CN210949834U - Integral oil distributor - Google Patents
Integral oil distributor Download PDFInfo
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- CN210949834U CN210949834U CN201921537330.9U CN201921537330U CN210949834U CN 210949834 U CN210949834 U CN 210949834U CN 201921537330 U CN201921537330 U CN 201921537330U CN 210949834 U CN210949834 U CN 210949834U
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Abstract
The utility model discloses an integral oil distributor, relating to the technical field of oil distributors; the oil distribution disc comprises an oil distribution disc, a guide wheel shaft positioned in the middle of the oil distribution disc, a plurality of oil ducts positioned in the oil distribution disc, oil inlet holes positioned at the end parts of the oil ducts, and bolt holes positioned at the edge of the oil distribution disc, wherein the oil distribution disc and the guide wheel shaft are of an integrally formed structure, and a plurality of lightening holes are formed in the oil distribution disc. The utility model provides an integral oil distributor, processing is simple, and weight is little. In addition, the anti-theft and anti-loosening functions can be realized.
Description
Technical Field
The utility model belongs to the technical field of the oil distributor, in particular to integral oil distributor.
Background
The traditional oil distributor comprises an oil distribution disc and a guide wheel shaft, wherein the oil distribution disc of the traditional oil distributor is in interference fit press-fitting connection with the guide wheel shaft. The interference fit has the quality defect of hydraulic leakage caused by the reduction of the sealing performance of the oil distributor due to improper interference of the matching surface or surface damage of the matching surface in the processes of manufacturing and press mounting of parts. In addition, the interference magnitude has a large influence on the performance of the oil distribution disc, when the interference magnitude is too large, the plane of the oil distribution disc is deformed due to matching, and when the interference magnitude is too small, the strength of the oil separator for resisting torque is reduced. Therefore, in order to ensure proper interference of the matching surface, the dimensional accuracy and the surface roughness of the matching part of the oil distribution disc and the guide wheel shaft have strict requirements, the quality requirement of the manufacturing and press-fitting process is high, and the manufacturing cost is increased. In addition, the oil distribution disc is of a cake-shaped structure and is heavy.
Patent No. CN109681619A, the patent name "an oil distribution system and an oil distribution disc assembly of a gearbox"; the oil distribution system of the gearbox comprises the gearbox and an oil distribution disc assembly, wherein the oil distribution disc assembly comprises an oil distribution disc and a disc shaft, the oil distribution disc comprises a sleeve and a disc body, and the disc shaft is press-mounted on the oil distribution disc; the oil distribution disc is arranged on a shell of the gearbox, and the sleeve is inserted into a control cavity of a clutch in the gearbox; the disc body is provided with a first oil duct, the sleeve is provided with a first oil hole, the press-fitting surface of the disc shaft is provided with a first oil groove, and the first oil duct and the first oil hole are communicated with the first oil groove; the first oil duct is provided with a first oil port for oil inlet. The present invention still has high production requirements.
Disclosure of Invention
The utility model aims at overcoming the shortcoming that prior art processing requires height and weight is big, providing an integral oil distributor, processing is simple, and weight is little.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an integral oil distributor comprises an oil distribution disc, a guide wheel shaft positioned in the middle of the oil distribution disc, a plurality of oil ducts positioned in the oil distribution disc, oil inlet holes positioned at the end parts of the oil ducts, and bolt holes positioned at the edge of the oil distribution disc, wherein the oil distribution disc and the guide wheel shaft are of an integrally formed structure, and a plurality of lightening holes are formed in the oil distribution disc. The oil distribution disc and the guide wheel shaft are integrally formed, in order to meet the requirement that the oil duct of the integral oil distributor is communicated, a five-axis machining center and a casting technology are combined to communicate the oil duct, and meanwhile, the machining efficiency is improved (each oil duct is machined by one-time clamping); and part of the oil ducts are communicated by being designed into inclined holes (processed by a five-axis machining center), and part of the oil ducts are communicated by being designed into a casting structure, so that all the oil ducts are ensured to meet the use requirements of products. The weight of the lightening hole is reduced by more than 30 percent.
