Brake fluid filling device

By designing a brake liquid injection device including the storage department, the squeezing department, and the injection department, it solves the problem of brake fluid overflow caused by the unable to adjust angle of the injection tube, and achieves an efficient and accurate injection process.

CN222411042UActive Publication Date: 2025-01-28HENAN MINEFIELD OIL CO LTD
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Patent Information

Application Number
CN202421174465.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2025-01-28
Estimated Expiration
2034-05-28

AI Technical Summary

Technical Problem

When filling the brake fluid, the angle cannot be adjusted by the filling tube, which can easily cause the brake fluid to overflow and cause waste.

Method used

A braking liquid injection device is designed, including the storage department, the squeezing department, and the additional injection department. The storage department introduces the brake fluid through the inlet pipe and uses the coordination of extrusion plates and extrusion springs to avoid the brake fluid overflow. By the cooperation of the installation tube and the card ring, the additional part can regulate the angle of the injection tube to ensure that the additional pipe is aimed at the addition of the addition.

Benefits of technology

Effectively avoid the overflow and waste of the brake fluid during the addition of the injection process, and improve the accuracy and efficiency of injection.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222411042U_ABST
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Abstract

The utility model relates to the technical field of filling devices, and discloses a brake fluid filling device which comprises a base. The mounting seat is fixedly connected to the bottom of the base; the moving wheel is rotationally connected to the inner surface of the mounting seat through a shaft rod; the push rod is fixedly connected to the back of the base; the operation assembly is fixedly connected to the top of the base. According to the brake fluid filling device, brake fluid is guided in through the fluid inlet pipe, the bottom of the extrusion plate is supported to drive the extrusion rod to move upwards while the brake fluid enters, gas at the top in the storage barrel is discharged through the gas outlet pipe, and the brake fluid is prevented from overflowing out of the top of the extrusion plate through the sealing plate; when the brake fluid is discharged, the elastic force of an extrusion spring is utilized to drive an extrusion plate to reset downwards to extrude the brake fluid, and a sealing plate is utilized to rub the brake fluid adhered to the inner wall of the storage cylinder to avoid waste; during filling, the angle of the filling pipe can be adjusted by arranging the mounting pipe and the clamping ring to rotate on the inner surfaces of the first annular groove and the second annular groove correspondingly.
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Description

Technical Field

[0001] The utility model relates to the technical field of filling devices, in particular to a brake fluid filling device. Background Art

[0002] Brake fluid is a liquid medium that transmits brake pressure in a hydraulic brake system and is used in vehicles with hydraulic brake systems. Brake fluid, also known as brake oil or force oil, is an indispensable part of the brake system. In the brake system, it serves as a force transmission medium. Because liquid cannot be compressed, the pressure output from the master cylinder will be directly transmitted to the slave cylinder through the brake fluid.

[0003] When filling brake fluid, the filling pipe is fixed and the filling ports are different, so the filling pipe cannot be adjusted. This can easily cause the brake fluid to overflow due to docking problems, resulting in a waste of brake fluid. To this end, we provide a brake fluid filling device. Utility Model Content

[0004] The purpose of the utility model is to provide a brake fluid filling device to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a brake fluid filling device, comprising: a base;

[0006] A mounting base fixedly connected to the bottom of the base;

[0007] A moving wheel rotatably connected to the inner surface of the mounting seat via a shaft;

[0008] A push rod fixedly connected to the back of the base;

[0009] And an operating assembly fixedly connected to the top of the base; the operating assembly includes a storage portion fixedly connected to the top of the base, the storage portion is connected to a pressing portion, and the storage portion is connected to a filling portion.

[0010] Preferably, the storage portion includes a storage cylinder fixedly connected to the top of the base, the top of the storage cylinder is connected to an air outlet pipe, the right side of the storage cylinder is connected to a liquid inlet pipe, the top of the liquid inlet pipe is provided with a control valve 1, the left side of the storage cylinder is fixedly connected to a support plate, and the left side of the storage cylinder is fixedly connected to a fixing frame.

