CN211343927U

CN211343927U - Gear for automobile gearbox

Info

Publication number: CN211343927U
Application number: CN201921924383.6U
Authority: CN
Inventors: 黄英毅
Original assignee: Fujian Nan'an Gear Box Co ltd
Current assignee: Fujian Nan'an Gear Box Co ltd
Priority date: 2019-11-09
Filing date: 2019-11-09
Publication date: 2020-08-25
Anticipated expiration: 2029-11-09

Abstract

The utility model discloses a gear that motor transmission used, including gearbox body, output shaft and install at its surperficial toothed disc, temperature sensor is installed to the left bottom of gearbox body inner chamber, the left side intercommunication of gearbox body bottom has discharge structure, oil cooling structure, oil pump and first box are installed respectively to gearbox body's bottom, the pipe that advances of oil pump and oil cooling communicates between the structure. The utility model discloses in, through temperature sensor, discharge structure, the cold structure of oil, the oil pump, first box, the annular pipe, roll over type pipe, the second box, the intercommunication structure, U type pipe, oil transportation structure and oil spout structure's setting, the gear self heat dissipation that has solved present gearbox is poor and the gearbox also can not provide good heat dissipation, reduce gear life, also reduced the problem of its practicality, this gear for the gearbox can carry out good heat dissipation, effectively prevent high temperature damage, be worth using widely.

Description

Gear for automobile gearbox

Technical Field

The utility model relates to the technical field of auto-parts, especially, relate to a gear that motor transmission used.

Background

Automotive gearboxes are often referred to as "gearboxes" in automobiles; the gear shifting machine is a mechanical or hydraulic device for mechanical power conversion, each gear has different transmission ratio, namely, the meshing of a pinion and a bull gear can generate different rotating speeds, the low transmission ratio (3 gears and below) is used during low-speed running, the rotating speed of a bull shaft is lower than that of an engine, larger driving force can be obtained according to a formula P (FV), the high transmission ratio (4 gears and above) is used during high-speed running, the rotating speed of the bull shaft is higher than that of the engine, the traction force is reduced, and higher speed is obtained, and gear shifting is realized by selecting gears with different sizes to be meshed with the gears of the bull shaft.

The gear used for the gearbox at present is poor in self heat dissipation effect, and the heat dissipation work of the inside gear of partial gearbox is not good enough, leads to the gear to damage easily when receiving too big impact, can only carry out low moment of torsion output, has reduced its practicality, provides one kind for this and can carry out good heat dissipation, effectively prevents that the gearbox of high temperature damage from solving this problem with the gear.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the gear for the automobile gearbox is provided for solving the problems that the heat dissipation of the gear of the existing gearbox is poor, the gearbox cannot provide good heat dissipation, and the service life of the gear is shortened.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a gear for an automobile gearbox comprises a gearbox body, an output shaft and a gear disc arranged on the surface of the output shaft, wherein a temperature sensor is arranged at the left bottom of an inner cavity of the gearbox body, a discharge structure is communicated with the left side of the bottom of the gearbox body, an oil cooling structure, an oil pump and a first box body are respectively arranged at the bottom of the gearbox body, an inlet pipe of the oil pump is communicated with the oil cooling structure, an outlet pipe of the oil pump penetrates through the first box body and is communicated with a ring pipe, a folded pipe is communicated with the right side of the ring pipe, a second box body is bolted to the right side of the front of the gearbox body, a communication structure is arranged on the outer side of the second box body, a U-shaped pipe is arranged inside the second box body, one end, far away from the ring pipe, of the folded pipe penetrates through the inside of the second box body and is communicated with the U-shaped pipe, and the top of the inner side of the gearbox body is provided with an oil injection structure.

As a further description of the above technical solution:

the discharge structure comprises an oil discharge pipe, a bent pipe and an electromagnetic valve, wherein the oil discharge pipe is communicated with the bent pipe, and the electromagnetic valve is arranged on the surface of the bent pipe.

As a further description of the above technical solution:

the oil cooling structure comprises a cooling oil tank, an observation window and scale marked lines, the cooling oil tank is communicated with the tail end of the bent pipe, the observation window is arranged on the right side of the surface of the cooling oil tank, and the scale marked lines are arranged on the left side of the observation window.

As a further description of the above technical solution:

the annular pipe is positioned on the inner side of the first box body and is bolted with the inner wall of the first box body, the annular pipe is composed of a plurality of annular bodies which are arranged at equal intervals and communicated with each other.

