CN111779779A - Brake pad gap adjusting mechanism for automobile - Google Patents
Brake pad gap adjusting mechanism for automobile Download PDFInfo
- Publication number
- CN111779779A CN111779779A CN202010500759.1A CN202010500759A CN111779779A CN 111779779 A CN111779779 A CN 111779779A CN 202010500759 A CN202010500759 A CN 202010500759A CN 111779779 A CN111779779 A CN 111779779A
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- China
- Prior art keywords
- brake caliper
- brake
- adjusting
- piston
- disc
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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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Classifications
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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
- F16D65/38—Slack adjusters
- F16D65/40—Slack adjusters mechanical
- F16D65/52—Slack adjusters mechanical self-acting in one direction for adjusting excessive play
- F16D65/54—Slack adjusters mechanical self-acting in one direction for adjusting excessive play by means of direct linear adjustment
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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
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
- F16D55/228—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a separate actuating member for each side
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to the technical field of intelligent automobiles, and discloses a brake pad clearance adjusting mechanism for an automobile, which comprises a brake caliper body, wherein a piston end is arranged in the brake caliper body, an adjusting disc is respectively bonded and connected with one side of the inner wall of the brake caliper body and the piston end, a hydraulic groove is formed in the adjusting disc, an adjusting piston is connected in the hydraulic groove in a sliding manner, one end of the adjusting piston extends to the outer side of the adjusting disc and is fixedly provided with a brake caliper, the hydraulic oil in the hydraulic groove pushes the adjusting piston to move, the adjusting piston pushes the brake caliper to move towards the direction of a brake disc at the moment, so that the clearance between the left brake caliper, the right brake caliper and the brake disc can be adjusted to be always kept in a proper interval, the condition of partial braking of the automobile is prevented, potential safety hazards are eliminated, and the stroke of a driving brake piston is not changed, the required brake pressure oil is unchanged, and the response time of braking is fixed, so that the potential safety hazard is eliminated.
Description
Technical Field
The invention relates to the technical field of intelligent automobiles, in particular to a brake pad gap adjusting mechanism for an automobile.
Background
Disc brakes are mainly of the caliper disc type and the full disc type, the former being more commonly used. The rotating element of the caliper disc brake is a brake disc and the fixed element is a brake caliper. It features that the brake blocks on both sides of braking disk are actuated by two hydraulic cylinders. The caliper disc brake is divided into a fixed caliper disc brake and a floating caliper disc brake. The brake is completed by the intense friction between the brake caliper, which is also called as a brake pad, when the brake is used for a long time, the brake caliper is gradually worn and thinned, the travel of a service brake piston is lengthened, the required brake pressure oil is increased, the response time of the brake is lengthened, and unsafe factors are brought to the service.
The existing brake system is generally provided with a service piston return device, so that the additional abrasion and the retention power loss of a brake can be reduced.
When service braking, the frequent turning brake makes about can produce the inconsistent condition of two brake caliper wearing and tearing under the circumstances such as the unbalanced wheel atress and brake wheel cylinder return inconsistency, but the clearance between brake caliper and the braking piece about the unable automatic adjustment of driving piston return means leads to the car the condition of stopping partially to appear, brings the potential safety hazard.
Disclosure of Invention
Aiming at the defects of the existing brake caliper in the use process in the background technology, the invention provides the brake pad gap adjusting mechanism for the automobile, which has the advantages of automatically adjusting the gap between the left and right brake calipers and the brake pad and preventing the automobile from being braked partially, and solves the problems in the background technology.
The invention provides the following technical scheme: the utility model provides a brake block clearance adjustment mechanism for car, includes the brake caliper body, the inside piston end that is provided with of brake caliper body, piston end and the equal adhesive connection in one side of brake caliper body inner wall have the adjustment disc, the hydraulic groove has been seted up to the inside of adjustment disc, the inside sliding connection in hydraulic groove has the adjustment piston, the one end of adjustment piston extends to the outside and the fixed mounting of adjustment disc has the brake caliper, the inside of brake caliper is inlayed and is had the separation sleeve, the inside fixed mounting of separation sleeve has the circular telegram conductor, the fixed slot has been seted up to one side that the adjustment disc is close to the brake caliper, the inside fixed mounting that the brake caliper is close to one side of adjustment disc and is located the fixed slot has the protective housing, the inside fixed mounting of protective housing has hall element, one side fixed.
