonator and reachs the cooling of friction disc main part, is favorable to prolonging brake life guarantee safety, and the friction disc brake effect that wearing layer, adhesive linkage and high temperature resistant layer three complex formed is good, and life is high, is worth wideling popularize.
Description
Technical Field
The utility model relates to a friction disc field especially relates to a novel drum brake for car.
Background
Drum brakes, also called block brakes, are used for braking by pressing brake pads on brake wheels, drum brakes are early designed brake systems, the design of brake drums of drum brakes is used on a carriage in 1902 years, and the drum brakes are not widely used in the automobile industry until about 1920 years ago, the mainstream of drum brakes is of an inward-expanding type, brake pads (brake shoes) of drum brakes are positioned on the inner side of the brake wheels, the brake pads are outwards expanded to rub the inner side of the brake wheels during braking, so that the purpose of braking is achieved, and the drum brakes are used in some economical cars due to low cost and mainly used for rear wheels with smaller braking load and parking brakes.
After a friction plate of a common drum brake on the market is braked on a downhill for a long time, the temperature of the friction plate is increased, so that the braking effect is poor, even the braking fails, and the durability and the braking effect of the common friction plate are poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art, and providing a novel drum brake for an automobile.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel drum brake for an automobile comprises a shell, wherein a connector is fixedly connected to the inner wall of the shell, a first brake shoe is rotatably connected to the left side of the connector through a connecting shaft, a second brake shoe is rotatably connected to the right side of the connector through a connecting shaft, a brake cylinder is fixedly connected between the right side of the top of the first brake shoe and the left side of the top of the second brake shoe, connecting rods are fixedly connected to the outer walls of the front ends of the first brake shoe and the second brake shoe, the first brake shoe and the second brake shoe are fixedly connected to the left side and the right side of a reset spring through the connecting rods, a friction plate main body is fixedly connected to the left side of the first brake shoe and the right side of the second brake shoe, grooves are formed in the outer side of the friction plate main body, a wear-resistant layer is arranged on the surface layer of the friction plate main body, a bonding, the temperature sensor is fixedly connected to the left side of the top of the shell, the refrigerant box body is fixedly connected to the top of the shell, the controller is fixedly connected to the rear end of the refrigerant box body, the electromagnetic valves are fixedly connected to the left side and the right side of the bottom of the rear end of the refrigerant box body, and the metal tubes are fixedly connected to the rear ends of the electromagnetic valves.
As a further description of the above technical solution:
the other end of the metal pipe penetrates through the shell.
As a further description of the above technical solution:
and a brake drum is arranged on the inner side of the front end of the shell.
As a further description of the above technical solution:
the friction plate main body is arc-shaped.
As a further description of the above technical solution:
the wear-resistant layer is made of carbon fibers.
As a further description of the above technical solution:
the material of the bonding layer is resin.
As a further description of the above technical solution:
the high-temperature resistant layer is made of high-temperature ceramics.
As a further description of the above technical solution:
and two grooves are formed in the outer side of each friction plate main body.
The utility model discloses following beneficial effect has:
1. the utility model discloses in, the top left side fixedly connected with temperature sensor of shell, affiliated shell top fixedly connected with refrigerant box, refrigerant box rear end fixedly connected with controller, the equal fixedly connected with solenoid valve in the rear end bottom left and right sides of refrigerant box, the equal fixedly connected with tubular metal resonator in solenoid valve rear end, when the long-time work friction disc high temperature of stopper, temperature sensor gives the controller with signal transmission, controller control solenoid valve opens, the refrigerant in the refrigerant box passes through the tubular metal resonator and reachs the friction disc main part cooling, in time the cooling is favorable to prolonging brake life guarantee safety.
2. The utility model discloses in, the friction disc main part outside all is provided with the slot, prevent to get into the air and form the bubble, the top layer of friction disc main part is the wearing layer, the material of wearing layer is the carbon fiber, carbon fiber performance is superior, the unit area absorbed power is high, improve brake performance, the inboard fixedly connected with adhesive linkage of wearing layer, the material of adhesive linkage is the resin, pliable and tough resin boundary layer is favorable to absorbing impact energy, improve the impact strength of braking piece, be favorable to reducing the hardness of friction disc main part, it is good with the brake drum laminating to make it, the inboard fixedly connected with high temperature resistant layer of adhesive linkage, the material on high temperature resistant layer is high temperature ceramics, high temperature resistant stand wear and tear, the compound friction disc brake that forms of three is effectual, long service life is.
Drawings
Fig. 1 is an external view of a novel drum brake for an automobile according to the present invention;
fig. 2 is a side view of a novel drum brake for an automobile according to the present invention;
fig. 3 is a front view of a new drum brake for an automobile according to the present invention;
fig. 4 is a cross-sectional view of a friction plate main body of a novel drum brake for an automobile, which is provided by the invention;
fig. 5 is a structural diagram of a friction plate main body of a novel drum brake for an automobile provided by the invention.
