Auxiliary device for filling brake fluid

By designing an auxiliary device for filling brake fluid, the problem of structural limitations between the filling equipment and the vehicle's filling port was solved, achieving efficient and accurate brake fluid filling and improved sealing.

CN223316402UActive Publication Date: 2025-09-09CHINA FAW CO LTD
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Patent Information

Application Number
CN202422025293.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-20
Publication Date
2025-09-09
Estimated Expiration
2034-08-20

AI Technical Summary

Technical Problem

Structural limitations of existing filling equipment and vehicle filling ports result in poor sealing performance, making it impossible to efficiently and accurately complete brake fluid filling, and even causing waste of brake fluid.

Method used

An auxiliary device for filling brake fluid is designed, including a main body and a connecting part. A liquid inlet and a liquid outlet with a variable diameter structure are formed inside the main body. The connecting part is stably connected to the filling equipment and the vehicle filling port through a clamping ring and an end cover to ensure the formation of a sealed passage.

Benefits of technology

It achieves efficient and accurate filling of brake fluid, improves the sealing performance of the filling equipment and the filling port, and avoids waste of brake fluid.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an auxiliary device for filling brake fluid, and relates to the field of brake fluid filling. When filling operation needs to be carried out on the automobile, the second connecting part and the filling port are correspondingly clamped, so that the liquid outlet communicates with the filling port; the first connecting part is correspondingly clamped with the filling equipment, so that the liquid inlet is correspondingly communicated with the filling equipment; in this way, a sealed passage from the filling equipment to the filling port is formed, and therefore brake fluid in the filling equipment can be efficiently and accurately guided into the filling port.
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Description

Technical Field

[0001] The present application relates to the field of brake fluid filling, and in particular to an auxiliary device for filling brake fluid. Background Art

[0002] During the production process of the car in the factory, the assembly workshop will add brake fluid to the car. Figure 1 as well as Figure 2 As shown, due to the structural limitations of the existing filling equipment and the car's filling port, the filling equipment and the filling port cannot be completely matched, resulting in poor sealing performance at the connection between the two, inability to complete filling efficiently and accurately, and even causing waste of brake fluid. Utility Model Content

[0003] In view of this, the purpose of this application is to provide an auxiliary device for filling brake fluid to solve the problem of being unable to accurately and efficiently fill brake fluid due to structural limitations of existing filling equipment and automobile filling ports.

[0004] In accordance with the above objectives, the present invention provides an auxiliary device for filling brake fluid, wherein the auxiliary device for filling brake fluid comprises:

[0005] a main body, the main body being provided with a liquid inlet and a liquid outlet communicating with each other; and

[0006] The connecting part includes a first connecting part that is connected to the filling device and a second connecting part that is connected to the filling port of the car. When the first connecting part is connected to the filling device, the liquid inlet is connected to the filling device. When the second connecting part is connected to the filling port, the liquid outlet is connected to the filling port.

[0007] Preferably, the main body is formed into a columnar structure, a cavity is formed inside the main body, and the cavity passes through the main body along the axial direction of the main body to form the liquid inlet and the liquid outlet at the first end and the second end of the main body respectively.

[0008] Preferably, the cavity is formed with a large diameter section and a small diameter section connected in sequence, so that the cavity is formed into a variable diameter structure, and the diameter of the liquid inlet is larger than the diameter of the liquid outlet.

[0009] Preferably, the first connecting portion includes a snap ring that is snap-connected to the filling device.

[0010] Preferably, there are two snap rings, which are sleeved on the outer side wall of the first end of the main body, and are spaced apart along the axis of the main body.

[0011] Preferably, the second connecting portion further comprises an end cover sleeved on the outer side wall of the second end of the main body, and the end cover is formed into a groove-shaped structure.

[0012] Preferably, when the second connecting portion is connected to the filling port, the second end of the main body extends to the inside of the filling port, and the outer side wall of the second end of the main body is in contact with the inner side wall of the filling port; the outer side wall of the filling port is in contact with the inner side wall of the end cover.

[0013] Preferably, a plurality of annular sealing grooves are formed on the outer side wall of the second end of the main body, and corresponding sealing rings are provided in the annular sealing grooves.