[0011] Preferably, the extrusion portion includes an extrusion rod passing through the top of the storage tube, the bottom of the extrusion rod is fixedly connected to an extrusion plate, the top of the extrusion rod is fixedly connected to a limiting plate, the outer wall of the extrusion plate is fixedly connected to a sealing plate, the top of the extrusion plate is fixedly connected to an extrusion spring, one end of the extrusion spring away from the top of the extrusion plate is fixedly connected to the inner top of the storage tube, the top of the extrusion plate is fixedly connected to a sliding rod, the top of the sliding rod passes through the top of the storage tube and is fixedly connected to the bottom of the limiting plate.

[0012] Preferably, the filling part includes a liquid outlet pipe connected to the left side of the storage cylinder, a control valve 2 is provided on the top of the liquid outlet pipe, the left end of the liquid outlet pipe is connected to a liquid guide tube via a pump, the bottom of the pump is fixedly connected to the top of the support plate, an annular groove 1 is provided on the top outer wall of the liquid guide tube, a clamping ring is rotatably connected to the inner surface of the annular groove 1, a mounting tube is fixedly connected to the outer surface of the clamping ring, the inner top end of the mounting tube is rotatably connected to the inner surface of the annular groove 2 via the clamping ring, the annular groove 2 is provided on the outer wall of the bottom end of the filling tube, the bottom end of the filling tube is connected to the top of the liquid guide tube, and a sealing ring is fixedly connected to the inner surface of the mounting tube.

[0013] Preferably, a transparent observation window is provided on the front of the storage cylinder to facilitate observation of the amount of brake fluid inside.

[0014] Preferably, the outer surface of the sealing plate is arranged as a downward slope, and the bottom end of the outer wall of the sealing plate is arranged in contact with the inner wall of the storage cylinder, so that the brake fluid is prevented from overflowing from the top of the extrusion plate through the sealing plate.

[0015] Preferably, the outer wall of the slide rod is arranged to be slidably connected to the top of the storage cylinder to balance and limit the movement of the extrusion plate.

[0016] Preferably, the sealing ring is arranged at the connection point between the filling pipe and the fluid guide pipe to prevent the brake fluid from overflowing through the connection.

[0017] Compared with the prior art, the utility model provides a brake fluid filling device, which has the following beneficial effects:

[0018] The brake fluid filling device introduces brake fluid through a liquid inlet pipe. When the brake fluid enters, the bottom of the extrusion plate is supported by the force to drive the extrusion rod to move upward. At this time, the extrusion spring is in a compressed state. At the same time, the gas generated at the top of the storage cylinder is discharged through the outlet pipe. The seal plate contacts the inner wall of the storage cylinder to prevent the brake fluid from overflowing from the top of the extrusion plate. When the brake fluid is discharged, the elastic force of the extrusion spring is used to drive the extrusion plate to move downward to squeeze the brake fluid, and the seal plate is used to scrape the brake fluid adhering to the inner wall of the storage cylinder to avoid waste.

[0019] The brake fluid filling device opens control valve 2, pumps the brake fluid into the liquid guide pipe through the liquid outlet pipe, and then introduces the brake fluid into the filling pipe through the liquid guide pipe to fill the brake fluid. At the same time, during filling, the angle of the filling pipe can be adjusted by arranging a mounting pipe and a clamping ring that rotates on the inner surfaces of the first annular groove and the second annular groove respectively, so that the filling pipe can be aligned with the filling port to avoid overflow of the brake fluid. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the cutaway structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of the utility model;

[0023] Figure 4 It is a schematic diagram of the structure of the filling part of the utility model.

[0024] In the figure: 1. base; 2. mounting seat; 3. moving wheel; 4. push rod; 5. operating assembly; 51. storage part; 511. storage cylinder; 512. air outlet pipe; 513. liquid inlet pipe; 514. control valve 1; 515. support plate; 516. fixing frame; 52. extrusion part; 521. extrusion rod; 522. extrusion plate; 523. limit plate; 524. sealing plate; 525. extrusion spring; 526. sliding rod; 53. filling part; 531. liquid outlet pipe; 532. control valve 2; 533. pump; 534. liquid guide pipe; 535. annular groove 1; 536. retaining ring; 537. mounting pipe; 538. annular groove 2; 539. sealing ring; 530. filling pipe. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Embodiment 1, the brake fluid filling device provided by the utility model, such as Figures 1 to 4 As shown: A brake fluid filling device, comprising: a base 1;

[0028] A mounting base 2 fixedly connected to the bottom of the base 1;

[0029] A moving wheel 3 rotatably connected to the inner surface of the mounting seat 2 via a shaft;

[0030] A push rod 4 fixedly connected to the back of the base 1;

[0031] And an operating assembly 5 fixedly connected to the top of the base 1 ; the operating assembly 5 includes a storage portion 51 fixedly connected to the top of the base 1 , the storage portion 51 is connected to a pressing portion 52 , and the storage portion 51 is connected to a filling portion 53 .

