CN218347938U - Maintenance-free structure for brake camshaft - Google Patents
Maintenance-free structure for brake camshaft Download PDFInfo
- Publication number
- CN218347938U CN218347938U CN202222267665.1U CN202222267665U CN218347938U CN 218347938 U CN218347938 U CN 218347938U CN 202222267665 U CN202222267665 U CN 202222267665U CN 218347938 U CN218347938 U CN 218347938U
- Authority
- CN
- China
- Prior art keywords
- camshaft
- brake
- bottom plate
- air chamber
- maintenance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model discloses a brake camshaft non-maintaining maintenance structure, including camshaft, braking bottom plate and air chamber support all cup joint in the camshaft, braking bottom plate and air chamber support are connected with the camshaft through wear assembly respectively, and one side that two wear assembly kept away from each other is equipped with an one-way oil blanket respectively, and the opening of two one-way oil blankets sets up dorsad, and the opening of two one-way oil blankets all sets up outwards. The utility model discloses a set up one-way oil blanket, wear-resisting subassembly and spacer at camshaft both ends, when realizing the effect of outside dustproof, inside lubricating grease anti-overflow for the operational reliability of stopper camshaft has obtained promoting by a wide margin, and then when guaranteeing that the stopper camshaft possesses lower fortune dimension cost, operational reliability has obtained improvement by a wide margin.
Description
Technical Field
The utility model belongs to commercial car drum brake field, concretely relates to brake camshaft non-maintaining maintenance structure.
Background
The brake is one of reliable guarantee systems for normal operation of the vehicle, and the efficient and reliable operation of the brake determines the safety of the vehicle operation, so that the brake is particularly important for effective maintenance of the brake; the drum brake in the field of commercial vehicles has lower cost and excellent braking performance, and is widely applied in the field, the advantages and the disadvantages of the performance of the brake are closely related to the maintenance of a brake camshaft, the conventional brake camshaft structure needs to be lubricated and maintained regularly, and external pollutants easily invade the installation position of the camshaft, so that the vehicle has higher operation and maintenance cost, and serious braking faults are easily caused; therefore, it is urgently needed to design a maintenance-free structure of the brake camshaft with excellent braking performance and low cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a brake camshaft non-maintaining maintenance structure solves the problem that the fortune that brake camshaft structure exists maintains with high costs, the reliability is poor.
In order to solve the above problems existing in the prior art, the utility model discloses the technical scheme who adopts is:
a brake camshaft maintenance-free structure comprises a camshaft, a brake bottom plate and a gas chamber support.
The brake bottom plate and the air chamber support are both sleeved on the cam shaft and are connected with the cam shaft through the wear-resistant components respectively, one side, away from each other, of each of the two wear-resistant components is provided with one-way oil seal respectively, openings of the two one-way oil seals are arranged in a back mode, and the openings of the two one-way oil seals are arranged outwards.
Through set up one-way oil blanket, wear-resisting subassembly and spacer at camshaft both ends, when realizing the effect of outside dustproof, inside lubricating grease anti-overflow for the operational reliability of stopper camshaft has obtained promoting by a wide margin, and then when guaranteeing that the stopper camshaft possesses lower fortune dimension cost, operational reliability has obtained improvement by a wide margin.
Further, camshaft formula structure as an organic whole, camshaft include cam structure, polished rod and spline, the both ends of polished rod are located respectively to cam structure and spline, brake shoe connects in the one end that the polished rod is close to the camshaft, air chamber leg joint is in the one end that the polished rod is close to the spline, and one of them one-way oil blanket is located between polished rod and the brake shoe, and another one-way oil blanket is located between polished rod and the air chamber support, sets up wear-resisting subassembly in the inside of one-way oil blanket, can improve lubricated effect, can also accomplish to be isolated with external, plays fine dustproof effect.
Furthermore, the wear-resistant component is a needle bearing, a metal bushing or a non-metal bushing, and when the wear-resistant component is the needle bearing, the traditional rotation friction is changed into rolling friction, so that the friction force is greatly reduced.
