CN117052875A - Exhaust device of gearbox - Google Patents
Exhaust device of gearbox Download PDFInfo
- Publication number
- CN117052875A CN117052875A CN202311314223.0A CN202311314223A CN117052875A CN 117052875 A CN117052875 A CN 117052875A CN 202311314223 A CN202311314223 A CN 202311314223A CN 117052875 A CN117052875 A CN 117052875A
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- China
- Prior art keywords
- frame
- fixedly connected
- wall
- shell
- guide plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims description 71
- 230000007246 mechanism Effects 0.000 claims description 56
- 239000010705 motor oil Substances 0.000 abstract description 57
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000003921 oil Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/027—Gearboxes; Mounting gearing therein characterised by means for venting gearboxes, e.g. air breathers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0423—Lubricant guiding means mounted or supported on the casing, e.g. shields or baffles for collecting lubricant, tubes or pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention relates to the field of gearboxes, in particular to an exhaust device of a gearbox. When the gearbox is exhausted, atomized engine oil can be recovered more fully and rapidly, the engine oil leakage of the gearbox is reduced more effectively, the blockage is avoided, and the loss of the engine oil is reduced more effectively. The invention comprises a shell, an upper cover, a mounting rack and the like; the outer wall lower part of casing is equipped with the screw thread, casing outer wall upper portion fixedly connected with upper cover, the inner wall upper portion fixedly connected with mounting bracket of casing. The guide plate and the fixed shell can be penetrated in the process of gas discharge, under the guide of the guide plate, gas and atomized engine oil can pass through the inner side wall of the guide plate, the engine oil can be liquefied again on the inner side wall of the guide plate and flow between the guide plate and the guide frame, and then atomized engine oil discharge is reduced, and the condition of engine oil leakage of the gearbox is reduced.
Description
Technical Field
The invention relates to the field of gearboxes, in particular to an exhaust device of a gearbox.
Background
A gearbox is a mechanism for changing rotational speed and torque from an engine that can fix or shift the ratio of the output shaft to the input shaft. When the gearbox works, the internal temperature can rise to cause the expansion of gas in the gearbox shell, and the gas in the gearbox needs to be discharged at the moment so as to avoid oil leakage of an oil seal caused by the overhigh pressure in the gearbox, so that an exhaust device is usually arranged on the gearbox.
At present, in the exhaust process of the gearbox, part of engine oil is atomized due to the high temperature in the gearbox, and atomized engine oil is discharged along with air, so that engine oil of the gearbox leaks, engine oil loss is caused, and even the lubrication effect in the gearbox is affected. In the prior art, although some exhaust devices can reduce leakage of engine oil in a gearbox, atomized engine oil is inconvenient to effectively recycle, loss of engine oil still can be caused, and the exhaust devices are easy to be blocked by long-time accumulation of the atomized engine oil, so that normal exhaust of the gearbox is affected.
Disclosure of Invention
In view of the above, the present invention provides an exhaust device for a transmission, which can more sufficiently and rapidly recover atomized engine oil when exhausting the transmission, more effectively reduce engine oil leakage of the transmission, and avoid clogging, thereby more effectively reducing engine oil loss.
The technical implementation scheme of the invention is as follows: the utility model provides an exhaust apparatus of gearbox, includes the casing, the outer wall lower part of casing is equipped with the screw thread, casing outer wall upper portion fixedly connected with upper cover, the top fixedly connected with support frame of upper cover, fixedly connected with electric putter on the support frame, electric putter's telescopic link with the upper cover slidingtype is connected, the top fixedly connected with piston cylinder of upper cover, the upper cover with piston cylinder intercommunication, fixedly connected with piston block on electric putter's the telescopic link, piston block with piston cylinder slidingtype is connected, the inner wall upper portion fixedly connected with mounting bracket of casing, the inner wall lower part fixedly connected with sealing ring of casing, be equipped with the mechanism that opens and shuts on the mounting bracket, the mechanism that opens and shuts is used for carrying out normal exhaust to the gearbox, be equipped with collection mechanism on the sealing ring, collection mechanism is used for retrieving the engine oil that liquefies again.