[0014] Preferably, a plurality of clamping blocks corresponding to the filling port are arranged at intervals on the inner side wall of the end cover.

[0015] Preferably, the clamping block is formed into an arc-shaped structure protruding toward the main body, and an arc-shaped protrusion corresponding to the filling port is formed on the bottom of the clamping block.

[0016] According to an auxiliary device for filling brake fluid of the utility model, when it is necessary to fill the car, the second connecting part is firstly connected to the filling port so that the liquid outlet is connected to the filling port; then the first connecting part is connected to the filling device so that the liquid inlet is connected to the filling device; in this way, a sealed passage is formed from the filling device to the filling port, so that the brake fluid in the filling device can be efficiently and accurately introduced into the filling port.

[0017] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 is a schematic diagram of an existing filling device;

[0020] Figure 2 It is a schematic diagram of a fuel filling port of an existing automobile;

[0021] Figure 3 is a schematic diagram of an auxiliary device for adding brake fluid according to the utility model;

[0022] Figure 4It is a cross-sectional view of an auxiliary device for adding brake fluid according to the utility model.

[0023] Icons: 1-main body; 10-liquid inlet; 11-liquid outlet; 12-cavity; 201-first clamping ring; 202-second clamping ring; 21-end cover; 22-annular sealing groove; 220-sealing ring; 23-clamping block; 24-arc-shaped protrusion; 3-arc-shaped groove; 4-claw. DETAILED DESCRIPTION

[0024] The following detailed description is provided to help the reader gain a comprehensive understanding of the methods, devices, and / or systems described herein. However, various changes, modifications, and equivalents of the methods, devices, and / or systems described herein will be apparent upon understanding the disclosure of this application. For example, the order of operations described herein is merely illustrative and is not limited to the order set forth herein. Rather, except for operations that must occur in a particular order, changes may be made that will be apparent upon understanding the disclosure of this application. Furthermore, descriptions of features known in the art may be omitted for clarity and brevity.

[0025] The features described herein may be implemented in different forms and should not be construed as being limited to the examples described herein. Rather, the examples described herein have been provided merely to illustrate some of the many possible ways to implement the methods, devices, and / or systems described herein that will be apparent upon understanding the disclosure of this application.

[0026] Throughout the specification, when an element (such as a layer, region, or substrate) is described as being “on,” “connected to,” “coupled to,” “over,” or “overlaying” another element, it may be directly “on,” “connected to,” “coupled to,” “over,” or “overlaying” another element, or one or more other elements may be present between them. In contrast, when an element is described as being “directly on,” “directly connected to,” “directly coupled to,” “directly over,” or “directly covering” another element, there may be no other elements present between them.

[0027] As used herein, the term "and / or" includes any one of the associated listed items and any combination of any two or more items.

[0028] Although terms such as "first," "second," and "third" may be used herein to describe various members, components, regions, layers, or portions, these members, components, regions, layers, or portions are not limited by these terms. Rather, these terms are used only to distinguish one member, component, region, layer, or portion from another member, component, region, layer, or portion. Thus, a first member, component, region, layer, or portion in the examples described herein may also be referred to as a second member, component, region, layer, or portion without departing from the teachings of the examples.

[0029] For ease of description, spatially relative terms such as "above," "upper," "below," and "lower" may be used herein to describe the relationship of one element to another element as shown in the accompanying drawings. Such spatially relative terms are intended to encompass different orientations of the device in use or operation, in addition to the orientation depicted in the accompanying drawings. For example, if the device in the accompanying drawings is turned over, an element described as being "above" or "upper" relative to another element would subsequently be located "below" or "lower" relative to the other element. Thus, the term "above" encompasses both the orientations of "above" and "below," depending on the spatial orientation of the device. The device may also be positioned in other ways (e.g., rotated 90 degrees or in other orientations), and the spatially relative terms used herein will be interpreted accordingly.

[0030] The terms used herein are intended only to describe various examples and are not intended to limit the present disclosure. Unless the context clearly indicates otherwise, the singular is intended to include the plural. The terms "comprise," "include," and "have" list the presence of stated features, quantities, operations, components, elements, and / or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and / or combinations thereof.

