Dustproof cover structure of electronic mechanical brake

Abstract

The invention relates to a dust cover structure of an electronic mechanical brake, and relates to the technical field of electronic brake related structure design, the dust cover structure comprises a top base and a base, a corrugated pipe is fixed between the top base and the base, and a heat dissipation mechanism is arranged in the corrugated pipe in a penetrating manner. According to the electronic brake, through the built-in heat dissipation mechanism (comprising the inner cover, the buffer moving pipe and the bottom communicating pipe), a gas circulation path is formed in the dust cover, heat can be actively carried and discharged, the problem of heat accumulation generated by frequent use of the electronic brake is effectively solved, the use safety of the brake is improved, and the service life of the brake is prolonged. Meanwhile, the heat dissipation mechanism can be automatically adjusted according to the telescopic state (the distance between the top base and the base) of the dust cover; when the distance is long, gas circulation is started to enhance heat dissipation; and when the distance is short, gas circulation is isolated, the sealing performance is prevented from being affected, and intelligent heat management is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electronic brake related structure design, in particular to a dust cover structure of an electronic mechanical brake. BACKGROUND

[0002] Automobile intelligent trend: with the rapid development of automobile intelligence, the requirements for the brake system are getting higher and higher. Under the trend of rapid development of EMB (electronic mechanical brake) technology, the dust cover, as a key component for protecting the core electric drive unit, has high requirements. The requirements for rubber material are relatively harsh, and the sealing performance is good in the life cycle. In actual use, the electronic brake is used frequently, and a large amount of heat is easily generated. The heat dissipation of the dust cover is very important, but the sealing performance of the dust cover is high. In the case of super high frequency of use of the electronic brake, the heat in the dust cover is difficult to be quickly discharged, which affects the use safety of the electronic brake. SUMMARY

[0003] The purpose of the present application is to provide a dust cover structure of an electronic mechanical brake.

[0004] The technical problem solved by the present application is to solve the problem that the heat in the dust cover is difficult to be quickly discharged in the prior art.

[0005] The present application can be realized by the following technical scheme: a dust cover structure of an electronic mechanical brake, comprising a top base and a bottom base, a corrugated pipe fixed between the top base and the bottom base, and a heat dissipation mechanism penetrating through the corrugated pipe.

[0006] Further technical improvements of the present application are that the heat dissipation mechanism comprises an inner cover, the output end of the inner cover is provided with a buffer moving pipe, the buffer moving pipe is fixedly installed on the top base, and the buffer moving pipe and the top base are sealingly connected, and the bottom of the inner cover is communicatively provided with a bottom communication pipe.

[0007] Further technical improvements of the present application are that an inner sliding groove is formed in the inner cover, an inner piston is slidingly arranged in the inner sliding groove, and the inner sliding groove and the upper groove are communicated when the inner piston is longitudinally slid to a certain height.

[0008] Further technical improvements of the present application are that the fixed end of the inner cover is fixed on the bottom base, an inner sliding groove is arranged in the inner cover, an upper groove is formed in the inner sliding groove, the size of the upper groove is larger than that of the inner sliding groove, and an inner piston is slidingly arranged in the inner sliding groove.

[0009] Further technical improvements of the present application are that an outer fixed pipe is fixed on the inner piston, an inner discharge pipe is communicatively arranged at the bottom of the buffer moving pipe, the outer fixed pipe and the inner discharge pipe are fixedly connected, and the gas inlet perforations are arranged on the outer fixed pipe and the inner discharge pipe.

[0010] Further technical improvements of the present application are that a limiting isolation plate is fixed on the external fixing pipe.

[0011] Further technical improvements of the present application are that a guide plate is arranged between the upper groove and the internal sliding groove.

[0012] Further technical improvements of the present application are that the bottom communication pipe is connected to the side pipe, the side pipe is connected to the middle pipe through the side valve, and the middle pipe is connected to the refrigerator box.

[0013] Compared with the prior art, the present application has the following beneficial effects: 1. The built-in heat dissipation mechanism (including the internal cover, the buffer moving pipe and the bottom communication pipe) forms a gas flow path inside the dust cover, actively carries and discharges heat, effectively solves the problem of heat accumulation caused by frequent use of the electronic brake, and improves the use safety and service life of the brake. At the same time, the heat dissipation mechanism can automatically adjust according to the extension state (the distance between the top base and the bottom) of the dust cover: when the distance is far, the gas flow is opened to enhance heat dissipation; when the distance is close, the gas flow is isolated to avoid affecting the sealing, realizing intelligent heat management.

[0014] 2. The design of the heat dissipation mechanism of the present application ensures that the gas flow only passes through the specified path (such as the internal sliding groove, the upper groove and the gas entering perforation), and does not leak into the dust cover, thereby maintaining the high sealing of the dust cover. The internal piston, the limiting isolation plate and the guide plate and other components work together to not damage the isolation function of the dust cover during heat dissipation, ensuring that external dust and pollutants cannot enter, protecting the core electric drive unit.