As a further description of the above technical solution:

the utility model discloses a glass lens, including communicating pipe, stop valve and glass lens, intercommunication between communicating pipe and first box and the second box, the stop valve sets up in the top on communicating pipe surface, glass lens sets up in the below on communicating pipe surface.

As a further description of the above technical solution:

the oil conveying structure comprises an L-shaped pipe, two fixing lugs and a transverse pipe, wherein the L-shaped pipe is communicated with the transverse pipe, the transverse pipe is located at the top of the gearbox body, and the two fixing lugs are respectively installed on two sides of the surface of the transverse pipe.

As a further description of the above technical solution:

the oil injection structure comprises a hollow pipe, a flow dividing pipe and an atomizing nozzle, the hollow pipe is located at the top of an inner cavity of the gearbox body, the flow dividing pipe and the atomizing nozzle are respectively arranged at the top and the bottom of the hollow pipe and communicated with the hollow pipe, and the top end of the flow dividing pipe penetrates through the outer side of the gearbox body and is communicated with the transverse pipe.

As a further description of the above technical solution:

the side of the gear disc is provided with a first radiating fin and a second radiating fin respectively, the first radiating fin is located at the inner ring, the second radiating fin is located at the outer ring, and the first radiating fin and the second radiating fin are arranged on the surface of the gear disc in a circumferential mode.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through temperature sensor, discharge structure, the cold structure of oil, the oil pump, first box, the annular pipe, roll over type pipe, the second box, the intercommunication structure, U type pipe, oil transportation structure and oil spout structure's setting, the gear self heat dissipation that has solved present gearbox is poor and the gearbox also can not provide good heat dissipation, reduce gear life, also reduced the problem of its practicality, this gear for the gearbox can carry out good heat dissipation, effectively prevent high temperature damage, be worth using widely.

2. The utility model discloses in, adopt two steps of cooling, cool down the processing to the coolant oil respectively for the lower coolant oil of temperature gets into gearbox body's inside, realizes lubricated with radiating function, and temperature sensor can carry out real-time supervision to the inboard temperature of gearbox body.

3. The utility model discloses in, the coolant oil that gets into the gear box inner chamber can evenly spout to fall on the surface of toothed disc, area of contact between increase and the toothed disc improves the radiating effect.

Drawings

Fig. 1 is a front sectional view of a gear for an automobile transmission according to the present invention;

FIG. 2 is a schematic perspective view of a ring tube of a gear for an automotive transmission according to the present invention;

fig. 3 is a structural section view of a second housing of a gear for an automobile transmission according to the present invention;

fig. 4 is a structural side view of a gear wheel disc of a gear box for an automobile gearbox according to the present invention.

Illustration of the drawings:

1. a transmission case; 2. an output shaft; 3. a gear plate; 4. a temperature sensor; 5. a drain structure; 51. discharging an oil pipe; 52. bending the pipe; 53. an electromagnetic valve; 6. an oil-cooled structure; 61. cooling the oil tank; 62. an observation window; 63. scale marking; 7. an oil pump; 8. a first case; 9. an annular tube; 10. folding the pipe; 11. a second case; 12. a communicating structure; 121. a communicating pipe; 122. a stop valve; 123. a glass lens; 13. a U-shaped pipe; 14. an oil transportation structure; 141. an L-shaped pipe; 142. fixing the ear; 143. a transverse tube; 15. an oil injection structure; 151. a hollow tube; 152. a shunt tube; 153. an atomizing spray head; 16. a first heat sink; 17. a second heat sink.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 3, the present invention provides a technical solution: a gear for an automobile gearbox comprises a gearbox body 1, an output shaft 2 and a gear disc 3 arranged on the surface of the output shaft, wherein a temperature sensor 4 is arranged at the bottom of the left side of an inner cavity of the gearbox body 1, a discharge structure 5 is communicated with the left side of the bottom of the gearbox body 1, an oil cooling structure 6, an oil pump 7 and a first box body 8 are respectively arranged at the bottom of the gearbox body 1, an inlet pipe of the oil pump 7 is communicated with the oil cooling structure 6, an outlet pipe of the oil pump 7 penetrates through the first box body 8 and is communicated with a ring pipe 9, the right side of the ring pipe 9 is communicated with a folded pipe 10, a second box body 11 is bolted at the right side of the front of the gearbox body 1, a communication structure 12 is arranged at the outer side of the second box body 11, a U-shaped pipe 13 is arranged inside the second box body 11, one end, far away from the ring pipe 9, of the folded pipe 10 penetrates into the second box body 11 and is communicated, the top of 1 inboard of gearbox casing is provided with oil spout structure 15, through temperature sensor 4, discharge structure 5, oil cooling structure 6, oil pump 7, first box 8, annular pipe 9, the type pipe 10 that rolls over, second box 11, intercommunication structure 12, U type pipe 13, oil transportation structure 14 and oil spout structure 15's setting, the gear self heat dissipation that has solved present gearbox is poor and the gearbox also can not provide good heat dissipation, gear life is reduced, the problem of its practicality has been reduced, this gear for the gearbox can well dispel the heat, effectively prevent high temperature damage, be worth using widely.