Preferably, the power output end of the current supply conductor is electrically connected to the input end of the hall element.
The invention has the following beneficial effects:
1. according to the invention, the hydraulic groove and the adjusting piston are arranged, hydraulic oil in the hydraulic groove pushes the adjusting piston to move, and the adjusting piston pushes the brake caliper to move towards the brake disc, so that the gap between the left brake caliper and the brake disc can be adjusted to be always maintained in a proper interval, the condition of inclined braking of an automobile is prevented, the potential safety hazard is eliminated, the stroke of the driving brake piston is unchanged, required brake pressure oil is unchanged, and the response time of braking is fixed, so that the potential safety hazard is eliminated.
2. The invention is provided with the permanent magnet, the Hall element and the electrified conductor, when the brake caliper is worn, the length of the electrified conductor is gradually shortened along with the wear, the voltage value input by the input end of the electrified conductor is constant, the electrified conductor is reduced, the resistance value of the electrified conductor is reduced, so that the current of the output end of the electrified conductor is increased, the current input by the output end of the electrified conductor is increased, the current is input into the input end of the Hall element by the output end of the electrified conductor, and simultaneously, because the magnetic field intensity applied by the permanent magnet to the Hall element is not changed, the potential difference generated by the Hall element is set to be phi, so that the minimum precision value of the wear of the brake caliper can be obtained, the distance for pushing the brake caliper to move once by adjusting the piston is the minimum precision value of the wear of the brake caliper, the gap distance between the brake caliper and a brake disc, the response time of braking is fixed, thereby eliminating potential safety hazard.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the brake caliper of the present invention;
fig. 3 is a cross-sectional view of the conditioning disk of the present invention.
In the figure: 1. a caliper body; 2. a piston end; 3. adjusting the disc; 4. a hydraulic tank; 5. adjusting the piston; 6. a brake caliper; 7. a protective shell; 8. a Hall element; 9. fixing grooves; 10. a permanent magnet; 11. an isolation sleeve; 12. and a current-carrying conductor.
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.
Referring to fig. 1-3, a brake pad clearance adjusting mechanism for an automobile comprises a brake caliper body 1, a piston end 2 is arranged inside the brake caliper body 1, an adjusting disc 3 is adhesively connected between the piston end 2 and one side of the inner wall of the brake caliper body 1, a hydraulic groove 4 is arranged inside the adjusting disc 3, the hydraulic groove 4 is connected with a hydraulic mechanism arranged outside the mechanism through an oil pipe, the hydraulic mechanism is composed of a hydraulic cavity and a hydraulic pump, which is an application of the prior art, an adjusting piston 5 is slidably connected inside the hydraulic groove 4, one end of the adjusting piston 5 extends to the outer side of the adjusting disc 3 and is fixedly provided with a brake caliper 6, an isolating sleeve 11 is embedded inside the brake caliper 6, a current conductor 12 is fixedly arranged inside the isolating sleeve 11, the isolating sleeve 11 is made of PLA material, and wraps the current conductor 12, so that the influence of the current conductor 12 on the brake caliper 6 can be effectively prevented, therefore, the phenomenon that the brake caliper 6 slips due to impurities adsorbed on the surface of the brake caliper 6 is prevented, meanwhile, the voltage value input by the input end of the electrified conductor 12 is set to be constant, the length of the electrified conductor 12 is gradually shortened along with the abrasion of the brake caliper 6, the resistance value of the electrified conductor 12 is reduced due to the constant voltage value input by the input end of the electrified conductor 12 and the reduction of the length of the electrified conductor 12, from I being U/R, when the resistance R is reduced and the voltage U is unchanged, the I current is increased, the increase of the output end current of the electrified conductor 12 can be obtained, the fixing groove 9 is formed in one side, close to the brake caliper 6, of the adjusting disc 3, the protective shell 7 is fixedly installed in the fixing groove 9, the Hall element 8 is fixedly installed in the protective shell 7, and the protective shell 7 is made of asbestos, prevent the heat generated when the brake caliper 6 rubs with the brake disc from influencing the hall element 8, prevent the outside temperature from influencing the hall element 8 when the hall effect is performed, and thus influence the process of generating current, one side of the protective shell 7 is fixedly provided with a permanent magnet 10, the output end of the electrified conductor 12 inputs the increased current into the input end of the hall element 8, and simultaneously, because the magnetic field intensity applied by the permanent magnet 10 to the hall element 8 is unchanged, the potential difference between the current generated by the hall element 8 and the current generated by the hall element 8 in the previous time (when the electrified conductor 12 is not worn) is set to be phi, the phi value can be measured by a power measuring instrument such as a potential difference meter, the minimum precision value of the wear of the brake caliper 6 can be determined according to the minimum precision value of the used instrument, namely, the wear degree reaches the minimum precision value that the instrument can detect, thereby the brake caliper 6 is pushed to move according to the minimum precision value, the distance of the brake caliper 6 pushed by the hydraulic mechanism is the minimum precision value of the abrasion of the brake caliper 6, so that the clearance distance between the brake caliper 6 and the brake disc is constant.