In a preferred embodiment of the present invention, the opening and closing mechanism includes a fixed housing, the fixed housing is fixedly connected to the mounting frame, a sliding rod is slidably connected to a central position of the mounting frame, the sliding rod is slidably connected to the fixed housing, an annular spring is connected between the mounting frame and the sliding rod, a sealing plate is fixedly connected to a bottom end surface of the sliding rod, the sealing plate is located in the sealing ring, and the sealing plate contacts with an inner wall of the sealing ring.
In a preferred embodiment of the present invention, the collecting mechanism includes a guiding frame, the guiding frame is slidably connected to the sealing ring, the guiding frame is slidably connected to the inner wall of the housing, two tension springs are connected between the guiding frame and the housing, a guiding plate is sleeved on the outer wall of the fixing housing, a guiding plate is fixedly connected to the bottom of the guiding plate, the sliding rod passes through the guiding plate, the guiding plate contacts with the inner wall of the guiding frame, two pushing frames are fixedly connected to the bottom of the guiding frame, the two pushing frames contact with the bottom of the sealing ring, and the sealing plate is located above the two pushing frames.
In a preferred embodiment of the present invention, the present invention further includes a switching mechanism, the switching mechanism is disposed on the fixed shell, the switching mechanism includes a sealing frame, the sealing frame is fixedly connected to an upper portion of an outer wall of the fixed shell, a fixed baffle is fixedly connected to an upper portion of an inner wall of the shell, a rotating frame is rotatably connected to the fixed baffle, the rotating frame contacts with the sealing frame, two flow pipes are disposed on the rotating frame, a chute is disposed on an outer wall of a lower portion of the rotating frame, a clamping frame is fixedly connected to one side of a top of the flow guiding frame, the clamping frame is slidably connected to the chute of the rotating frame, two connecting pipes are fixedly connected to an upper portion of an outer wall of the flow guiding plate, the two connecting pipes are respectively slidably connected to the two flow pipes of the rotating frame, and the two connecting pipes are respectively communicated with the two flow pipes of the rotating frame.
In a preferred embodiment of the present invention, the present invention further includes a limiting mechanism, the limiting mechanism is disposed on the housing, the limiting mechanism includes a limiting frame, the limiting frame is fixedly connected to an upper portion of an outer wall of the housing, the limiting frame is located at an inner side of the upper cover, a fixed gear is fixedly connected to an upper side surface of the rotating frame, the fixed shell passes through the fixed gear, three rotating screws are connected to the mounting frame through threads, the lower ends of the three rotating screws are fixedly connected to the rotating gears, the fixed gears are engaged with the three rotating screws, a moving frame is rotatably connected between the upper ends of the three rotating screws, and the moving frame is slidably connected to the upper cover.
In a preferred embodiment of the present invention, the present invention further comprises a filter screen, wherein the filter screen is fixedly connected to the bottom of the upper cover, and the filter screen is fixedly connected to the outer wall of the housing.
In a preferred embodiment of the present invention, the sealing plate further comprises a contact rod, a plurality of contact rods are fixedly connected to the upper side surface of the sealing plate, a fixing ring is fixedly connected to the outer wall of the lower end of the fixing shell, the fixing ring is located above the plurality of contact rods, and the fixing ring is in contact with the guiding plate.
Compared with the prior art, the invention has the following advantages: 1. when the pressure in the gearbox is too big, can promote the closing plate and upwards move, and then make the inside gas of gearbox can pass between guide board and the fixed shell through the casing exhaust, in gas exhaust in-process earlier, under the direction of guide board, gas and atomized engine oil can pass through the inside wall of guide board, engine oil can be liquefied again on the inside wall of guide board, and flow between guide board and the water conservancy diversion frame, and then reduce atomized engine oil and discharge, and electric putter can promote slide bar and closing plate and move down, and then make external air enter into the gearbox through the casing, the closing plate moves down and can promote two promotion framves and water conservancy diversion frame and move down, make water conservancy diversion frame and guide board break away from the contact, then in the engine oil that stores up between water conservancy diversion frame and the guide board can flow back the gearbox, and then retrieve the engine oil, thereby can be under the circumstances that makes gearbox normal work and exhaust, reduce the gearbox and leak the engine oil takes place.
