CN215762923U - Wedge ejector rod type rear brake assembly - Google Patents
Wedge ejector rod type rear brake assembly Download PDFInfo
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- CN215762923U CN215762923U CN202121076272.1U CN202121076272U CN215762923U CN 215762923 U CN215762923 U CN 215762923U CN 202121076272 U CN202121076272 U CN 202121076272U CN 215762923 U CN215762923 U CN 215762923U
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Abstract
The utility model discloses a wedge ejector rod type rear brake assembly, which relates to the technical field of brakes and comprises a brake lining, a bottom plate, a brake shoe, an adjusting structure for improving safety, a warning mechanism for reminding excessive wear and a protective structure for reducing use cost. The utility model increases the stability of the rotating rod by the threaded bolt and the threaded groove through the arrangement of the adjusting structure, and simultaneously can change the brake clearance through the rotation of the rotating rod, so that the brake clearance is in the optimal clearance value, thereby keeping good brake efficiency and improving safety.
Description
Technical Field
The utility model relates to the technical field of brakes, in particular to a wedge ejector rod type rear brake assembly.
Background
Because passenger car usually only is by front wheel or rear wheel drive, therefore front and rear wheel can be loaded with corresponding stopper altogether to reach optimum braking effect, the stopper divide into disc brake and drum brake, drum brake is often used in the rear wheel, and the slide wedge ejector pin formula in the drum brake is widely used because of its braking effect is good, but current slide wedge ejector pin formula rear brake assembly still has certain defect:
traditional slide wedge ejector pin formula rear brake assembly in the in-service use, the long-time driving braking of vehicle can make the brake block produce wearing and tearing, and the brake clearance increases to lead to the braking time to increase, the security is low, to above-mentioned problem, the deep research, it has the present case to produce to tunnel.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a tapered wedge push rod type rear brake assembly to solve the problem of low safety in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a wedge ejector rod type rear brake assembly comprises a brake lining, a bottom plate, a brake shoe, an adjusting structure for improving safety, a warning mechanism for reminding excessive wear and a protective structure for reducing use cost, wherein a brake wheel cylinder is arranged at the middle position of the upper end of one end of the bottom plate, and the adjusting structure is arranged at the middle position of the lower end of one end, close to the brake wheel cylinder, of the bottom plate;
brake shoes are arranged at one ends of the bottom plates on two sides of the brake wheel cylinder, and the protection structure is arranged at the upper end of one side, close to the brake wheel cylinder, of each brake shoe;
brake linings are mounted at the lower end and the upper end of one side, far away from the brake wheel cylinder, of the brake shoe, and the warning mechanism is arranged in the middle of one side, close to the brake linings, of the brake shoe.
Preferably, adjust the structure and include the support, the support sets up in the bottom plate and is close to brake wheel cylinder one end lower extreme intermediate position department, and brake wheel cylinder's inside rotation is connected with the bull stick, the fixed slot has been seted up to the both sides of bull stick, and the inside one side of fixed slot installs the screw thread seat, the inside of screw thread seat runs through there is the lead screw that matches with the screw thread seat, the connecting plate is installed through the bearing to the one end of lead screw, and one side of connecting plate is articulated through the lower extreme of connecting rod and brake shoe one side, the thread groove has been seted up to the both sides annular equidistant on bull stick surface.
Preferably, a fixing plate is installed at one end, far away from the bottom plate, of the support, positioning holes are formed in two sides of one end of the fixing plate, and threaded bolts penetrate through the positioning holes.
Preferably, the warning mechanism includes movable plate, threaded rod, connecting block, pressure sensor and screw hole, the threaded rod sets up in the both ends that the brake shoe is close to brake lining one side intermediate position department, and the movable plate has been seted up at the both ends of threaded rod one side, the movable plate is inside run through have with movable plate assorted threaded rod, and the one end of threaded rod rotates with brake shoe one side to be connected, the movable plate is kept away from one side of brake shoe and is installed the connecting block, and one side of connecting block installs pressure sensor.