[0015] 3. The present application connects the refrigerator box and the side pipe to introduce the cooled gas for forced cooling, further optimizes the heat dissipation effect, and adapts to high-frequency or high-temperature working environment. The integration of the micro pump allows independent control of gas flow, improving the initiative and efficiency of heat dissipation.

[0016] 4. The bellows cooperates with the moving sliding sleeve, moving spring and other guide components to limit the movement of the bellows only in the straight line direction, reduce wrinkles and deformation, prevent early damage, and prolong the overall service life of the dust cover. The whole structure is compact and integrated inside the dust cover, without increasing additional space occupation, ensuring stable operation of the brake system. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to facilitate the understanding of those skilled in the art, the present application will be further described below with reference to the accompanying drawings.

[0018] Figure 1 The present application is an internal sliding groove position diagram; Figure 2A schematic view of the mobile spring position of the present application; Figure 3 A schematic view of the micro pump position of the present application; Figure 4 A schematic view of the refrigerator box connecting position of the present application; Figure 5 A schematic view of the present application Figure 1 A partial enlarged view at A in the present application.

[0019] In the figure: 1, buffer mobile pipe; 2, top base; 3, corrugated pipe; 4, internal cover; 5, base; 6, bottom communication pipe; 7, internal base; 8, internal sliding groove; 9, internal piston; 10, limiting insulation plate; 11, buffer sleeve; 12, mobile push rod; 13, mobile sliding sleeve; 14, mobile spring; 15, bottom support frame; 16, mobile sliding plate; 17, flow-through pipe; 18, micro pump; 19, side pipe; 20, intermediate pipe; 21, refrigerator box; 22, side valve; 23, gas inlet perforation; 24, upper groove; 25, guide plate; 26, external fixed pipe; 27, internal exhaust pipe. DETAILED DESCRIPTION

[0020] In order to further illustrate the technical means and effects adopted by the present application to achieve the predetermined inventive purpose, the following will be described in detail according to the specific embodiments, structures, features and effects of the present application, combined with the preferred embodiments and the drawings.

[0021] Please refer to Figures 1-5 As shown in the figure, the dust cover structure of the electronic mechanical brake includes a top base 2 and a base 5, wherein a corrugated pipe 3 is fixed between the top base 2 and the base 5. In the present application, the dust cover mechanism is formed by the top base 2, the corrugated pipe 3 and the base 5, which satisfies the maximum movement stroke of the dust cover shell and does not appear wrinkles and dents during use.

[0022] Further, in the present application, an internal cover 4 is fixedly installed on the base 5, wherein the output end of the internal cover 4 is provided with a buffer mobile pipe 1, which is fixedly installed on the top base 2, and the buffer mobile pipe 1 and the top base 2 are sealingly connected. Meanwhile, the bottom of the internal cover 4 is provided with a bottom communication pipe 6, through which the gas enters the inside of the internal cover 4, and then is discharged through the buffer mobile pipe 1, so as to realize the passing of the gas. At this time, since the gas passes from the inside of the corrugated pipe 3, it is convenient to carry heat, so as to realize the heat dissipation treatment of the inside of the dust cover.

[0023] As a further embodiment of the application, when the distance between the top base 2 and the base 5 is the closest, at this time the heat is not high, and the bellows 3 does not need to be cooled, so the inner cover 4 is internally provided with an inner sliding groove 8, wherein the inner sliding groove 8 is internally slidably provided with an inner piston 9, wherein when the inner piston 9 longitudinally slides to a certain height, at this time the inner sliding groove 8 and the upper groove 24 are communicated, at this time the external gas enters the inner sliding groove 8 through the bottom communication pipe 6, and then enters the inner cover 24, and then is discharged through the buffer moving pipe 1. In this process, when the top base 2 and the base 5 are far apart, at this time the gas flows from the inner cover 4, realizing the cooling of the inner cover. When the top base 2 and the base 5 are close, at this time the inner piston 9 is used to realize the isolation of the inner sliding groove 8 and the upper groove 24, at this time the external gas does not need to flow to affect the isolation performance of the dust cover.

[0024] Specifically, the fixed end of the inner cover 4 is fixed on the base 5, wherein the inner cover 4 is internally provided with an inner sliding groove 8, and an upper groove 24 is formed on the inner sliding groove 8, the size of the upper groove 24 is larger than the size of the inner sliding groove 8, and an inner piston 9 is slidably arranged on the inner sliding groove 8, the outer fixed pipe 26 is fixed on the inner piston 9, the bottom of the buffer moving pipe 1 is communicated with the inner discharge pipe 27, the outer fixed pipe 26 and the inner discharge pipe 27 are fixedly connected, the gas inlet hole 23 is formed on the outer fixed pipe 26 and the inner discharge pipe 27, the gas enters, and the limiting isolation plate 10 is fixed on the outer fixed pipe 26, the gas inlet hole 23 is formed below the limiting isolation plate 10, the limiting isolation plate 10 and the upper groove 24 are piston slidably connected, for realizing the linear discharge of the gas through the gas inlet hole 23, avoiding the gas entering the inner cover to affect the isolation ability of the dust cover.