2. The guide frame moves downwards and can drive the clamping frame to move downwards, the clamping frame moves downwards and can push the rotating frame to rotate, the rotating frame rotates and can seal the upper portion of the shell together with the fixed baffle, then air can only flow to the lower portion of the shell through two runner pipes and two connecting pipes of the rotating frame, a part of gas in the two connecting pipes can be introduced between the guide plate and the guide plate, residual engine oil between the guide plate and the guide plate is blown back into the gearbox, the engine oil is prevented from being blocked due to the fact that the engine oil is remained between the guide plate and the guide plate, and meanwhile atomized engine oil can be recovered more fully and rapidly, so that the engine oil leakage of the gearbox is further reduced.
3. The rotating frame rotates to drive the fixed gear to rotate, so that the rotating screw rod rotates and moves downwards, the moving frame is driven to move downwards and contact with the limiting frame, external air cannot enter the shell, then extruded air in the piston cylinder is introduced into two connecting pipes to impact engine oil between the guide plate and the guide plate, and residual engine oil between the guide plate and the guide plate can be blown into the gearbox more fully and rapidly, so that the engine oil is prevented from being hardened or deteriorated due to long-time residual of the guide plate and the guide plate, and the engine oil can be recovered more thoroughly, so that the loss of the engine oil is reduced more effectively.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic cross-sectional perspective view of the present invention.
Fig. 3 is a schematic perspective view of a first partial cross-section of the opening and closing mechanism and the collecting mechanism of the present invention.
Fig. 4 is a schematic view of a second partially cut-away perspective of the opening and closing mechanism and the collection mechanism of the present invention.
Fig. 5 is a schematic view of a first partially cut-away perspective of the opening and closing mechanism, the collection mechanism and the switching mechanism of the present invention.
Fig. 6 is a partially disassembled perspective view of the collection mechanism of the present invention.
Fig. 7 is a schematic view of a second partially cut-away perspective of the opening and closing mechanism, the collection mechanism and the switching mechanism of the present invention.
Fig. 8 is a partially disassembled perspective view of the switching mechanism of the present invention.
Fig. 9 is a schematic view of a partially cut-away perspective view of the switching mechanism and limiting mechanism of the present invention.
Fig. 10 is a schematic partial perspective view of the limiting mechanism of the present invention.
Fig. 11 is a schematic view showing a disassembled three-dimensional structure of a fixed gear and a movable frame of the present invention.
Fig. 12 is a schematic perspective view of the housing, the upper cover and the filter screen of the present invention.
Wherein the above figures include the following reference numerals: 1. the device comprises a shell, 2, an upper cover, 21, a supporting frame, 22, an electric push rod, 23, a piston cylinder, 24, a piston block, 3, a mounting frame, 4, a sealing ring, 51, a fixed shell, 52, a sliding rod, 53, a ring spring, 54, a sealing plate, 61, a guide frame, 62, a tension spring, 63, a guide plate, 64, a guide plate, 65, a pushing frame, 71, a sealing frame, 72, a fixed baffle, 73, a rotating frame, 74, a clamping frame, 75, a connecting pipe, 81, a limiting frame, 82, a fixed gear, 83, a rotating screw rod, 831, a rotating gear, 84, a moving frame, 9, a filter screen, 101, a contact rod, 102 and a fixed ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1: 1-12, including casing 1, casing 1's outer wall lower part is equipped with the screw thread, casing 1 passes through the screw thread installation of screw thread on the exhaust hole of gearbox, casing 1 outer wall upper portion welding has upper cover 2, upper cover 2 is used for leading gas, upper cover 2's top fixedly connected with support frame 21, there is electric putter 22 through bolted connection on the support frame 21, electric putter 22's telescopic link with upper cover 2 sliding connection, upper cover 2's top fixedly connected with piston cylinder 23, upper cover 2 with piston cylinder 23 intercommunication, electric putter 22's telescopic link is last fixedly connected with piston block 24, piston block 24 with piston cylinder 23 sliding connection, casing 1's inner wall upper portion welding has mounting bracket 3, casing 1's inner wall lower part fixedly connected with sealing ring 4, sealing ring 4 is used for sealing up casing 1, sealing ring 4 is annular structure, be equipped with on the 3 and open and shut mechanism, be used for carrying out the collection mechanism again to the collection mechanism that collects engine oil, the mechanism that is equipped with on the telescopic link, the collection mechanism is used for collecting mechanism that the normal is used for collecting mechanism.
