CN210344113U - A lightweight brake clearance automatic adjusting arm and braking system - Google Patents
A lightweight brake clearance automatic adjusting arm and braking system Download PDFInfo
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- CN210344113U CN210344113U CN201921140740.XU CN201921140740U CN210344113U CN 210344113 U CN210344113 U CN 210344113U CN 201921140740 U CN201921140740 U CN 201921140740U CN 210344113 U CN210344113 U CN 210344113U
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- 238000009434 installation Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 2
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- 238000005299 abrasion Methods 0.000 description 1
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Abstract
The utility model relates to a light-weight brake clearance automatic adjusting arm and a brake system, which comprises a shell, a worm wheel and a worm meshed with the worm wheel are arranged in the shell, and a one-way clutch mechanism and a clearance adjusting mechanism for controlling the one-way clutch mechanism are connected on the worm; the adjusting arm is rotatably connected with the shell and is provided with a toothed ring; the one-way clutch mechanism includes: the first helical gear is positioned in the shell and sleeved on the extending end side of the worm; one end of the square wire torsion spring is fixed on the other side of the worm, and the other end of the square wire torsion spring is connected with the first bevel gear; the clearance adjustment mechanism includes: a second bevel gear set and a control arm transmission gear; the second bevel gear set is arranged in the shell and is in meshing transmission with the first bevel gear; the control arm transmission gear is coaxially fixed with the second bevel gear set and meshed with the gear ring; three grooves corresponding to three angles are arranged on the control arm transmission gear; the second bevel gear set is provided with a boss corresponding to any one groove, so that three different clearance angles of the adjusting arm are formed.
Description
Technical Field
The utility model relates to an automobile brake technical field, more specifically the utility model relates to a light weight type braking clearance automatic adjustment arm and braking system that says so.
Background
The existing automobile braking system is generally provided with a brake adjusting arm capable of automatically adjusting the clearance between the brake shoe and the brake drum, the adjusting arm can compensate the abrasion clearance between the brake drum and the brake shoe in the automobile braking process, so that the automobile braking clearance can be kept at a constant value, the automobile driving safety is improved, the existing domestic automatic adjusting arm is basically formed by two overrunning clutches, one-way clutch for controlling the brake clearance is adopted, an active helical gear in the clearance control device is meshed with a passive helical gear in a tooth type overrunning clutch, the left end of the active helical gear is provided with three fan-shaped lugs, the central angle of each fan-shaped lug is α, the right end of the fan-shaped lug is provided with a straight gear meshed with a sun gear, the left end of the fan-shaped helical gear is provided with three fan-shaped grooves, the central angle of each fan-shaped lug is provided with three fan-shaped helical grooves, the fan-shaped helical lugs is provided with a relatively high central angle of each fan-shaped lug, and the fan-shaped helical grooves are provided with relatively high rotational angle, so that the fan-shaped helical gear is applicable to the existing automobile braking system, and the conventional planetary gear system has relatively high brake adjustment cost of a relatively heavy fan-shaped planetary gear.
Therefore, how to provide an automatic adjusting arm to solve the above problems is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least
Therefore, an object of the present invention is to provide a light-weight brake clearance automatic adjustment arm, which solves the technical problems of the prior art, such as small adjustment range and poor versatility of the automatic adjustment arm.
The utility model provides a light weight type braking clearance automatic adjustment arm, include: the worm gear is arranged in the shell, the worm is meshed with the worm gear, and the worm is connected with a one-way clutch mechanism and a gap adjusting mechanism for controlling the one-way clutch mechanism; the adjusting arm is rotatably connected with the shell and is provided with a toothed ring;
the one-way clutch mechanism includes: the first helical gear is positioned in the shell and sleeved on the extending end side of the worm; one end of the square wire torsion spring is fixed on the other side of the worm, and the other end of the square wire torsion spring is connected with the first bevel gear;
the clearance adjustment mechanism includes: a second bevel gear set and a control arm transmission gear; the second helical gear set is arranged in the shell and is in staggered shaft meshing transmission with the first helical gear; the control arm transmission gear is coaxially fixed with the second bevel gear set and meshed with the gear ring;
the control arm transmission gear is provided with three grooves, the corresponding angles of the grooves are α, α 1 and α 2 respectively, the second bevel gear set is provided with a boss corresponding to any groove, the corresponding angle of the boss is β, and therefore the clearance angle gamma, gamma 1 or gamma 2 of the adjusting arm is formed.
