CN216343568U

CN216343568U - Inner oil duct combined type caliper assembly

Info

Publication number: CN216343568U
Application number: CN202122535149.8U
Authority: CN
Inventors: 符乐君; 呙波; 王必进; 陈右铭
Original assignee: Zhejiang Libang Hexin Automotive Brake System Co ltd
Current assignee: Zhejiang Libang Hexin Automotive Brake System Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-04-19
Anticipated expiration: 2031-10-21

Abstract

The utility model relates to the field of automobile brakes, and discloses an inner oil duct composite caliper assembly which comprises a caliper main body, wherein the caliper main body comprises a support, a first caliper body and a second caliper body, the first caliper body and the second caliper body are arranged on two sides of the support, a first piston and a second piston are respectively arranged in the first caliper body and the second caliper body, friction plates are respectively arranged on the inner sides of the first piston and the second piston, the two friction plates are oppositely arranged, the caliper main body is provided with an inner oil duct which penetrates through the support and extends to the first caliper body and the second caliper body, the first oil duct is communicated with an inner cavity of the first piston through a first passage, and the second oil duct is communicated with an inner cavity of the second piston through a second passage; according to the utility model, long inclined holes are not required to be machined in the caliper body, the oil duct and the exhaust hole are machined, and then the oil duct is communicated with the piston cavity through an internal channel which is machined or cast, so that the effect of longer service life can be realized without a structure externally connected with an oil pipe.

Description

Inner oil duct combined type caliper assembly

Technical Field

The utility model relates to the field of automobile brakes, in particular to an inner oil duct combined caliper assembly.

Background

The caliper assembly is taken as a safety part of a whole automobile, the caliper assembly widely applied in the market at present is divided into a floating caliper assembly and a fixed caliper assembly, and the fixed caliper assembly is also divided into a composite fixed caliper assembly and an integral fixed caliper assembly. The combined type fixed caliper assembly connects the two calipers together in a threaded connection mode. The sliding shaft structure of the floating caliper assembly easily brings the problems of abnormal sound, large dragging force and the like, and compared with the floating caliper assembly, the fixed caliper assembly has good rigidity and fine braking linear foot feel, so that a plurality of pistons are symmetrically arranged mostly, and the dragging torque is low. But the fixed caliper assembly is poor in consistency of the piston during movement due to the fact that the multiple pistons are symmetrically arranged, and when a piston hole, a piston dust cover groove and a rectangular sealing groove are machined, a cutter needs to be frequently replaced, machining is complex, and the integral caliper assembly is difficult to cast. At present, external oil pipes are mostly adopted for fixed caliper assemblies, and external oil pipes are also needed for combined fixed caliper assemblies, as shown in fig. 13, a first caliper body J, a second caliper body K and a support H are adopted, wherein oil passages are communicated between the first caliper body J and the second caliper body K through the external oil pipes M. The machining mode is complex, the inclined hole which is often machined is very long due to the fact that the weak part of the clamp body needs to be avoided, machining time is prolonged when the inclined hole is machined, a cutter is easy to damage, and machining cost is increased.

Because the composite caliper assembly adopts the external oil pipe, the processing cost is high, the assembly and the after-sale maintenance are inconvenient, and the like, so that the composite caliper assembly which is convenient to process and has good quality is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides an inner oil duct composite caliper assembly.

In order to solve the technical problem, the utility model is solved by the following technical scheme:

the utility model provides an interior oil duct combined type calliper assembly, including the calliper main part, the calliper main part includes the support and installs the first pincers body and the second pincers body in the support both sides, be provided with first piston and second piston in the first pincers body and the second pincers body respectively, first piston and second piston respectively are provided with the friction disc in the inboard and two friction disc set up relatively, the calliper main part is provided with and runs through the support and extend to the first pincers body, the interior oil duct of the second pincers body, interior oil duct comprises the first oil duct in the first pincers body, the second oil duct in the second pincers body, the third oil duct in the support, first oil duct communicates with the inner chamber of first piston through first passageway, the second oil duct communicates with the inner chamber of second piston through the second passageway. The long inclined hole machined in the clamp body is not needed, the oil duct and the exhaust hole are machined, the oil duct is communicated with the piston cavity through the machining or the casting of the internal channel, and the effect of longer service life can be achieved without the structure of an external oil pipe.

Preferably, two inner oil passages are provided, two ends of the first oil passage are respectively connected with the two inner oil passages on two sides, and two ends of the second oil passage are respectively connected with the two inner oil passages on two sides.

