CN209925470U - Split type brake disc structure - Google Patents
Split type brake disc structure Download PDFInfo
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- CN209925470U CN209925470U CN201920414211.8U CN201920414211U CN209925470U CN 209925470 U CN209925470 U CN 209925470U CN 201920414211 U CN201920414211 U CN 201920414211U CN 209925470 U CN209925470 U CN 209925470U
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- brake disc
- friction plate
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- friction
- positioning ring
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Abstract
The utility model provides a split type brake disc structure, divide into the connection structure that is connected with wheel hub and the friction structure two parts with the friction of braking part with the brake disc of current integrated structure, connection structure is the brake disc body, and the friction structure is two friction plates with brake disc body coupling, and two friction plates press from both sides the annular disc in the tight brake disc body through two snap rings, and the brake disc body adopts the ductile iron material, promotes joint strength, reduces material weight; the friction plate is made of a gray iron material, so that the braking friction performance is improved. When the friction performance of the brake disc is reduced and needs to be replaced, only the friction plate needs to be replaced, the brake disc body does not need to be replaced, and the maintenance cost is reduced.
Description
Technical Field
The utility model belongs to car axle subassembly field, concretely relates to combined material's split type brake disc structure.
Background
In the present domestic automobile axle, the brake disc of disc brake is mostly integrated structure, adopts single metal material to make. Due to the structural characteristics, after the brake disc is worn, the brake disc needs to be integrally replaced, so that the maintenance cost is increased; the connecting and fixing structure of the brake disc and the friction braking structure adopt the same structure, and the weight of the connecting and fixing structure is increased.
Disclosure of Invention
The utility model discloses a because the brake disc is integrated structure and adopt single metal material to make in solving current car axle, lead to the change cost of maintenance of brake disc to increase, the material weight increase scheduling problem of brake disc, provide a combined material's split type brake disc structure, reduce cost and weight.
In order to solve the technical problem, the utility model discloses an adopt following technical scheme to realize:
compared with the prior art, the invention has the beneficial effects that:
a split type brake disc structure is characterized by comprising a brake disc assembly connected with a hub, wherein the brake disc assembly comprises a brake disc body and two friction plates;
the brake disc body comprises an annular disc, an upper friction plate positioning ring of an annular cylindrical structure is arranged above the annular disc, a lower friction plate positioning ring of the annular cylindrical structure is arranged below the annular disc, a connecting flange of a revolving body structure connected with a hub is arranged above the upper friction plate positioning ring, and a plurality of arc-shaped grooves which are inwards sunken along the radial direction of the annular disc are uniformly distributed on the outer cylindrical surface of the annular disc at intervals;
the friction plate is of a disc structure with a central through hole, the outer edge of the upper surface of the friction plate is uniformly distributed with arc-shaped bosses which are protruded upwards and matched with the arc-shaped grooves at intervals, the outer cylindrical surface of the positioning ring of the upper friction plate is provided with an annular groove, and the outer cylindrical surface of the positioning ring of the lower friction plate is provided with an annular groove;
one friction plate is sleeved on the outer cylindrical surface of the upper friction plate positioning ring from top to bottom, the other friction plate is sleeved on the outer cylindrical surface of the lower friction plate positioning ring from bottom to top, the corresponding arc-shaped bosses on the two friction plates are inserted into the corresponding arc-shaped grooves on the annular disc, the two clamping rings are respectively embedded into the corresponding annular grooves, and the two friction plates are pressed towards the annular disc;
connecting holes with internal threads are uniformly distributed on the upper end face of the connecting flange at intervals, the brake disc assembly is sleeved on a shaft neck of the wheel hub, through holes which are in one-to-one correspondence with the connecting holes of the connecting flange are formed in the connecting part of the wheel hub and the brake disc assembly, and the bolts penetrate through the through holes of the wheel hub and then are in threaded connection with the connecting holes corresponding to the connecting flange to fixedly connect the brake disc assembly and the wheel hub together.
The further technical scheme comprises the following steps:
the outer cylindrical surface of the transition part between the connecting flange and the upper friction plate positioning ring is inwards sunken.