Preferably, the oil distribution disc is provided with the bolt holes at the positions corresponding to the oil inlet holes. The bolt hole is arranged at the edge of the oil distribution disc, and the oil inlet hole ensures the stability of the transmission oil, so the bolt hole is arranged near the oil inlet hole.
Preferably, the oil distribution disc and the guide wheel shaft are made of nodular cast iron. The strength requirement is met by utilizing a high-strength ductile iron casting material, a guide wheel shaft in the prior art is made of ordinary carbon steel No. 45 (the breaking strength is 600MPa, and the yield strength is 355 MPa), and the ductile iron QT600-3 (the breaking strength is 600MPa and the yield strength is 370 MPa) is designed and used in the embodiment and can completely meet the use requirement.
Preferably, the second ribs and a part of the ribs are radially distributed around the axis of the idler shaft. The circumferential strength of the guide wheel shaft is ensured to be uniform.
Preferably, a fixing bolt used for fixedly connecting the oil distribution disc on the gearbox is inserted in the bolt hole, the fixing bolt comprises a stud and a bolt head, the cross section of the bolt head is circular, a groove used for accommodating the bolt head is arranged in the position, corresponding to the bolt hole, of the oil distribution disc, an annular slot is formed in the inner side wall of the groove, a wrench inserting groove used for inserting a wrench is formed in one side, away from the stud, of the bolt head, two through sliding grooves are formed in the inner side wall of the wrench inserting groove, one end of each sliding groove faces the wrench groove, the other end of each sliding groove faces the slot, an inserting piece is connected in each sliding groove in a sliding mode and is symmetrical with the circle center of the cross section of the bolt head, a wire collecting groove parallel to the axis of the stud is formed in the groove bottom of the wrench groove, a spring and a pull wire are arranged between the two inserting pieces, the pull wire corresponds to the take-up groove. When the spanner is taken out, the inserted sheet is embedded into the slot, and when the fixing bolt is not flexible, the inserted sheet prevents the bolt head from moving towards the direction of the moving stud, so that the fixing bolt is prevented from being flexible.
Preferably, the cross section of the wrench groove is a regular hexagon. And rotating the fixing bolt by adopting an inner hexagonal wrench.
Preferably, the bolt head is matched with the groove, an annular anti-theft and anti-loosening groove is formed between the bolt head and the groove, and the groove width of the anti-theft and anti-loosening groove is 80% -90% of the thickness of the inserting sheet. At the moment, if someone wants to use a common socket head cap wrench to dismount the oil distributor privately, the inserting piece is always in the slot, when the fixing bolt is rotated, the sliding groove moves upwards, the sliding groove is staggered with the slot, the inserting piece is bent, the inserting piece is deformed into an S shape, the middle part of the inserting piece is embedded into the anti-theft anti-loosening groove, the groove width of the anti-theft anti-loosening groove is 80% -90% of the thickness of the inserting piece, the inserting piece can be clamped in the anti-theft anti-loosening groove, the socket head cap wrench cannot continuously rotate the fixing bolt, the fixing bolt cannot be screwed out, and therefore the anti-theft effect of the oil distributor is. In a similar way, when the fixing bolt is loosened, the inserting pieces also play a role in preventing looseness.
The utility model has the advantages that: the utility model provides an integral oil distributor, processing is simple, and weight is little. In addition, the anti-theft and anti-loosening functions can be realized.
Drawings
FIG. 1 is a schematic view of example 1;
FIG. 2 is a side view of embodiment 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic view of a bolt hole and a fixing bolt;
FIG. 5 is a cross-sectional view B-B of FIG. 4;
FIG. 6 is a schematic view of the wrench tightening the anchor bolts;
FIG. 7 is a schematic view of the wrench as it is being withdrawn from the wrench slot;
FIG. 8 is a schematic view of an insert as it is deformed.
