CN202811063U - Partial protrusion insertion oil pan structure of engine gearbox - Google Patents

Partial protrusion insertion oil pan structure of engine gearbox Download PDF

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Publication number
CN202811063U
CN202811063U CN 201220381473 CN201220381473U CN202811063U CN 202811063 U CN202811063 U CN 202811063U CN 201220381473 CN201220381473 CN 201220381473 CN 201220381473 U CN201220381473 U CN 201220381473U CN 202811063 U CN202811063 U CN 202811063U
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CN
China
Prior art keywords
gear
oil
box
oil pan
gearbox
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.)
Expired - Fee Related
Application number
CN 201220381473
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Chinese (zh)
Inventor
肖亨琳
刘俊
尚天蓉
韦思谭
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Wuxi Kipor Power Co Ltd
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Wuxi Kipor Power Co Ltd
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Priority to CN 201220381473 priority Critical patent/CN202811063U/en
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Publication of CN202811063U publication Critical patent/CN202811063U/en
Anticipated expiration legal-status Critical
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  • General Details Of Gearings (AREA)

Abstract

The utility model relates to a partial protrusion insertion oil pan structure of an engine gearbox and belongs to the technical field of power devices. The partial protrusion insertion oil pan structure can be used for installing a lubricating oil pump and can improve lubricating oil sealing reliability of an oil pan part. The partial protrusion insertion oil pan structure comprises an engine body, the gearbox, an oil pan and the lubricating oil pump, wherein the gearbox is installed at the front end of the engine body. The partial protrusion insertion oil pan structure is characterized in that the lubricating oil pump is installed on a protruded part positioned on the lower portion of the gearbox, the protruded part positioned on the lower portion of the gearbox is inserted into the oil pan, a sealed plane is formed at the bottom of the gearbox after the gearbox is connected to the engine body, the sealed plane and the oil pan are positioned on a horizontal plane, and the lower end face of the gearbox and the oil pan are sealed to form an inverted trapezoidal shape with the large top and the small bottom from top to bottom. The partial protrusion insertion oil pan structure can improve gear chamber rigidity of an engine, increases auxiliary output power, increases the number of output ports, and also improves integral structural compactness and sealing reliability simultaneously.

