CN216478583U - High-lubricity automobile brake caliper piston - Google Patents
High-lubricity automobile brake caliper piston Download PDFInfo
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- CN216478583U CN216478583U CN202123237312.9U CN202123237312U CN216478583U CN 216478583 U CN216478583 U CN 216478583U CN 202123237312 U CN202123237312 U CN 202123237312U CN 216478583 U CN216478583 U CN 216478583U
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Abstract
The application discloses high lubricity automotive brake pincers piston belongs to automobile parts's technical field, and its technical scheme main points are including the piston body, the piston body includes: the first end surface is arranged on one side of the piston body; the second end surface is arranged on the other side of the piston body; the first lubricating groove is arranged on the outer wall surface of the piston body and surrounds the piston body in a left spiral mode; the second lubricating groove is arranged on the outer wall surface of the piston body and surrounds the piston body in a right spiral manner; the third lubricating groove is arranged on the outer wall surface of the piston body and is annular; and the graphite ring is embedded in the first lubricating groove, the second lubricating groove and the third lubricating groove. The application provides an automobile brake caliper piston, simple structure, installation are simple inseparable and effectively improve the lubricity, improve braking reaction rate.
Description
Technical Field
The application belongs to the automobile spare and accessory part field, especially relates to a high lubricity automotive brake caliper piston.
Background
The brake system of car includes calliper, with calliper complex back braking pincers piston and preceding braking pincers piston, for braking effect is better, all adopts two pistons of symmetry setting to promote the braking piece respectively in the braking pincers on the present vehicle, can produce between piston and the braking pincers and slide.
The prior Chinese patent with publication number CN206571867U discloses an automobile rear brake caliper piston, which comprises a piston body, a friction surface arranged at the upper end of the piston body, a piston hole and an annular sealing groove arranged close to the friction surface, wherein the friction surface is sequentially provided with a polishing surface, a tooth-shaped embossing, a concave table and a boss from outside to inside, the tooth-shaped embossing and the piston body are integrally extruded and formed and are in a transmitting shape, and the friction surface is provided with three assembly interfaces and is uniformly distributed at 120 degrees; the piston hole is internally provided with a first inner ring platform and a second inner ring platform arranged at the extending section of the first inner ring platform, and the piston hole is internally provided with a limiting block.
Although the piston increases the friction between the piston and the brake caliper and reduces the slip, the wear resistance of the piston is still insufficient, which leads to a low life span and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The purpose of the embodiment of the application is to solve the above existing technical problems, and provide an automobile brake caliper piston which is simple in structure, simple and compact in installation, and capable of effectively improving the lubricating performance and the braking reaction speed.
The embodiment of the application provides a high lubricity automotive brake caliper piston, including the piston body, the piston body includes: the first end surface is arranged on one side of the piston body; the second end surface is arranged on the other side of the piston body; the first lubricating groove is arranged on the outer wall surface of the piston body and surrounds the piston body in a left spiral mode; the second lubricating groove is arranged on the outer wall surface of the piston body and surrounds the piston body in a right spiral manner; the third lubricating groove is arranged on the outer wall surface of the piston body and is annular; and the graphite ring is embedded in the first lubricating groove, the second lubricating groove and the third lubricating groove.
First terminal surface is close with hydraulic oil, make the piston body do flexible removal through the first terminal surface of hydraulic oil drive, through second terminal surface and friction disc erection joint, the outer wall of piston body is provided with the first lubrication groove that is left spiral and encircles, the outer wall of piston body is provided with the second lubrication groove that is right spiral and encircles, the outer wall of piston body is provided with and is annular third lubrication groove, first lubrication groove, the second lubrication groove, the third lubrication groove passes through turning or milling process shaping, arrange first lubrication groove in, the second lubrication groove, graphite ring body coupling in the third lubrication groove, further improve the lubricating property of piston body surface through the graphite ring, further improve the life of piston body.
Furthermore, the first lubrication groove, the second lubrication groove and the third lubrication groove are mutually staggered, and the thread pitch of the first lubrication groove is the same as that of the second lubrication groove.
First lubrication groove, second lubrication groove, third lubrication groove are crisscross each other in the same point, and first lubrication groove is the same with the pitch of second lubrication groove, makes the distribution in first lubrication groove and second lubrication groove even, further makes the lubricating property distribution of the outer wall surface of piston body even, effectively guarantees the whole lubricated effect of piston body, and reducing wear further improves the life of piston body.
Further, the piston body still includes: a piston bore; the boss is arranged on the second end face, and a plurality of annularly distributed tooth-shaped protrusions are arranged on the boss; and the annular groove is arranged outside the piston body and on one side of the boss.
The installation of the piston body is facilitated through the boss, the toothed bulge is integrally connected with the piston body during forging, the toothed bulge is matched with the toothed bulge at the joint of the friction plate, the contact area of the boss and the friction plate is increased, the installation connection stability of the piston body and the friction plate is further improved, the safety performance of a brake caliper is improved, the annular groove is embedded with the sealing ring, the sealing performance of the piston body and the cylinder body of the brake caliper is further improved, the annular groove is formed through turning, the chamfer surfaces are arranged on two sides of the annular groove, and burrs are reduced to protect the sealing ring.