According to the technical scheme, compared with the prior art, the utility model discloses a light weight type braking clearance automatic adjustment arm, at first, because one-way clutch mechanism and clearance adjustment mechanism's improvement, realized that the three recess that arranges on the control arm drive gear corresponds α angles, α 1 angles, α 2 angles respectively, have the boss that corresponds with arbitrary recess on the second bevel gear group, the boss corresponds the angle and is β, the clearance angle that forms the adjustment arm from this is gamma, gamma 1 or gamma 2, only a fixed clearance angle that can adapt to one or more motorcycle types from current automatic adjustment arm promptly, but can not adapt to more motorcycle types, the utility model discloses an improve, insert different recess assembly when the boss, can enough realize different clearance angles, from this automatic adjustment arm can cover 95% needs on the market, improved the commonality of adjustment arm.
Preferably, the pinion of first helical gear is close to square line torsional spring one side and is provided with the torque groove, and square line torsional spring one end is provided with the torque arm of being connected with the torque groove cooperation, the utility model discloses a square line torsional spring torque arm is fixed in the torque groove, has realized the one-way clutch effect according to its characteristic of turning to.
Preferably, the first helical gear is provided with a shaft retainer near the housing for limiting axial displacement of the first helical gear.
Preferably, the inner diameter of the square wire torsion spring is in interference fit with both the outer diameter of the first helical gear shaft and the outer diameter of the worm.
Preferably, a compression spring is arranged on the end face of one side, away from the square wire torsion spring, of the first bevel gear, and the compression spring is sleeved on the worm and is abutted against an end cover of the closed worm; the first helical gear and the worm are connected through the first helical gear and the second helical gear, and the first helical gear and the worm are connected through the second helical gear and the second helical gear.
Preferably, the second bevel gear set includes: the gear shaft, the second bevel gear and the return spring;
one end of the gear shaft is fixed with a second bevel gear, and the other end of the gear shaft is inserted into a central shaft hole of the control arm transmission gear to be fixed;
the end part of the second helical tooth is provided with a boss matched with the groove, and an β angle formed by the boss is a fixed value;
the return spring is fixedly connected between the second bevel gear and the control arm transmission gear.
The second bevel gear set and the control arm transmission gear are arranged in a gear shaft hole of the shell. The return spring is a torsion spring, one arm lever of the torsion spring is fixed with the second bevel gear, the other arm lever of the torsion spring is fixed with the control arm transmission gear, and after braking, the clearance angle gamma returns to the initial position by the spring characteristic of the torsion spring.
The automobile seat cover is characterized in that β is 55 degrees, α is 65 degrees, α is 70 degrees and α is 75 degrees, when the bosses are matched with different grooves, different clearance angles gamma are achieved, and the automobile seat cover covers the use requirements of an existing automobile.
Preferably, the first and second helical gears have a gear ratio of 24/14.
Preferably, the other end of the gear shaft is provided with a mounting groove, and a check ring is mounted in the mounting groove to prevent the second bevel gear from being separated from the control arm transmission gear.
The utility model also provides a braking system, which comprises the light-weight type braking clearance automatic adjusting arm; the automatic adjusting arm has the advantages that different groove assemblies are inserted into the bosses, different gap angles can be achieved, and therefore the automatic adjusting arm can cover 95% of vehicle type requirements in the market, and universality of the adjusting arm is improved. Secondly, because the utility model discloses relative prior art part is few, and simple structure has reduced the weight of automatic adjustment arm, has reached the requirement of lightweight design.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a front view of a light-weight brake clearance automatic adjusting arm according to the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 4 is an enlarged cross-sectional view of section C of FIG. 2;
fig. 5 is a schematic structural diagram of a second bevel gear set of a light-weight brake clearance automatic adjusting arm according to the present invention;
FIG. 6 is a cross-sectional view of the second bevel gear and control arm drive gear of FIG. 5 in mating relationship;
fig. 7 is a schematic structural diagram of a second bevel gear of a light-weight brake gap automatic adjusting arm according to the present invention;
fig. 8 is a side view of a control arm transmission gear of a light-weight brake clearance automatic adjusting arm according to the present invention;
fig. 9 is a side view of a first bevel gear of a light-weight automatic brake clearance adjusting arm according to the present invention;
fig. 10 is a schematic view of a square torsion spring of a light-weight brake clearance automatic adjusting arm according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The embodiment of the utility model discloses light weight type braking clearance automatic adjustment arm, it is little to solve automatic adjustment arm adjustment range among the prior art, the poor technical problem of commonality.
