CN114483842B - High-efficiency brake drum brake sheet capable of compensating abrasion - Google Patents
High-efficiency brake drum brake sheet capable of compensating abrasion Download PDFInfo
- Publication number
- CN114483842B CN114483842B CN202210031122.1A CN202210031122A CN114483842B CN 114483842 B CN114483842 B CN 114483842B CN 202210031122 A CN202210031122 A CN 202210031122A CN 114483842 B CN114483842 B CN 114483842B
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- Prior art keywords
- piston
- wall
- brake
- brake pad
- bottom end
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- 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.)
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Links
- 238000005299 abrasion Methods 0.000 title abstract description 5
- 238000006073 displacement reaction Methods 0.000 claims abstract description 39
- 239000003921 oil Substances 0.000 claims description 20
- 239000010720 hydraulic oil Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241001417494 Sciaenidae Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/78—Features relating to cooling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a high-efficiency brake drum brake pad capable of compensating abrasion, which relates to the technical field of vehicle braking and comprises a fixing part, wherein the outer wall of the fixing part is connected with a displacement part, the outer wall of the displacement part is connected with a first brake pad, the bottom end of the first brake pad is connected with a first reset spring, a second brake pad is arranged in the displacement part, and the bottom end of the second brake pad is provided with a second reset spring. According to the invention, the fixing part, the displacement part, the first brake pad, the second brake pad and the pushing part are arranged, so that when the second brake pad is not used, the third sliding groove can rapidly dissipate heat generated when the first brake pad brakes, and when the second brake pad is used, the second brake pad can move to the same horizontal plate as the first brake pad through the third sliding groove, so that the contact area between the first brake pad and the brake drum is increased, and the braking effect of the device main body is increased.
Description
Technical Field
The invention relates to the technical field of vehicle braking, in particular to a high-efficiency brake drum brake sheet capable of compensating abrasion.
Background
The drum brake is composed of a rotating part, a fixed part, an actuating part and a positioning adjusting device, and is composed of a brake bottom plate, a brake cylinder, a brake shoe and other related connecting rods, springs, pins, a brake drum, wherein the drum brake is provided with an iron casting similar to the tambour, called a brake drum, which is fixed with a tire and rotates at the same speed, and the disc brake has the advantages of better reactivity and stability, better heat dissipation, simple replacement and the like, the drum brake has lower cost and higher absolute braking force and is applied to rear wheels of small cars, brake blocks, also called brake blocks, the brake blocks are the most critical safety parts in a braking system of an automobile, the brake blocks play a decisive role, and the brake blocks are generally composed of steel plates, a bonding heat insulation layer and friction blocks, wherein the heat insulation layer is composed of materials which do not transfer heat and the aim of heat insulation; the friction block is composed of friction material and adhesive, and is pressed on the brake disc and the brake drum to generate friction during braking, thereby achieving the purpose of decelerating and braking the vehicle.
However, when a conventional brake drum brake pad brakes a vehicle, no matter the vehicle is braked in a spot or an emergency, the contact area of the brake drum brake pad and the brake drum in the vehicle is the same, and the effect of the conventional brake drum brake pad when the vehicle is required to be braked in an emergency is required to be improved.
Disclosure of Invention
The invention aims at: in order to solve the problems, a high-efficiency brake drum brake pad capable of compensating abrasion is provided.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a high-efficient brake drum brake pad of compensating wearing and tearing, includes the fixed part, the outer wall connection of fixed part has displacement part, the outer wall connection of displacement part has first brake block, the bottom of first brake block is connected with first reset spring, the inside of displacement part is provided with the second brake block, second reset spring is installed to the bottom of second brake block, the bottom of displacement part is provided with the arc lifter plate, the bottom mounting of arc lifter plate has the piston plate, the bottom of piston plate is connected with third reset spring, the bottom of third reset spring is provided with the first piston box that is used for holding hydraulic oil, the outer wall connection of first piston box has the oil guide pipe that is used for transmitting hydraulic oil, the one end that first piston box was kept away from to the oil guide pipe is fixed with the second piston box, the inside of second piston box is provided with pushing element.
Preferably, the pushing component comprises a piston pushing plate, a push rod and an arc-shaped moving plate, the outer wall of the piston pushing plate is attached to the inner wall of a second piston box, a first through hole matched with the push rod is formed in one side, close to the displacement component, of the second piston box, a second through hole located in the same axis with the first through hole is formed in the fixing component, the second through hole is matched with the outer wall of the push rod, and the outer wall of the arc-shaped moving plate is attached to the inner wall of the displacement component.