Illustration of the drawings:
1. a housing; 2. a connector; 3. a connecting shaft; 4. a first brake shoe; 5. a second brake shoe; 6. a brake cylinder; 7. a friction plate main body; 8. a connecting rod; 9. a return spring; 10. a temperature sensor; 11. a refrigerant tank; 12. an electromagnetic valve; 13. a metal tube; 14. a controller; 15. a brake drum; 16. a wear layer; 17. an adhesive layer; 18. a high temperature resistant layer; 19. and (4) a 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the present invention provides an embodiment: a novel drum brake for an automobile comprises a shell 1, a connector 2 is fixedly connected to the inner wall of the shell 1, the left side of the connector 2 is rotatably connected with a first brake shoe 4 through a connecting shaft 3, the right side of the connector 2 is rotatably connected with a second brake shoe 5 through the connecting shaft 3, a brake cylinder 6 is fixedly connected between the right side of the top of the first brake shoe 4 and the left side of the top of the second brake shoe 5, connecting rods 8 are fixedly connected to the outer walls of the front ends of the first brake shoe 4 and the second brake shoe 5, the first brake shoe 4 and the second brake shoe 5 are fixedly connected to the left side and the right side of a reset spring 9 through the connecting rods 8, a friction plate main body 7 is fixedly connected to the left side of the first brake shoe 4 and the right side of the second brake shoe 5, grooves 19 are respectively arranged on the outer side of the friction plate main body 7, the surface layer of the friction plate main body 7 is a wear-resistant, the top left side fixedly connected with temperature sensor 10 of shell 1, 1 top fixedly connected with refrigerant box 11 of affiliated shell, 11 rear end fixedly connected with controllers 14 of refrigerant box, the equal fixedly connected with solenoid valve 12 of the rear end bottom left and right sides of refrigerant box 11, the equal fixedly connected with tubular metal resonator 13 in solenoid valve 12 rear end, when the long-time work friction disc main part 7 high temperature of stopper, temperature sensor 10 gives controller 14 with signal transmission, controller 14 control solenoid valve 12 opens, the refrigerant in the refrigerant box 11 passes through tubular metal resonator 13 and cools down on arriving friction disc main part 7.
The other end of the metal pipe 13 penetrates through the shell 1, a brake drum 15 is arranged on the inner side of the front end of the shell 1, the friction plate main body 7 is arc-shaped, the wear-resistant layer 16 is made of carbon fibers, the carbon fiber performance is excellent, the unit area absorption power is high, the braking performance is improved, the bonding layer 17 is made of resin, a flexible resin interface layer is favorable for absorbing impact energy, the impact strength of the brake plate is improved, the hardness of the friction plate main body 7 is favorably reduced, the friction plate main body is well attached to the brake drum 15, the high-temperature-resistant layer 18 is made of high-temperature ceramic, two grooves 19 are formed in the outer side of each friction plate main body 7.
The working principle is as follows: when the temperature of the friction plate main body 7 is too high during long-time operation of the brake, the temperature sensor 10 transmits a signal to the controller 14 after reaching a certain numerical value, the controller 14 controls the electromagnetic valve 12 to be opened, refrigerant in the refrigerant box body 11 reaches the friction plate main body 7 through the metal pipe 13 to be cooled, once the temperature detected by the temperature sensor 10 is restored to the certain numerical value, the signal is transmitted to the controller 14 again, and the controller 14 controls the electromagnetic valve 12 to be closed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. A novel drum brake for automobiles, comprising a housing (1), characterized in that: the brake shoe is characterized in that a connector (2) is fixedly connected to the inner wall of the shell (1), the left side of the connector (2) is rotatably connected with a first brake shoe (4) through a connecting shaft (3), the right side of the connector (2) is rotatably connected with a second brake shoe (5) through the connecting shaft (3), a brake cylinder (6) is fixedly connected between the right side of the top of the first brake shoe (4) and the left side of the top of the second brake shoe (5), a connecting rod (8) is fixedly connected to the outer wall of the front end of the first brake shoe (4) and the outer wall of the front end of the second brake shoe (5), the first brake shoe (4) and the second brake shoe (5) are fixedly connected to the left side and the right side of a reset spring (9) through the connecting rod (8), a friction plate main body (7) is fixedly connected to the left side of the first brake shoe (4) and the right side of the second brake shoe, the top layer of friction disc main part (7) is wearing layer (16), wearing layer (16) inboard fixedly connected with adhesive linkage (17), the inboard fixedly connected with high temperature resistant layer (18) of adhesive linkage (17), top left side fixedly connected with temperature sensor (10) of shell (1), affiliated shell (1) top fixedly connected with refrigerant box (11), refrigerant box (11) rear end fixedly connected with controller (14), the equal fixedly connected with solenoid valve (12) of the rear end bottom left and right sides of refrigerant box (11), the equal fixedly connected with tubular metal resonator (13) in solenoid valve (12) rear end.
2. The new drum brake for automobile according to claim 1, characterized in that: the other end of the metal pipe (13) penetrates through the shell (1).
3. The new drum brake for automobile according to claim 1, characterized in that: and a brake drum (15) is arranged on the inner side of the front end of the shell (1).
4. The new drum brake for automobile according to claim 1, characterized in that: the friction plate main body (7) is arc-shaped.
5. The new drum brake for automobile according to claim 1, characterized in that: the wear-resistant layer (16) is made of carbon fibers.
6. The new drum brake for automobile according to claim 1, characterized in that: the material of the bonding layer (17) is resin.
7. The new drum brake for automobile according to claim 1, characterized in that: the high-temperature resistant layer (18) is made of high-temperature ceramics.
8. The new drum brake for automobile according to claim 1, characterized in that: and two grooves (19) are arranged on the outer side of each friction plate main body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022325018.2U CN213628590U (en) | 2020-10-19 | 2020-10-19 | Novel drum brake for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022325018.2U CN213628590U (en) | 2020-10-19 | 2020-10-19 | Novel drum brake for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213628590U true CN213628590U (en) | 2021-07-06 |
Family
ID=76661320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022325018.2U Active CN213628590U (en) | 2020-10-19 | 2020-10-19 | Novel drum brake for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213628590U (en) |
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2020
- 2020-10-19 CN CN202022325018.2U patent/CN213628590U/en active Active
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