Referring to fig. 1-10, the present invention provides a light-weight brake clearance automatic adjusting arm, comprising: a housing 100, a worm wheel 300 and a worm 400 meshed with the worm wheel 300 are arranged in the housing 100, and a one-way clutch mechanism 500 and a clearance adjusting mechanism 600 for controlling the one-way clutch mechanism 500 are connected to the worm 400; the adjusting arm 200 is rotatably connected to the housing 100 and has a toothed ring thereon;
the one-way clutch mechanism 5 includes: the first bevel gear 501 is positioned in the shell 100 and is sleeved on the extending end side of the worm 400; one end of the square wire torsion spring 502 is fixed on the other side of the worm 400, and the other end is connected with the first bevel gear 501;
the gap adjustment mechanism 600 includes: a second bevel gear set 601 and a control arm drive gear 602; the second bevel gear set 601 is installed in the housing 100 and is in staggered shaft meshing transmission with the first bevel gear 501; the control arm transmission gear 602 is coaxially fixed with the second bevel gear set 601 and meshed with the gear ring;
three grooves are arranged on the control arm transmission gear 602, the corresponding angles are α, α 1 and α 2 respectively, a boss corresponding to any groove is arranged on the second bevel gear set 601, the corresponding angle of the boss is β, and therefore the clearance angle gamma, gamma 1 or gamma 2 of the adjusting arm is formed.
The utility model discloses a light weight type braking clearance automatic adjustment arm, at first, because one-way clutch mechanism and clearance adjustment mechanism's improvement, realized that the three recess of arranging on the control arm drive gear corresponds α angle, α 1 angle, α 2 angle respectively, have the boss that corresponds with arbitrary recess on the second bevel gear group, the boss corresponds the angle and is β, and the clearance angle that from this forms the adjustment arm is gamma, gamma 1 or gamma 2, only a fixed clearance angle can adapt to one or more motorcycle type from current automatic adjustment arm promptly, but can not adapt to more motorcycle types, the utility model discloses an improve, insert different recess assembly when the boss, can enough realize different clearance angles, by this automatic adjustment arm can cover 95% motorcycle type needs on the market, improved the commonality of adjustment arm.
Specifically, referring to fig. 9 and 10, a torque slot 5011 is disposed on a side of the gear shaft of the first bevel gear 501 close to the square torsion spring 502, and a torque arm 5021 cooperatively connected with the torque slot 5011 is disposed at one end of the square torsion spring 502; the utility model discloses a square wire torsional spring torsion arm is fixed in the torque groove, has realized the one-way clutch effect according to its characteristic of turning to.
The first helical gear 501 is provided with a shaft retainer ring near the housing 1 for limiting axial displacement of the first helical gear.
Advantageously, the inner diameter of the square torsion spring 502 has an interference fit with both the outer diameter of the first bevel gear 501 gear shaft and the outer diameter of the worm 400.
Referring to fig. 3, a compression spring 503 is disposed on an end surface of the first bevel gear 501, which is away from the square torsion spring 502, and the compression spring 503 is sleeved on the worm 400 and abuts against an end cover of the closed worm 400. The first helical gear and the worm are connected through the first helical gear and the second helical gear, and the first helical gear and the worm are connected through the second helical gear and the second helical gear.
Referring to fig. 4, the second bevel gear set 601 includes: a gear shaft 6011, a second bevel gear 6012, and a return spring 6013;
one end of the gear shaft 6011 is fixed with a second bevel gear 6012, and the other end is inserted into a central shaft hole of the control arm transmission gear 602 and fixed;
the end of the second helical tooth 6012 is provided with a boss matched with the groove, and an β angle formed by the boss is a fixed value;
the return spring 6013 is fixedly coupled between the second bevel gear 6012 and the control arm drive gear 602.
The second bevel gear set and the control arm transmission gear are arranged in a gear shaft hole of the shell. The return spring is a torsion spring, one arm lever of the torsion spring is fixed with the second bevel gear, the other arm lever of the torsion spring is fixed with the control arm transmission gear, and after braking, the clearance angle gamma returns to the initial position by the spring characteristic of the torsion spring.
Specifically, β is 55 degrees, α is 65 degrees, α 1 is 70 degrees, α 2 is 75 degrees, when the boss is matched with different grooves, different clearance angles gamma are achieved, and the use requirements of the existing vehicle are met.
In the above embodiment, the gear ratio of the first bevel gear 501 to the second bevel gear 6012 is 24/14.
Referring to fig. 7, the other end of the gear shaft 6011 is provided with an installation groove 6015, and a retaining ring 6014 is installed in the installation groove 6015. And the second bevel gear is prevented from being separated from the control arm transmission gear.