[0025] As a further embodiment of the application, the guide plate 25 is arranged between the upper groove 24 and the inner sliding groove 8, for guiding the inner piston 9, when the inner piston 9 enters the inner cover 24, at this time the gas enters the inner cover 24 through the side of the inner piston 9, at this time the gas enters the gas inlet hole 23 through the upper groove 24, the gas enters the inner discharge pipe 27, and then enters the buffer moving pipe 1, and the gas is discharged through the buffer moving pipe 1. In this process, the gas does not enter the inner cover, ensuring the isolation performance of the dust cover.

[0026] Further, in order to ensure the flow performance of the gas, the flow pipe 17 is fixed on the buffer moving pipe 1 through the micro pump 18, wherein the micro pump 18 is used to automatically realize the passage of the gas, so in this process the inner piston 9 is not needed, the gas directly enters the inner cover 24 through the inner sliding groove 8, and then is discharged from the flow pipe 17, which is convenient for taking out the heat in the dust cover.

[0027] Further, in order to further discharge the heat inside the dust cover, the bottom communication pipe 6 is connected to the side pipe 19, the side pipe 19 is connected to the middle pipe 20 through the side valve 22, the middle pipe 20 is connected to the refrigerator box 21, and the gas pump inside the refrigerator box 21 is used to input the refrigerated gas to the middle pipe 20, so as to pass through the inner cover 4 and realize the cooling function of the dust cover.

[0028] In order to ensure the use function of the corrugated pipe 3, the bottom support frame 15 is fixed on the base 5, and the moving sleeve 13 is fixed on the base 5, the moving spring 14 is fixed in the moving sleeve 13, the moving slide plate 16 is slidably arranged at the end of the moving spring 14, the moving slide plate 16 and the moving sleeve 13 are slidably connected, the top base 2 is fixed on the moving slide plate 16 through the moving push rod 12, and in the embodiment, the moving sleeve 13 can guide the corrugated pipe 3, avoid large deformation, and only move in a straight line, so as to ensure the service life of the corrugated pipe 3.

[0029] When the inner piston 9 enters the upper groove 24, the gas enters the inside of the upper groove 24 through the side of the inner piston 9, the gas enters the inside of the gas entering perforation 23 through the upper groove 24, the device gas enters the inside of the inner exhaust pipe 27, and the gas enters the inside of the buffer moving pipe 1, and the gas is discharged through the buffer moving pipe 1, in the process, the gas does not enter the inside of the corrugated pipe 3, and the isolation performance of the dust cover is ensured.

[0030] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, without departing from the technical solution of the present application. Any modification, change, equivalent change and modification of the above embodiments, which does not depart from the technical solution of the present application, is still within the scope of the present application.

Claims

1. A dust shield structure for an electromechanical brake, characterized by: Including top base (2) and base (5), corrugated pipe (3) is fixed between top base (2) and base (5), heat dissipation mechanism is arranged inside corrugated pipe (3).

2. The dust shield structure of an electromechanical brake according to claim 1, wherein The heat dissipation mechanism includes an inner cover (4), the output end of the inner cover (4) is provided with a buffer moving pipe (1), the buffer moving pipe (1) is fixedly installed on the top base (2), and the buffer moving pipe (1) and the top base (2) are sealingly connected, and the bottom of the inner cover (4) is communicatively provided with a bottom communication pipe (6).

3. The dust shield structure of an electromechanical brake according to claim 2, wherein The inner cover (4) is internally provided with an inner sliding groove (8), the inner sliding groove (8) is internally slidably provided with an inner piston (9), when the inner piston (9) is longitudinally slid to a certain height, the inner sliding groove (8) is communicated with an upper groove (24).

4. The dust shield structure of an electromechanical brake according to claim 2, wherein The fixed end of the inner cover (4) is fixed on the base (5), the inner cover (4) is internally provided with an inner sliding groove (8), and the inner sliding groove (8) is internally provided with an upper groove (24), the size of the upper groove (24) is greater than the size of the inner sliding groove (8), and the inner sliding groove (8) is slidably provided with an inner piston (9).

5. The dust shield structure of an electromechanical brake according to claim 4, wherein The inner piston (9) is fixedly provided with an outer fixed pipe (26), the bottom of the buffer moving pipe (1) is communicatively provided with an inner discharge pipe (27), the outer fixed pipe (26) and the inner discharge pipe (27) are fixedly connected, and the gas enters the perforations (23) arranged on the outer fixed pipe (26) and the inner discharge pipe (27).

6. The dust shield structure of an electromechanical brake according to claim 5, wherein The outer fixed pipe (26) is fixedly provided with a limiting isolation plate (10).

7. The dust shield structure of an electromechanical brake according to claim 6, wherein The upper groove (24) and the inner sliding groove (8) are provided with a guide plate (25).

8. The dust shield structure of an electromechanical brake according to claim 5, wherein The bottom communication pipe (6) is connected to a side pipe (19), the side pipe (19) is connected to a middle pipe (20) through a side valve (22), and the middle pipe (20) is connected to a refrigerator box (21).

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