Description

A kind of part of engine gearbox is protruded and is inserted oil pan structure
Technical field
The utility model relates to a kind of part of engine gearbox and protrude to insert oil pan structure, can be used for installing lubricating pump, can improve the seal oil reliability of oil sump part, belongs to field of power equipment technology.
Background technique
At present, the structure of the gear case oil drain pan of motor is well-known, split before and after the general employing gear-box, gear is installed to be supported on bolt and is connected in the middle of the front and rear covers, gear-box with bolt be connected with body in aggregates after, be connected with bolt with oil sump again, like this sealing plane plane in aggregates.Lubricating pump can only be lifted on below the body like this, is connected with body, and the turnover oil passage of lubricating pump can only be used pipeline connection.This structure, the gear chamber integral rigidity is poor, and output port is few, complex structure.Also have another kind of structure, body is connected with bolt first with oil sump, and the oil sump two sides is not sealed, and forms like this sealing plane of an integral body at body and oil sump front-end face; Whole gear-box is used bolt and this whole plane sealing again, and this plane is vertical plane, and this gear-box has also served as the effect of oil sump.This structure, the gear-box integral rigidity is poor, and intensity is low, and vertical sealing produces the leakage of lubricant oil easily.
Summary of the invention
The utility model is for above-mentioned the deficiencies in the prior art, provide a kind of part of engine gearbox to protrude the insertion oil pan structure, the structure of this gear case oil drain pan, improved the integral rigidity of gear chamber, increased the quantity of output port, improve the compact overall structure of motor, also improved the seal oil reliability of oil sump part simultaneously.
The technological scheme that provides according to the utility model: a kind of part of engine gearbox is protruded and is inserted oil pan structure, the body, gear-box, oil sump, the lubricating pump that comprise motor, the body front end mounting teeth roller box of motor, feature is: described lubricating pump is installed on the projection of lower gearbox portion, the projection of described lower gearbox portion inserts in the oil sump, the lower end surface of described gear-box and oil sump sealing, gear-box forms a sealing plane in the bottom after being connected to body, and sealing plane and oil sump are on a horizontal plane.
As further improvement of the utility model, described gear-box from top to bottom, up big and down small one-tenth one inverted trapezoidal.
As further improvement of the utility model, be provided with the grease channel of logical oil above the described gear-box, grease channel is delivered to the oil of lubricating pump in the main oil gallery.
As further improvement of the utility model, be provided with the grease channel of logical oil above the described projection, grease channel is delivered to the oil of lubricating pump in the main oil gallery.
As further improvement of the utility model, the front-end face of described oil sump is provided with auxiliary output port, and auxiliary output gear can be engaged to above the gear of gear-box by gear.
Compared with the prior art the utility model has the following advantages:
The utility model is owing to insert the projection of engine gearbox in the oil sump, and gear-box is connected to behind the body and forms a sealing plane in the bottom, can so that with being sealed on the horizontal plane of oil sump.The gear-box front/rear end is because install auxiliary output, and the lower end surface seals with oil sump, so up big and down small one-tenth one inverted trapezoidal from top to bottom.Do so the further rigidity that improves gear-box, improve simultaneously assembling, anufacturability, and maintenance operation is convenient.Compact structure, sealing is reliable.In addition, the projection of lower gearbox portion places in the whole sealing plane, is inserted in the oil sump, can be used for installing lubricating pump.Gear-box and be provided with the grease channel of logical oil above the projection is delivered to the oil of lubricating pump in the main oil gallery.The front-end face of oil sump can arrange auxiliary output port, and auxiliary output gear can be engaged to above the gear of gear-box by gear.Do like this, further improved structural compactness, the auxiliary output of simultaneously more convenient installation.This structure has improved the gear chamber rigidity of motor, has increased auxiliary output power, has increased the quantity of output port, has also improved overall structure through gathering property, sealing reliability.
Description of drawings
Fig. 1 is the plan view that the utility model uses state, and motor is from free-ended to view.
Fig. 2 be Fig. 1 along the sectional view of A-A, the free-ended partial graph of motor vertical profile.
Fig. 3 be Fig. 2 along the sectional view of B-B, shown the gear transmission part.
Fig. 4 is that Fig. 1 is along the revolved sectional view of C-C.
Fig. 5, Fig. 6 are the utility model structural upright schematic representation.
Embodiment
Below in conjunction with the embodiment in the accompanying drawing the utility model is further described.
Fig. 1~shown in Figure 6, comprise bent axle 1, main bearing cap 2, Main bearing bolt 3, the body 4 of motor, top board 5, bolt 6, crankcase 7, gear-box 8, antetheca 8a, rear wall 8b, left wall 8c, right wall 8d, projection 8e, the first idle gear 9, gearwheel 9a, small gear 9b, the second idle gear 10, gearwheel 10a, small gear 10b, loam cake 11, bolt 12, oil sump 13, bolt 14, gear-box overall structure 15, bolt 16, crankshaft gear 17, hole 18, hole 19, bolt 20, gear shaft 21, bolt 22, bolt 23, delivery outlet 24a, 24b, 24c, 24d, 24e, 24f, 24g, 24h, lubricating pump 25, grease channel 26, oil-feed oil duct 26a, oil discharge passage 26b, grease channel 27, port 27a, 27b, camshaft gear wheel 28, gearwheel 28a, small gear 28b, the 3rd idle gear 29, gear of fuel pump 30, the first oil duct 31, the second oil duct 32, water channel 33, water pump 34, port 35a, 35b, gear cavity 36, seal ring 37, sealing plane 38, piston rod 39, bolt 40 etc.