The opening and closing mechanism comprises a fixed shell 51, the fixed shell 51 is fixedly connected to the mounting frame 3, the fixed shell 51 is of a hollow structure, a sliding rod 52 is connected to the central position of the mounting frame 3 in a sliding mode, the sliding rod 52 is located right below a telescopic rod of the electric push rod 22, the lower end of the sliding rod 52 is located inside the fixed shell 51, the sliding rod 52 is connected with the fixed shell 51 in a sliding mode, an annular spring 53 is connected between the mounting frame 3 and the sliding rod 52, the annular spring 53 is sleeved on the sliding rod 52, the annular spring 53 is located in the fixed shell 51, the fixed shell 51 is used for protecting the annular spring 53, atomized engine oil is prevented from adhering to the annular spring 53, a sealing plate 54 is fixedly connected to the bottom end face of the sliding rod 52, the sealing plate 54 is located in the sealing ring 4, the sealing plate 54 is in contact with the inner wall of the sealing ring 4, and the sealing plate 54 is used for sealing the sealing ring 4.
The collecting mechanism comprises a guide frame 61, the guide frame 61 is slidably connected to the sealing ring 4, a concave surface is arranged on the guide frame 61 and used for guiding engine oil, the guide frame 61 is slidably connected with the inner wall of the shell 1, two tension springs 62 are connected between the guide frame 61 and the shell 1 through hooks, a guide plate 63 is sleeved on the outer wall of the fixed shell 51, a convex surface is arranged on the guide plate 63 and used for guiding gas, a guide plate 64 is welded at the bottom of the guide plate 63, a convex surface is arranged on the guide plate 64 and used for guiding air, a sliding rod 52 penetrates through the guide plate 64, the guide plate 64 is in contact with the inner wall of the guide frame 61, liquefied engine oil can be accumulated between the guide plate 64 and the guide frame 61, two pushing frames 65 are fixedly connected to the bottom of the guide frame 61 and are in contact with the bottom of the sealing ring 4, the two pushing frames 65 are symmetrically arranged, and the guide plate 54 is located above the two pushing frames 65.
In actual operation, the casing 1 is mounted on the exhaust hole of the gearbox through threads, when the internal temperature of the gearbox is increased to cause the pressure to be increased when the gearbox works, the pressure in the casing of the gearbox is increased to push the sealing plate 54 to move upwards, so that the sealing plate 54 is not blocked on the sealing ring 4, the lower part of the casing 1 is communicated with the upper part, thus the gas in the gearbox is discharged through the casing 1, the sealing plate 54 moves upwards to drive the sliding rod 52 to move upwards, the annular spring 53 is compressed, meanwhile, part of engine oil is atomized due to the increase of the internal temperature of the gearbox, atomized engine oil is discharged along with the air in the gearbox, the air passes between the guide plate 64 and the fixed casing 51 in the process of discharging the air from the casing 1, the air and the atomized engine oil are discharged onto the inner side wall of the guide plate 63 under the guide effect of the guide plate 64, the engine oil is re-liquefied on the inner side wall of the guide plate 63 and flows between the guide plate 64 and the guide frame 61 along the inner side wall of the guide plate 63, so that atomized engine oil is reduced to be discharged, when the pressure in the shell of the gearbox returns to normal, the annular spring 53 returns to drive the sliding rod 52 and the sealing plate 54 to return downwards together, the sealing plate 54 returns to close the sealing ring 4 again, then the electric push rod 22 starts and stretches the telescopic rod of the electric push rod 22, the telescopic rod of the electric push rod 22 stretches to drive the piston block 24 to move downwards, the piston block 24 moves downwards to squeeze air in the piston cylinder 23 into the shell 1, meanwhile, the telescopic rod of the electric push rod 22 stretches to contact with the top end of the sliding rod 52, then the sliding rod 52 and the sealing plate 54 are pushed to move downwards, the annular spring 53 is stretched, the sealing plate 54 moves downwards and simultaneously contacts with the two pushing frames 65, then promote two pushing frames 65 and water conservancy diversion frame 61 and move down together for water conservancy diversion frame 61 breaks away from the contact with guide board 64, tension spring 62 is stretched, then the engine oil that holds up between water conservancy diversion frame 61 and the guide board 64 can flow back into the gearbox, and then retrieve the engine oil, then the telescopic link shrink of electric putter 22 can drive piston block 24 and reset upwards, the telescopic link shrink of electric putter 22 can break away from the contact with slide bar 52 simultaneously, annular spring 53 resets and can drive slide bar 52 and closing plate 54 and reset upwards together, closing plate 54 resets upwards and can reclose sealing ring 4, and then seal the gearbox, closing plate 54 resets upwards and can break away from the contact with two pushing frames 65, simultaneously tension spring 62 resets and can drive water conservancy diversion frame 61 and two pushing frames 65 and reset together, make water conservancy diversion frame 61 and guide board 64 again contact, through the operation can be under the circumstances that makes the gearbox work and exhaust normally, the condition that the gearbox leaks the engine oil is reduced.
