CN114483842A - High-efficient brake drum of compensable wearing and tearing piece of stopping - Google Patents
High-efficient brake drum of compensable wearing and tearing piece of stopping Download PDFInfo
- Publication number
- CN114483842A CN114483842A CN202210031122.1A CN202210031122A CN114483842A CN 114483842 A CN114483842 A CN 114483842A CN 202210031122 A CN202210031122 A CN 202210031122A CN 114483842 A CN114483842 A CN 114483842A
- Authority
- CN
- China
- Prior art keywords
- brake pad
- piston
- wall
- brake
- bottom end
- 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.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 43
- 239000003921 oil Substances 0.000 claims description 21
- 239000010720 hydraulic oil Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005299 abrasion Methods 0.000 abstract description 5
- 238000010030 laminating Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
Images
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
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- 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
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 fixed part, wherein the outer wall of the fixed 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 return 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 return spring. According to the invention, the fixing component, the displacement component, the first brake pad, the second brake pad and the pushing component are arranged, so that the third sliding groove can quickly dissipate heat generated by the first brake pad when the second brake pad is not used, and when the second brake pad is used, the second brake pad can move to the horizontal pad which is positioned at the same transverse direction with the first brake pad through the third sliding groove, so that the contact area between the first brake pad and the brake drum and the contact area between the second brake pad and the brake drum are 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 braking sheet capable of compensating abrasion.
Background
A drum brake is composed of rotary part, fixing part, actuating part and locating regulator, which is composed of connecting rod, spring, pin and drum, including bottom plate, pump and shoe, etc. its advantages are high reactivity and stability, better heat dissipation, and easy replacement, low cost and high absolute braking power, and is widely used for rear wheel of car, brake block, or brake block, the purpose is to insulate heat; the friction block is composed of friction material and adhesive, and is extruded on the brake disc and the brake drum to generate friction during braking, so that the aim of decelerating and braking the vehicle is fulfilled.
However, when the conventional brake drum brake sheet brakes the vehicle, no matter the vehicle is braked by inching or sudden braking, the contact area between the brake drum brake sheet and the brake drum in the vehicle is the same, and the effect when the emergency braking is needed to be carried out on the vehicle volume is to be improved.
Disclosure of Invention
The invention aims to: in order to solve the problems, the high-efficiency brake drum brake sheet capable of compensating abrasion is provided.
In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency brake drum brake pad capable of compensating abrasion comprises a fixed part, wherein the outer wall of the fixed part is connected with a displacement part, the outer wall of the displacement component is connected with a first brake block, the bottom end of the first brake block is connected with a first return spring, a second brake pad is arranged in the displacement component, a second return spring is arranged at the bottom end of the second brake pad, the bottom end of the displacement component is provided with an arc-shaped lifting plate, the bottom end of the arc-shaped lifting plate is fixed with a piston plate, the bottom end of the piston plate is connected with a third return spring, the bottom end of the third return spring is provided with a first piston box for containing hydraulic oil, the outer wall of the first piston box is connected with an oil guide pipe used for transmitting hydraulic oil, a second piston box is fixed at one end, far away from the first piston box, of the oil guide pipe, and a pushing component is arranged inside the second piston box.
Preferably, the pushing part is including piston push pedal, push rod, arc movable plate, the outer wall of piston push pedal and the inner wall laminating of second piston case, one side that second piston case is close to the displacement part is provided with the first through-hole with push rod assorted, the inside of fixed part is provided with the second through-hole that is located same axle center with first through-hole, the outer wall phase-match of second through-hole and push rod, the outer wall of arc movable plate and the inner wall laminating of displacement part.
Preferably, the inside of fixed part is provided with the first spout that matches with the arc lifter plate, the outer wall of piston board is laminated mutually with the inner wall of first piston box, the bottom of piston board passes through third reset spring elastic connection with the inner wall bottom of first piston box.
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 position where the oil guide pipe is in contact with the first piston box, and a sealing element is arranged at the position where the second piston box is in contact with the oil guide pipe.