In the accompanying drawings among the 1-4, the bent axle 1 of motor is pressed abd fixed in the body 4 of motor by main bearing cap 2, Main bearing bolt 3, the top neither one top board 5 of the body 4 of motor, top board 5 usefulness bolts 6 are fixed on above the body 4 of motor, top board 5 has played the effect of pressurized crankcase 7, has also played the effect of supporting member.
Gear-box 8 is arranged on the front of the body 4 of motor, and it has antetheca 8a in aggregates, rear wall 8b, left wall 8c, right wall 8d.The first idle gear 9 and the second idle gear 10 mounting supports are at antetheca 8a, in the middle of the rear wall 8b.This is provided with a loam cake 11 above gear-box 8, loam cake 11 is connected with gear-box 8 by a plurality of bolts 12, is connected with the body 4 of motor by a plurality of bolts 16.This gear-box 8 is bolted on the body 4 of motor, and forms the sealing plane 38 of an integral body in the bottom with the body 4 of motor, can be so that be sealed on the horizontal plane with the oil sump 13 of below; The oil sump 13 of below is connected on the gear-box overall structure 15 that gear-box 8 and body 4 connect into by a plurality of bolts 14.
The loam cake 11 middle gear chambeies 36 of gear-box 8 are for the camshaft gear wheel 28, the 3rd idle gear 29 and the gear of fuel pump 30 that stretch out on the body 4 of covering engine; Loam cake 11 has outlet link to each other with the top board 5 of the body 4 of motor, can fuel pump be installed at the top board 5 of the body 4 of motor.Oil leab 27 ports having 27a, the 27b of loam cake 11, the cooling of lubricant oil can be installed, filter, the lubricant oil of coming in the gear-box 8 is carried out filtering, cooling, and output to again the main oil gallery of the body 4 of motor, the second oil duct 32 of gear-box 8, and other position that need to lubricate by the first oil duct 31.Water channel 33 in the loam cake 11, the water that the water pump 34 of installing on the gear-box 8 can be exported through port 35a, the 35b that is connected with the body 4 of motor, is delivered to the main channel of motor.
The rear wall 8b of gear-box 8 is close to the body 4 of motor, and the position of stretching out at bent axle 1 and the crankshaft gear 17 of motor is provided with a hole 18, is used for avoiding bent axle 1 and the crankshaft gear 17 of motor; The antetheca 8a of gear-box 8 also is provided with a hole 19 in the position that the bent axle 1 of motor stretches out, and is used for the bent axle 1 of supporting engine, and for the front end output of the bent axle 1 of motor.The antetheca 8a of gear-box 8, the centre of rear wall 8b are equipped with the first idle gear 9 and the second idle gear 10, the first idle gear 9 and the second idle gear 10 all are comprised of a gearwheel 10a and a small gear 10b, and large small gear is connected to form an integral body by a plurality of bolts 20.The first idle gear 9 and the second idle gear 10 are installed in the middle of the antetheca 8a and rear wall 8b of gear-box 8, gear shaft 21 is passed in the centre, the first idle gear 9 and the second idle gear 10 are just in gear shaft 21 rotations, and the bolt 22 that is through gear shaft pass always connect after above the body 4 of motor of rear wall 8b back, the periphery of gear shaft also has bolt 23 that gear shaft 21 is fixed on the antetheca 8a of gear-box 8.
Gear-box 8 antetheca 8a, rear wall 8b are because install auxiliary output, and lower end surface and oil sump 13 seal, so gear-box 8 is from top to bottom, and up big and down small one-tenth one inverted trapezoidal.The projection 8e of gear-box 8 inserts in the oil sump 13, and projection 8e places in the whole sealing plane 38, does not affect the sealing on integral sealing plane 38, and lubricating pump 25 is installed above the projection 8e.
Gear-box 8 and form the grease channel 26 of logical oil above the projection 8e is delivered to the oil of lubricating pump 25 in the oil leab 27 of loam cake 11, realizes to the lubricated of motor with to the cooling of lubricant oil, filtering.Oil-feed oil duct 26a is the oil inlet passage of lubricating pump 25, and oil discharge passage 26b is the lubricant oil delivery side of pump, and lubricant oil is along oil discharge passage 26b, in the grease channel 27 of the loam cake 11 of gear-box 8.Oil sump 13 is equipped with the seal ring 37 of a whole circle with the body 4 of motor, the whole sealing plane 38 of gear-box 8, and integral body connects by a plurality of bolts 14.The front-end face of oil sump 13 is provided with output port 24c, 24d.
Work as engine operation, 1 rotation of piston rod 39 motion driving cranks, crankshaft gear 17 rotations, drive the rotation of idle gear 9 and idle gear 10, gearwheel 9a, the 10a of the first idle gear 9 and the second idle gear 10 drives gearwheel delivery outlet 24a, 24b, 24c, 24d in the antetheca, with rear wall 8b delivery outlet 24g, 24h, comprise engine water pump 34, the gearwheel 9a of while the first idle gear 9 is the lubricating pump 25 of drive installation on the projection 8e of gear-box 8 also; Small gear 9b, the 10b of the first idle gear 9 and the second idle gear 10 drives small gear output port 24e, the 24f among the antetheca 8a.Suitable for reading at gear-box 8, crankshaft gear 17 be also driving cam shaftgear 28 simultaneously, and camshaft gear wheel 28 also has coaxial gearwheel 28a, small gear 28b, connects to form by bolt 40.When camshaft gear wheel 28 rotated, small gear 28b drove idle gear 29 rotations simultaneously, and idle gear 29 drives gear of fuel pump 30 rotations.In engine operation, lubricant oil also under the driving of lubricating pump 25 at oil sump 13, grease channel 26, gear-box 8, oil leab 27 flows in the loam cake 11, outputs to the position that each need to lubricate.Cooling water is also driven by water pump 34, carries each position that need to cool off through gear chamber loam cake 11.
Through implementing proof, this embodiment has following effect:
The projection 8e of gear-box 8 bottoms inserts in the oil sump 13, and gear-box 8 is connected to behind the body 4 and forms a sealing plane 38 in the bottom, can so that with being sealed on the horizontal plane of oil sump 13.Gear-box 8 front/rear ends are because install auxiliary output, and the lower end surface seals with oil sump 13, so up big and down small one-tenth one inverted trapezoidal from top to bottom.Compact overall structure, after the oil sump support and connection, gear box structure good rigidly, good airproof performance.It is reasonable that inside arranges oil channel structure, and reliable operation has reduced cost.

