CN217130297U - Hydraulic transmission adopting piston seal - Google Patents

Abstract

The utility model relates to the technical field of gearboxes, in particular to a hydraulic gearbox adopting piston sealing, which comprises a gearbox body, wherein a gear is rotationally connected inside the gearbox body through a rotating shaft; a lubricating mechanism is arranged inside the gearbox body; the lubricating mechanism comprises a cam, a first shell and a spray head; the cam is sleeved and fixedly connected with the outer wall of the rotating shaft; the first shell is fixedly connected to the inner side wall of the gearbox body; a piston plate is connected to the inside of the first shell in a sliding mode, a piston rod is fixedly connected to one side, close to the cam, of the piston plate, and a push plate is fixedly connected to one end, located outside the first shell, of the piston rod; one side of the piston plate is connected with the inner wall of the first shell through a first spring; an oil suction pipe is fixedly connected to the side wall of the first shell; a second shell is fixedly connected to the outer side wall of the gearbox body; the lubrication of the gear is conveniently realized.

Description

Hydraulic transmission adopting piston seal

Technical Field

The utility model relates to a gearbox technical field specifically is an adopt sealed hydraulic transmission of piston.

Background

The hydraulic transmission is an important part of an automobile, can be used for changing the rotating speed and the torque from an engine, and has the advantages of stable transmission and low noise.

The inside drive gear that is provided with of hydraulic transmission case, the inside lubricating oil that also is provided with of gearbox, gear can contact with the lubricating oil of gearbox bottom inside wall department at the rotation in-process, realize the lubrication to self.

However, as the service life of the gearbox is prolonged, the lubricating oil in the gearbox is reduced, the gear cannot contact the lubricating oil at the bottom of the gearbox, and the gear is difficult to lubricate, so that the abrasion between the gears is increased; therefore, a hydraulic transmission employing a piston seal is proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate prior art's not enough, solve along with the lengthening of gearbox live time, the inside lubricating oil of gearbox can reduce, and the gear will unable lubricating oil that contacts the gearbox bottom, and then is difficult to realize the lubrication to the gear to make the problem of wearing and tearing aggravation between the gear, the utility model provides an adopt sealed hydraulic transmission of piston.

The utility model provides a technical scheme that its technical problem adopted is: the hydraulic transmission adopting piston sealing comprises a transmission body, wherein a gear is rotatably connected inside the transmission body through a rotating shaft; a lubricating mechanism is arranged inside the gearbox body; the lubricating mechanism comprises a cam, a first shell and a spray head; the cam is sleeved and fixedly connected with the outer wall of the rotating shaft; the first shell is fixedly connected to the inner side wall of the gearbox body; a piston plate is connected to the inside of the first shell in a sliding mode, a piston rod is fixedly connected to one side, close to the cam, of the piston plate, and a push plate is fixedly connected to one end, located outside the first shell, of the piston rod; one side of the piston plate is connected with the inner wall of the first shell through a first spring; an oil suction pipe is fixedly connected to the side wall of the first shell; a second shell is fixedly connected to the outer side wall of the gearbox body, and the second shell is communicated with the first shell through an oil discharge pipe; the spray head is fixedly connected to the inner side wall of the top of the gearbox body; the second shell is communicated with the spray head through a pipeline; the lubrication of the gear is conveniently realized.

Preferably, a one-way valve is arranged inside the oil suction pipe, and the flow direction of oil inside the oil suction pipe is from the transmission body to the first shell; a one-way valve is also arranged in the oil discharge pipe, and the flow direction of oil in the oil discharge pipe is from the first shell to the second shell; the flow direction of the oil in the oil suction pipe and the oil discharge pipe is convenient to control.

Preferably, a micro refrigerator is installed on one side, far away from the gearbox body, of the second shell; a refrigerating coil is arranged in the second shell, and the output end of the micro refrigerator is connected with the refrigerating coil; the heat dissipation of the interior of the gearbox body is facilitated.

Preferably, the top of the gearbox body is fixedly connected with a mounting block; the top of the mounting block is provided with a through hole, and the bottom of the through hole extends into the transmission body; the pipeline is in sliding fit with the through hole; the communication between the second shell and the spray head is conveniently realized.