Preferably, protective structure includes fixing base, gasket and fixed block, the fixing base sets up in the upper end that the brake shoe is close to brake wheel cylinder one side, and the fixing base is close to one side of brake wheel cylinder and installs the fixed block, the surface of fixed block is provided with the gasket.
Preferably, the fixed blocks are hemispherical, and the fixed blocks are symmetrically distributed about the vertical central axis of the bottom plate.
Preferably, one end of the threaded bolt extends to the inside of the threaded groove, and the internal thread of the threaded groove is matched with the external thread of the threaded bolt.
Compared with the prior art, the wedge ejector rod type rear brake assembly provided by the utility model has the following beneficial effects:
1. the utility model provides a rotating rod, a brake shoe, a screw rod, a connecting plate, a threaded bolt, a positioning hole and a threaded groove, wherein the threaded bolt is rotationally taken down by utilizing the threaded fit of the threaded bolt and the threaded groove, the rotating rod is rotated, the screw rod drives the lower ends of the connecting plate and the brake shoe to move towards two sides under the action of a threaded seat, so that a brake gap is reduced, the threaded bolt penetrates through the positioning hole and then is screwed into the threaded groove at the corresponding position, the stability of the rotating rod is increased, the brake gap is changed by rotating the rotating rod, so that the brake gap is in the optimal gap value, good brake efficiency is kept, and the problem of low safety is solved;
2. the utility model provides a brake lining, a threaded rod, a pressure sensor and a threaded hole, wherein the pressure sensor is used for detecting whether pressure exceeds a set threshold value, if the pressure sensor gives an alarm to a driver through a control console of a vehicle, the driver is reminded of replacing the brake lining in time, the threaded rod can be rotated by the driver, and a moving plate is moved leftwards or rightwards under the action of the threaded hole, so that the distance between the pressure sensor and the surface of the brake lining is changed, the warning thickness is set automatically, meanwhile, the brake lining with different thicknesses can be subjected to wear warning, the degree of platform formation is high, and the problem that the wear cannot be intelligently reminded is solved;
3. the utility model provides a brake shoe, a fixed seat, a gasket, a fixed block and a brake wheel cylinder, wherein the brake shoe is in rolling contact with a piston of the brake wheel cylinder in the braking process by utilizing the hemispherical design of the fixed block, so that the brake shoe is prevented from being deformed by the acting force of the brake wheel cylinder, the contact resistance of the fixed block and the brake wheel cylinder is increased by the gasket, the brake shoe and the brake wheel cylinder can be prevented from being damaged by contact, the fixed block can be conveniently taken down and replaced by a new gasket through the bolt fixation on the fixed seat, the use cost is reduced, and the problem of high use cost is solved.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic bottom sectional view of the present invention;
FIG. 3 is a schematic side sectional view of the present invention;
FIG. 4 is a schematic top sectional view of the warning mechanism of the present invention;
FIG. 5 is a schematic view of the structure at A of FIG. 1 according to the present invention.
In the figure: 1. a brake lining; 2. a base plate; 3. a rotating rod; 4. a support; 5. a brake shoe; 6. a warning mechanism; 601. moving the plate; 602. a threaded rod; 603. connecting blocks; 604. a pressure sensor; 605. a threaded hole; 7. a protective structure; 701. a fixed seat; 702. a gasket; 703. a fixed block; 8. a brake wheel cylinder; 9. a threaded seat; 10. fixing grooves; 11. a screw rod; 12. a connecting plate; 13. a fixing plate; 14. a threaded bolt; 15. positioning holes; 16. a thread groove.
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.