The power output end of the current conductor 12 is electrically connected to the input end of the hall element 8, the output end of the current conductor 12 inputs a current to the input end of the hall element 8, and since the magnetic field intensity applied to the hall element 8 by the permanent magnet 10 is not changed, the potential difference generated by the hall element 8 is phi, so that the minimum precision value of abrasion of the brake caliper 6 can be obtained, and the brake caliper 6 can be moved.
The using method of the invention is as follows: when the automobile brakes, the two brake calipers 6 are worn to a certain degree, and the wear degree of the two brake calipers 6 is affected by the inconsistent turning brake and the return of the brake cylinder, so that the wear degree of the left and right brake calipers 6 is different, by utilizing the characteristic that the brake calipers 6 are worn gradually when being worn, after one brake caliper 6 is worn, the length of the electrified conductor 12 is gradually shortened along with the wear, because the voltage value input by the input end of the electrified conductor 12 is constant, and because the length of the electrified conductor 12 is reduced, the resistance value of the electrified conductor 12 is reduced, I is U/R, it can be known that when the resistance R is reduced, the voltage U is not changed, the I current is increased, and therefore, the current increase of the output end of the electrified conductor 12 is pushed out, at the moment, the current is input into the input end of the Hall element 8, and simultaneously, because the magnetic field intensity applied to the Hall element 8 by the permanent, so the potential difference that hall element 8 produced sets to phi, can obtain the minimum precision value of brake caliper 6 wearing and tearing from this, simultaneously through control hydraulic pressure mechanism to the inside certain hydraulic oil of 4 inputs of hydraulic pressure groove, the hydraulic oil of 4 insides in hydraulic pressure groove promotes adjusting piston 5 and removes brake caliper 6 this moment, the minimum precision value that makes the distance quota compensation of brake caliper 6 removal correspond brake caliper 6 wearing and tearing is this for a quota compensation, then make brake caliper 6 carry out several times action in succession thereby compensate the position of brake caliper 6 wearing and tearing, thereby make the clearance distance of brake caliper 6 and brake disc invariable, two left and right sides brake caliper 6 all can carry out clearance adjustment according to above-mentioned step, avoid appearing the inconsistent condition of two brake caliper 6 wearing and tearing, thereby lead to the partial brake accident to appear.
For ease of understanding, the following supplement hall element principles:
the Hall element consists of a Hall piece and 4 leads, two leads are welded on two end faces in the length direction, a magnetic field is applied in a direction perpendicular to the current direction for controlling the current input lead, the two side faces of the Hall piece have transverse potential difference, and the potential difference is output by the other two leads.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (2)
1. The utility model provides a brake block clearance guiding mechanism for car, includes the brake caliper body (1), its characterized in that: the brake caliper comprises a brake caliper body (1), a piston end (2) is arranged inside the brake caliper body (1), an adjusting disc (3) is connected to one side of the inner wall of the brake caliper body (1) in a bonding mode, a hydraulic groove (4) is formed in the adjusting disc (3), an adjusting piston (5) is connected to the inside of the hydraulic groove (4) in a sliding mode, one end of the adjusting piston (5) extends to the outer side of the adjusting disc (3) and is fixedly provided with a brake caliper (6), an isolating sleeve (11) is embedded into the brake caliper (6), an electrified conductor (12) is fixedly installed inside the isolating sleeve (11), a fixing groove (9) is formed in one side, close to the brake caliper (6), of the adjusting disc (3) of the brake caliper (6) and located inside of the fixing groove (9), a protective shell (7) is fixedly installed inside the protective shell (7), and a Hall element (8) is fixedly installed inside the protective shell (7), and a permanent magnet (10) is fixedly arranged on one side of the protective shell (7).