[0031] Due to manufacturing techniques and / or tolerances, variations in the shapes shown in the drawings may occur. Therefore, the examples described herein are not limited to the specific shapes shown in the drawings but include changes in shapes that occur during manufacturing.

[0032] The features of the examples described herein can be combined in various ways that will be apparent after understanding the disclosure of the present application. In addition, although the examples described herein have various configurations, other configurations are possible as will be apparent after understanding the disclosure of the present application.

[0033] This utility model provides an auxiliary device for filling brake fluid. The auxiliary device includes a main body 1 and a connecting portion connected to the main body 1. The connecting portion enables a stable connection between the main body 1 and the filling device and the filling port, thereby enabling efficient and accurate introduction of brake fluid. The specific structure of the auxiliary device for filling brake fluid according to the utility model will be described in detail below.

[0034] In this embodiment, if Figures 3 and 4 As shown, the main body 1 is formed into a cylindrical structure with a cavity 12 formed therein. The cavity 12 extends through the main body 1 along its axis, forming a liquid inlet 10 and a liquid outlet 11 at the first and second ends of the main body 1 (in the axial direction), respectively, to facilitate the filling of brake fluid. Furthermore, the cavity 12 is formed with a large-diameter section and a small-diameter section connected in sequence, forming a variable-diameter structure, and the diameter of the liquid inlet 10 is larger than the diameter of the liquid outlet 11.

[0035] In this embodiment, the connecting portion includes a first connecting portion that can be connected to the filling device. When the two are connected, the liquid inlet 10 is connected to the filling device. Figure 1 and Figure 3 As shown, the first connection portion includes a snap ring that engages with the filling device. There are two snap rings (i.e., a first snap ring 201 and a second snap ring 202), which are sleeved onto the outer sidewall of the first end of the main body 1 and spaced apart along the axis of the main body 1. Specifically, the first snap ring 201 is closer to the end of the first end of the main body 1 than the second snap ring 202. When the filling device is engaged with the auxiliary device, the liquid injection port of the filling device extends through the liquid inlet 10 into the cavity 12. The housing of the filling device is formed with a stepped structure that abuts against the side of the first snap ring 201 away from the second snap ring 202, thus providing a positioning effect for the first snap ring 201. The claw 4 then engages with the second snap ring 202.

[0036] Furthermore, the second connection portion includes an end cap 21 that is sleeved onto the outer wall of the second end of the main body 1. This end cap 21 is formed into a groove-like structure. Thus, when the second connection portion is connected to the corresponding filling port, the second end of the main body 1 extends into the interior of the filling port, and the outer wall of the second end of the main body 1 abuts against the inner wall of the filling port, and the outer wall of the filling port abuts against the inner wall of the end cap 21, thereby achieving communication between the liquid outlet 11 and the filling port. Furthermore, to improve the sealing performance of the connection between the auxiliary device and the filling port, the outer wall of the second end of the main body 1 is formed with multiple annular sealing grooves 22 (two in this embodiment), each of which is provided with a corresponding sealing ring 220. Furthermore, a corresponding sealing ring 220 is also provided at the bottom of the end cap 21.

[0037] In addition, the inner sidewall of the end cap 21 is spaced apart with multiple snap-in blocks 23 (three in this embodiment) corresponding to the filling port. Each snap-in block 23 is formed as an arc-shaped structure protruding toward the main body 1, specifically forming a quasi-L-shaped structure (i.e., its horizontal and vertical sections are both arc-shaped and conform to the inner sidewall of the end cap 21). The bottom of each snap-in block 23 (horizontal section) is formed with an arc-shaped protrusion 24 corresponding to the filling port (the arc-shaped groove 3). Thus, when the auxiliary device is connected to the filling port, the end cap 21 is first placed over the outer sidewall of the filling port, with the snap-in block 23 positioned between two adjacent protrusions on the outer sidewall of the filling port. The auxiliary device is then rotated so that the arc-shaped protrusion 24 of the snap-in block 23 engages with the arc-shaped groove 3 of the filling port, thereby achieving a stable connection between the second connecting portion and the filling port.