Example 1: referring to fig. 1-5, a wedge ejector-rod type rear brake assembly includes a brake lining 1, a bottom plate 2, a brake shoe 5, an adjusting structure for improving safety, a warning mechanism 6 for reminding excessive wear, and a protective structure 7 for reducing use cost, wherein a brake wheel cylinder 8 is installed at the middle position of the upper end of one end of the bottom plate 2, and the adjusting structure is arranged at the middle position of the lower end of one end of the bottom plate 2, which is close to the brake wheel cylinder 8;
one end of the bottom plate 2 on two sides of the brake wheel cylinder 8 is provided with a brake shoe 5, and the protective structure 7 is arranged at the upper end of one side of the brake shoe 5 close to the brake wheel cylinder 8;
the lower end and the upper end of one side of the brake shoe 5, which is far away from the brake wheel cylinder 8, are provided with the brake lining 1, and the warning mechanism 6 is arranged at the middle position of one side of the brake shoe 5, which is close to the brake lining 1;
referring to fig. 1-5, the wedge push rod type rear brake assembly further comprises an adjusting structure, the adjusting structure comprises a support 4, the support 4 is arranged at a middle position of the bottom plate 2 close to the lower end of one end of the brake wheel cylinder 8, the interior of the brake wheel cylinder 8 is rotatably connected with a rotating rod 3, two sides of the rotating rod 3 are provided with fixing grooves 10, one side of the interior of each fixing groove 10 is provided with a threaded seat 9, a screw rod 11 matched with the threaded seat 9 penetrates through the interior of the threaded seat 9, one end of the screw rod 11 is provided with a connecting plate 12 through a bearing, one side of the connecting plate 12 is hinged with the lower end of one side of the brake shoe 5 through a connecting rod, and two sides of the surface of the rotating rod 3 are provided with threaded grooves 16 at equal intervals in an annular shape;
a fixing plate 13 is arranged at one end of the support 4 far away from the bottom plate 2, positioning holes 15 are formed in two sides of one end of the fixing plate 13, and threaded bolts 14 penetrate through the positioning holes 15;
one end of the threaded bolt 14 extends into the threaded groove 16, and the internal thread of the threaded groove 16 is matched with the external thread of the threaded bolt 14;
specifically, as shown in fig. 1 and 2, after long-term use, wear consumption of the brake lining 1 occurs, the brake clearance between the brake shoe 5 and the wheel hub increases, at this time, the threaded bolt 14 can be rotated and removed, the rotating rod 3 is rotated, the screw rod 11 drives the connecting plate 12 and the lower end of the brake shoe 5 to move towards two sides under the action of the threaded seat 9, so that the brake clearance is reduced, the threaded bolt 14 passes through the positioning hole 15 and then is screwed into the threaded groove 16 at the corresponding position, the stability of the rotating rod 3 is increased, the brake clearance is changed through rotation of the rotating rod 3, and the brake clearance is in the optimal clearance value, so that good braking efficiency is maintained, and safety is improved.
Example 2: the warning mechanism 6 comprises a moving plate 601, a threaded rod 602, a connecting block 603, a pressure sensor 604 and a threaded hole 605, wherein the threaded rod 602 is arranged at two ends of the middle position of one side of the brake shoe 5, which is close to the brake lining 1, the moving plate 601 is arranged at two ends of one side of the threaded rod 602, the threaded rod 602 matched with the moving plate 601 penetrates through the moving plate 601, one end of the threaded rod 602 is rotatably connected with one side of the brake shoe 5, the connecting block 603 is arranged at one side of the moving plate 601, which is far away from the brake shoe 5, the pressure sensor 604 is arranged at one side of the connecting block 603, the model of the pressure sensor 604 can be SI4-G, and the output end of the vehicle starting switch is electrically connected with the input end of the pressure sensor 604 through a lead;
specifically, as shown in fig. 1, 3, 4 and 5, when the brake lining 1 is worn to a certain extent, the pressure sensor 604 will contact with the wheel hub during braking, and will give an alarm to the driver through the vehicle console after detecting that the corresponding pressure exceeds a set threshold, so as to remind the driver to replace the brake lining 1 in time, and the driver can rotate the threaded rod 602, and the moving plate 601 moves left or right under the action of the threaded hole 605, so as to change the distance between the pressure sensor 604 and the surface of the brake lining 1, thereby changing the distance between the pressure sensor 604 and the surface of the brake lining 1, and being capable of performing wear warning on brake linings 1 with different thicknesses while automatically setting the warning thickness, and having a high degree of planarization.