Furthermore, the cam structure is in contact with the end face of the brake bottom plate, a spacer bush is arranged at one end, away from the brake bottom plate, of the air chamber support, the spacer bush is sleeved on the cam shaft, the spacer bush arranged on the air chamber support is of an optional structure, and selective assembly can be carried out according to requirements;
furthermore, the brake bottom plate and the air chamber support are of an integrated structure.
Furthermore, the braking bottom plate and the air chamber support are of a clamping structure.
The beneficial effects of the utility model are that: through set up one-way oil blanket, wear-resisting subassembly and spacer at camshaft both ends, when realizing the effect of outside dustproof, inside lubricating grease anti-overflow for the operational reliability of stopper camshaft has obtained promoting by a wide margin, and then when guaranteeing that the stopper camshaft possesses lower fortune dimension cost, operational reliability has obtained improvement by a wide margin.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a partial perspective view of portion A of FIG. 1;
FIG. 3 is a partial perspective view of portion B of FIG. 1;
fig. 4 is a schematic view of a brake camshaft structure in the present application.
In the figure: 1-a camshaft; 11-cam configuration; 12-a polish rod; 13-splines; 2-one-way oil seal; 3-a wear resistant component; 4-a braking bottom plate; 5-air chamber support; 8-spacer bush.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and reference numerals.
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
The terms "first," "second," "third," and the like are used solely to distinguish one from another as to indicate or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It should be understood that the description herein is provided for illustration and explanation of the invention and is not intended to limit the invention.
Example 1:
as shown in fig. 1-3, a maintenance-free structure of a brake camshaft comprises a camshaft 1, a brake bottom plate 4 and an air chamber bracket 5.
Through set up one-way oil blanket at the both ends of camshaft, can play fine dustproof, prevent the effect that lubricating oil leaks outward for the operational reliability of stopper camshaft 1 has obtained promoting by a wide margin.
Example 2:
as shown in fig. 1-4, a maintenance-free structure of a brake camshaft comprises a camshaft 1, a brake bottom plate 4 and an air chamber bracket 5.
This application is through setting up one-way oil blanket 2, wear-resisting subassembly 3 and spacer 8 at 1 both ends of camshaft, when realizing the effect of outside dustproof, inside lubricating grease anti-overflow for the operational reliability of stopper camshaft 1 has obtained promoting by a wide margin, and then when guaranteeing that stopper camshaft 1 possesses lower fortune dimension cost, operational reliability has obtained improvement by a wide margin.
Camshaft 1 formula structure as an organic whole, camshaft 1 include cam structure 11, polished rod 12 and spline 13, the both ends of polished rod 12 are located respectively to cam structure 11 and spline 13, backing plate 4 is connected in polished rod 12 and is close to the one end of camshaft 1, air chamber support 5 is connected in polished rod 12 and is close to the one end of spline 13, and one of them one-way oil blanket 2 is located between polished rod 12 and backing plate 4, and another one-way oil blanket 2 is located between polished rod 12 and air chamber support 5.
Set up wearing parts 3 in one-way oil blanket 2's inside, can improve lubricated effect, can also accomplish to be isolated with external, play fine dustproof effect.
The wear-resistant component 3 is a needle bearing, a metal bushing or a non-metal bushing.
When the wear-resistant component 3 is a needle bearing, the traditional rotation friction is changed into rolling friction, and the friction force is greatly reduced.
The cam structure 11 is in contact with the end face of the brake bottom plate 4, a spacer bush 8 is arranged at one end, away from the brake bottom plate 4, of the air chamber support 5, and the spacer bush 8 is sleeved on the cam shaft 1.
The spacer bush 8 arranged on the air chamber bracket 5 is of an optional structure and can be selectively assembled according to requirements;
the brake bottom plate 4 and the air chamber bracket 5 are of an integrated structure.
The brake bottom plate 4 and the air chamber bracket 5 are of clamping structures.