Claims (5)

1. the part of an engine gearbox is protruded and is inserted oil pan structure, the body (4) that comprises motor, gear-box (8), oil sump (13), lubricating pump (25), the body of described motor (4) front end mounting teeth roller box (8), it is characterized in that: described lubricating pump (25) is installed on the projection (8e) of gear-box (8) bottom, the projection (8e) of described gear-box (8) bottom inserts in the oil sump (13), the lower end surface of described gear-box (8) and oil sump (13) sealing, form a sealing plane (38) in the bottom after gear-box (8) is connected with the body (4) of motor, sealing plane (38) and oil sump (13) are on a horizontal plane.
2. the part of a kind of engine gearbox as claimed in claim 1 protrude to be inserted oil pan structure, it is characterized in that: described gear-box (8) from top to bottom, up big and down small one-tenth one inverted trapezoidal.
3. the part of a kind of engine gearbox as claimed in claim 1 is protruded and inserted oil pan structure, it is characterized in that: be provided with the grease channel of logical oil above the described gear-box (8), grease channel is delivered to the oil of lubricating pump in the main oil gallery.
4. the part of a kind of engine gearbox as claimed in claim 1 is protruded and is inserted oil pan structure, it is characterized in that: be provided with the grease channel (26) of logical oil above the projection (8e) of described gear-box (8) bottom, grease channel (26) is delivered to the oil of lubricating pump in the main oil gallery.
5. the part of a kind of engine gearbox as claimed in claim 1 is protruded and is inserted oil pan structure, and it is characterized in that: the front-end face of described oil sump (13) is provided with auxiliary output port.
CN 201220381473 2012-08-02 2012-08-02 Partial protrusion insertion oil pan structure of engine gearbox Expired - Fee Related CN202811063U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220381473 CN202811063U (en) 2012-08-02 2012-08-02 Partial protrusion insertion oil pan structure of engine gearbox

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220381473 CN202811063U (en) 2012-08-02 2012-08-02 Partial protrusion insertion oil pan structure of engine gearbox

Publications (1)

Publication Number Publication Date
CN202811063U true CN202811063U (en) 2013-03-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102758688A (en) * 2012-08-02 2012-10-31 无锡开普动力有限公司 Structure of inserting partial bulge of engine gearbox into oil pan

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102758688A (en) * 2012-08-02 2012-10-31 无锡开普动力有限公司 Structure of inserting partial bulge of engine gearbox into oil pan
CN102758688B (en) * 2012-08-02 2014-12-03 无锡开普动力有限公司 Structure of inserting partial bulge of engine gearbox into oil pan

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130320

Termination date: 20150802

EXPY Termination of patent right or utility model