Oil-level-height-adjustable refueling device of automatic gearbox

Abstract

The utility model discloses a refueling device capable of adjusting the oil level height of an automatic gearbox. The refueling device comprises a refueling unit and an oil pumping unit which are arranged in a communicated mode. The refueling unit comprises a refueling connector and a refueling connecting cavity; a refueling pipe is mounted at one end of the refueling connecting cavity; the oil pumping unit comprises an oil pumping connector and an oil pumping connecting cavity, and an oil pumping pipe is installed at one end of the oil pumping connecting cavity. A right-angle connector mounting cavity is further formed in one side of the oil pumping connector, and a right-angle connector is mounted on the right-angle connector mounting cavity; the oil filling pipe penetrates through the oil pumping connector, passes through the oil pumping connecting cavity and penetrates out of the oil pumping pipe; the length of the oil filling pipe penetrating out of the oil pumping pipe is adjustable; the oil filling pipe and the oil pumping connector are installed together through the through hole of the oil pumping connector, and redundant oil in the gearbox is discharged out of the gearbox through the oil pumping pipe according to the height difference between the oil pumping pipe and the oil filling pipe. And the height difference between the oil pumping connector and the refueling connector is realized through different mounting heights of the refueling connector and the oil pumping connector on the back plate so as to adjust the height of the oil level.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle testing, in particular to a refueling device for an automatic transmission capable of adjusting the oil level. Background Art

[0002] End-of-line testing is an essential step in ensuring that automatic transmissions are qualified for factory delivery. During this process, the oil level in the transmission must be maintained within a reasonable range. Excessively high or low oil levels can affect normal function. Existing tooling for maintaining a stable oil level requires multiple transmission interfaces, making it cumbersome, space-consuming, and unable to adjust the oil level. Therefore, the development of an adjustable oiling device suitable for end-of-line testing of automatic transmissions, capable of maintaining the oil level, is particularly important. Summary of the Invention

[0003] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a refueling device with adjustable oil level for an automatic transmission, so as to solve the problem in the existing technology of lacking a device that can adjust and maintain the oil level during automatic transmission testing.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions: a refueling device for an automatic transmission with adjustable oil level, comprising a refueling unit and an oil pumping unit which are connected to each other.

[0005] The refueling unit comprises a refueling connector and a refueling connection cavity which is provided through the refueling connector. A refueling pipe is installed at one end of the refueling connection cavity.

[0006] The oil pumping unit comprises an oil pumping connector and an oil pumping connection cavity which is provided in the oil pumping connector. An oil pumping pipe is installed at one end of the oil pumping connection cavity.

[0007] A right-angle joint installation cavity is further provided on one side of the oil pumping connector. The right-angle joint installation cavity is communicated with the oil pumping connector cavity, and a right-angle joint is installed on the right-angle joint installation cavity.

[0008] The refueling pipe passes through the oil extraction connector, passes through the oil extraction connection cavity and passes through the oil extraction pipe.

[0009] The length of the refueling pipe passing through the oil extraction pipe is adjustable.

[0010] The utility model also has the following technical features:

[0011] The refueling connecting chamber is connected to the refueling pipe via a first mounting member.

[0012] The first mounting member includes a first direct connector. The first direct connector is a hollow structure and includes a first upper connector, a first middle connector, and a first lower connector that are coaxially connected.

[0013] The first upper connector is mounted on one end of the refueling connection chamber, the first mounting member further comprises a first nut mounted on the first lower connector, and the refueling pipe is mounted in the first lower connector.

[0014] The first upper connecting head and the first lower connecting head are both provided with threads on the outside, which respectively cooperate with the threads and the first nut provided on the inner wall of the refueling connecting cavity.

[0015] The oil extraction connecting cavity is connected to the oil extraction pipe via a second mounting member.

[0016] The second mounting member includes a second direct connector. The second direct connector is a hollow structure and includes a second upper connector, a second middle connector, and a second lower connector that are coaxially connected.

[0017] The second upper connector is mounted on one end of the oil extraction connection cavity. The second mounting member further comprises a second nut mounted on the second lower connector. The oil extraction pipe is mounted in the second lower connector.