In the figure: the anti-theft anti-loosening device comprises an oil distribution disc 1, a guide wheel shaft 2, an oil duct 3, reinforcing ribs 4, lightening holes 5, a framework 6, a second reinforcing rib 7, a stud 8, a bolt head 9, a groove 10, a gearbox 11, a slot 12, a wrench groove 13, a wrench 14, an inserting piece 15, a sliding groove 16, a take-up groove 17, a spring 18, a pull wire 19, an anti-theft anti-loosening groove 20, an inserting rod 21, a limiting groove 22, a bolt hole 23 and an oil inlet hole 24.
Detailed Description
The invention will be further explained in detail with reference to the drawings and the following detailed description:
example 1:
referring to fig. 1 to 3, the integral oil distributor comprises an oil distribution disc 1, a guide wheel shaft 2 positioned in the middle of the oil distribution disc 1, a plurality of oil passages 3 positioned in the oil distribution disc 1, oil inlet holes 24 positioned at the end parts of the oil passages 3, and bolt holes 23 positioned at the edge of the oil distribution disc 1, wherein the oil distribution disc 1 and the guide wheel shaft 2 are of an integrally formed structure, and the oil distribution disc 1 and the guide wheel shaft 2 are made of nodular cast iron; a plurality of lightening holes 5 are formed in the oil distribution disc 1; the oil distribution disc 1 is provided with a reinforcing rib 4 at a position corresponding to the oil duct 3, and the oil duct 3 is positioned in the reinforcing rib 4; the oil distribution disc 1 is provided with the bolt holes 23 at the positions corresponding to the oil inlet holes 24; the oil distribution disc 1 comprises an annular framework 6 and a second reinforcing rib 7, one end of the second reinforcing rib is fixedly connected to the framework 6, the other end of the second reinforcing rib 7 is fixedly connected to the guide wheel shaft 2, the framework 6, the second reinforcing rib 7 and the reinforcing rib 4 enclose the lightening hole 5, and the bolt hole 23 is located on the framework 6; the second reinforcing ribs 7 and a part of the reinforcing ribs 4 are distributed in a radial manner by taking the axis of the guide wheel shaft 2 as the center.
The principle of the embodiment is as follows:
the traditional oil distributor comprises an oil distribution disc 1 and a guide wheel shaft 2, wherein the oil distribution disc 1 and the guide wheel shaft 2 of the traditional oil distributor are in interference fit press-fitting connection. The interference fit has the quality defect of hydraulic leakage caused by the reduction of the sealing performance of the oil distributor due to improper interference of the matching surface or surface damage of the matching surface in the processes of manufacturing and press mounting of parts. In addition, the interference magnitude has a large influence on the performance of the oil distribution disc, when the interference magnitude is too large, the plane of the oil distribution disc is deformed due to matching, and when the interference magnitude is too small, the strength of the oil separator for resisting torque is reduced. Therefore, in order to ensure proper interference of the matching surface, the dimensional accuracy and the surface roughness of the matching part of the oil distribution disc and the guide wheel shaft have strict requirements, the quality requirement of the manufacturing and press-fitting process is high, and the manufacturing cost is increased.
In the embodiment, the oil distribution disc 1 and the guide wheel shaft 2 are integrally formed, an integral structure is adopted, nodular cast iron is used as a material, and the torsional strength requirement of the oil distributor is met. Due to the adoption of the integral structure, the structure is simplified, and the manufacturing cost is reduced. In the embodiment, the strength requirement is met by utilizing a high-strength ductile iron casting material, the guide wheel shaft in the prior art is made of ordinary carbon steel No. 45 (the breaking strength is 600MPa, and the yield strength is 355 MPa), and the ductile iron QT600-3 (the breaking strength is 600MPa, and the yield strength is 370 MPa) is designed and used in the embodiment and can completely meet the use requirement.