[0038] Furthermore, the raised structure on the outer wall of the filling port is also formed into a quasi-L-shaped structure. When the clamping block 23 is engaged with the filling port, the vertical section of the filling port abuts the horizontal section of the clamping block 23, and the horizontal section of the filling port abuts the vertical end of the clamping block 23. This acts as a position limiter for the clamping block 23, thereby increasing the stability of the connection between the second connecting portion and the filling port. Once filling is complete, the second connecting portion can be separated from the filling port by twisting the auxiliary device in the opposite direction.

[0039] It should be noted that there are no specific restrictions on the specifications of the various structures in this auxiliary device (such as the end cover 21, the retaining ring, etc.), and they should be determined comprehensively based on actual conditions, such as the specific structural specifications of the filling port and the filling equipment, as long as the above-mentioned technical effects can be achieved.

[0040] According to the auxiliary device for filling brake fluid as described above, when it is necessary to fill the car, the second connecting part is first connected to the filling port in a corresponding manner so that the liquid outlet 11 is connected to the filling port; then the first connecting part is connected to the filling device in a corresponding manner so that the liquid inlet 10 is connected to the filling device; in this way, a sealed passage is formed from the filling device to the filling port, so that the brake fluid in the filling device can be efficiently and accurately introduced into the filling port.

[0041] Finally, it should be noted that the above-described embodiments are only specific implementation methods of the present application, which are used to illustrate the technical solutions of the present application, rather than to limit them. The scope of protection of the present application is not limited thereto. Although the present application has been described in detail with reference to the above-described embodiments, those skilled in the art should understand that any person skilled in the art can modify or easily conceive of changes to the technical solutions described in the above-described embodiments within the technical scope disclosed in the present application, or replace some of the technical features therein with equivalents. Such modifications, changes, or replacements do not deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be described in the scope of protection of the claims.

Claims

1. An auxiliary device for filling brake fluid, characterized in that: The auxiliary device for adding brake fluid includes: a main body, the main body being provided with a liquid inlet and a liquid outlet communicating with each other; and A connecting portion is connected to the main body, and the connecting portion includes a first connecting portion corresponding to the filling device and a second connecting portion corresponding to the filling port of the car. When the first connecting portion is engaged with the filling device, the liquid inlet is connected to the filling device, and when the second connecting portion is engaged with the filling port, the liquid outlet is connected to the filling port.

2. The auxiliary device for filling brake fluid according to claim 1, characterized in that: The main body is formed into a columnar structure, and a cavity is formed inside the main body. The cavity penetrates the main body along the axial direction of the main body to form the liquid inlet and the liquid outlet at the first end and the second end of the main body respectively.

3. The auxiliary device for filling brake fluid according to claim 2, characterized in that: The cavity is formed with a large diameter section and a small diameter section connected in sequence, so that the cavity is formed into a variable diameter structure, and the diameter of the liquid inlet is larger than the diameter of the liquid outlet.

4. The auxiliary device for filling brake fluid according to claim 2, characterized in that: The first connecting portion includes a clamping ring corresponding to the filling equipment.

5. The auxiliary device for filling brake fluid according to claim 4, characterized in that: There are two snap rings, which are sleeved on the outer side wall of the first end of the main body and spaced apart along the axis of the main body.

6. The auxiliary device for filling brake fluid according to claim 2, characterized in that: The second connecting portion further includes an end cover sleeved on the outer side wall of the second end of the main body, and the end cover is formed into a groove-shaped structure.

7. The auxiliary device for filling brake fluid according to claim 6, characterized in that: When the second connecting portion is connected to the filling port, the second end of the main body extends to the inside of the filling port, and the outer wall of the second end of the main body is in contact with the inner wall of the filling port; the outer wall of the filling port is in contact with the inner wall of the end cover.

8. The auxiliary device for filling brake fluid according to claim 7, characterized in that: A plurality of annular sealing grooves are formed on the outer side wall of the second end of the main body, and corresponding sealing rings are arranged in the annular sealing grooves.

9. The auxiliary device for filling brake fluid according to claim 7, characterized in that: The inner side wall of the end cover is provided with a plurality of clamping blocks corresponding to the filling port at intervals.

10. The auxiliary device for filling brake fluid according to claim 9, characterized in that: The clamping block is formed into an arc-shaped structure protruding toward the main body, and an arc-shaped protrusion corresponding to the filling port is formed on the bottom of the clamping block.