[0032] The storage portion 51 includes a storage cylinder 511 fixedly connected to the top of the base 1, the top of the storage cylinder 511 is connected to an air outlet pipe 512, the right side of the storage cylinder 511 is connected to a liquid inlet pipe 513, the top of the liquid inlet pipe 513 is provided with a control valve 514, the left side of the storage cylinder 511 is fixedly connected to a support plate 515, and the left side of the storage cylinder 511 is fixedly connected to a fixing frame 516.

[0033] In this embodiment, a transparent observation window is provided on the front of the storage cylinder 511 to facilitate observation of the amount of brake fluid inside.

[0034] Embodiment 2, based on embodiment 1, the brake fluid filling device provided by the utility model is as follows Figures 1 to 4 As shown: the extrusion portion 52 includes an extrusion rod 521 that passes through the top of the storage tube 511, the bottom of the extrusion rod 521 is fixedly connected to an extrusion plate 522, the top of the extrusion rod 521 is fixedly connected to a limiting plate 523, the outer wall of the extrusion plate 522 is fixedly connected to a sealing plate 524, the top of the extrusion plate 522 is fixedly connected to an extrusion spring 525, the end of the extrusion spring 525 away from the top of the extrusion plate 522 is fixedly connected to the inner top of the storage tube 511, the top of the extrusion plate 522 is fixedly connected to a sliding rod 526, the top of the sliding rod 526 passes through the top of the storage tube 511 and is fixedly connected to the bottom of the limiting plate 523.

[0035] In this embodiment, the outer surface of the sealing plate 524 is set as a downward slope, and the bottom end of the outer wall of the sealing plate 524 is set in contact with the inner wall of the storage tube 511, so that the sealing plate 524 prevents the brake fluid from overflowing from the top of the extrusion plate 522.

[0036] Furthermore, the outer wall of the slide rod 526 is configured to be slidably connected to the top of the storage tube 511 to balance and limit the movement of the extrusion plate 522 .

[0037] Embodiment 3, based on embodiment 1, the brake fluid filling device provided by the utility model is as follows Figures 1 to 4 As shown: the filling part 53 includes a liquid outlet pipe 531 connected to the left side of the storage cylinder 511, a control valve 2 532 is arranged on the top of the liquid outlet pipe 531, the left end of the liquid outlet pipe 531 is connected to a liquid guide pipe 534 through a pump 533, the bottom of the pump 533 is fixedly connected to the top of the support plate 515, an annular groove 1 535 is provided on the top outer wall of the liquid guide pipe 534, a retaining ring 536 is rotatably connected to the inner surface of the retaining ring 536, a mounting tube 537 is fixedly connected to the outer surface of the retaining ring 536, the inner top end of the mounting tube 537 is rotatably connected to the inner surface of the annular groove 2 538 through the retaining ring 536, the annular groove 2 538 is provided on the outer wall of the bottom end of the filling tube 530, the bottom end of the filling tube 530 is connected to the top of the liquid guide pipe 534, and a sealing ring 539 is fixedly connected to the inner surface of the mounting tube 537.

[0038] In this embodiment, the sealing ring 539 is disposed at the connection point between the filling pipe 530 and the liquid guide pipe 534 to prevent the brake fluid from overflowing through the connection point.

[0039] In actual operation, when this device is used, the control valve 514 is opened and the brake fluid is introduced through the liquid inlet pipe 513. As the brake fluid enters the bottom of the extrusion plate 522, the extrusion rod 521 is driven upward by the support force. At this time, the extrusion spring 525 is in a compressed state. At the same time, the gas generated at the top of the storage cylinder 511 is discharged through the outlet pipe 512, and the contact with the inner wall of the storage cylinder 511 through the sealing plate 524 prevents the brake fluid from overflowing from the top of the extrusion plate 522. When the brake fluid is discharged, the elastic force of the extrusion spring 525 is used to drive the extrusion plate 522 to move downward to squeeze the brake fluid, and the sealing plate 524 is used to scratch the brake fluid adhering to the inner wall of the storage cylinder 511 to avoid waste.

