CN208764278U - A kind of split type rear power takeoff body structure - Google Patents
A kind of split type rear power takeoff body structure Download PDFInfo
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- CN208764278U CN208764278U CN201821443606.2U CN201821443606U CN208764278U CN 208764278 U CN208764278 U CN 208764278U CN 201821443606 U CN201821443606 U CN 201821443606U CN 208764278 U CN208764278 U CN 208764278U
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- gear
- split type
- bell housing
- box
- sealing flange
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Abstract
The utility model discloses a kind of split type rear power takeoff body structures, gear-box and bell housing including split type setting, crank teeth engineer room and output gear chamber are respectively equipped on the gear-box, the crank teeth engineer room is the cavity of all round closure, it is connected between the output gear chamber and the crank teeth engineer room, the crank teeth engineer room side is equipped with the first sealing flange, accordingly, the bell housing side is equipped with the second sealing flange being tightly connected with first sealing flange, first sealing flange is equipped with the installing port for installing idle gear.The utility model structure is simple, consumptive material is few, casting difficulty is small, high yield rate, facilitates idle gear assembly detection, is avoided that because the change of bell housing interface needs to make a whole set of mold again.
Description
Technical field
The utility model relates to bell housing cabinet technical fields, more specifically, it relates to a kind of split type rear power takeoff
Body structure.
Background technique
Power taking bell housing body structure A is general as shown in Figure 1, being monoblock type body structure after tradition.Idle gear B need from
Side is put into installation in gear-box, and special bolt and sealed bolster plate is cooperated to install from outside, prevents oil leak.
Monoblock type body structure has the disadvantage that: 1, complicated integral structure, consumptive material is more, and casting difficulty is big, high rejection rate；2,
Idle gear installation space is small, and assembly detection is inconvenient, it is also necessary to use special bolt and sealed bolster plate；If 3, bell housing interface changes
Become, needs to do a whole set of mold again, it is at high cost.
Utility model content
The technical problems to be solved in the utility model is the above-mentioned deficiency for the prior art, and the utility model provides one kind
Structure is simple, consumptive material is few, casting difficulty is small, high yield rate, facilitates idle gear assembly detection, avoids needing because bell housing interface changes
Again the split type rear power takeoff body structure of a whole set of mold is done.
Technical scheme of the utility model is as follows: a kind of split type rear power takeoff body structure, including split type set
The gear-box and bell housing set are respectively equipped with crank teeth engineer room and output gear chamber, the crank teeth on the gear-box
Engineer room is the cavity of all round closure, is connected between the output gear chamber and the crank teeth engineer room, the crank teeth
Engineer room side is equipped with the first sealing flange, connects correspondingly, the bell housing side is equipped with to seal with first sealing flange
The second sealing flange connect, first sealing flange are equipped with the installing port for installing idle gear.
As a further improvement, the center of gravity line of the gear-box is overlapped with the center of gravity line of the bell housing.
Further, multiple first connection lugs, multiple first positioning pins are respectively equipped on first sealing flange
Hole, correspondingly, being respectively equipped on second sealing flange opposite with the first connection lug, the first dowel hole position
The second the connection lug, the second dowel hole answered.
Further, the output gear chamber side is equipped with output shaft hole, the crank teeth engineer room other side difference
Equipped with idle gear mounting base, the first crankshaft hole, the output shaft hole, idle gear mounting base, the first crankshaft hole center be respectively positioned on
On the center of gravity line of the gear-box.
Further, second sealing flange is equipped with and the bell housing inner cavity is isolated with the crank teeth engineer room
Baffle, the baffle be equipped with the second crankshaft hole.
Further, the first connection lug, the second connection lug periphery are equipped with reinforcing rib structure.