Further, the piston body still includes: and the positioning grooves are arranged on the bosses and are uniformly distributed around the axis of the piston body.
The constant head tank is through milling process shaping, and it is more convenient to make the friction disc installation through the constant head tank convenient to make, and connects inseparabler stability, and constant head tank and dentate arch distribute in turn, further guarantee mounting structure's stability.
Further, the piston body still includes: the exhaust hole is arranged on the positioning groove and is in threaded connection with a plug.
The piston body is provided with the exhaust hole of arranging the constant head tank in, and exhaust hole threaded connection has the end cap, and when filling into hydraulic oil through the piston hole when the piston body, through exhaust hole exhaust gas, reduce this internal air content of piston, the braking is stable when making the piston body use, and the internal face of protection piston body does not receive the air corrosion, blocks up the exhaust hole through the end cap and prevents that hydraulic oil from revealing when the piston body uses, and threaded connection makes end cap easy dismounting.
Further, the piston body still includes: and the ring platform is arranged in the piston hole and is close to the second end face.
The structural strength of the second end face is further improved through the ring platform, the second end face is guaranteed to be not prone to deformation due to large impact when the piston body is used, and the service life of the piston body is further prolonged.
The beneficial effects of the embodiment of the application are that:
1. through first lubrication groove, second lubrication groove, third lubrication groove and graphite ring, improved the lubricating property of piston body surface, make the piston body more wear-resisting, further improve the life of piston body.
2. The friction plate is convenient to install through the boss and the positioning groove, the contact area of the piston body and the friction plate is increased through the tooth-shaped protrusions, the piston body and the friction plate are prevented from loosening, the installation connection stability of the piston body and the friction plate is further improved, and the safety performance of the brake caliper is improved.
3. Through the structural strength who further improves second terminal surface department through the ring platform, the second terminal surface receives great impact non-deformable when guaranteeing the piston body use, and air escape when making hydraulic oil inject through the exhaust hole plugs up the exhaust hole through the end cap, improves the leakproofness of piston body.
Drawings
Fig. 1 is a schematic structural diagram of a piston body according to an embodiment of the present application;
fig. 2 is a front view of a piston body according to an embodiment of the present disclosure;
FIG. 3 is a schematic top view of a piston body according to an embodiment of the present disclosure;
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The portable server provided by the embodiment of the present application is described in detail below with reference to the accompanying drawings by specific embodiments and application scenarios thereof.
Example 1:
as shown in fig. 1 and 2, an embodiment of the present application provides a high-lubricity automobile brake caliper piston, including a piston body 100, where the piston body 100 includes: a first end surface 110, the first end surface 110 being disposed at one side of the piston body 100; a second end face 120, the second end face 120 being disposed at the other side of the piston body 100; the first lubricating groove 130 is arranged on the outer wall surface of the piston body 100, and the first lubricating groove 130 is spirally wound on the left side; the second lubrication groove 140 is arranged on the outer wall surface of the piston body 100, and the second lubrication groove 140 is spirally surrounded on the right side; a third lubrication groove 150, wherein the third lubrication groove 150 is disposed on the outer wall surface of the piston body 100 and is annular; and the graphite ring 200 is embedded in the first lubrication groove 130, the second lubrication groove 140 and the third lubrication groove 150.
The first end face 110 is close to hydraulic oil, the first end face 110 is driven by the hydraulic oil to enable the piston body 100 to move in a telescopic mode, the piston body 100 is connected with a friction plate in an installing mode through the second end face 120, a first lubricating groove 130 surrounding in a left spiral mode is formed in the outer wall face of the piston body 100, a second lubricating groove 140 surrounding in a right spiral mode is formed in the outer wall face of the piston body 100, a third lubricating groove 150 surrounding in a ring mode is formed in the outer wall face of the piston body 100, the first lubricating groove 130, the second lubricating groove 140 and the third lubricating groove 150 are formed through turning or milling, graphite rings 200 in the first lubricating groove 130, the second lubricating groove 140 and the third lubricating groove 150 are integrally connected, the lubricating performance of the outer surface of the piston body 100 is further improved through the graphite rings 200, and the service life of the piston body 100 is further prolonged.
Example 2:
as shown in fig. 2, in addition to the above technical features, the present embodiment provides a high-lubricity piston for an automotive brake caliper, and further, the first lubrication groove 130, the second lubrication groove 140, and the third lubrication groove 150 are staggered with each other, and the pitch of the first lubrication groove 130 is the same as that of the second lubrication groove 140.