The brake disc body is made of ductile iron materials, and the friction plate is made of gray iron materials.
The utility model provides a pair of split type brake disc structure. The brake disc is divided into a connecting structure and a friction structure, the connecting structure is made of ductile iron materials, connecting strength is improved, and material weight is reduced; the friction structure adopts the grey iron material, promotes braking frictional property. According to the structure, when the brake disc is replaced by friction, only the friction structure part needs to be replaced, the connecting structure does not need to be replaced, and the maintenance cost is reduced.
Drawings
The invention is further described with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a split type brake disc structure applied to a front axle assembly of a vehicle according to the present invention;
fig. 2 is a longitudinal sectional view of a brake disc assembly of a split brake disc structure according to the present invention;
fig. 3 is a front view of a brake disc body of a split brake disc structure according to the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
fig. 5 is a front view of a friction plate of a split brake disc structure according to the present invention;
FIG. 6 is a radial cross-sectional view of FIG. 5;
in the figure: 1. the brake disc assembly comprises a brake disc assembly, 2 bolts, 3 a hub, 4 a brake disc body, 5 friction plates, 6 snap rings, 7 annular discs, 8 upper friction plate positioning rings, 9 lower friction plate positioning rings, 10 annular grooves, 11 connecting flanges, 12 connecting holes, 13 arc-shaped grooves and 14 arc-shaped bosses.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
as shown in fig. 1, the utility model discloses a split type brake disc structure, including a brake disc assembly 1 who is connected with wheel hub 3.
As shown in fig. 2, the brake disc assembly 1 includes a brake disc body 4 and two friction plates 5.
As shown in fig. 3 and 4, the brake disk body 4 includes an annular disk 7, an upper friction plate positioning ring 8 of an annular cylindrical structure integrated with the annular disk 7 is arranged above the annular disk 7, a lower friction plate positioning ring 9 of an annular cylindrical structure integrated with the annular disk 7 is arranged below the annular disk 7, a connecting flange 11 of a revolving body structure connected with the hub 3 is arranged above the upper friction plate positioning ring 8, the connecting flange 11, the upper friction plate positioning ring 8, the annular disk 7 and the lower friction plate positioning ring 9 are coaxially arranged, a central through hole of the connecting flange 11, the central through hole of the upper friction plate positioning ring 8, the central through hole of the annular disc 7 and the central through hole of the lower friction plate positioning ring 9 form a central through hole of the brake disc body 4, and a plurality of arc-shaped grooves 13 which are inwards sunken along the radial direction of the annular disc 7 are uniformly distributed on the outer cylindrical surface of the annular disc 7 at intervals along the circumferential direction.
The friction plate 5 is a disc structure with a central through hole, arc-shaped bosses 14 which protrude upwards and are matched with the arc-shaped grooves are uniformly distributed on the outer edge of the upper surface of the friction plate 5 at intervals, the arc-shaped bosses 14 are arc-shaped surfaces which are bent from outside to inside along the radial direction of the friction plate 5, an annular groove 10 is arranged on the outer cylindrical surface of the upper friction plate positioning ring 8, an annular groove 10 is arranged on the outer cylindrical surface of the lower friction plate positioning ring 9, one friction plate 5 is sleeved on the outer cylindrical surface of the upper friction plate positioning ring 8 from top to bottom, the other friction plate 5 is sleeved on the outer cylindrical surface of the lower friction plate positioning ring 9 from bottom to top, the corresponding arc-shaped bosses 14 on the two friction plates 5 are inserted into the corresponding arc-shaped grooves 13 on the annular disc 7, the two snap rings 6 are respectively embedded into the corresponding annular grooves 10 to tightly press the two friction plates 5 towards the annular disc 7, and connecting holes 12, the brake disc assembly 1 is sleeved on a shaft neck of the wheel hub 3 through a central through hole of the brake disc body 4, through holes which are in one-to-one correspondence with the connecting holes 12 of the connecting flange 11 are formed in the connecting portion of the wheel hub 3 and the brake disc assembly 1, the bolts 2 penetrate through the through holes of the wheel hub 3 and then are in threaded connection with the connecting holes 12 corresponding to the connecting flange 11, and the brake disc assembly 1 is fixedly connected with the wheel hub 3.