Example 3: the protective structure 7 comprises a fixed seat 701, a gasket 702 and a fixed block 703, the fixed seat 701 is arranged at the upper end of one side, close to the brake wheel cylinder 8, of the brake shoe 5, the fixed block 703 is arranged at one side, close to the brake wheel cylinder 8, of the fixed seat 701, and the gasket 702 is arranged on the surface of the fixed block 703;
the fixing blocks 703 are hemispherical, and the fixing blocks 703 are symmetrically distributed about the vertical central axis of the bottom plate 2;
specifically, as shown in fig. 1, the hemispherical design of the fixed block 703 enables the brake shoe 5 to be in rolling contact with the piston of the brake wheel cylinder 8 in the process, so that the brake shoe 5 is prevented from being deformed by the acting force of the brake wheel cylinder 8, the contact resistance of the fixed block 703 and the brake wheel cylinder 8 is increased by the gasket 702, meanwhile, the brake shoe 5 and the brake wheel cylinder 8 can be prevented from being damaged by contact, the fixed block 703 can be conveniently removed and replaced by a new gasket 702 through bolt fixing on the fixed seat 701, and the use cost is reduced.
The working principle is as follows: when the device is used, firstly, a driver steps on a brake plate, a brake system inputs brake fluid into a brake wheel cylinder 8 from a brake master cylinder, pistons on two sides of the brake wheel cylinder 8 extend out under the action of hydraulic pressure, and a brake shoe 5 is pushed to two sides through a gasket 702 and a fixing block 703, so that a brake lining 1 on the brake shoe 5 is in contact with a hub, and the wheel is braked;
the first innovation point implementation step:
the first step is as follows: the hemispherical design of the fixed block 703 enables the brake shoe 5 to be in rolling contact with the piston of the brake wheel cylinder 8 in the process, so that the brake shoe 5 is prevented from being deformed by the acting force of the brake wheel cylinder 8;
the second step is that: the pad 702 increases the contact resistance between the fixed block 703 and the brake wheel cylinder 8, and can prevent the brake shoe 5 from being damaged by contact with the brake wheel cylinder 8;
the third step: the fixing block 703 can be conveniently taken down and replaced by a new gasket 702 through the bolt fixing on the fixing seat 701, so that the use cost is reduced.
Then, after the driver releases the brake plate, the pistons on the two sides of the brake wheel cylinder 8 retract, and the brake shoe 5 drives the brake lining 1 to return to the original position, so that a brake cycle is completed;
the implementation step of the second innovation point:
the first step is as follows: after long-time use, the brake lining 1 is worn and consumed, the brake clearance between the brake shoe 5 and the wheel hub is increased, and the threaded bolt 14 can be rotationally removed;
the second step is that: the rotating rod 3 is rotated, and the screw rod 11 drives the connecting plate 12 and the lower end of the brake shoe 5 to move towards two sides under the action of the threaded seat 9, so that the brake clearance is reduced;
the third step: the threaded bolt 14 passes through the positioning hole 15 and then is screwed into the threaded groove 16 at the corresponding position, so that the stability of the rotating rod 3 is improved, and the brake clearance is changed by rotating the rotating rod 3, so that the brake clearance is in the optimal clearance value, thereby keeping good braking efficiency and improving safety.
The third innovation point implementation step:
the first step is as follows: when the brake lining 1 is worn to a certain degree, the pressure sensor 604 can contact with the hub during braking, and can send an alarm to a driver through a control console of the vehicle after detecting that the corresponding pressure exceeds a set threshold value to remind the driver to replace the brake lining 1 in time;
the second step is that: and the driver can rotate the threaded rod 602, and the moving plate 601 moves leftwards or rightwards under the action of the threaded hole 605, so that the distance between the pressure sensor 604 and the surface of the brake lining 1 is changed, the brake lining 1 with different thicknesses can be subjected to wear warning while the warning thickness is set by the driver, and the degree of the platform is high.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A wedge ejector assembly comprising a brake lining (1), a base plate (2) and a brake shoe (5), characterized in that: the device also comprises an adjusting structure for improving the safety, a warning mechanism (6) for reminding excessive wear and a protective structure (7) for reducing the use cost;
a brake wheel cylinder (8) is mounted in the middle of the upper end of one end of the bottom plate (2), and the adjusting structure is arranged in the middle of the bottom plate (2) close to the lower end of one end of the brake wheel cylinder (8);
one end of the bottom plate (2) on two sides of the brake wheel cylinder (8) is provided with a brake shoe (5), and the protective structure (7) is arranged at the upper end of one side, close to the brake wheel cylinder (8), of the brake shoe (5);
brake lining (1) are installed to the lower extreme and the upper end of brake shoe (5) keep away from brake wheel cylinder (8) one side, warning mechanism (6) set up in brake shoe (5) and are close to the intermediate position department of brake lining (1) one side.