2. The brake pad gap adjustment mechanism for an automobile according to claim 1, wherein: and the power output end of the electrified conductor (12) is electrically connected with the input end of the Hall element (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010500759.1A CN111779779A (en) | 2020-06-04 | 2020-06-04 | Brake pad gap adjusting mechanism for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010500759.1A CN111779779A (en) | 2020-06-04 | 2020-06-04 | Brake pad gap adjusting mechanism for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111779779A true CN111779779A (en) | 2020-10-16 |
Family
ID=72754618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010500759.1A Pending CN111779779A (en) | 2020-06-04 | 2020-06-04 | Brake pad gap adjusting mechanism for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111779779A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0173658A2 (en) * | 1984-06-27 | 1986-03-05 | AB Hägglund & Söner | Brake pad for disk brakes |
| FR2574508A1 (en) * | 1984-12-11 | 1986-06-13 | Renault | Friction lining wear detector |
| US4606435A (en) * | 1984-09-10 | 1986-08-19 | General Motors Corporation | Brake lining wear sensor and indicator circuit |
| DE3905190C1 (en) * | 1989-02-21 | 1990-05-10 | Leopold Kostal Gmbh & Co Kg, 5880 Luedenscheid, De | Sensor device |
| US6250429B1 (en) * | 1998-10-09 | 2001-06-26 | Meritor Heavy Vehicle Systems Llc | Brake shoe assembly having a resistive brake lining wear sensor |
| US20070158142A1 (en) * | 2003-12-17 | 2007-07-12 | Aleksander Hurwic | Method and device for monitoring the application of a motor vehicle automatic parking brake |
| KR20130102922A (en) * | 2012-03-08 | 2013-09-23 | 현대모비스 주식회사 | Compensation apparatus for spindle tolerance of electro-mechanical brake system |
| DE102017128595A1 (en) * | 2017-12-01 | 2019-06-06 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Disc brake with a condition monitoring arrangement and method for condition monitoring of such a disc brake |
| CN109915511A (en) * | 2019-04-15 | 2019-06-21 | 湖北科技学院 | A kind of automobile disk-type braking system |
| CN110667533A (en) * | 2019-11-06 | 2020-01-10 | 杭叉集团股份有限公司 | Hydraulic clearance self-adjusting mechanism and forklift braking system |
-
2020
- 2020-06-04 CN CN202010500759.1A patent/CN111779779A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0173658A2 (en) * | 1984-06-27 | 1986-03-05 | AB Hägglund & Söner | Brake pad for disk brakes |
| US4606435A (en) * | 1984-09-10 | 1986-08-19 | General Motors Corporation | Brake lining wear sensor and indicator circuit |
| FR2574508A1 (en) * | 1984-12-11 | 1986-06-13 | Renault | Friction lining wear detector |
| DE3905190C1 (en) * | 1989-02-21 | 1990-05-10 | Leopold Kostal Gmbh & Co Kg, 5880 Luedenscheid, De | Sensor device |
| US6250429B1 (en) * | 1998-10-09 | 2001-06-26 | Meritor Heavy Vehicle Systems Llc | Brake shoe assembly having a resistive brake lining wear sensor |
| US20070158142A1 (en) * | 2003-12-17 | 2007-07-12 | Aleksander Hurwic | Method and device for monitoring the application of a motor vehicle automatic parking brake |
| KR20130102922A (en) * | 2012-03-08 | 2013-09-23 | 현대모비스 주식회사 | Compensation apparatus for spindle tolerance of electro-mechanical brake system |
| DE102017128595A1 (en) * | 2017-12-01 | 2019-06-06 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Disc brake with a condition monitoring arrangement and method for condition monitoring of such a disc brake |
| CN109915511A (en) * | 2019-04-15 | 2019-06-21 | 湖北科技学院 | A kind of automobile disk-type braking system |
| CN110667533A (en) * | 2019-11-06 | 2020-01-10 | 杭叉集团股份有限公司 | Hydraulic clearance self-adjusting mechanism and forklift braking system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201016 |
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| RJ01 | Rejection of invention patent application after publication |