[0018] The second upper connector and the second lower connector are both provided with threads on the outside, which respectively cooperate with the threads and the second nut provided on the inner wall of the oil pumping connection cavity.

[0019] The right-angle joint includes a first right-angle joint section and a second right-angle joint section vertically installed on the side of one end of the first right-angle joint section. A cavity is provided in the first right-angle joint section and the second right-angle joint section, and the cavity passes through the first right-angle joint section and the second right-angle joint section.

[0020] A third nut is also installed on the outside of the second right-angle joint section.

[0021] The refueling connector is in the shape of a rectangular parallelepiped, and a refueling mounting plate is installed on one side, and a refueling mounting hole is provided on the refueling mounting plate.

[0022] The oil extraction connector is in the shape of a rectangular parallelepiped, and an oil extraction mounting plate is installed on one side. An oil extraction mounting hole is also provided on the oil extraction mounting plate.

[0023] The refueling device for the automatic transmission with adjustable oil level also includes a back plate and a connector installed on one side of the back plate, and the refueling connector and the oil extraction connector are installed on the other side of the back plate.

[0024] The back plate is provided with a plurality of fixing bolt holes.

[0025] The refueling connector is mounted on the back plate via a first fixing bolt through the refueling mounting hole, and the oil extraction connector is mounted on the back plate via a second fixing bolt through the oil extraction mounting hole.

[0026] A sealing ring is also arranged at the connection between the refueling pipe and the oil extraction connector.

[0027] Compared with the prior art, the present invention has the following technical effects:

[0028] (I) The utility model provides a refueling device for an automatic transmission with an adjustable oil level. The device is constructed by installing a refueling pipe through a through hole of an oil extraction connector and the refueling connector and the oil extraction connector together on a back plate by bolts. The oil extraction pipe discharges excess oil in the transmission through the oil extraction pipe due to the height difference with the refueling pipe. The different installation heights of the refueling connector and the oil extraction connector on the back plate achieve a height difference between the oil extraction connector and the refueling connector to adjust the oil level.

[0029] (II) The utility model provides a refueling device for an automatic transmission with adjustable oil level, which has a simple structure, is easy to operate, safe and reliable, and has strong adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 The utility model is a schematic diagram of the overall structure of a refueling device with adjustable oil level for an automatic transmission.

[0031] Figure 2 for Figure 1 Exploded diagram.

[0032] Figure 3 This is a cross-sectional diagram of the refueling unit.

[0033] Figure 4 This is a cross-sectional diagram of the pumping unit.

[0034] Figure 5 This is a schematic diagram of the principle of the utility model.

[0035] Figure 6 This is a schematic diagram of the application of the utility model.

[0036] The meaning of each reference numeral in the accompanying drawings:

[0037] 1- refueling unit, 2- oil pumping unit, 3- back plate, 4- connecting piece, 5- first fixing bolt, 6- second fixing bolt, 7- sealing ring, 8- refueling machine, 9- oil pumping unit, 10- oil pool, 11- gearbox.

[0038] 1-1-refueling connector, 1-2-refueling connecting chamber, 1-3-refueling pipe, 1-4-first mounting piece, 1-5-refueling mounting plate, 1-6-refueling mounting hole.

[0039] 2-1 oil pumping connector, 2-2 oil pumping connection cavity, 2-3 oil pumping pipe, 2-4 right-angle joint installation cavity, 2-5 right-angle joint, 2-6 second installation piece, 2-7 oil pumping installation plate, 2-8 oil pumping installation hole.

[0040] 1-4-1-first straight connector, 1-4-2-first nut.

[0041] 2-5-1-first right-angle joint section, 2-5-2-second right-angle joint section, 2-5-3-third nut.

[0042] 2-6-1-second straight connector, 2-6-2-second nut.

[0043] The specific contents of the present invention are further explained in detail below with reference to the embodiments. DETAILED DESCRIPTION

[0044] Unless otherwise specified, all components in the present invention are components known in the prior art.

[0045] The following are specific embodiments of the present invention. It should be noted that the present invention is not limited to the following specific embodiments, and all equivalent modifications made on the basis of the technical solution of this application fall within the scope of protection of the present invention.

[0046] Example 1:

[0047] This embodiment provides a refueling device for an automatic transmission with adjustable oil level, such as 1- Figure 2 As shown, it includes a refueling unit 1 and an oil pumping unit 2 which are connected to each other.