Preferably, the top of the mounting block is further provided with a groove, and the through hole is located at the center of the groove; limiting holes are formed in two sides of the groove; the fixing of one end of the pipeline is conveniently realized.

Preferably, the outer wall of the pipeline is fixedly connected with a mounting plate, a first hole is formed in each of two sides of the mounting plate, a limiting rod is connected in each first hole in a sliding mode, and one end of each limiting rod is connected with the inner wall of each first hole through a second spring; the limiting rod is in clearance fit with the limiting hole; the pipeline is detachably connected with the top of the gearbox body, and lubricating oil is conveniently added from the through hole.

The utility model discloses an useful part lies in:

1. the utility model discloses lubricating mechanism has been set up, has driven the cam through the pivot and has rotated for casing one is inside and at the oil liquid of rodless chamber part from oil extraction pipe flow direction casing two, and last fluid flows down from the shower nozzle again, realizes the lubrication to the inside gear of gearbox body, so when the inside lubricating oil of gearbox body is less, and when the bottom of gear can not contact lubricating oil, can also realize the lubrication to the gear.

2. The utility model discloses a set up miniature refrigerator and refrigeration coil, can realize the cooling of two inside lubricating oils of casing for inside lubricating oil flow direction gearbox body after the cooling, be favorable to realizing the heat dissipation to gearbox body inside.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall structure diagram according to a first embodiment;

FIG. 2 is a schematic top view of the internal structure of the first embodiment;

FIG. 3 is a schematic internal diagram of another embodiment from another perspective;

FIG. 4 is a schematic partial cross-sectional view illustrating a first embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of the area A in FIG. 4;

fig. 6 is a drawing of the second embodiment.

In the figure: 1. a gearbox body; 2. a cam; 3. a first shell; 4. a spray head; 5. a piston plate; 6. a piston rod; 7. pushing the plate; 8. a first spring; 9. an oil suction pipe; 10. a second shell; 11. an oil discharge pipe; 12. a pipeline; 13. a micro refrigerator; 14. a refrigeration coil; 15. mounting blocks; 16. mounting a plate; 17. a limiting rod; 18. a second spring; 19. a limiting hole; 20. and (4) radiating fins.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-5, a hydraulic transmission using piston sealing includes a transmission body 1, wherein a gear is rotatably connected to the inside of the transmission body 1 through a rotating shaft; a lubricating mechanism is arranged inside the gearbox body 1; the lubricating mechanism comprises a cam 2, a first shell 3 and a spray head 4; the cam 2 is sleeved and fixedly connected with the outer wall of the rotating shaft; the first shell 3 is fixedly connected to the inner side wall of the gearbox body 1; a piston plate 5 is connected to the inside of the first shell 3 in a sliding manner, a piston rod 6 is fixedly connected to one side, close to the cam 2, of the piston plate 5, and a push plate 7 is fixedly connected to one end, located outside the first shell 3, of the piston rod 6; one side of the piston plate 5 is connected with the inner wall of the first shell 3 through a first spring 8; an oil suction pipe 9 is fixedly connected to the side wall of the first shell 3; a second shell 10 is fixedly connected to the outer side wall of the gearbox body 1, and the second shell 10 is communicated with the first shell 3 through an oil discharge pipe 11; the spray head 4 is fixedly connected to the inner side wall of the top of the gearbox body 1; the second shell 10 is communicated with the spray head 4 through a pipeline 12; when the gearbox is in work, the rotating shaft drives the cam 2 to rotate, so that the cam 2 extrudes the push plate 7, the push plate 7 drives the piston rod 6 and the piston plate 5 to horizontally move, oil liquid in the first shell 3 and in the part of the rodless cavity flows to the second shell 10 from the oil discharge pipe 11, then the oil liquid in the second shell 10 flows to the spray head 4 from the pipeline 12, and the oil liquid flows down from the spray head 4 again to lubricate the gear in the gearbox body 1, so that when the lubricating oil in the gearbox body 1 is less and the bottom of the gear cannot contact the lubricating oil, the gear can be lubricated, when the cam 2 does not extrude the push plate 7, the piston plate 5 returns to the initial position due to the elasticity of the first spring 8, and the oil suction pipe 9 sucks the lubricating oil from the bottom of the gearbox; lubricating oil is arranged at the bottom inside the gearbox body 1, lubricating oil is arranged at the rodless cavity inside the first shell 3, and lubricating oil is also fully distributed inside the second shell 10.