Example 2: on the basis of embodiment 1, as shown in fig. 5-9, the device further comprises a switching mechanism, the switching mechanism is arranged on the fixed shell 51, the switching mechanism is used for blowing some residual engine oil between the guide plate 63 and the guide plate 64 back into the gearbox, blocking caused by the engine oil remaining between the guide plate 63 and the guide plate 64 is avoided, the switching mechanism comprises a sealing frame 71, the sealing frame 71 is fixedly connected to the upper portion of the outer wall of the fixed shell 51, the sealing frame 71 is arranged below the mounting frame 3, a fixed baffle 72 is fixedly connected to the upper portion of the inner wall of the shell 1, two sealing convex plates are arranged on the fixed baffle 72, the fixed baffle 72 is arranged below the mounting frame 3, a rotating frame 73 is rotatably connected to the fixed baffle 72, the two sealing convex plates of the fixed baffle 72 are in contact with the bottoms of the rotating frame 73, the rotating frame 73 can seal the shell 1 together with the fixed baffle 72, the rotating frame 73 is arranged below the sealing frame 71, the rotating frame 73 is arranged on the lower portion of the sealing frame 71, the two clamping frames 73 are in contact with the two sliding frames 75, the two sliding frames 75 are respectively connected to the two sliding frames 75, and the two sliding frames 75 are respectively connected to the two sliding frames 75.
Initially, the two runner pipes of the rotating frame 73 are plugged by the sealing frame 71, the two sealing convex plates of the fixed baffle 72 do not seal the rotating frame 73, so when the gearbox is exhausted through the shell 1, air guided on the inner side wall of the guide plate 63 is not discharged through the two runner pipes of the rotating frame 73, and flows out from a gap between the fixed baffle 72 and the rotating frame 73, normal exhaust of the shell 1 is realized, when the guide frame 61 moves downwards, the clamping frame 74 is driven to move downwards, the clamping frame 74 moves downwards to push the rotating frame 73 to rotate, the rotating frame 73 rotates to drive the two connecting pipes 75, the guide plate 63 and the guide plate 64 to rotate together, and because the fixed baffle 72 is fixed, the rotating frame 73 rotates to be sealed by the two sealing convex plates of the fixed baffle 72, the rotating frame 73 and the fixed baffle 72 together seal the upper part of the shell 1, meanwhile, the sealing frame 71 does not plug the two runner pipes of the rotating frame 73 any more, then air on the upper part of the shell 1 can only flow to the lower part of the shell 1 through the two runner pipes of the rotating frame 73 and the two connecting pipes 75, the clamping frame 74 moves downwards, the two guide plate 75 can push the rotating frame 73 to rotate downwards, the two connecting pipes can be driven to rotate together, the two connecting pipes 63 and the two guide plate 63 and the oil can be recovered to the upper part of the rotating frame 64 can be fully, and the engine oil can be recovered and the oil can be recovered to the position between the two guide plate 63 and the two guide plate 64 can be fully and completely upwards, and the oil can be recovered, and completely recovered, and the oil can be recovered and completely and leaked upwards from the part of the rotating frame 64.