[0048] The refueling unit 1 comprises a refueling connector 1-1 and a refueling connection chamber 1-2 extending through the refueling connector 1-1. A refueling pipe 1-3 is mounted at one end of the refueling connection chamber 1-2.

[0049] The oil pumping unit 2 includes an oil pumping connector 2-1 and an oil pumping connection cavity 2-2 extending through the oil pumping connector 2-1. An oil pumping pipe 2-3 is installed at one end of the oil pumping connection cavity 2-2.

[0050] A right-angle joint installation cavity 2-4 is also provided on one side of the oil pumping connection head 2-1. The right-angle joint installation cavity 2-4 is connected to the oil pumping connection cavity 2-2. A right-angle joint 2-5 is installed on the right-angle joint installation cavity 2-4.

[0051] The refueling pipe 1-3 passes through the oil pumping connector 2-1, passes through the oil pumping connection cavity 2-2 and passes through the oil pumping pipe 2-3.

[0052] The length of the refueling pipe 1-3 passing through the oil extraction pipe 2-3 is adjustable.

[0053] The oil extraction pipe 2-3 discharges the excess oil in the gearbox through the oil extraction connecting cavity 2-2, the right-angle joint installation cavity 2-4 and the right-angle joint 2-5 due to the height difference with the refueling pipe 1-3. The different installation heights of the oil extraction connector 2-1 and the refueling connector 1-1 realize the height difference between the oil extraction connector 2-1 and the refueling connector 1-1 to adjust the oil level.

[0054] As a preferred embodiment of this invention:

[0055] As shown in 3, the refueling connection chamber 1-2 is connected to the refueling pipe 1-3 through a first mounting member 1-4.

[0056] The first mounting member 1-4 includes a first direct connector 1-4-1.

[0057] The first direct connector 1-4-1 is a hollow structure, comprising a first upper connector, a first middle connector and a first lower connector that are coaxially connected;

[0058] The first upper connector is mounted on one end of the refueling connection chamber 1-2, and the first mounting member 1-4 further includes a first nut 1-4-2 mounted on the first lower connector.

[0059] The refueling pipe 1-3 is installed in the first lower connecting head.

[0060] The first upper connector and the first lower connector are both provided with threads on the outside, which respectively cooperate with the threads provided on the inner wall of the refueling connection chamber 1-2 and the first nut 1-4-2.

[0061] The outer side of the first connecting head is in the shape of a hexagonal prism, which is convenient for tightening using tools.

[0062] As a preferred embodiment of this invention:

[0063] As shown in FIG4 , the oil pumping connection chamber 2 - 2 is connected to the oil pumping pipe 2 - 3 via a second mounting member 2 - 6 .

[0064] The second mounting member 2-6 includes a second direct connector 2-6-1.

[0065] The second direct connector 2-6-1 is a hollow structure, comprising a second upper connector, a second middle connector and a second lower connector which are coaxially connected.

[0066] The second upper connector is mounted on one end of the oil pumping connection chamber 2-2, and the second mounting member 2-6 further includes a second nut 2-6-2 mounted on the second lower connector.

[0067] The oil pumping pipe 2-3 is installed in the second lower connecting head.

[0068] The second upper connector and the second lower connector are both provided with threads on the outside, which respectively cooperate with the threads provided on the inner wall of the oil pumping connection cavity 2-2 and the second nut 2-6-2.

[0069] The outer side of the second connecting head is in the shape of a hexagonal prism, which is convenient for tightening using tools.

[0070] As a preferred embodiment of this invention:

[0071] As shown in Figure 2, the right-angle joint 2-5 includes a first right-angle joint segment 2-5-1 and a second right-angle joint segment 2-5-2 vertically installed on the side of one end of the first right-angle joint segment 2-5-1. A cavity is provided in the first right-angle joint segment 2-5-1 and the second right-angle joint segment 2-5-2, and the cavity passes through the first right-angle joint segment 2-5-1 and the second right-angle joint segment 2-5-2.

[0072] A third nut 2-5-3 is also installed on the outside of the second right-angle joint section 2-5-2.