A one-way valve is arranged inside the oil suction pipe 9, and the oil inside the oil suction pipe 9 flows from the transmission body 1 to the first shell 3; a one-way valve is also arranged in the oil discharge pipe 11, and the flow direction of oil in the oil discharge pipe 11 is from the first shell 3 to the second shell 10; when the transmission case works, the oil only can flow to the first shell 3 from the transmission case body 1 by arranging the one-way valve in the oil suction pipe 9; by providing a check valve inside the oil discharge pipe 11, the flow direction of the oil is from the first housing 3 to the second housing 10.

A micro refrigerator 13 is arranged on one side of the second shell 10 far away from the gearbox body 1; a refrigerating coil 14 is arranged in the second shell 10, and the output end of the micro refrigerator 13 is connected with the refrigerating coil 14; during operation, through setting up miniature refrigerator 13 and refrigeration coil 14, can realize the cooling of the inside lubricating oil of two 10 casings for inside lubricating oil flow direction gearbox body 1 after the cooling, be favorable to realizing the heat dissipation to gearbox body 1 is inside.

The top of the gearbox body 1 is fixedly connected with a mounting block 15; the top of the mounting block 15 is provided with a through hole, and the bottom of the through hole extends into the transmission body 1; the pipeline 12 is in sliding fit with the through hole; when the transmission case works, one end of the pipeline 12 is communicated with the top of the second shell 10 and fixedly connected with the second shell 10, and the other end of the pipeline 12 is inserted into the transmission case body 1 through the through hole to realize communication between the second shell 10 and the spray head 4.

The top of the mounting block 15 is also provided with a groove, and the through hole is positioned at the center of the groove; two sides of the groove are provided with limiting holes 19; during operation, through setting up recess and spacing hole 19, conveniently realize the fixed of pipeline 12 one end.

The outer wall of the pipeline 12 is fixedly connected with a mounting plate 16, two sides of the mounting plate 16 are both provided with a first hole, a limiting rod 17 is connected in the first hole in a sliding manner, and one end of the limiting rod 17 is connected with the inner wall of the first hole through a second spring 18; the limiting rod 17 is in clearance fit with the limiting hole 19; when the pipeline installation device works, a right-angle chamfer is arranged at the opening of the groove, a right-angle chamfer is also arranged at the end part of the limiting rod 17, when one end of the pipeline 12 is inserted into the through hole, the installation plate 16 and the limiting rod 17 slide downwards along the groove, the second spring 18 is compressed at the moment, and after the limiting rod 17 moves to the position of the limiting hole 19, the limiting rod 17 is inserted into the limiting hole 19 due to the elasticity of the second spring 18, so that the position of the installation plate 16 is limited; when the pipeline 12 is disassembled, the straight rod is only needed to be adopted to extrude the limiting rod 17 at the external opening of the limiting hole 19, so that the limiting rod 17 enters the groove, and the mounting plate 16 can be drawn out of the groove; the pipeline 12 is detachably connected with the top of the gearbox body 1, so that lubricating oil can be conveniently added from the through hole.

Example two

Referring to fig. 6, in a first comparative example, as another embodiment of the present invention, a plurality of heat dissipation fins 20 are further fixedly connected to an outer side wall of the second housing 10; during operation, through setting up radiating fin 20, the convenient further heat dissipation that realizes the inside lubricating oil of two 10 casings has improved the cooling effect to lubricating oil, and then has also improved the radiating effect to gearbox body 1 inside, is favorable to improving gearbox body 1's life.