Beneficial effect
The utility model compared with prior art, has the advantage that are as follows:
1, by split type setting gear-box and bell housing, gear-box and bell housing are close by the first sealing flange and second
Envelope flange closely connects the rear power taking bell housing cabinet of substitution monoblock type, and side need to be opened up in gear-box by, which avoiding, is open, gear
Case and flywheel shell structure are simple, consumptive material is few, casting difficulty is small, high yield rate, and the size of installing port is big, to crankshaft toothed wheel, lazy tooth
The installation of wheel, installation bolt, which tightens, enough operating spaces, and adjustment is facilitated to operate, moreover it is possible to it is convenient for measuring sideshake between gear,
When bell housing interface needs to change, it is only necessary to design new bell housing mold, gear-box does not have to change, avoids connecing because of bell housing
Mouth, which changes, to be needed to make a whole set of mold again, is reduced costs, meanwhile, split type gear-box and bell housing can be convenient in right
The assembly of complete machine improves production efficiency；
2, the center of gravity line of gear-box is overlapped with the center of gravity line of bell housing, design rationally, can simplify inner part installation and
Adjustment detection, also can simplify the processing program of gear-box and bell housing, be conducive to improve machining accuracy；
3, output shaft hole, idle gear mounting base, the first crankshaft hole center be respectively positioned on the center of gravity line of gear-box, arrangement close
Reason, can be convenient installation idle gear, gear-box compact overall structure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of traditional technology；
Fig. 2 is the decomposition texture schematic diagram of the utility model；
Fig. 3 is the schematic perspective view of the utility model；
Fig. 4 is the schematic view of the front view of the utility model middle gear case；
Fig. 5 is the schematic view of the front view of bell housing in the utility model；
Fig. 6 is the structural schematic diagram that the utility model middle gear case installs idle gear.
Wherein: 1- gear-box, 2- bell housing, 3- crank teeth engineer room, 4- output gear chamber, the first sealing flange of 5-, 6-
Two sealing flanges, 7- idle gear, 8- installing port, the connection of 9- first lug, the first dowel hole of 10-, the connection of 11- second lug,
The second dowel hole of 12-, 13- output shaft hole, 14- idle gear mounting base, 15- crankshaft installed hole, 16- baffle, the second crankshaft of 17-
Hole.
Specific embodiment
Specific embodiment in reference to the accompanying drawing is described further the utility model.
Refering to fig. 1-6, a kind of split type rear power takeoff body structure, gear-box 1 and bell housing including split type setting
2, crank teeth engineer room 3 and output gear chamber 4 are respectively equipped on gear-box 1, output gear chamber 4 is located at 3 top of crank teeth engineer room, bent
Shaft gear room 3 is the cavity of all round closure, is connected between output gear chamber 4 and crank teeth engineer room 3,3 side of crank teeth engineer room is set
There is the first sealing flange 5, correspondingly, 2 side of bell housing is equipped with the second sealing flange 6 being tightly connected with the first sealing flange 5,
First sealing flange 5 is equipped with the installing port 8 for installing idle gear 7, and the size of installing port 8 is greater than installation idle gear 7 most
The size of large scale, installing port 8 is big, has enough operations empty crankshaft toothed wheel, idle gear 7, the installation make-up for installing bolt
Between, facilitate adjustment to operate, moreover it is possible to be convenient for measuring sideshake between gear；The center of gravity line of gear-box 1 is overlapped with the center of gravity line of bell housing 2,
That is for the center of gravity line of the center of gravity line of gear-box 1 and bell housing 2 on same perpendicular, design rationally, can simplify inner part
Installation and adjustment detection, also can simplify the processing program of gear-box and bell housing, be conducive to improve machining accuracy；First sealing
Multiple first connection lugs 9, multiple first dowel holes 10, the first connection lug 9 and the first positioning pin are respectively equipped on flange 5
Hole 10 is arranged symmetrically on the first sealing flange 5, connect lug with first correspondingly, being respectively equipped on the second sealing flange 6
9,10 position of the first dowel hole corresponding second connection lug 11, the second dowel hole 12, the first connection being arranged symmetrically
Lug 9, second, which connects lug 10, can make stress equalization between gear-box 1 and bell housing 2, improve locking stability；By dividing
Gear-box 1 and bell housing 2 is arranged in body formula, and gear-box 1 and bell housing 2 are close by the first sealing flange 5 and the second sealing flange 6
The rear power taking bell housing cabinet of connection substitution monoblock type, side need to be opened up in gear-box 1 by, which avoiding, is open, gear-box 1 and flywheel
2 structure of shell is simple, consumptive material is few, casting difficulty is small, high yield rate, when 2 interface of bell housing needs to change, it is only necessary to design new
2 mold of bell housing, gear-box 1 do not have to change, avoid needing to make a whole set of mold again because 2 interface of bell housing changes, reduce
Cost, meanwhile, split type gear-box 1 and bell housing 2 can be convenient in the assembly to complete machine, improve production efficiency.