Preferably, a first chute matched with the arc lifting plate is arranged in the fixing part, the outer wall of the piston plate is attached to the inner wall of the first piston box, and the bottom end of the piston plate is elastically connected with the bottom end of the inner wall of the first piston box through a third reset spring.
Preferably, one end of the oil guide pipe penetrates through the outer wall of the first piston box to the inner wall of the first piston box, the other end of the oil guide pipe penetrates through the outer wall of the second piston box to the inner wall of the second piston box, a sealing element is arranged at the contact position of the oil guide pipe and the first piston box, and a sealing element is arranged at the contact position of the second piston box and the oil guide pipe.
Preferably, a second sliding groove matched with the second brake pad is formed in the displacement component, and a third sliding groove matched with the second brake pad is formed in the first brake pad.
Preferably, the thickness of the top end of the second brake pad is greater than the thickness of the bottom end of the second brake pad, and the second brake pad is in an arc shape as a whole.
Preferably, the bottom of displacement part is provided with spacing step, the bottom and the spacing step of first brake block pass through first reset spring elastic connection, the bottom and the spacing step of second brake block pass through second reset spring elastic connection.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the fixing part, the displacement part, the first brake pad, the second brake pad, the first piston box, the second piston box and the pushing part are arranged, so that when the second brake pad is not used, the third sliding groove is used for rapidly radiating heat generated when the first brake pad brakes, and when the second brake pad is used, the second brake pad can move to the same horizontal plate with the first brake pad through the third sliding groove, so that the contact area between the first brake pad and the second brake pad and the brake drum is increased, and the braking effect of the device main body is increased; the pushing component drives the first brake block and the second brake block to move, so that the bonding force between the first brake block and the second brake block and between the first brake block and the brake drum is increased, the braking effect is better, and the top end of the second brake block is more used times, so that the top end of the second brake block is more lost than the bottom end of the second brake block, the thickness of the top end of the second brake block is higher than the thickness of the bottom end of the second brake block, and the service life of the second brake block can be effectively prolonged; the device comprises a fixing part, a displacement part, a piston plate, a pushing part, a pushing rod and an arc-shaped moving plate, wherein the fixing part is transversely moved to drive the displacement part to move when a user needs to brake an automobile through a device main body, the displacement part is moved to drive the first brake block to move with the second brake block, when the outer wall of the first brake block is contacted with a brake drum, the first brake block is moved along with the brake drum to a distance away from one end, so that the first brake block cannot be locked at the first time when the first brake block is contacted with the brake drum, the service life of the first brake block is effectively prolonged, the first brake block is moved to squeeze a first reset spring, when the first reset spring is squeezed to an elastic limit, the displacement part is driven to move, the displacement part is driven to drive the arc-shaped lifting plate to move, the piston plate is driven to move, hydraulic oil in the first piston box is driven to move to the second piston box through an oil guide pipe, the hydraulic oil in the second piston box is driven to move the pushing part, the pushing part is composed of a piston push plate, and when the piston push plate is pushed by the piston push rod, the piston push rod is driven to move, the arc-shaped moving plate is driven, the first brake block and the second brake block is driven to move, and the force is better to be attached to the second brake block.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the position structures of the displacement member and the first brake pad according to the present invention;
FIG. 3 is a schematic view of the displacement member of the present invention;
FIG. 4 is a schematic structural view of a first brake pad according to the present invention;
fig. 5 is a schematic structural view of a second brake pad according to the present invention.
In the figure: 1. a fixing member; 2. a displacement member; 3. a first brake pad; 4. a first return spring; 5. a second brake pad; 6. a second return spring; 7. an arc lifting plate; 8. a piston plate; 9. a third return spring; 10. a first piston case; 11. an oil guide pipe; 12. a second piston case; 13. pushing the component.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.