Example 3:
as shown in fig. 1 and 3, in the embodiment of the present application, in addition to the technical features described above, a high-lubricity piston for an automobile brake caliper is provided, and further, the piston body 100 further includes: a piston bore 160; the boss 170 is arranged on the second end face 120, and a plurality of annular toothed protrusions 171 are arranged on the boss 170; and the annular groove 180 is arranged outside the piston body 100 and on one side of the boss 170.
Further, the piston body 100 further includes: and the positioning grooves 172 are formed in the boss 170, and the positioning grooves 172 are uniformly distributed around the axis of the piston body 100.
Further, the piston body 100 further includes: and the exhaust hole 173 is arranged on the positioning groove 172, and the exhaust hole 173 is in threaded connection with the plug 300.
Further, the piston body 100 further includes: a land 190, the land 190 being disposed within the piston bore 160, the land 190 being proximate the second end face 120.
Be convenient for through boss 170 with the friction disc installation, dentate bulge 171 is through forging time with piston body 100 a body coupling, dentate bulge 171 and the dentate bulge 171 adaptation of friction disc junction, increase the area of contact of boss 170 and friction disc, further improve the erection joint steadiness of piston body 100 and friction disc, improve the security performance of braking pincers, inlay on the ring channel 180 and establish the sealing washer, further improve the sealing performance of piston body 100 and calliper cylinder body, ring channel 180 passes through the lathe work shaping, the ring channel 180 both sides have the chamfer face, reduce burr protection sealing washer.
The positioning groove 172 is formed by milling, the friction plate can be conveniently installed through the positioning groove 172, the connection is more compact and stable, the positioning groove 172 and the tooth-shaped protrusions 171 are distributed alternately, and the stability of the installation structure is further guaranteed.
The piston body 100 is provided with the exhaust hole 173 arranged in the positioning groove 172, the exhaust hole 173 is in threaded connection with the plug 300, when hydraulic oil is filled into the piston hole 160 of the piston body 100, gas is exhausted through the exhaust hole 173, the air content in the piston body 100 is reduced, braking is stable when the piston body 100 is used, the inner wall surface of the piston body 100 is protected from air corrosion, the exhaust hole 173 is blocked through the plug 300, hydraulic oil leakage when the piston body 100 is used is prevented, and the plug 300 is in threaded connection to be convenient to disassemble and assemble.
The structural strength of the second end face 120 is further improved through the ring stand 190, so that the second end face 120 is guaranteed to be not easily deformed by large impact when the piston body 100 is used, and the service life of the piston body 100 is further prolonged.
It should be noted that, in this document, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A high lubricity automotive caliper piston comprising a piston body (100), characterized in that the piston body (100) comprises:
a first end face (110), the first end face (110) being disposed on one side of the piston body (100);
a second end face (120), the second end face (120) being disposed at the other side of the piston body (100);
the first lubricating groove (130) is arranged on the outer wall surface of the piston body (100), and the first lubricating groove (130) is spirally wound on the left side;
the second lubricating groove (140) is arranged on the outer wall surface of the piston body (100), and the second lubricating groove (140) is spirally surrounded on the right side;
the third lubricating groove (150), the said third lubricating groove (150) locates in the external wall of the piston noumenon (100), and take the form of the ring;
the graphite ring (200) is embedded in the first lubricating groove (130), the second lubricating groove (140) and the third lubricating groove (150).
2. The high lubricity automotive brake caliper piston of claim 1, wherein the first lubrication groove (130), the second lubrication groove (140), and the third lubrication groove (150) are staggered with respect to each other, and the pitch of the first lubrication groove (130) is the same as the pitch of the second lubrication groove (140).
3. The high lubricity automotive brake caliper piston of claim 1, said piston body (100) further comprising:
a piston bore (160);
the boss (170) is arranged on the second end face (120), and a plurality of annular toothed protrusions (171) are arranged on the boss (170);
the annular groove (180) is arranged outside the piston body (100) and on one side of the boss (170).
4. The high lubricity automotive brake caliper piston of claim 3, said piston body (100) further comprising:
and the positioning grooves (172) are arranged on the bosses (170), and are uniformly distributed around the axis of the piston body (100).
5. The high lubricity automotive brake caliper piston of claim 4, said piston body (100) further comprising:
the exhaust hole (173), exhaust hole (173) are arranged on locating slot (172), exhaust hole (173) threaded connection has end cap (300).
6. The high lubricity automotive brake caliper piston of claim 1, said piston body (100) further comprising:
a land (190), the land (190) disposed within the piston bore (160), and the land (190) proximate the second end face (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123237312.9U CN216478583U (en) | 2021-12-21 | 2021-12-21 | High-lubricity automobile brake caliper piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123237312.9U CN216478583U (en) | 2021-12-21 | 2021-12-21 | High-lubricity automobile brake caliper piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216478583U true CN216478583U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123237312.9U Active CN216478583U (en) | 2021-12-21 | 2021-12-21 | High-lubricity automobile brake caliper piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216478583U (en) |
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2021
- 2021-12-21 CN CN202123237312.9U patent/CN216478583U/en active Active
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