The working principle is as follows: the rotating shaft drives the cam 2 to rotate, so that the cam 2 extrudes the push plate 7, the push plate 7 drives the piston rod 6 and the piston plate 5 to horizontally move, oil liquid in the first shell 3 and in the part of the rodless cavity flows to the second shell 10 from the oil discharge pipe 11, then the oil liquid in the second shell 10 flows to the spray head 4 from the pipeline 12, and the oil liquid flows down from the spray head 4 again to lubricate the gear in the gearbox body 1, so that when less lubricating oil exists in the gearbox body 1 and the bottom of the gear cannot contact the lubricating oil, the gear can be lubricated, after the cam 2 does not extrude the push plate 7, the piston plate 5 returns to the initial position due to the elasticity of the first spring 8, and the oil suction pipe 9 sucks the lubricating oil from the bottom of the gearbox;

a right-angle chamfer is arranged at the opening of the groove, a right-angle chamfer is also arranged at the end part of the limiting rod 17, when one end of the pipeline 12 is inserted into the through hole, the mounting plate 16 and the limiting rod 17 slide downwards along the groove, the second spring 18 is compressed at the moment, and after the limiting rod 17 moves to the position of the limiting hole 19, the limiting rod 17 is inserted into the limiting hole 19 due to the elasticity of the second spring 18, so that the position of the mounting plate 16 is limited; when the pipeline 12 is disassembled, the straight rod is only needed to be adopted to extrude the limiting rod 17 at the external opening of the limiting hole 19, so that the limiting rod 17 enters the groove, and the mounting plate 16 can be drawn out of the groove; the pipeline 12 is detachably connected with the top of the gearbox body 1, so that lubricating oil can be conveniently added from the through hole.

The micro refrigerator 13 and the refrigeration coil 14 are both in the prior art, and the structure and the working principle thereof are not described herein.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and so on.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims (6)

1. The utility model provides an adopt sealed hydraulic transmission of piston, includes gearbox body (1), its characterized in that: a gear is rotatably connected inside the gearbox body (1) through a rotating shaft; a lubricating mechanism is arranged inside the gearbox body (1); the lubricating mechanism comprises a cam (2), a first shell (3) and a spray head (4); the cam (2) is sleeved and fixedly connected with the outer wall of the rotating shaft; the first shell (3) is fixedly connected to the inner side wall of the gearbox body (1); a piston plate (5) is connected to the interior of the first shell (3) in a sliding manner, a piston rod (6) is fixedly connected to one side, close to the cam (2), of the piston plate (5), and a push plate (7) is fixedly connected to one end, located outside the first shell (3), of the piston rod (6); one side of the piston plate (5) is connected with the inner wall of the first shell (3) through a first spring (8); an oil suction pipe (9) is fixedly connected to the side wall of the first shell (3); a second shell (10) is fixedly connected to the outer side wall of the gearbox body (1), and the second shell (10) is communicated with the first shell (3) through an oil discharge pipe (11); the spray head (4) is fixedly connected to the inner side wall of the top of the gearbox body (1); the second shell (10) is communicated with the spray head (4) through a pipeline (12).

2. The hydraulic transmission employing piston sealing as claimed in claim 1, wherein: a one-way valve is arranged inside the oil suction pipe (9), and the oil inside the oil suction pipe (9) flows from the transmission body (1) to the first shell (3); the inside check valve that also is provided with of oil extraction pipe (11), and the flow direction of the inside fluid of oil extraction pipe (11) is from casing one (3) flow to casing two (10).

3. The hydraulic transmission adopting piston sealing as claimed in claim 2, wherein: a miniature refrigerator (13) is arranged on one side, far away from the gearbox body (1), of the second shell (10); and a refrigerating coil (14) is arranged inside the second shell (10), and the output end of the miniature refrigerator (13) is connected with the refrigerating coil (14).

4. A hydrodynamic transmission employing piston sealing as claimed in claim 3 wherein: the top of the gearbox body (1) is fixedly connected with a mounting block (15); the top of the mounting block (15) is provided with a through hole, and the bottom of the through hole extends into the transmission body (1); the pipeline (12) is in sliding fit with the through hole.

5. The hydraulic transmission adopting piston sealing as claimed in claim 4, wherein: the top of the mounting block (15) is also provided with a groove, and the through hole is positioned at the center of the groove; and two sides of the groove are provided with limiting holes (19).

6. The hydraulic transmission adopting piston sealing as claimed in claim 5, wherein: the outer wall of the pipeline (12) is fixedly connected with a mounting plate (16), two sides of the mounting plate (16) are respectively provided with a first hole, a limiting rod (17) is connected in the first hole in a sliding mode, and one end of the limiting rod (17) is connected with the inner wall of the first hole through a second spring (18); the limiting rod (17) is in clearance fit with the limiting hole (19).

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