Referring to fig. 1-5, a wear-compensated efficient brake drum brake pad comprises a fixing component 1, wherein the outer wall of the fixing component 1 is connected with a displacement component 2, the outer wall of the displacement component 2 is connected with a first brake pad 3, the bottom end of the first brake pad 3 is connected with a first return spring 4, a second brake pad 5 is arranged in the displacement component 2, a second return spring 6 is arranged at the bottom end of the second brake pad 5, an arc lifting plate 7 is arranged at the bottom end of the displacement component 2, a piston plate 8 is fixed at the bottom end of the arc lifting plate 7, a third return spring 9 is connected at the bottom end of the piston plate 8, a first piston box 10 for containing hydraulic oil is arranged at the bottom end of the third return spring 9, an oil guide pipe 11 for conveying the hydraulic oil is connected at the outer wall of the first piston box 10, a second piston box 12 is fixed at one end of the oil guide pipe 11 far away from the first piston box 10, and a pushing component 13 is arranged in the second piston box 12;
according to the structural design, the fixing part 1, the displacement part 2, the first brake pad 3, the second brake pad 5, the first piston box 10, the second piston box 12 and the pushing part 13 are arranged, so that when the second brake pad 5 is not used, the third sliding groove rapidly dissipates heat generated when the first brake pad 3 brakes, and when the second brake pad 5 is used, the second brake pad 5 can move to the same horizontal plate with the first brake pad 3 through the third sliding groove, so that the contact area between the first brake pad 3 and the second brake pad 5 and the brake drum is increased, and the braking effect of the device main body is increased; the pushing component 13 drives the first brake pad 3 and the second brake pad 5 to move, so that the bonding force between the first brake pad 3 and the second brake pad 5 and the brake drum is increased, the braking effect is better, and the top end of the second brake pad 5 is more used times, so that the top end of the second brake pad 5 is more worn than the bottom end, the thickness of the top end of the second brake pad 5 is higher than the thickness of the bottom end of the second brake pad, and the service life of the second brake pad 5 can be effectively prolonged;
the device comprises a fixing part 1, a displacement part 2, a first piston box 10, a second piston box 12, a pushing part 13, a pushing plate and an arc-shaped moving plate, wherein the first piston box is formed by a piston, a pushing plate and the arc-shaped moving plate, the pushing plate is pushed by hydraulic oil, the pushing plate drives the pushing plate to move, and the pushing plate drives the pushing plate to move, so that the first brake plate is attached to the first brake plate 3 and the second brake plate 5, and the arc-shaped moving plate is attached to the first brake plate 3, and the arc-shaped force is better.
Referring to fig. 1, the pushing component 13 includes a piston pushing plate, a pushing rod, and an arc moving plate, where the outer wall of the piston pushing plate is attached to the inner wall of the second piston box 12, a first through hole matched with the pushing rod is provided on one side of the second piston box 12 near the displacement component 2, a second through hole located at the same axis as the first through hole is provided inside the fixing component 1, the second through hole is matched with the outer wall of the pushing rod, the outer wall of the arc moving plate is attached to the inner wall of the displacement component 2, and the piston pushing plate drives the pushing rod to move when the piston pushing plate is pushed by hydraulic oil, so as to drive the arc moving plate to move, and drive the first brake pad 3 and the second brake pad 5 to move when the arc moving plate moves, so that the attaching force of the first brake pad 3 and the second brake pad 5 to the brake drum is increased, thereby resulting in better braking effect.
Referring to fig. 1, a first chute matched with an arc lifting plate 7 is disposed in the fixing member 1, the outer wall of the piston plate 8 is attached to the inner wall of the first piston box 10, the bottom end of the piston plate 8 is elastically connected with the bottom end of the inner wall of the first piston box 10 through a third return spring 9, and the above structural design facilitates the movement of the displacement member 2 and drives the movement of hydraulic oil in the first piston box 10 through the arc lifting plate 7 and the piston plate 8.
Referring to fig. 1, one end of the oil guide pipe 11 penetrates through the outer wall of the first piston case 10 to the inner wall of the first piston case 10, the other end of the oil guide pipe 11 penetrates through the outer wall of the second piston case 12 to the inner wall of the second piston case 12, a sealing member is disposed at a contact position of the oil guide pipe 11 and the first piston case 10, and a sealing member is disposed at a contact position of the second piston case 12 and the oil guide pipe 11, so that hydraulic oil in the first piston case 10 and the second piston case 12 can flow through the oil guide pipe 11.
Referring to fig. 3-5, a second chute matched with the second brake pad 5 is disposed in the displacement member 2, a third chute matched with the second brake pad 5 is disposed in the first brake pad 3, and the above structure is convenient for rapidly dissipating heat generated when the second brake pad 5 is not in use and the third chute brakes the first brake pad 3, and when the second brake pad 5 is in use, the second brake pad 5 can be moved to the same horizontal level with the first brake pad 3 through the third chute, so that the contact area between the first brake pad 3 and the second brake pad 5 and the brake drum is increased, thereby increasing the braking effect of the device body.