2. The tapered wedge ejector rear brake assembly of claim 1, wherein: the adjusting structure comprises a support (4), the support (4) is arranged at the middle position of the bottom plate (2) close to the lower end of one end of the brake wheel cylinder (8), the brake wheel cylinder (8) is connected with a rotating rod (3) in a rotating mode, fixing grooves (10) are formed in the two sides of the rotating rod (3), a threaded seat (9) is installed on one side of the inside of the fixing grooves (10), a screw rod (11) matched with the threaded seat (9) penetrates through the inside of the threaded seat (9), a connecting plate (12) is installed at one end of the screw rod (11) through a bearing, one side of the connecting plate (12) is hinged to the lower end of one side of the brake shoe (5) through a connecting rod, and threaded grooves (16) are formed in the two sides of the surface of the rotating rod (3) at equal intervals in an annular mode.
3. The tapered wedge ejector rear brake assembly of claim 2, wherein: the fixing plate (13) is installed at one end, far away from the bottom plate (2), of the support (4), positioning holes (15) are formed in two sides of one end of the fixing plate (13), and threaded bolts (14) penetrate through the positioning holes (15).
4. The tapered wedge ejector rear brake assembly of claim 1, wherein: warning mechanism (6) are including movable plate (601), threaded rod (602), connecting block (603), pressure sensor (604) and screw hole (605), threaded rod (602) set up in brake shoe (5) are close to the both ends of brake lining (1) one side intermediate position department, and the both ends of threaded rod (602) one side have seted up movable plate (601), movable plate (601) inside run through have with movable plate (601) assorted threaded rod (602), and the one end of threaded rod (602) is rotated with brake shoe (5) one side and is connected, connecting block (603) are installed to one side that brake shoe (5) were kept away from in movable plate (601), and pressure sensor (604) are installed to one side of connecting block (603).
5. The tapered wedge ejector rear brake assembly of claim 1, wherein: protective structure (7) include fixing base (701), gasket (702) and fixed block (703), fixing base (701) set up in brake shoe (5) are close to the upper end of brake wheel cylinder (8) one side, and fixing base (701) are close to brake wheel cylinder (8) one side and install fixed block (703), the surface of fixed block (703) is provided with gasket (702).
6. The tapered wedge ejector rear brake assembly of claim 5, wherein: the fixing blocks (703) are hemispherical, and the fixing blocks (703) are symmetrically distributed around the vertical central axis of the bottom plate (2).
7. A tapered wedge ejector-type rear brake assembly as defined in claim 3, wherein: one end of the threaded bolt (14) extends to the inside of the threaded groove (16), and the internal thread of the threaded groove (16) is matched with the external thread of the threaded bolt (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121076272.1U CN215762923U (en) | 2021-05-19 | 2021-05-19 | Wedge ejector rod type rear brake assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121076272.1U CN215762923U (en) | 2021-05-19 | 2021-05-19 | Wedge ejector rod type rear brake assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215762923U true CN215762923U (en) | 2022-02-08 |
Family
ID=80097526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121076272.1U Active CN215762923U (en) | 2021-05-19 | 2021-05-19 | Wedge ejector rod type rear brake assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215762923U (en) |
-
2021
- 2021-05-19 CN CN202121076272.1U patent/CN215762923U/en active Active
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