Specifically, as shown in fig. 1, the drain structure 5 includes a drain pipe 51, an elbow 52 and a solenoid valve 53, the drain pipe 51 is communicated with the elbow 52, the solenoid valve 53 is disposed on the surface of the elbow 52, and the solenoid valve 53 is used in cooperation with the temperature sensor 4, when the temperature of the oil in the transmission case 1 is detected to be high, the solenoid valve 53 is opened to drain, and the subsequent processing operation is performed.

Specifically, as shown in fig. 1, the oil cooling structure 6 includes a cooling oil tank 61, an observation window 62 and a scale mark 63, the cooling oil tank 61 is communicated with the end of the elbow pipe 52, the observation window 62 is opened on the right side of the surface of the cooling oil tank 61, and the scale mark 63 is arranged on the left side of the observation window 62, which are used for storing cooling oil and facilitating the observation of the amount of oil from the outside.

Specifically, as shown in fig. 2, the ring pipe 9 is located inside the first box 8 and is bolted to the inner wall of the first box 8, the ring pipe 9 is a plurality of rings arranged at equal intervals and communicated with each other, and the ring pipe 9 of this design can increase the contact area between itself and the cooling liquid, so that the high-temperature cooling oil inside is cooled.

Specifically, as shown in fig. 1, the communication structure 12 includes a communication pipe 121, a stop valve 122, and a glass lens 123, the communication pipe 121 communicates with the first tank 8 and the second tank 11, the stop valve 122 is disposed above the surface of the communication pipe 121, and the glass lens 123 is disposed below the surface of the communication pipe 121, and they are used for communicating the second tank 11 with the first tank 8, so as to facilitate adding the coolant.

Specifically, as shown in fig. 1, the oil delivery structure 14 includes L-shaped pipes 141, two fixing lugs 142 and two cross pipes 143, the L-shaped pipes 141 are communicated with the cross pipes 143, the cross pipes 143 are located at the top of the transmission case 1, and the two fixing lugs 142 are respectively installed on two sides of the surface of the cross pipes 143 and are used for delivering cooling oil.

Specifically, as shown in fig. 1, the oil injection structure 15 includes a hollow tube 151, a shunt tube 152 and an atomizer 153, the hollow tube 151 is located at the top of the inner cavity of the transmission case body 1, the shunt tube 152 and the atomizer 153 are respectively arranged at the top and the bottom of the hollow tube 151 and are communicated with the hollow tube, the top end of the shunt tube 152 penetrates through the outer side of the transmission case body 1 and is communicated with the transverse tube 143, and the shunt tube and the atomizer atomize and spray cooling oil in the inner cavity of the transmission case body 1, so as to improve the cooling effect.

Specifically, as shown in fig. 4, the side surfaces of the gear plate 3 are respectively provided with a first heat dissipation fin 16 and a second heat dissipation fin 17, the first heat dissipation fin 16 is located at the inner ring, the second heat dissipation fin 17 is located at the outer ring, and the first heat dissipation fin 16 and the second heat dissipation fin 17 are circumferentially arranged on the surface of the gear plate 3 and are used for dissipating heat generated by high-speed meshing between gears from the side surfaces.