Preferably, the first caliper body and the second caliper body are respectively installed on the bracket through bolts, and the center line of the first oil duct, the center line of the second oil duct and the center line of the third oil duct on the same side after installation are located on the same straight line.

Preferably, sealing rings are arranged between the adjacent first oil channel and the third oil channel and between the adjacent second oil channel and the third oil channel. The sealing ring is used for sealing between oil ducts, so that liquid does not leak when the brake caliper works, gas is only discharged from the exhaust port, and the power of the hydraulic drive piston is sufficient.

Preferably, clamping grooves for accommodating the sealing rings are formed between the first clamp body and the support and between the second clamp body and the support. The sealing ring has the function of ensuring that the inner oil duct cannot leak gas or liquid between the clamp body and the support.

Preferably, the caliper body is provided with an air vent communicated with the outside, the air vent is communicated with the outside of the caliper body through the first oil duct or the second oil duct, and an air vent screw is arranged at the outlet of the air vent. The air vent is communicated with the outside, the air vent is directly communicated with the inner oil duct through vertical processing, a channel and the inner oil duct which are additionally connected with the air vent are not required to be cast by a sand core, the inner oil ducts on two sides are additionally connected with the piston cavity through the channel, and the channel can be formed by casting or machining, so that a complete oil way is formed.

Preferably, the caliper body is provided with an oil inlet, which communicates with the first passage or the second passage.

Due to the adoption of the technical scheme, the utility model has the remarkable technical effects that: on the basis of ensuring the existing performance of the combined caliper assembly, the brake effect is realized by adopting the structure of the inner oil duct to achieve the oil duct intercommunication, the inner oil duct is connected with the bottom of the piston by adopting a channel formed by casting, and the first caliper body, the second caliper body and the bracket are connected by adopting a mode of directly machining the inner oil duct, so that the structure of the inner oil duct is more convenient to process, an external oil duct is not needed, the processing and assembling cost can be reduced, the cost of the caliper assembly is reduced at the same time, and in addition, the weight of the caliper body can be reduced by manufacturing the inner oil duct; the inner oil duct combined caliper assembly is convenient to assemble, the automatic assembly rate is improved, after-sale maintenance and disassembly are convenient, and the replacement process of the friction plate is simplified.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a cross-sectional view a-a of fig. 2.

Fig. 4 is a partial enlarged view of E in fig. 3.

FIG. 5 is a schematic structural view of a second body of the present invention.

Fig. 6 is a sectional view of B-B in fig. 5.

FIG. 7 is a cross-sectional view B '-B' of FIG. 6.

Fig. 8 is a schematic structural view of the stent of the present invention.

Fig. 9 is a cross-sectional view of C-C in fig. 8.

FIG. 10 is a schematic structural view of the first caliper body according to the present invention.

Fig. 11 is a cross-sectional view of D-D in fig. 10.

FIG. 12 is a cross-sectional view of D '-D' in FIG. 11.

Fig. 13 is a schematic structural diagram of the prior art.

The names of the parts indicated by the numerical references in the above figures are as follows: wherein, 1, a bracket; 2. a first caliper body; 3. a second caliper body; 11. a bolt; 21. a first piston; 31. a second piston; 32. a friction plate; 41. a first oil passage, 42, a second oil passage; 43. a third oil passage; 44. a first channel; 45. a second channel; 46. a seal ring; 5. a deflating screw; 6. and an oil inlet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

The utility model provides an interior oil duct combined type calliper assembly, including the calliper main part, the calliper main part includes support 1 and installs first pincers body 2 and the second pincers body 3 at support 1 both sides, be provided with first piston 21 and second piston 31 in first pincers body 2 and the second pincers body 3 respectively, first piston 21 and second piston 31 are respectively provided with friction disc 32 and two friction disc 32 relative settings in the inboard, the calliper main part is provided with and runs through support 1 and extend to first pincers body 2, the interior oil duct of second pincers body 3, the interior oil duct comprises first oil duct 41 in the first pincers body 2, the second oil duct 42 in the second pincers body 3, the third oil duct 43 in the support 1, first oil duct 41 communicates with the inner chamber of first piston 21 through first passageway 44, the second oil duct 42 communicates with the inner chamber of second piston 31 through second passageway 45. In fig. 1, a first caliper body 2 and a second caliper body 3 are respectively an inner caliper body and an outer caliper body, the two caliper bodies can also be exchanged into an outer caliper body and an inner caliper body, the first caliper body 2 and the second caliper body 3 are respectively connected to the inner side and the outer side of a support 1 through a fastener bolt 11, a friction plate 32 is installed in a friction plate groove of the support 1, a brake disc is arranged between the friction plates 32, the composite caliper realizes a hydraulic and exhaust channel through an inner oil duct sealing ring 46, the second caliper body 3 is provided with an air release screw 5, the second caliper body 3 is further provided with an oil inlet 6, when an automobile is braked, brake fluid is circulated to the support 1 and the first caliper body 2 through the inner oil duct by the second caliper body 3, and the pistons on the two sides respectively push the friction plates to clamp the brake disc, so that a braking effect is achieved. The inner oil duct is machined in a vertical machining mode, and the first channel and the second channel are formed by casting, so that the machining process can be reduced, the machining time is effectively reduced, and the machining is very convenient; of course, the first channel and the second channel can be machined, but the machining time is prolonged to a certain extent.