Preferably, the inside of displacement part is provided with the second spout that matches with the second brake block, the inside of first brake block is provided with the third spout that matches with the second brake block.
Preferably, the thickness of the top end of the second brake block is greater than the thickness of the bottom end of the second brake block, and the second brake block is integrally arc-shaped.
Preferably, the bottom end of the displacement component is provided with a limit step, the bottom end of the first brake pad is elastically connected with the limit step through a first return spring, and the bottom end of the second brake pad is elastically connected with the limit step through a second return spring.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the fixing component, the displacement component, the first brake pad, the second brake pad, the first piston box, the second piston box and the pushing component are arranged, so that the third sliding groove can quickly dissipate heat generated when the first brake pad is braked when the second brake pad is not used, and when the second brake pad is used, the second brake pad can move to a horizontal pad which is positioned at the same transverse direction as the first brake pad through the third sliding groove, so that the contact area between the first brake pad and the brake drum and the contact area between the second brake pad and the brake drum are increased, and the braking effect of the device main body is increased; the pushing component drives the first brake pad and the second brake pad to move, so that the fitting force between the first brake pad and the brake drum and the fitting force between the second brake pad and the brake drum are increased, the braking effect is better, the top end of the second brake pad is more than the loss of the bottom end due to more times of using the top end of the second brake pad, the thickness of the top end of the second brake pad is higher than that of the bottom end of the second brake pad, and the service life of the second brake pad can be effectively prolonged; when a user needs to brake an automobile through the device main body, the fixing part moves transversely to drive the displacement part to move transversely, the displacement part moves to drive the first brake pad and the second brake pad to move, when the outer wall of the first brake pad is contacted with the brake drum, the first brake pad moves along with the brake drum to displace for a distance, so that the first brake pad is not locked at the first time when being contacted with the brake drum, the service life of the first brake pad is effectively prolonged, the first brake pad moves to extrude the first return spring, when the first return spring is extruded to the elastic limit, the displacement part is driven to move, the displacement part moves to drive the arc-shaped lifting plate to move, so as to drive the piston plate to move, the piston plate moves to drive hydraulic oil in the first piston box to move to the second piston box through the oil guide pipe, the hydraulic oil entering the second piston box drives the pushing part to move, the pushing part comprises piston push pedal, push rod, arc movable plate, and when the piston push pedal was promoted by hydraulic oil, the piston push pedal drove the push rod and removes to drive the arc movable plate and remove, drive first brake block and second brake block when the arc movable plate removed and remove, make first brake block and second brake block and brake drum laminating dynamics increase, thereby lead to the braking effect better.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the position structure of the displacement member and the first brake pad of the present invention;
FIG. 3 is a schematic view of the displacement member of the present invention;
FIG. 4 is a schematic structural diagram of a first brake pad of the present invention;
FIG. 5 is a schematic structural diagram of a second brake pad of 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-shaped 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. a pushing member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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", etc. 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. 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 otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.