The utility model also provides a braking system, including above-mentioned light weight type braking clearance automatic adjustment arm. The automatic adjusting arm has the advantages that different groove assemblies are inserted into the bosses, different gap angles can be achieved, and therefore the automatic adjusting arm can cover 95% of vehicle type requirements in the market, and universality of the adjusting arm is improved. Secondly, because the utility model discloses relative prior art part is few, and simple structure has reduced the weight of automatic adjustment arm, has reached the requirement of lightweight design.
The utility model provides a light weight type automatic adjustment arm, the control arm is fixed on the axle, a ring gear is fixed on the control arm, the tooth of ring gear is the inner circle that sets up at the ring gear, the worm wheel sets up in the worm wheel hole of casing and with the coaxial lead setting of ring gear, the casing is connected and can rotate for the control arm on the control arm, the worm sets up in the casing and meshes with the worm wheel, the one end of worm is worn out the casing and its tip is equipped with the hexagon, so can use tools such as spanner to rotate the worm, be equipped with one-way clutch mechanism in the casing of this end, the other end of worm is located the casing, do clearance fit circumferential direction with the casing, one-way clutch mechanism is including cup jointing at the first helical gear of worm and square wire torsional spring, square wire torsional spring one end is equipped with the torsion arm toward the inboard, the torsion arm card is in the torque groove of first helical gear, be equipped with little skewed tooth hole on the casing, be mainly used for installing clearance adjustment mechanism, clearance adjustment mechanism includes the control arm drive gear centre bore with the control arm meshing with the control arm drive gear, be equipped with steel in the second helical gear upper end, the gear upper end face has the steel axle, the gear shaft passes control arm notch of spacing groove that the second helical gear corresponds to be different from gamma angle on the gamma arm, the gap groove that the second helical gear, the gap control arm corresponds to be equipped with the boss that the gap groove that the gamma control arm, the gamma arm, the gap control arm, the gap groove that the gamma arm.
When the brake is used, the shell is fixed to drive the control arm to rotate, the gear ring of the control arm drives the control arm transmission gear of the clearance adjusting mechanism to rotate anticlockwise, in the rotating process of the control arm transmission gear, the groove angle α, α 1 or α 2 of the control arm transmission gear and the boss angle β of the second bevel gear form an idle stroke included angle gamma, gamma 1 or gamma 2, the idle stroke included angle is a designed normal clearance angle between the brake drum and the brake shoe, when the control arm transmission gear passes through the set included angle gamma, gamma 1 or gamma 2, if an excessive clearance exists between the brake drum and the brake shoe, the control arm transmission gear continues to drive the second bevel gear to do anticlockwise motion, the second bevel gear is driven to rotate, the inner wall of the square wire torsion spring is in interference fit with the outer diameter of the worm and the outer diameter of the first bevel gear, therefore, the first bevel wire torsion spring drives the worm to rotate, the worm is meshed with the worm gear, and then the brake cam shaft is driven to eliminate the excessive clearance.
When the vehicle brake is released, the gear ring of the control arm moves clockwise at the moment, the gear ring drives the control arm transmission gear to rotate clockwise, the control arm transmission gear drives the second helical gear to return synchronously, the second helical gear drives the first helical gear to rotate clockwise, and the first helical gear is in a one-way slipping state clockwise due to the rotation direction of the square line torsion spring, the first helical gear rotates clockwise to slip, the worm gear is fixed on the brake camshaft, and certain tension exists under the action of the brake drum return spring. The first bevel gear cannot drive the worm to rotate, and the worm cannot drive the worm wheel to rotate, so that the excessive clearance angle of the worm wheel rotating is eliminated, and braking is finished.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A lightweight brake clearance automatic adjustment arm comprising: the worm gear type clutch comprises a shell (100), wherein a worm wheel (300) and a worm (400) meshed with the worm wheel (300) are installed in the shell (100), and a one-way clutch mechanism (500) and a gap adjusting mechanism (600) for controlling the one-way clutch mechanism (500) are connected to the worm (400); the adjusting arm (200) is rotatably connected with the shell (100) and is provided with a toothed ring; it is characterized in that the preparation method is characterized in that,
the one-way clutch mechanism (500) includes: the first bevel gear (501) is positioned in the shell (100) and sleeved on the extending end side of the worm (400); one end of the square wire torsion spring (502) is fixed on the other side of the worm (400), and the other end of the square wire torsion spring (502) is connected with the first bevel gear (501);
the gap adjustment mechanism (600) includes: a second bevel gear set (601) and a control arm drive gear (602); the second bevel gear set (601) is arranged in the shell (100) and is in staggered shaft meshing transmission with the first bevel gear (501); the control arm transmission gear (602) is coaxially fixed with the second bevel gear set (601) and is meshed with the gear ring;
the control arm transmission gear (602) is provided with three grooves, the corresponding angles of the three grooves are α, α 1 and α 2 respectively, the second bevel gear set (601) is provided with a boss corresponding to any one groove, the corresponding angle of the boss is β, and therefore the clearance angle gamma, gamma 1 or gamma 2 of the adjusting arm is formed.