Example 3: on the basis of embodiment 2, as shown in fig. 2-11, the device further comprises a limiting mechanism, the limiting mechanism is arranged on the shell 1, the limiting mechanism is used for more fully and rapidly blowing residual engine oil between the guide plate 63 and the guide plate 64 into the gearbox, the limiting mechanism comprises a limiting frame 81, the limiting frame 81 is fixedly connected to the upper portion of the outer wall of the shell 1, an inclined plane is arranged on the limiting frame 81, the limiting frame 81 is located on the inner side of the upper cover 2, a fixed gear 82 is welded on the upper side of the rotating frame 73, the sealing frame 71 is located in the fixed gear 82, the fixed shell 51 penetrates through the fixed gear 82, three rotating screw rods 83 are connected to the mounting frame 3 through threads, the three rotating screw rods 83 are evenly arranged at intervals, the lower ends of the three rotating screw rods 83 are connected with a rotating gear 831 through flat keys, the fixed gear 82 is meshed with the three rotating screw rods 83, a moving frame 84 is connected between the upper ends of the three rotating screw rods 83, the moving frame 84 is connected with the upper cover 2, and the moving frame 84 is located on the upper cover 1, and the shell is not limited by the moving frame 84, and the air is prevented from entering the shell 81.
The rotating frame 73 rotates and drives the fixed gear 82 to rotate, the fixed gear 82 rotates and drives the three rotating gears 831 to rotate together, the rotating gears 831 rotate and drive the rotating screw rod 83 to rotate and move downwards, the three rotating screw rods 83 move downwards and drive the rotating gears 831 and the moving frame 84 to move downwards together, the moving frame 84 moves downwards and contacts with the limiting frame 81, then the moving frame 84 and the limiting frame 81 together seal the shell 1 and the upper cover 2, so that outside air cannot enter the shell 1, then the piston block 24 moves downwards and extrudes air in the piston cylinder 23 into the shell 1, the air in the shell 1 is introduced into the two connecting pipes 75 and can impact engine oil between the guide plate 63 and the guide plate 64, accordingly, residual engine oil between the guide plate 63 and the guide plate 64 can be blown down into the gearbox more fully and quickly, the engine oil is prevented from being remained on the guide plate 63 and the guide plate 64 for a long time and hardening or deteriorating, meanwhile, the engine oil loss can be more effectively reduced, the rotating frame 73 can drive the fixed gear 82, the rotating gears 83 and the rotating frame 83 are reversed, the rotating frame 83 is reset together, and the guide plate 83 is reset up and the shell 84 is not contacted with the rotating frame 84, and the upper cover is reset up and the shell 84 is not normally, and the air can be reset up and reset, and the shell 81 is not contacted with the upper cover 1.
Example 4: on the basis of embodiment 3, as shown in fig. 2-12, the air filter further comprises a filter screen 9, wherein the filter screen 9 is welded at the bottom of the upper cover 2, the filter screen 9 is fixedly connected with the outer wall of the shell 1, the filter screen 9 is of an annular structure, and the filter screen 9 is used for filtering outside air.
When the shell 1 and the upper cover 2 are normally ventilated, the filter screen 9 can filter external impurities and dust, so that the impurities and the dust are prevented from entering the gearbox.
Example 5: on the basis of embodiment 4, as shown in fig. 2-5, the device further comprises a contact rod 101, wherein two contact rods 101 are fixedly connected to the upper side surface of the sealing plate 54, the two contact rods 101 are symmetrically arranged, a fixing ring 102 is welded on the outer wall of the lower end of the fixing shell 51, the fixing ring 102 is of a hollow truncated cone-shaped structure, the fixing ring 102 is located above the two contact rods 101, the guide plate 64 is located above the two contact rods 101, the fixing ring 102 is in contact with the guide plate 64, the fixing ring 102 and the guide plate 64 together seal the shell 1, and the two contact rods 101 move upwards to push the guide plate 64 to move upwards, so that the shell 1 is opened.