The lightening holes 5 are formed in the oil distribution disc 1, the use of materials is reduced, the weight is reduced by more than 30%, and meanwhile, the strength of the oil distribution disc 1 is guaranteed to meet requirements in a mode of integrating the reinforcing ribs and the oil passages 3.
The second reinforcing ribs 7 and part of the reinforcing ribs are distributed in a radiation mode by taking the shaft of the guide wheel shaft 2 as the center, the circumferential strength of the guide wheel shaft 2 is uniform, and the rigidity and the strength of the framework 6 are improved by the second reinforcing ribs 7. Bolt holes 23 are arranged at the edge of the oil distribution pan 1, and oil inlet holes ensure stability of the transfer oil, so the bolt holes 23 are provided near the oil inlet holes.
Example 2:
see fig. 4-8; in the embodiment, the bolt hole 23 and the fixing bolt are improved on the basis of embodiment 1, specifically as follows:
a fixing bolt used for fixedly connecting the oil distribution disc 1 on the gearbox 11 is inserted into the bolt hole 23, the fixing bolt comprises a stud 8 and a bolt head 9, the cross section of the bolt head 9 is circular, a groove 10 used for accommodating the bolt head 9 is formed in the position, corresponding to the bolt hole 23, of the oil distribution disc 1, an annular slot 12 is formed in the inner side wall of the groove 10, a wrench 14 used for being inserted into a wrench groove 13 is formed in one side, away from the stud 8, of the bolt head 9, and the cross section of the wrench groove 13 is in a regular hexagon shape; the wrench 14 is a specially-made hexagon socket wrench, two through sliding grooves 16 are formed in the inner side wall of the wrench groove 13, one ends of the sliding grooves 16 face the wrench groove 13, the other ends of the sliding grooves 16 face the slot 12, an inserting piece 15 is connected in each sliding groove 16 in a sliding mode, the inserting pieces 15 are symmetrical around the circle center of the cross section of the bolt head 9, a wire take-up groove 17 parallel to the axis of the stud 8 is formed in the bottom of the wrench groove 13, a spring 18 and a pull wire 19 are arranged between the two inserting pieces 15, two ends of the spring 18 are connected to the inserting pieces 15 on two sides of the spring, two ends of the pull wire 19 are connected to the inserting pieces 15 on two sides of the pull wire 19, and the pull wire 19; the bolt head 9 is matched with the groove 10, an annular anti-theft anti-loosening groove 20 is formed between the bolt head 9 and the groove 10, and the groove width of the anti-theft anti-loosening groove 20 is 80% -90% of the thickness of the inserting sheet 15.
The principle of the embodiment is as follows:
the oil distributor is complex in stress when in use, the oil distributor is fixed on the gearbox 11 through a bolt, the bolt is easy to loosen, a specially-made inner hexagonal wrench is needed to be used, an insertion rod 21 matched with the take-up groove 17 is fixedly connected to the end of the inner hexagonal wrench, and a limiting groove 22 is formed in one end, far away from the inner hexagonal wrench, of the insertion rod 21.
In an initial state, under the action of a spring 18, a stay wire 19 is straightened, one end of each insertion piece 15 is exposed outside a bolt head 9, the stay wire 19 is embedded into a limiting groove 22, then an insertion rod 21 is inserted into a wire collecting groove 17, the stay wire 19 is brought into the wire collecting groove 17, the two insertion pieces 15 are close to each other, one end of each insertion piece 15, which is originally exposed outside the bolt head 9, enters a sliding groove 16, at the moment, the end part of an inner hexagonal wrench abuts against the insertion piece 15, then a fixing bolt is screwed, a gearbox 11 and an oil distributor are fixed together, then the inner hexagonal wrench is drawn out, the insertion rod 21 is drawn out of the wire collecting groove 17, under the action of the spring 18, the insertion pieces 15 move towards a slot 12, finally, the stay wire 19 is straightened, and the.