2. A lightweight automatic adjusting arm for brake clearance according to claim 1, wherein a torsion groove (5011) is formed on one side of the pinion shaft of the first bevel gear (501) close to the square wire torsion spring (502), and a torsion arm (5021) which is matched and connected with the torsion groove (5011) is formed at one end of the square wire torsion spring (502).
3. A lightweight automatic brake clearance adjusting arm according to claim 2, wherein a shaft retainer is provided on the first bevel gear (501) near the housing (100).
4. A lightweight automatic brake clearance adjusting arm according to claim 2, wherein the inner diameter of the square wire torsion spring (502) is in interference fit with both the outer diameter of the first bevel gear (501) gear shaft and the outer diameter of the worm (400).
5. The light-weight automatic brake clearance adjusting arm according to claim 2, wherein a compression spring (503) is arranged on an end face of one side of the first bevel gear (501) far away from the square torsion spring (502), and the compression spring (503) is sleeved on the worm (400) and abuts against an end cover for closing the worm (400).
6. A lightweight automatic brake clearance adjusting arm according to claim 2, wherein said second bevel gear set (601) comprises: a gear shaft (6011), a second bevel gear (6012) and a return spring (6013);
one end of the gear shaft (6011) is fixed with the second bevel gear (6012), and the other end of the gear shaft is inserted into a central shaft hole of the control arm transmission gear (602) to be fixed;
the end part of the second bevel gear (6012) is provided with a boss matched with the groove, and an β angle formed by the boss is a fixed value;
the return spring (6013) is fixedly connected between the second bevel gear (6012) and the control arm transmission gear (602).
7. A lightweight automatic brake clearance adjustment arm according to claim 6, wherein said β is 55 °, corresponding α is 65 °, α 1 is 70 °, α 2 is 75 °.
8. A lightweight automatic brake gap adjusting arm according to claim 6, wherein the gear ratio of the first bevel gear (501) to the second bevel gear (6012) is 24/14.
9. A lightweight automatic adjusting arm for brake clearance according to claim 6, characterized in that the other end of the gear shaft (6011) is provided with an installation groove (6015), and the installation groove (6015) is internally provided with a retaining ring (6014).
10. A brake system comprising a lightweight automatic brake clearance adjusting arm according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921140740.XU CN210344113U (en) | 2019-07-19 | 2019-07-19 | A lightweight brake clearance automatic adjusting arm and braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921140740.XU CN210344113U (en) | 2019-07-19 | 2019-07-19 | A lightweight brake clearance automatic adjusting arm and braking system |
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| Publication Number | Publication Date |
|---|---|
| CN210344113U true CN210344113U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921140740.XU Active CN210344113U (en) | 2019-07-19 | 2019-07-19 | A lightweight brake clearance automatic adjusting arm and braking system |
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| CN (1) | CN210344113U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345181A (en) * | 2019-07-19 | 2019-10-18 | 绍兴铁安汽配制造有限公司 | A kind of light-type arm for automatically regulating clearance of brake and braking system |
| CN114294356A (en) * | 2020-10-07 | 2022-04-08 | 沃尔沃卡车集团 | Brake lever for a drum brake device, drum brake device and heavy vehicle |
-
2019
- 2019-07-19 CN CN201921140740.XU patent/CN210344113U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345181A (en) * | 2019-07-19 | 2019-10-18 | 绍兴铁安汽配制造有限公司 | A kind of light-type arm for automatically regulating clearance of brake and braking system |
| CN110345181B (en) * | 2019-07-19 | 2024-02-27 | 绍兴铁安汽配制造有限公司 | Light-weight type automatic brake clearance adjusting arm and brake system |
| CN114294356A (en) * | 2020-10-07 | 2022-04-08 | 沃尔沃卡车集团 | Brake lever for a drum brake device, drum brake device and heavy vehicle |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Ruian Auto Parts Co.,Ltd. Assignor: SHAOXING TIE'AN AUTO PARTS MANUFACTURING Co.,Ltd. Contract record no.: X2024980044838 Denomination of utility model: A lightweight brake clearance automatic adjustment arm and braking system Granted publication date: 20200417 License type: Common License Record date: 20250105 |