[0073] As a preferred embodiment of this invention:

[0074] like Figure 2 As shown, the refueling connector 1-1 is in the shape of a rectangular parallelepiped, and a refueling mounting plate 1-5 is installed on one side. A refueling mounting hole 1-6 is also provided on the refueling mounting plate 1-5.

[0075] The oil extraction connector 2-1 is in the shape of a rectangular parallelepiped, and an oil extraction mounting plate 2-7 is mounted on one side. An oil extraction mounting hole 2-8 is provided on the oil extraction mounting plate 2-7.

[0076] As a preferred embodiment of this invention:

[0077] like Figure 1 As shown, the refueling device for the automatic transmission with adjustable oil level also includes a back plate 3 and a connector 4 installed on one side of the back plate 3, and the refueling connector 1-1 and the oil extraction connector 2-1 are installed on the other side of the back plate 3.

[0078] The back plate 3 is provided with a plurality of fixing bolt holes.

[0079] The refueling connector 1-1 is installed on the back plate 3 through the refueling mounting hole 1-6 by the first fixing bolt 5, and the oil extraction connector 2-1 is installed on the back plate 3 through the oil extraction mounting hole 2-8 by the second fixing bolt 6. The refueling connector 1-1 and the oil extraction connector 2-1 can be easily adjusted on the back plate 3 to achieve different height differences.

[0080] As a preferred embodiment of this invention:

[0081] like Figure 2 As shown, a sealing ring 7 is also arranged at the connection between the refueling pipe 1-3 and the oil extraction connector 2-1.

[0082] The specific working process of this utility model:

[0083] like Figure 6 As shown, the refueling connector 1 - 1 is connected to the refueling pipeline of the test bench through a threaded connection, and the other end of the refueling pipeline of the test bench is connected to the refueling machine 8 , and the refueling machine 8 is connected to the oil pool 10 .

[0084] The first mounting part 1-4 is installed on the refueling connector 1-1 through a thread, the refueling pipe 1-3 is installed in the first direct connector 1-4-1 and locked by the first nut 1-4-2, the right-angle joint 2-5 is installed on the oil extraction connector 2-1 through a thread, and is connected to the test bench oil extraction pipeline through the third nut 2-5-3, the second mounting part 2-6 is installed on the oil extraction connector 2-1 through a thread, the oil extraction pipe 2-3 is installed in the second direct connector 2-6-1 and locked by the second nut 2-6-2, the sealing ring 7 is installed in the sealing groove of the upper end hole of the oil extraction connector 2-1, and the refueling pipe 1-3 is installed through the oil extraction The oil extraction connection chamber 2-2 of the connector 2-1 is installed together with the oil extraction connector 2-1, and the refueling connector 1-1 and the oil extraction connector 1-2 are installed on the back plate 3 through the first fixing bolt 5 and the second fixing bolt 6. The back plate 3 is connected to the robotic arm through the connector 4. The oil extraction pipe 2-3 discharges the excess oil in the gearbox 11 through the oil extraction pipe 2-3 through the height difference with the refueling pipe 1-3 and enters the oil pool 10. The different installation heights of the refueling connector 1-1 and the oil extraction connector 2-1 on the back plate 3 realize the height difference between the oil extraction connector 2-1 and the refueling connector 1-1 to adjust the oil level.

[0085] The above technical solutions are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be thought of by any technician familiar with the field within the technical scope disclosed by the present invention without creative work are all covered by the protection scope of the present invention.

Claims

1. A refueling device for an automatic transmission with adjustable oil level, characterized in that: It comprises a refueling unit (1) and an oil pumping unit (2) which are connected and arranged; The refueling unit (1) comprises a refueling connector (1-1) and a refueling connection chamber (1-2) extending through the refueling connector (1-1), wherein a refueling pipe (1-3) is installed at one end of the refueling connection chamber (1-2); The oil pumping unit (2) comprises an oil pumping connector (2-1) and an oil pumping connection chamber (2-2) extending through the oil pumping connector (2-1), wherein an oil pumping pipe (2-3) is installed at one end of the oil pumping connection chamber (2-2); A right-angle joint installation cavity (2-4) is further provided on one side of the oil pumping connection head (2-1); the right-angle joint installation cavity (2-4) is connected to the oil pumping connection cavity (2-2); and a right-angle joint (2-5) is installed on the right-angle joint installation cavity (2-4); The refueling pipe (1-3) passes through the oil extraction connector (2-1), passes through the oil extraction connection cavity (2-2), and passes through the oil extraction pipe (2-3); The length of the refueling pipe (1-3) passing through the oil extraction pipe (2-3) is adjustable.