[0040] Open control valve 2 532 and pump 533 to introduce brake fluid into liquid guide tube 534 through liquid outlet pipe 531, and then introduce brake fluid into filling pipe 530 through liquid guide tube 534 to fill brake fluid. Use sealing ring 539 to be set at the connection between filling pipe 530 and liquid guide tube 534 to prevent brake fluid from overflowing through the connection. At the same time, when filling, the retaining ring 536 is connected by installing tube 537 and rotated on the inner surfaces of annular groove 1 535 and annular groove 2 538 respectively, so as to adjust the angle of filling pipe 530 so that filling pipe 530 can be aligned with the filling port to prevent brake fluid from overflowing.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A brake fluid filling device, comprising: Base (1); A mounting base (2) fixedly connected to the bottom of the base (1); A moving wheel (3) rotatably connected to the inner surface of the mounting seat (2) via a shaft; A push rod (4) fixedly connected to the back of the base (1); and an operating assembly (5) fixedly connected to the top of the base (1); characterized in that: the operating assembly (5) comprises a storage portion (51) fixedly connected to the top of the base (1), the storage portion (51) is connected to a pressing portion (52), and the storage portion (51) is connected to a filling portion (53); The filling portion (53) comprises a liquid outlet pipe (531) connected to the left side of the storage cylinder (511); a control valve 2 (532) is arranged at the top of the liquid outlet pipe (531); a liquid guide pipe (534) is arranged at the left end of the liquid outlet pipe (531) via a pump (533); the bottom of the pump (533) is fixedly connected to the top of the support plate (515); an annular groove 1 (535) is provided on the outer wall of the top end of the liquid guide pipe (534); The inner surface is rotatably connected to a clamping ring (536), and the outer surface of the clamping ring (536) is fixedly connected to a mounting tube (537). The inner top end of the mounting tube (537) is rotatably connected to the inner surface of the second annular groove (538) through the clamping ring (536). The second annular groove (538) is provided on the outer wall of the bottom end of the filling tube (530). The bottom end of the filling tube (530) is connected to the top end of the liquid guide tube (534), and the inner surface of the mounting tube (537) is fixedly connected to a sealing ring (539).

2. A brake fluid filling device according to claim 1, characterized in that: The storage portion (51) comprises a storage cylinder (511) fixedly connected to the top of the base (1); an air outlet pipe (512) is provided at the top of the storage cylinder (511); a liquid inlet pipe (513) is provided at the right side of the storage cylinder (511); a control valve 1 (514) is provided at the top of the liquid inlet pipe (513); a support plate (515) is fixedly connected to the left side of the storage cylinder (511); and a fixing frame (516) is fixedly connected to the left side of the storage cylinder (511).

3. A brake fluid filling device according to claim 1, characterized in that: The extrusion portion (52) comprises an extrusion rod (521) passing through the top of the storage tube (511); the bottom of the extrusion rod (521) is fixedly connected to an extrusion plate (522); the top of the extrusion rod (521) is fixedly connected to a limiting plate (523); the outer wall of the extrusion plate (522) is fixedly connected to a sealing plate (524); the top of the extrusion plate (522) is fixedly connected to an extrusion spring (525); one end of the extrusion spring (525) away from the top of the extrusion plate (522) is fixedly connected to the inner top of the storage tube (511); the top of the extrusion plate (522) is fixedly connected to a sliding rod (526); the top of the sliding rod (526) passes through the top of the storage tube (511) and is fixedly connected to the bottom of the limiting plate (523).

4. A brake fluid filling device according to claim 2, characterized in that: The front side of the storage cylinder (511) is provided with a transparent observation window.

5. A brake fluid filling device according to claim 3, characterized in that: The outer surface of the sealing plate (524) is arranged as a downward slope, and the bottom end of the outer wall of the sealing plate (524) is arranged in contact with the inner wall of the storage cylinder (511).

6. A brake fluid filling device according to claim 3, characterized in that: The outer wall of the sliding rod (526) and the top of the storage cylinder (511) are arranged to be in sliding connection.

7. A brake fluid filling device according to claim 1, characterized in that: The sealing ring (539) is arranged at the connection point between the filling pipe (530) and the liquid guiding pipe (534).