Please refer to fig. 4 and 5 with emphasis, the thickness of the top end of the second brake pad 5 is greater than the thickness of the bottom end of the second brake pad 5, the second brake pad 5 is in an arc shape, the structure is convenient for long-time use of the second brake pad 5, and the number of times of using the top end of the second brake pad 5 is more, so that the loss of the top end of the second brake pad 5 is more than that of the bottom end, and the thickness of the top end of the second brake pad 5 is higher than that of the bottom end of the second brake pad, so as to effectively extend the service life of the second brake pad 5.
Referring to fig. 2 and 3, a limiting step is arranged at the bottom end of the displacement component 2, the bottom end of the first brake pad 3 is elastically connected with the limiting step through a first return spring 4, the bottom end of the second brake pad 5 is elastically connected with the limiting step through a second return spring 6, and the above structure is convenient for the first brake pad 3 and the second brake pad 5 to return through the first return spring 4 and the second return spring 6.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a high-efficient brake drum brake piece of compensating wearing and tearing, includes fixed part (1), its characterized in that: the outer wall of the fixed part (1) is connected with a displacement part (2), the outer wall of the displacement part (2) is connected with a first brake block (3), the bottom end of the first brake block (3) is connected with a first return spring (4), the inside of the displacement part (2) is provided with a second brake block (5), the bottom end of the second brake block (5) is provided with a second return spring (6), the bottom end of the displacement part (2) is provided with an arc lifting plate (7), the bottom end of the arc lifting plate (7) is fixedly provided with a piston plate (8), the bottom end of the piston plate (8) is connected with a third return spring (9), the bottom end of the third return spring (9) is provided with a first piston box (10) for containing hydraulic oil, the outer wall of the first piston box (10) is connected with an oil guide pipe (11) for transmitting the hydraulic oil, one end of the second piston box (12) far away from the first piston box (10) is fixedly provided with a second piston box (12), the inside of the second piston box (12) is provided with a pushing part (13), the inside of the second piston box (12) is provided with a second brake block (5), the inside of the second brake block (5) is matched with the second brake block (5), the thickness of the top end of the second brake block (5) is larger than that of the bottom end of the second brake block (5), the second brake block (5) is in an arc shape integrally, a limiting step is arranged at the bottom end of the displacement component (2), the bottom end of the first brake block (3) is elastically connected with the limiting step through a first reset spring (4), and the bottom end of the second brake block (5) is elastically connected with the limiting step through a second reset spring (6).
2. A wear-compensating high-efficiency brake drum brake pad as defined in claim 1, wherein: the pushing component (13) comprises a piston pushing plate, a pushing rod and an arc-shaped moving plate, the outer wall of the piston pushing plate is attached to the inner wall of a second piston box (12), a first through hole matched with the pushing rod is formed in one side, close to the displacement component (2), of the second piston box (12), a second through hole which is located at the same axis with the first through hole is formed in the fixing component (1), the second through hole is matched with the outer wall of the pushing rod, and the outer wall of the arc-shaped moving plate is attached to the inner wall of the displacement component (2).
3. A wear-compensating high-efficiency brake drum brake pad as defined in claim 1, wherein: the inside of fixed part (1) is provided with the first spout with arc lifter plate (7) assorted, the outer wall of piston board (8) is laminated with the inner wall of first piston case (10), the bottom of piston board (8) is through third reset spring (9) elastic connection with the inner wall bottom of first piston case (10).
4. A wear-compensating high-efficiency brake drum brake pad as defined in claim 1, wherein: one end of the oil guide pipe (11) penetrates through the outer wall of the first piston box (10) to the inner wall of the first piston box (10), the other end of the oil guide pipe (11) penetrates through the outer wall of the second piston box (12) to the inner wall of the second piston box (12), a sealing piece is arranged at the contact position of the oil guide pipe (11) and the first piston box (10), and a sealing piece is arranged at the contact position of the second piston box (12) and the oil guide pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210031122.1A CN114483842B (en) | 2022-01-12 | 2022-01-12 | High-efficiency brake drum brake sheet capable of compensating abrasion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210031122.1A CN114483842B (en) | 2022-01-12 | 2022-01-12 | High-efficiency brake drum brake sheet capable of compensating abrasion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114483842A CN114483842A (en) | 2022-05-13 |
| CN114483842B true CN114483842B (en) | 2024-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210031122.1A Active CN114483842B (en) | 2022-01-12 | 2022-01-12 | High-efficiency brake drum brake sheet capable of compensating abrasion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114483842B (en) |
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