Referring to fig. 1-5, a high-efficiency brake drum brake pad capable of compensating abrasion comprises a fixed component 1, a displacement component 2 is connected to the outer wall of the fixed component 1, a first brake pad 3 is connected to the outer wall of the displacement component 2, a first return spring 4 is connected to the bottom end of the first brake pad 3, a second brake pad 5 is arranged inside the displacement component 2, a second return spring 6 is installed at the bottom end of the second brake pad 5, an arc-shaped lifting plate 7 is arranged at the bottom end of the displacement component 2, a piston plate 8 is fixed to the bottom end of the arc-shaped lifting plate 7, a third return spring 9 is connected to 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 transmitting hydraulic oil is connected to the outer wall of the first piston box 10, a second piston box 12 is fixed to the end of the oil guide pipe 11 far away from the first piston box 10, a pushing part 13 is arranged in the second piston box 12;
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 in the structural design, so that heat generated when the first brake pad 3 is braked by the third sliding groove is quickly radiated when the second brake pad 5 is not used, when the second brake pad 5 is used, the second brake pad 5 can move to the horizontal piece which is positioned at the same position as the first brake pad 3 through the third sliding groove, the contact area between the first brake pad 3 and the brake drum and the contact area between the second brake pad 5 and the brake drum are increased, and the braking effect of the device main body is increased; the pushing component 13 drives the first brake block 3 and the second brake block 5 to move, so that the fitting force between the first brake block 3 and the brake drum and the fitting force between the second brake block 5 and the brake drum are increased, the brake effect is better, and the top end of the second brake block 5 is more than the bottom end of the second brake block 5 due to more times of use of the top end of the second brake block 5, the top end of the second brake block 5 is thicker than the bottom end of the second brake block, so that the service life of the second brake block 5 can be effectively prolonged;
when a user needs to brake an automobile through the device main body, the fixing part 1 transversely moves to drive the displacement part 2 to transversely move, the displacement part 2 moves to drive the first brake pad 3 and the second brake pad 5 to move, when the outer wall of the first brake pad 3 is contacted with a brake drum, the first brake pad 3 moves to follow one end of the displacement distance of the brake drum, so that the first brake pad 3 cannot be locked at the first time when being contacted with the brake drum, the service life of the first brake pad 3 is effectively prolonged, the first brake pad 3 moves to extrude the first return spring 4, when the first return spring 4 is extruded to the elastic limit, the displacement part 2 is driven to move, the displacement part 2 moves to drive the arc-shaped lifting plate 7 to move, so as to drive the piston plate 8 to move, the piston plate 8 moves to drive the inside of the first piston box 10 to move to the second piston box 12 through the oil guide pipe 11, get into the inside hydraulic oil drive of second piston case 12 and promote the part 13 and remove, promote the part and comprise piston push pedal, push rod, arc movable plate, when the piston push pedal is promoted by hydraulic oil, the piston push pedal drives the push rod and removes to drive the arc movable plate and remove, drive first brake block 3 and second brake block 5 when the arc movable plate removes and remove, make first brake block 3 and second brake block 5 and brake drum laminating dynamics increase, thereby lead to the braking effect better.
Please refer to fig. 1, the pushing component 13 includes a piston pushing plate, a pushing rod, and an arc moving plate, wherein an outer wall of the piston pushing plate is attached to an inner wall of the second piston box 12, a first through hole matched with the pushing rod is disposed on a side of the second piston box 12 close to the displacement component 2, a second through hole located on the same axis as the first through hole is disposed inside the fixing component 1, the second through hole is matched with an outer wall of the pushing rod, and an outer wall of the arc moving plate is attached to an inner wall of the displacement component 2.
Please refer to fig. 1, a first sliding slot matched with the arc lifting plate 7 is arranged inside the fixing component 1, an outer wall of the piston plate 8 is attached to an inner wall of the first piston box 10, a bottom end of the piston plate 8 is elastically connected to a bottom end of the inner wall of the first piston box 10 through a third return spring 9, and the above-mentioned structural design facilitates the movement of the displacement component 2 and simultaneously drives the movement of the hydraulic oil inside the first piston box 10 through the arc lifting plate 7 and the piston plate 8.
Please refer to fig. 1, one end of the oil conduit 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 conduit 11 penetrates through the outer wall of the second piston box 12 to the inner wall of the second piston box 12, a sealing member is disposed at a position where the oil conduit 11 contacts the first piston box 10, and a sealing member is disposed at a position where the second piston box 12 contacts the oil conduit 11.
Please refer to fig. 3-5, the inside of the displacement member 2 is provided with a second sliding slot matched with the second brake pad 5, the inside of the first brake pad 3 is provided with a third sliding slot matched with the second brake pad 5, the above structure is convenient for the third sliding slot to rapidly dissipate heat generated when the first brake pad 3 brakes when the second brake pad 5 is not used, when the second brake pad 5 is used, the third sliding slot can move to the horizontal pad which is located at the same position as the first brake pad 3, so that the contact area between the first brake pad 3 and the brake drum of the second brake pad 5 is increased, and the braking effect of the device main body is increased.