4 side of output gear chamber is equipped with output shaft hole 13, and 3 other side of crank teeth engineer room is respectively equipped with idle gear mounting base
14, the first crankshaft hole 15, output shaft hole 13, idle gear mounting base 14, the first crankshaft hole 15 center be respectively positioned on the weight of gear-box 1
On heart line, connection and reasonable arrangement can be convenient installation idle gear 7,1 compact overall structure of gear-box；Second sealing flange 6 is equipped with will
The baffle 16 that 2 inner cavity of bell housing is isolated with crank teeth engineer room 3, baffle 16 are equipped with the second crankshaft hole 17, the second crankshaft hole 17 with
It is coaxially arranged between first crankshaft hole 15；It is equipped with gasket between first sealing flange 5 and the second sealing flange 6, can play
Sealing and function of shock insulation.
First connection lug 9, second connects 11 periphery of lug and is equipped with reinforcing rib structure, can effectively improve each connection and takes
The working strength of son improves the stability that gear-box 1 and bell housing 2 connect.
Above-described is only preferred embodiments of the present invention, it should be pointed out that is come for those skilled in the art
It says, under the premise of not departing from the utility model structure, several modifications and improvements can also be made, these all will not influence this reality
With the effect and patent practicability of novel implementation.
Claims (6)
1. a kind of split type rear power takeoff body structure, it is characterised in that: gear-box (1) and bell housing including split type setting
(2), crank teeth engineer room (3) and output gear chamber (4), the crank teeth engineer room (3) are respectively equipped on the gear-box (1)
For the cavity of all round closure, it is connected between the output gear chamber (4) and the crank teeth engineer room (3), the crankshaft
Gear chamber (3) side is equipped with the first sealing flange (5), correspondingly, bell housing (2) side is equipped with and first sealing
The second sealing flange (6) that flange (5) is tightly connected, first sealing flange (5) are equipped with for installing idle gear (7)
Installing port (8).
2. a kind of split type rear power takeoff body structure according to claim 1, it is characterised in that: the gear-box (1)
Center of gravity line be overlapped with the center of gravity line of the bell housing (2).
3. a kind of split type rear power takeoff body structure according to claim 1, it is characterised in that: first sealing
Multiple first connections lug (9), multiple first dowel holes (10) are respectively equipped on flange (5), correspondingly, described second is close
It is respectively equipped in envelope flange (6) and is connected with first connection lug (9), the first dowel hole (10) position corresponding second
Lug (11), the second dowel hole (12).
4. a kind of split type rear power takeoff body structure according to claim 1, it is characterised in that: the output gear
Room (4) side be equipped with output shaft hole (13), described crank teeth engineer room (3) other side be respectively equipped with idle gear mounting base (14),
First crankshaft hole (15), the output shaft hole (13), idle gear mounting base (14), the first crankshaft hole (15) center be respectively positioned on institute
On the center of gravity line for stating gear-box (1).
5. a kind of split type rear power takeoff body structure according to claim 1, it is characterised in that: second sealing
Flange (6) is equipped with the baffle (16) that the bell housing (2) inner cavity is isolated with the crank teeth engineer room (3), the baffle
(16) the second crankshaft hole (17) are equipped with.
6. a kind of split type rear power takeoff body structure according to claim 3, it is characterised in that: first connection
Lug (9), second connection lug (11) periphery are equipped with reinforcing rib structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821443606.2U CN208764278U (en) | 2018-09-05 | 2018-09-05 | A kind of split type rear power takeoff body structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821443606.2U CN208764278U (en) | 2018-09-05 | 2018-09-05 | A kind of split type rear power takeoff body structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208764278U true CN208764278U (en) | 2019-04-19 |
Family
ID=66134175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821443606.2U Active CN208764278U (en) | 2018-09-05 | 2018-09-05 | A kind of split type rear power takeoff body structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208764278U (en) |
-
2018
- 2018-09-05 CN CN201821443606.2U patent/CN208764278U/en active Active
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