Initially, the fixing ring 102 blocks the gap between the guide plate 64 and the lower part of the fixing shell 51, the shell 1 is in a sealed state, the sealing plate 54 moves upwards and drives the contact rod 101 to move upwards, so that the contact rod 101 contacts with the inner side wall of the guide plate 64, then the guide plate 64 and the guide plate 63 are pushed to move upwards together, the guide plate 64 moves upwards and is separated from contact with the fixing ring 102, then gas in the gearbox is discharged, the sealing plate 54 moves downwards and drives the contact rod 101 to move downwards, at the moment, the fixing ring 102 still blocks the gap between the guide plate 64 and the lower part of the fixing shell 51, and the discharged air in the two connecting pipes 75 can flow between the guide plate 63 and the guide plate 64 completely, so that residual engine oil between the guide plate 63 and the guide plate 64 is further blown, and the recovery efficiency of engine oil is further improved.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an exhaust apparatus of gearbox, characterized by, including casing (1), the outer wall lower part of casing (1) is equipped with the screw thread, casing (1) outer wall upper portion fixedly connected with upper cover (2), the top fixedly connected with support frame (21) of upper cover (2), fixedly connected with electric putter (22) on support frame (21), the telescopic link of electric putter (22) with upper cover (2) slidingtype connection, the top fixedly connected with piston cylinder (23) of upper cover (2), upper cover (2) with piston cylinder (23) intercommunication, fixedly connected with piston piece (24) on the telescopic link of electric putter (22), piston piece (24) with piston cylinder (23) slidingtype connection, the inner wall upper portion fixedly connected with mounting bracket (3) of casing (1), the inner wall lower part fixedly connected with sealing ring (4) of casing (1), be equipped with on mounting bracket (3) and open and shut mechanism is used for carrying out the exhaust gas to the gearbox, be equipped with on the sealing ring (4) and collect mechanism again, be used for retrieving the normal liquefaction mechanism.
2. The exhaust device of a gearbox according to claim 1, characterized in that the opening and closing mechanism comprises a fixed shell (51), the fixed shell (51) is fixedly connected to the mounting frame (3), a sliding rod (52) is slidably connected to the central position of the mounting frame (3), the sliding rod (52) is slidably connected to the fixed shell (51), an annular spring (53) is connected between the mounting frame (3) and the sliding rod (52), a sealing plate (54) is fixedly connected to the bottom end surface of the sliding rod (52), the sealing plate (54) is located in the sealing ring (4), and the sealing plate (54) is in contact with the inner wall of the sealing ring (4).
3. The exhaust device of a gearbox according to claim 2, characterized in that the collecting mechanism comprises a guide frame (61), the guide frame (61) is connected to the sealing ring (4) in a sliding manner, the guide frame (61) is connected to the inner wall of the shell (1) in a sliding manner, two tension springs (62) are connected between the guide frame (61) and the shell (1), a guide plate (63) is sleeved on the outer wall of the fixed shell (51), a guide plate (64) is fixedly connected to the bottom of the guide plate (63), the sliding rod (52) penetrates through the guide plate (64), the guide plate (64) is in contact with the inner side wall of the guide frame (61), two pushing frames (65) are fixedly connected to the bottom of the guide frame (61), the two pushing frames (65) are in contact with the bottom of the sealing ring (4), and the sealing plate (54) is located above the two pushing frames (65).
4. A gear box exhaust device according to claim 3, further comprising a switching mechanism, wherein the switching mechanism is arranged on the fixed shell (51), the switching mechanism comprises a sealing frame (71), the sealing frame (71) is fixedly connected with the upper part of the outer wall of the fixed shell (51), a fixed baffle (72) is fixedly connected with the upper part of the inner wall of the shell (1), a rotating frame (73) is rotatably connected with the fixed baffle (72), the rotating frame (73) is in contact with the sealing frame (71), two runner pipes are arranged on the rotating frame (73), a chute is formed in the outer wall of the lower part of the rotating frame (73), a clamping frame (74) is fixedly connected with one side of the top of the guiding frame (61), two connecting pipes (75) are fixedly connected with the upper part of the outer wall of the guiding plate (63), and the two connecting pipes (75) are respectively connected with the two runner pipes (73) in a sliding mode, and the two runner pipes (75) are respectively communicated with the two runner pipes.