Two inner oil passages are provided, two ends of the first oil passage 41 are respectively connected with the two inner oil passages, and two ends of the second oil passage 42 are respectively connected with the two inner oil passages.

The first caliper body 2 and the second caliper body 3 are respectively installed with the bracket 1 through bolts 11, and the center line of the first oil passage 41, the center line of the second oil passage 42 and the center line of the third oil passage 43 on the same side after installation are located on the same straight line.

Seal rings 46 are provided between the adjacent first oil passage 41 and third oil passage 43, and between the second oil passage 42 and third oil passage 43.

Clamping grooves for containing the sealing rings 46 are formed between the first clamp body 2 and the support 1 and between the second clamp body 3 and the support 1.

The caliper body is provided with an air vent communicated with the outside, the air vent is communicated with the outside of the caliper body through a first oil duct 41 or a second oil duct 42, and an air vent screw 5 is arranged at the outlet of the air vent.

The caliper body is provided with an oil inlet 6, the oil inlet 6 being in communication with the first passage 44 or the second passage 45.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, 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 defined otherwise.

In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.

Claims

1. The utility model provides an interior oil duct combined type calliper assembly, includes the calliper main part, the calliper main part includes support (1) and installs first pincers body (2) and the second pincers body (3) in support (1) both sides, is provided with first piston (21) and second piston (31) in first pincers body (2) and the second pincers body (3) respectively, and first piston (21) and second piston (31) respectively are provided with friction disc (32) and two friction discs (32) and set up its characterized in that relatively in the inboard: the caliper main body is provided with an inner oil duct which penetrates through the support (1) and extends to the first caliper body (2) and the second caliper body (3), the inner oil duct is composed of a first oil duct (41) in the first caliper body (2), a second oil duct (42) in the second caliper body (3) and a third oil duct (43) in the support (1), the first oil duct (41) is communicated with an inner cavity of the first piston (21) through a first channel (44), and the second oil duct (42) is communicated with an inner cavity of the second piston (31) through a second channel (45).

2. The inner gallery composite caliper assembly as set forth in claim 1, wherein: two inner oil ducts are arranged, two ends of the first oil duct (41) are respectively connected with the inner oil ducts on two sides, and two ends of the second oil duct (42) are respectively connected with the inner oil ducts on two sides.

3. The inner gallery composite caliper assembly as set forth in claim 1, wherein: the first caliper body (2) and the second caliper body (3) are respectively installed with the support (1) through bolts, and the center line of the first oil duct (41), the center line of the second oil duct (42) and the center line of the third oil duct (43) on the same side are located on the same straight line after installation.

4. The inner gallery composite caliper assembly as set forth in claim 1, wherein: sealing rings (46) are arranged between the adjacent first oil channel (41) and the third oil channel (43) and between the second oil channel (42) and the third oil channel (43).

5. The inner gallery composite caliper assembly as set forth in claim 4, wherein: clamping grooves for containing the sealing rings (46) are formed between the first clamp body (2) and the support (1) and between the second clamp body (3) and the support (1).

6. The inner gallery composite caliper assembly as set forth in claim 1, wherein: the caliper body is provided with an air vent communicated with the outside, the air vent is communicated with the outside of the caliper body through a first oil duct (41) or a second oil duct (42), and an air vent screw (5) is arranged at the outlet of the air vent.

7. The inner gallery composite caliper assembly as set forth in claim 1, wherein: the caliper main body is provided with an oil inlet (6), and the oil inlet (6) is communicated with the first channel (44) or the second channel (45).