Please refer to fig. 4 and 5, 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 arc-shaped as a whole, the above structure is convenient for the long-term use of the second brake pad 5, because the number of times of the top end use of the second brake pad 5 is large, the top end of the second brake pad 5 is more than the loss of the bottom end, and the thickness of the top end of the second brake pad 5 is greater than the thickness of the bottom end thereof, the service life of the second brake pad 5 can be effectively extended.
Please refer to fig. 2 and fig. 3, the bottom end of the displacement member 2 is provided with a limit step, the bottom end of the first brake pad 3 is elastically connected with the limit step through a first return spring 4, and the bottom end of the second brake pad 5 is elastically connected with the limit step through a second return spring 6, so that the first brake pad 3 and the second brake pad 5 can be conveniently reset 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 attributes 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 (7)
1. A high-efficient brake drum of compensable wearing and tearing piece of stopping, 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 pad (3), the bottom end of the first brake pad (3) is connected with a first reset spring (4), a second brake pad (5) is arranged inside the displacement part (2), a second reset spring (6) is installed at the bottom end of the second brake pad (5), an arc-shaped lifting plate (7) is arranged at the bottom end of the displacement part (2), a piston plate (8) is fixed at the bottom end of the arc-shaped lifting plate (7), a third reset spring (9) is connected at the bottom end of the piston plate (8), a first piston box (10) used for containing hydraulic oil is arranged at the bottom end of the third reset spring (9), and an oil guide pipe (11) used for transmitting the hydraulic oil is connected to the outer wall of the first piston box (10), and a second piston box (12) is fixed at one end, far away from the first piston box (10), of the oil guide pipe (11), and a pushing component (13) is arranged in the second piston box (12).
2. The wear-compensating, high-efficiency brake drum brake pad of claim 1, wherein: the pushing component (13) is composed of a piston push plate, a push rod and an arc-shaped movable plate, the outer wall of the piston push plate is attached to the inner wall of a second piston box (12), one side, close to the displacement component (2), of the second piston box (12) is provided with a first through hole matched with the push rod, a second through hole located in the same axis with the first through hole is formed in the fixed component (1), the second through hole is matched with the outer wall of the push rod, and the outer wall of the arc-shaped movable plate is attached to the inner wall of the displacement component (2).
3. The wear-compensating, high-efficiency brake drum brake pad of 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 mutually with the inner wall of first piston case (10), the bottom of piston board (8) passes through third reset spring (9) elastic connection with the inner wall bottom of first piston case (10).
4. The wear-compensating, high-efficiency brake drum brake pad of claim 1, wherein: lead the inner wall of the outer wall of oil pipe (11) and run through first piston case (10) to first piston case (10), the other end of leading oil pipe (11) runs through the inner wall of the outer wall of second piston case (12) to second piston case (12), it is provided with the sealing member to lead oil pipe (11) and first piston case (10) position of contacting department, second piston case (12) and lead oil pipe (11) position of contacting department and be provided with the sealing member.
5. The wear-compensating, high-efficiency brake drum brake pad of claim 1, wherein: the inside of displacement part (2) is provided with the second spout with second brake block (5) assorted, the inside of first brake block (3) is provided with the third spout with second brake block (5) assorted.
6. The wear-compensating, high-efficiency brake drum brake pad of claim 1, wherein: the top thickness of second brake block (5) is greater than the thickness of the bottom of second brake block (5), second brake block (5) wholly presents the arc form.
7. The wear-compensating, high-efficiency brake drum brake pad of claim 1, wherein: the bottom of displacement part (2) is provided with spacing step, the bottom and the spacing step of first brake block (3) pass through first reset spring (4) elastic connection, the bottom and the spacing step of second brake block (5) pass through second reset spring (6) elastic connection.
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 true CN114483842A (en) | 2022-05-13 |
| CN114483842B CN114483842B (en) | 2024-03-12 |
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| 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 |
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|---|---|
| CN (1) | CN114483842B (en) |
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