5. The exhaust device of a gearbox according to claim 4, further comprising a limiting mechanism, wherein the limiting mechanism is arranged on the shell (1), the limiting mechanism comprises a limiting frame (81), the limiting frame (81) is fixedly connected to the upper portion of the outer wall of the shell (1), the limiting frame (81) is located on the inner side of the upper cover (2), a fixed gear (82) is fixedly connected to the upper side face of the rotating frame (73), the fixed shell (51) penetrates through the fixed gear (82), three rotating screw rods (83) are connected to the mounting frame (3) through threads, rotating gears (831) are fixedly connected to the lower ends of the three rotating screw rods (83), the fixed gear (82) are meshed with the three rotating screw rods (83), a movable frame (84) is rotatably connected between the upper ends of the three rotating screw rods (83), and the movable frame (84) is slidably connected with the upper cover (2).
6. An exhaust device for a gearbox according to claim 5, further comprising a filter screen (9), wherein the filter screen (9) is fixedly connected to the bottom of the upper cover (2), and wherein the filter screen (9) is fixedly connected to the outer wall of the housing (1).
7. An exhaust device of a gearbox according to claim 6, further comprising a contact rod (101), wherein a plurality of contact rods (101) are fixedly connected to the upper side surface of the sealing plate (54), a fixing ring (102) is fixedly connected to the outer wall of the lower end of the fixing shell (51), the fixing ring (102) is located above a plurality of contact rods (101), and the fixing ring (102) is in contact with the guide plate (64).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311314223.0A CN117052875B (en) | 2023-10-11 | 2023-10-11 | Exhaust device of gearbox |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311314223.0A CN117052875B (en) | 2023-10-11 | 2023-10-11 | Exhaust device of gearbox |
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| CN117052875A true CN117052875A (en) | 2023-11-14 |
| CN117052875B CN117052875B (en) | 2023-12-26 |
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| CN202311314223.0A Active CN117052875B (en) | 2023-10-11 | 2023-10-11 | Exhaust device of gearbox |
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| JPS5919781A (en) * | 1982-07-22 | 1984-02-01 | Nissan Motor Co Ltd | Structure of gear housing |
| JP2004190819A (en) * | 2002-12-13 | 2004-07-08 | Tochigi Fuji Ind Co Ltd | Breather structure |
| CN201206621Y (en) * | 2008-06-03 | 2009-03-11 | 浙江吉利汽车研究院有限公司 | Normally opening ventilating device for automobile transmission |
| CN110410484A (en) * | 2018-04-28 | 2019-11-05 | 镇江市金鼎变速箱有限公司 | A kind of exhaust apparatus of gearbox |
| CN112648353A (en) * | 2021-01-07 | 2021-04-13 | 六安市龙兴汽车零部件有限公司 | New energy automobile gearbox casing lateral wall ventilation structure |
| CN113833824A (en) * | 2021-07-23 | 2021-12-24 | 浙江哈克雷斯传动科技有限公司 | Exhaust device of gearbox |
| CN218863225U (en) * | 2022-12-07 | 2023-04-14 | 常州明迪机械有限公司 | Exhaust device of gearbox |
| CN116838924A (en) * | 2023-07-03 | 2023-10-03 | 张家港宏昌钢板有限公司 | Oil leakage prevention exhaust device of blower |
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2023
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5919781A (en) * | 1982-07-22 | 1984-02-01 | Nissan Motor Co Ltd | Structure of gear housing |
| JP2004190819A (en) * | 2002-12-13 | 2004-07-08 | Tochigi Fuji Ind Co Ltd | Breather structure |
| CN201206621Y (en) * | 2008-06-03 | 2009-03-11 | 浙江吉利汽车研究院有限公司 | Normally opening ventilating device for automobile transmission |
| CN110410484A (en) * | 2018-04-28 | 2019-11-05 | 镇江市金鼎变速箱有限公司 | A kind of exhaust apparatus of gearbox |
| CN112648353A (en) * | 2021-01-07 | 2021-04-13 | 六安市龙兴汽车零部件有限公司 | New energy automobile gearbox casing lateral wall ventilation structure |
| CN113833824A (en) * | 2021-07-23 | 2021-12-24 | 浙江哈克雷斯传动科技有限公司 | Exhaust device of gearbox |
| CN218863225U (en) * | 2022-12-07 | 2023-04-14 | 常州明迪机械有限公司 | Exhaust device of gearbox |
| CN116838924A (en) * | 2023-07-03 | 2023-10-03 | 张家港宏昌钢板有限公司 | Oil leakage prevention exhaust device of blower |
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| CN117052875B (en) | 2023-12-26 |
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