In order to reduce the weight of the connecting flange 11 and thus of the brake disk body 4, the outer cylindrical surface of the transition between the connecting flange 11 and the upper friction plate retaining ring 8 is recessed.
The utility model provides a split type brake disc structure, the brake disc is decomposed into two parts of a connecting structure (brake disc body) connected with the wheel hub and a friction structure (friction plate) in friction with the brake part, the connecting structure (brake disc body) adopts a ductile iron material, the connecting strength is improved, and the material weight is reduced; the friction structure (friction plate) is made of a gray iron material, so that the braking friction performance is improved. When the friction performance of the brake disc is reduced and needs to be replaced, only the friction structure (friction plate) needs to be replaced, the connecting structure (brake disc body) does not need to be replaced, and the maintenance cost is reduced.
Claims (3)
1. A split type brake disc structure is characterized by comprising a brake disc assembly (1) connected with a hub (3), wherein the brake disc assembly (1) comprises a brake disc body (4) and two friction plates (5);
the brake disc body (4) comprises an annular disc (7), an upper friction plate positioning ring (8) of an annular cylindrical structure is arranged above the annular disc (7), a lower friction plate positioning ring (9) of an annular cylindrical structure is arranged below the annular disc (7), a connecting flange (11) of a revolving body structure connected with the hub (3) is arranged above the upper friction plate positioning ring (8), and a plurality of arc-shaped grooves (13) which are inwards recessed along the radial direction of the annular disc (7) are uniformly distributed on the outer cylindrical surface of the annular disc (7) at intervals;
the friction plate (5) is of a disc structure with a central through hole, arc-shaped bosses (14) which are upwards protruded and matched with the arc-shaped grooves (13) are uniformly distributed on the outer periphery of the upper surface of the friction plate (5) at intervals, an annular groove (10) is formed in the outer cylindrical surface of the upper friction plate positioning ring (8), and an annular groove (10) is formed in the outer cylindrical surface of the lower friction plate positioning ring (9);
one friction plate (5) is sleeved on the outer cylindrical surface of the upper friction plate positioning ring (8) from top to bottom, the other friction plate (5) is sleeved on the outer cylindrical surface of the lower friction plate positioning ring (9) from bottom to top, corresponding arc-shaped bosses (14) on the two friction plates (5) are inserted into corresponding arc-shaped grooves (13) on the annular disc (7), the two clamping rings (6) are respectively embedded into the corresponding annular grooves (10), and the two friction plates (5) are pressed towards the annular disc (7);
connecting holes (12) with internal threads are uniformly distributed on the upper end face of the connecting flange (11) at intervals, the brake disc assembly (1) is sleeved on a shaft neck of the wheel hub (3), through holes which correspond to the connecting holes (12) of the connecting flange (11) one by one are formed in the connecting part of the wheel hub (3) and the brake disc assembly (1), the bolts (2) penetrate through the through holes of the wheel hub (3) and then are in threaded connection with the connecting holes (12) which correspond to the connecting flange (11), and the brake disc assembly (1) is fixedly connected with the wheel hub (3).
2. A split brake disc arrangement according to claim 1, characterised in that the outer cylindrical surface of the transition between the attachment flange (11) and the upper friction plate retaining ring (8) is recessed inwardly.
3. A split brake disc structure as claimed in claim 1 or 2, wherein the brake disc body (4) is made of a ductile iron material and the friction plate (5) is made of a gray iron material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920414211.8U CN209925470U (en) | 2019-03-29 | 2019-03-29 | Split type brake disc structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920414211.8U CN209925470U (en) | 2019-03-29 | 2019-03-29 | Split type brake disc structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209925470U true CN209925470U (en) | 2020-01-10 |
Family
ID=69071750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920414211.8U Active CN209925470U (en) | 2019-03-29 | 2019-03-29 | Split type brake disc structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209925470U (en) |
-
2019
- 2019-03-29 CN CN201920414211.8U patent/CN209925470U/en active Active
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