2. The refueling device for an automatic transmission with adjustable oil level according to claim 1, characterized in that: The refueling connection chamber (1-2) and the refueling pipe (1-3) are connected via a first mounting member (1-4); The first mounting member (1-4) includes a first direct connector (1-4-1); The first direct connector (1-4-1) is a hollow structure, comprising a first upper connector, a first middle connector and a first lower connector which are coaxially connected. The first upper connector is mounted on one end of the refueling connection chamber (1-2), and the first mounting member (1-4) further comprises a first nut (1-4-2) mounted on the first lower connector; The refueling pipe (1-3) is installed in the first lower connecting head.

3. The refueling device for an automatic transmission with adjustable oil level as claimed in claim 2, characterized in that: The first upper connecting head and the first lower connecting head are both provided with threads on the outside, which respectively cooperate with threads provided on the inner wall of the refueling connecting cavity (1-2) and the first nut (1-4-2).

4. The refueling device for an automatic transmission with adjustable oil level according to claim 1, characterized in that: The oil pumping connection chamber (2-2) is connected to the oil pumping pipe (2-3) via a second mounting member (2-6); The second mounting member (2-6) includes a second direct connector (2-6-1); The second direct connector (2-6-1) is a hollow structure, comprising a second upper connector, a second middle connector and a second lower connector that are coaxially connected; The second upper connector is mounted on one end of the oil pumping connection chamber (2-2), and the second mounting member (2-6) further comprises a second nut (2-6-2) mounted on the second lower connector; The oil pumping pipe (2-3) is installed in the second lower connecting head.

5. The refueling device for an automatic transmission with adjustable oil level as claimed in claim 4, characterized in that: The second upper connector and the second lower connector are both provided with threads on the outside, which respectively cooperate with the threads and the second nut (2-6-2) provided on the inner wall of the oil pumping connection cavity (2-2).

6. The refueling device for an automatic transmission with adjustable oil level as claimed in claim 1, characterized in that: The right-angle joint (2-5) comprises a first right-angle joint section (2-5-1) and a second right-angle joint section (2-5-2) vertically mounted on the side surface of one end of the first right-angle joint section (2-5-1); a cavity is provided in each of the first right-angle joint section (2-5-1) and the second right-angle joint section (2-5-2), and the cavity passes through the first right-angle joint section (2-5-1) and the second right-angle joint section (2-5-2); A third nut (2-5-3) is also installed on the outside of the second right-angle joint section (2-5-2).

7. The refueling device for an automatic transmission with adjustable oil level as claimed in claim 1, characterized in that: The refueling connector (1-1) is in the shape of a rectangular parallelepiped, and a refueling mounting plate (1-5) is installed on one side. The refueling mounting plate (1-5) is also provided with a refueling mounting hole (1-6). The oil extraction connector (2-1) is in a rectangular parallelepiped shape, and an oil extraction mounting plate (2-7) is mounted on one side. An oil extraction mounting hole (2-8) is also provided on the oil extraction mounting plate (2-7).

8. The refueling device for an automatic transmission with adjustable oil level as claimed in claim 7, characterized in that: The refueling device for an automatic transmission with adjustable oil level further comprises a back plate (3) and a connector (4) mounted on one side of the back plate (3), and the refueling connector (1-1) and the oil extraction connector (2-1) are mounted on the other side of the back plate (3); The back plate (3) is provided with a plurality of fixing bolt holes; The refueling connector (1-1) is mounted on the back plate (3) via a first fixing bolt (5) through a refueling mounting hole (1-6), and the oil extraction connector (2-1) is mounted on the back plate (3) via a second fixing bolt (6) through an oil extraction mounting hole (2-8).

9. The refueling device for an automatic transmission with adjustable oil level as claimed in claim 1, characterized in that: A sealing ring (7) is also arranged at the connection between the refueling pipe (1-3) and the oil extraction connector (2-1).

Images