At the moment, if someone wants to use a common socket head wrench to dismount the oil distributor privately, the inserting piece 15 is always in the slot 12, when the fixing bolt is rotated, the sliding groove 16 moves upwards, the sliding groove 16 is staggered with the slot 12, the inserting piece 15 is bent, the inserting piece 15 deforms in an S shape, the middle part of the inserting piece 15 is embedded into the anti-theft anti-loosening groove 20, the groove width of the anti-theft anti-loosening groove 20 is 80% -90% of the thickness of the inserting piece 15, the inserting piece 15 can be clamped in the anti-theft anti-loosening groove 20, the socket head wrench cannot rotate the fixing bolt continuously, the fixing bolt cannot be screwed out, and therefore the anti-theft effect of the oil distributor is achieved.
Similarly, when the fixing bolt is loosened, the inserting piece 15 also plays a role in preventing looseness.
Claims (7)
1. The integral oil distributor comprises an oil distribution disc, a guide wheel shaft positioned in the middle of the oil distribution disc, a plurality of oil passages positioned in the oil distribution disc, oil inlet holes positioned at the end parts of the oil passages, and bolt holes positioned at the edge of the oil distribution disc.
2. The integral oil distributor according to claim 1, wherein the oil distribution disc is provided with the bolt holes at positions corresponding to the oil inlet holes.
3. The integral oil distributor of claim 1, wherein the oil distribution disc and the guide wheel shaft are all made of nodular cast iron.
4. The integral oil distributor according to claim 1, wherein the oil distribution disc comprises an annular framework and a second reinforcing rib, one end of the second reinforcing rib is fixedly connected to the framework, the other end of the second reinforcing rib is fixedly connected to the guide wheel shaft, the framework, the second reinforcing rib and the reinforcing rib surround the lightening holes, and the bolt holes are formed in the framework; the second reinforcing ribs and a part of reinforcing ribs are distributed in a radial mode by taking the shaft of the guide wheel shaft as the center.
5. The integral oil distributor according to claim 1, 2, 3 or 4, wherein a fixing bolt for fixedly connecting an oil distribution disc to a gearbox is inserted into the bolt hole, the fixing bolt comprises a stud and a bolt head, the cross section of the bolt head is circular, a groove for accommodating the bolt head is arranged at a position corresponding to the bolt hole of the oil distribution disc, an annular slot is formed in the inner side wall of the groove, one side, away from the stud, of the bolt head is provided with a wrench insertion groove for inserting a wrench, the inner side wall of the wrench insertion groove is provided with two through sliding grooves, one end of each sliding groove faces the corresponding wrench insertion groove, the other end of each sliding groove faces the corresponding slot, an insertion piece is connected in each sliding groove in a sliding manner, the insertion pieces are symmetrical around the center of the cross section of the bolt head, a take-up groove parallel to the axis of the stud is formed in the groove bottom, the spring both ends are connected on the inserted sheet of its both sides, act as go-between both ends and connect on the inserted sheet of its both sides, act as go-between and receive line trench position and correspond.
6. The integral oil distributor of claim 5, wherein the cross-section of the wrench groove is a regular hexagon.
7. The integral oil distributor according to claim 5, wherein the bolt head is matched with the groove, an annular anti-theft and anti-loosening groove is formed between the bolt head and the groove, and the groove width of the anti-theft and anti-loosening groove is 80% -90% of the thickness of the insert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921537330.9U CN210949834U (en) | 2019-09-16 | 2019-09-16 | Integral oil distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921537330.9U CN210949834U (en) | 2019-09-16 | 2019-09-16 | Integral oil distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210949834U true CN210949834U (en) | 2020-07-07 |
Family
ID=71383558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921537330.9U Active CN210949834U (en) | 2019-09-16 | 2019-09-16 | Integral oil distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210949834U (en) |
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2019
- 2019-09-16 CN CN201921537330.9U patent/CN210949834U/en active Active
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