The working principle is as follows: when the cooling oil cooling device is used, cooling oil is added into the cooling oil tank 61, cooling liquid is added into the second tank body 11 and the first tank body 8, the cooling liquid is added from a liquid inlet pipe of the second tank body 11, when the second tank body is about to be full, the stop valve 122 is opened, the cooling liquid flows into the first tank body 8 through the communicating pipe 121 until the liquid can be observed from the glass lens 123, the liquid adding is stopped, the oil pump 7 works to pump the cooling oil in the cooling oil tank 61 into the annular pipe 9, the cooling liquid on the outer side of the oil pump cools the oil, then the cooling liquid flows into the U-shaped pipe 13 through the bent pipe 10, the cooling liquid is cooled again by the cooling liquid on the inner side of the second tank body 11, then the cooling oil is discharged into the inner cavity of the gearbox body 1 through the oil conveying structure 14 and the oil spraying structure 15 respectively, heat generated when the gear plate 3 works is absorbed, when the temperature sensor 4 detects that the oil temperature in the inner, the electromagnetic valve 53 and the oil pump 7 are opened, and the oil path is in a communicated state at the moment, so that the cooling oil is subjected to circulating cooling treatment.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a gear that motor transmission used, includes gearbox body (1), output shaft (2) and installs at its surperficial toothed disc (3), its characterized in that: the temperature sensor (4) is installed at the bottom of the left side of an inner cavity of the transmission case body (1), the left side of the bottom of the transmission case body (1) is communicated with a discharge structure (5), an oil cooling structure (6), an oil pump (7) and a first case body (8) are installed at the bottom of the transmission case body (1) respectively, an inlet pipe of the oil pump (7) is communicated with the oil cooling structure (6), an outlet pipe of the oil pump (7) penetrates through the first case body (8) and is communicated with a ring pipe (9), the right side of the ring pipe (9) is communicated with a folded pipe (10), the right side of the front face of the transmission case body (1) is bolted with a second case body (11), a communication structure (12) is arranged on the outer side of the second case body (11), a U-shaped pipe (13) is installed inside the second case body (11), one end, far away from the ring pipe (9), of the folded pipe (10) penetrates through the inside of the second case body, one end, far away from the bent pipe (10), of the U-shaped pipe (13) is communicated with an oil conveying structure (14), and an oil spraying structure (15) is arranged at the top of the inner side of the gearbox body (1).

2. A gear for a motor vehicle gearbox according to claim 1, characterised in that said drain structure (5) comprises a downcomer (51), an elbow (52) and a solenoid valve (53), said downcomer (51) communicating with the elbow (52), said solenoid valve (53) being provided on the surface of the elbow (52).

3. A gear for a motor vehicle transmission according to claim 2, characterised in that the oil cooling structure (6) comprises a cooling oil tank (61), a viewing window (62) and a scale marking (63), the cooling oil tank (61) communicating with the end of the bend (52), the viewing window (62) opening out to the right of the surface of the cooling oil tank (61), and the scale marking (63) being arranged to the left of the viewing window (62).

4. A gear for a motor vehicle gearbox according to claim 1, characterised in that said annular duct (9) is located inside the first casing (8) and is bolted to the inner wall of the first casing (8), said annular duct (9) being in the form of a plurality of rings arranged at equal intervals and communicating with each other.

5. The gear for the automobile transmission according to claim 1, wherein the communication structure (12) comprises a communication pipe (121), a stop valve (122) and a glass lens (123), the communication pipe (121) is communicated with the first case (8) and the second case (11), the stop valve (122) is arranged above the surface of the communication pipe (121), and the glass lens (123) is arranged below the surface of the communication pipe (121).

6. The gear for the automobile gearbox is characterized in that the oil delivery structure (14) comprises L-shaped pipes (141), fixing lugs (142) and transverse pipes (143), the L-shaped pipes (141) are communicated with the transverse pipes (143), the transverse pipes (143) are located at the top of the gearbox body (1), the number of the fixing lugs (142) is two, and the fixing lugs are respectively installed on two sides of the surface of the transverse pipes (143).

7. The gear for the automobile gearbox is characterized in that the oil spraying structure (15) comprises a hollow pipe (151), a flow dividing pipe (152) and an atomizing nozzle (153), the hollow pipe (151) is located at the top of an inner cavity of the gearbox body (1), the flow dividing pipe (152) and the atomizing nozzle (153) are respectively arranged at the top and the bottom of the hollow pipe (151) and are communicated with the hollow pipe, and the top end of the flow dividing pipe (152) penetrates through the outer side of the gearbox body (1) and is communicated with the transverse pipe (143).

8. A gear wheel for a motor vehicle gearbox according to claim 1, characterised in that the gear wheel disc (3) is provided with first (16) and second (17) cooling fins on its sides, respectively, the first cooling fins (16) being located on the inner ring and the second cooling fins (17) being located on the outer ring, the first (16) and second (17) cooling fins being arranged circumferentially on the surface of the gear wheel disc (3).