The specific installation mode is as follows:
during installation, the one-way oil seal 2 and the wear-resistant component 3 are connected to the polish rod 12, then the camshaft 1 penetrates through the brake bottom plate 4 and the air chamber support 5, then the wear-resistant component 3 and the one-way oil seal 2 are installed on the air chamber support 5, and finally the spacer 8 is installed.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (6)
1. A brake camshaft non-maintaining maintenance structure which characterized in that: comprises a camshaft (1), a brake bottom plate (4) and an air chamber bracket (5);
brake bottom plate (4) and air chamber support (5) all cup joint in camshaft (1), brake bottom plate (4) and air chamber support (5) are connected with camshaft (1) through wear-resisting subassembly (3) respectively, and one side that two wear-resisting subassemblies (3) kept away from each other is equipped with one-way oil blanket (2) respectively, and the opening of two one-way oil blankets (2) sets up dorsad.
2. The maintenance-free structure of a brake camshaft according to claim 1, characterized in that: camshaft (1) includes cam structure (11), polished rod (12) and spline (13), the both ends of polished rod (12) are located respectively in cam structure (11) and spline (13), connection in polished rod (12) is close to the one end of camshaft (1) in braking bottom plate (4), air chamber support (5) are connected in polished rod (12) and are close to the one end of spline (13).
3. The maintenance-free structure of a brake camshaft according to claim 2, characterized in that: the wear-resistant component (3) is a needle bearing, a metal bushing or a non-metal bushing.
4. The maintenance-free structure of a brake camshaft according to claim 2, characterized in that: the cam structure (11) is in contact with the end face of the brake bottom plate (4), a spacer bush (8) is arranged at one end, away from the brake bottom plate (4), of the air chamber support (5), and the spacer bush (8) is sleeved on the cam shaft (1).
5. The maintenance-free structure of a brake camshaft according to claim 1, characterized in that: the brake bottom plate (4) and the air chamber support (5) are of an integrated structure.
6. The maintenance-free structure of a brake camshaft according to claim 1, characterized in that: the brake bottom plate (4) and the air chamber support (5) are of clamping structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222267665.1U CN218347938U (en) | 2022-08-24 | 2022-08-24 | Maintenance-free structure for brake camshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222267665.1U CN218347938U (en) | 2022-08-24 | 2022-08-24 | Maintenance-free structure for brake camshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218347938U true CN218347938U (en) | 2023-01-20 |
Family
ID=84917123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222267665.1U Active CN218347938U (en) | 2022-08-24 | 2022-08-24 | Maintenance-free structure for brake camshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218347938U (en) |
-
2022
- 2022-08-24 CN CN202222267665.1U patent/CN218347938U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3778339B1 (en) | Bullet train gauge-changeable bogie for railway vehicle | |
| CN218347938U (en) | Maintenance-free structure for brake camshaft | |
| CN210344056U (en) | Thrust damping bearing | |
| US5141339A (en) | Brake shaft bearing assemblies | |
| CN110774850A (en) | Leaf spring expansion end support assembly | |
| CN215826425U (en) | Leaf spring pin structure and vehicle | |
| US3220515A (en) | Brake shoe guide mechanism | |
| CN212177654U (en) | Third-generation hub bearing | |
| CN209761513U (en) | Rotatable valve bridge device | |
| CN202579673U (en) | Positioning structure of engine crankshaft thrust plate | |
| CN207712064U (en) | The high-speed EMUs carrying wheel set axle box device of quasi- arrow gauge conversion | |
| CN211617363U (en) | Balance shaft mounting structure | |
| CN220577353U (en) | Maintenance-free steering knuckle assembly | |
| CN2328826Y (en) | Rubber labyrinth lorry shaft seal device | |
| CN218935092U (en) | Lightweight drum brake | |
| CN207015421U (en) | Automobile steering plumbing arm assembly | |
| CN219472603U (en) | Camshaft sealing device for axle | |
| CN214450011U (en) | Wheel end assembly and vehicle | |
| CN219045530U (en) | Anti-lock brake drum for automobile | |
| KR100641429B1 (en) | Supporting Apparatus of Knuckle and Wheel Bearing Assembly | |
| CN215101382U (en) | Bearing gland subassembly for hauler | |
| CN218954029U (en) | Novel hub sealing ring assembly with wear-resistant gasket | |
| CN209441105U (en) | Elastic wheel and rail vehicle used for rail vehicle | |
| CN216969797U (en) | Connecting structure between front axle hub and steering knuckle assembly of commercial vehicle | |
| CN211416879U (en) | Leaf spring expansion end support assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |