CN211422815U - Engine oil pump keysets switching structure - Google Patents

Engine oil pump keysets switching structure Download PDF

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Publication number
CN211422815U
CN211422815U CN201922310665.3U CN201922310665U CN211422815U CN 211422815 U CN211422815 U CN 211422815U CN 201922310665 U CN201922310665 U CN 201922310665U CN 211422815 U CN211422815 U CN 211422815U
Authority
CN
China
Prior art keywords
oil pump
adapter plate
keysets
bolt
switching structure
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
CN201922310665.3U
Other languages
Chinese (zh)
Inventor
杨慧婧
赵宇
卢晓曦
张�杰
徐丙平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongfeng Cummins Engine Co Ltd
Original Assignee
Dongfeng Cummins Engine Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongfeng Cummins Engine Co Ltd filed Critical Dongfeng Cummins Engine Co Ltd
Priority to CN201922310665.3U priority Critical patent/CN211422815U/en
Application granted granted Critical
Publication of CN211422815U publication Critical patent/CN211422815U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an engine oil pump keysets switching structure, including the oil pump, the oil pump right side is provided with the keysets, the oil pump bottom is connected with the oil pump support, the keysets left side is provided with the nut, the nut inner circle is provided with first bolt. This engine oil pump keysets switching structure, keysets both sides installation face through setting up is curve or line segment to make things convenient for the installation of bolt, and then avoid interfering with parts on every side, connect oil pump and gear room through the keysets, the hydraulic fluid port is got to sealed former oil simultaneously, thereby make this department machine oil not leak, and then guarantee that oil pump gear can transmit the moment of torsion and give the oil pump, make the normal pump oil of oil pump, thereby reached and need not to change oil pump or newly-designed gear room. The oil pump can be realized, the development cost can be reduced, and the development period can be shortened.

Description

Engine oil pump keysets switching structure
Technical Field
The utility model relates to an engine fuel oil system technical field specifically is an engine oil pump keysets switching structure.
Background
An engine with 1100 horsepower needs to be developed on the basis of the existing 13L engine, a high-flow oil pump is needed for the high-horsepower engine, an imported oil pump is adopted for the project, the oil pump needs to be installed and matched, the size of the axial installation surface of the imported oil pump is inconsistent with that of the axial installation surface of a crude oil pump of the engine, if a gear chamber is changed, the mold opening needs to be carried out again, the cost is high, and the period is long. In order to reduce the development cost and reduce the development cycle, the adapter plate switching structure is designed for the transitional connection between the oil pump and the gear chamber, the design cost is low, the development cycle is short, the connection tightness can be ensured, and the adapter plate switching structure and another newly designed oil pump bracket play a supporting role for the oil pump.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides an engine oil pump keysets switching structure possesses with low costs, and development cycle is short, can guarantee advantages such as the leakproofness of connecting, has solved the inconsistent problem of size of imported oil pump and engine crude oil pump axial installation face.
(II) technical scheme
For realizing above-mentioned with low costs, development cycle is short, can guarantee the purpose of the leakproofness of connecting, the utility model provides a following technical scheme: an engine oil pump adapter plate switching structure comprises an oil pump, wherein an adapter plate is arranged on the right side of the oil pump, an oil pump support is connected to the bottom of the oil pump, a nut for connection and fixation is arranged on the left side of the adapter plate, a first bolt for connection and fixation is further arranged on the left side of the adapter plate, a second O-shaped ring is arranged on the right side of the adapter plate, a first O-shaped ring is arranged on the right side of the adapter plate, a gear chamber is arranged on the right side of the adapter plate, and a second bolt is arranged on the right side of the;
the adapter plate includes the gear room bolt hole that sets up along the circumferencial direction, still be provided with first screw hole along the circumferencial direction on the adapter plate, first screw hole with gear room bolt hole staggered arrangement, the adapter plate bottom is provided with sealed recess, the adapter plate right side is provided with first step, adapter plate inner circle one side is provided with the sealed axial plane of gear room, the adapter plate right side is provided with the curved surface, adapter plate inner circle opposite side is provided with the sealed axial plane of oil pump, the adapter plate bottom is provided with the second step, the adapter plate right side is provided with the third step, the adapter plate right side is provided with the fourth step.
Preferably, the adapter plate material is gray cast iron and is machined after casting.
Preferably, the adapter plate is connected with one surface of the oil pump adjacent to the adapter plate through a first bolt.
Preferably, a third O-ring seal is arranged on the outer shaft ring of the oil pump.
Preferably, the second bolt is a long bolt.
Preferably, the gear chamber bolt holes are three, and the first threaded holes are four.
Compared with the prior art, the utility model provides an engine oil pump keysets switching structure possesses following beneficial effect:
1. this engine oil pump keysets switching structure, keysets both sides installation face through setting up is curve or line segment to make things convenient for the installation of bolt, and then avoid interfering with parts on every side, connect oil pump and gear room through the keysets, the hydraulic fluid port is got to sealed former oil simultaneously, thereby make this department machine oil not leak, and then guarantee that oil pump gear can transmit the moment of torsion and give the oil pump, make the normal pump oil of oil pump, thereby reached and need not to change oil pump or newly-designed gear room. The oil pump can realize the function, reduce the development cost and reduce the development period.
2. This engine oil pump keysets switching structure, the second O type circle through sealed recess inner circle setting, thereby make the machine oil in getting the oilhole not leak, the sealed interference of filling up of keysets and gear room has been avoided through the first step that sets up, the interference of keysets and cylinder body has been avoided through the curved surface that sets up, through taking O type sealing washer with the sealed axial plane of oil pump and oil pump installation axial plane certainly, can guarantee the axial seal of oil pump and keysets, through the second step that sets up, the third step, the fourth step, thereby the installation of bolt has been made things convenient for.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the reverse structure of FIG. 1 according to the present invention;
FIG. 3 is a schematic diagram of the structure of the adapter plate of the present invention;
fig. 4 is a schematic view of the reversed structure of fig. 3 according to the present invention.
Wherein: the oil pump sealing structure comprises an oil pump 1, an adapter plate 2, a first O-shaped ring 3, a gear chamber 4, a second O-shaped ring 5, a first bolt 6, a nut 7, an oil pump support 8, a second bolt 9, a gear chamber bolt hole 10, a first threaded hole 11, a sealing groove 12, a first step 13, a gear chamber sealing shaft surface 14, a curved surface 15, an oil pump sealing shaft surface 17, a second step 18, a third step 19 and a fourth step 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, an engine oil pump adapter plate switching structure comprises an oil pump 1, an adapter plate 2 is arranged on the right side of the oil pump 1, the adapter plate 2 is made of gray cast iron and is machined after casting, one side, adjacent to the oil pump 1, of the adapter plate 2 is connected through a first bolt 6, a third O-shaped sealing ring is arranged on the outer shaft ring of the oil pump 1, an oil pump bracket 8 is connected to the bottom of the oil pump 1, a nut 7 for connection and fixation is arranged on the left side of the adapter plate 2, a first bolt 6 for connection and fixation is further arranged on the left side of the adapter plate 2, a second O-shaped ring 5 is arranged on the right side of the adapter plate 2, a first O-shaped ring 3 is arranged on the right side of the adapter plate 2, a gear chamber 4 is arranged on the right side of the adapter plate 2, a second bolt 9 is arranged on the right side of the oil pump 1, the second, the oil pump 1 is provided with a third O-shaped sealing ring axially, the axial sealing of the connecting end of the oil pump 1 is ensured, the diameter of the gear of the oil pump 1 is larger than the diameter of the matching surface of the adapter plate 2 and the oil pump 1, the adapter plate 2 is firstly assembled on the oil pump 1, then the gear of the oil pump 1 is assembled, then the first O-shaped sealing ring 3 is arranged on the matching surface of the adapter plate 2 and the gear chamber 4, the oil port of a crude oil pump on the gear chamber 4 is sealed by a second O-shaped sealing ring 5, the adapter plate 2 is arranged on the gear chamber 4 by a second bolt 9, wherein the second bolt 9 is a long bolt and has four bolts, the oil pump passes through an oil pump flange and four first threaded holes 11 on the adapter plate 2 from the oil pump 1 side and is screwed on the gear chamber 4, the axial dimension of the adapter plate 2 and the oil pump 1 connecting side is matched with the axial dimension of the oil pump 1, the, the axial size of the connecting side of the gear chamber 4 is matched with the axial size of the gear chamber, a sealing groove 12 is provided with a second O-shaped sealing ring 5 for blocking an engine oil taking port reserved for a crude oil pump on the gear chamber 4, three through holes are used for fixing the adapter plate 2 and the gear chamber 4, the connecting side of the adapter plate and the gear chamber 4 is consistent with the existing XPI oil pump in installation and matching size, the connecting side of the oil pump 1 is positioned by the bolt installation hole position, the installation and matching size is matched with the oil pump, the sealing groove is designed at the same time, the sealing of the engine oil taking port of the crude oil pump on the gear chamber is realized by the second O-shaped sealing ring 5, and the quick matching with other oil pumps can be realized by changing the threaded hole position and the installation and matching size, the oil pump and the adapter plate on the oil pump connecting side are sealed, the gear chamber connecting side is sealed with the adapter plate, and the crude engine, the engine oil at the position is prevented from leaking, the fact that the gear of the oil pump can transmit torque to the oil pump is guaranteed, and the oil pump can pump oil normally.
Referring to fig. 3-4, the adapter plate 2 includes gear chamber bolt holes 10 arranged along the circumferential direction, the adapter plate 2 is further provided with first threaded holes 11 along the circumferential direction, the first threaded holes 11 and the gear chamber bolt holes 10 are arranged in a staggered manner, the bottom of the adapter plate 2 is provided with a sealing groove 12, the right side of the adapter plate 2 is provided with a first step 13, one side of the inner ring of the adapter plate 2 is provided with a gear chamber sealing shaft surface 14, the right side of the adapter plate 2 is provided with a curved surface 15, the other side of the inner ring of the adapter plate 2 is provided with an oil pump sealing shaft surface 17, the bottom of the adapter plate 2 is provided with a second step 18, the right side of the adapter plate 2 is provided with a third step 19, the right side of the adapter plate 2 is provided with a fourth step 20, the gear chamber bolt holes 10 are three, the number of the first threaded holes 11 is four, the sealing groove 12 is arranged at the oil, the first O-shaped sealing ring 3 is arranged on a sealing shaft surface 14 of the gear chamber to ensure the axial sealing of the adapter plate and the gear chamber, the first step 13 avoids the interference between the adapter plate and a sealing gasket of the gear chamber, the curved surface 15 avoids the interference between the adapter plate and the cylinder body, the curved surface and the sealing shaft surface 17 of the oil pump are provided with the O-shaped sealing ring, the mounting shaft surface of the oil pump is matched with the first step in the axial direction to ensure the axial sealing between the oil pump and the adapter plate, and the second step 18, the third step 19 and the fourth step 20 are convenient for the installation of bolts.
When using, with gear room 4 connected side, installation cooperation size is unanimous with current oil pump 1, with oil pump 1 connected side, through bolt mounting hole position, fix a position the installation angle of oil pump 1, installation cooperation size matches with the oil pump, the sealed recess of simultaneous design, realize getting the sealed of hydraulic fluid port to the last crude oil pump machine oil of gear room through O type sealing washer, and through change screw hole position and installation cooperation size, can realize matcing fast with other oil pumps, oil pump connection side seal oil pump and keysets, gear room connected side, sealed gear room and keysets, the hydraulic fluid port is got to the crude oil of simultaneous sealing, make this department's machine oil not leak, guarantee that oil pump gear can transmit the moment of torsion and give the oil pump, make the normal pump oil of oil pump.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an engine oil pump keysets switching structure, includes oil pump (1), its characterized in that: an adapter plate (2) is arranged on the right side of the oil pump (1), an oil pump support (8) is connected to the bottom of the oil pump (1), a nut (7) used for connection and fixation is arranged on the left side of the adapter plate (2), a first bolt (6) used for connection and fixation is further arranged on the left side of the adapter plate (2), a second O-shaped ring (5) is arranged on the right side of the adapter plate (2), a first O-shaped ring (3) is arranged on the right side of the adapter plate (2), a gear chamber (4) is arranged on the right side of the adapter plate (2), and a second bolt (9) is arranged on the right side of the oil pump;
the adapter plate (2) comprises gear chamber bolt holes (10) arranged along the circumferential direction, a first threaded hole (11) is also formed in the adapter plate (2) along the circumferential direction, the first threaded holes (11) and the gear chamber bolt holes (10) are arranged in a staggered manner, a sealing groove (12) is arranged at the bottom of the adapter plate (2), a first step (13) is arranged at the right side of the adapter plate (2), a gear chamber sealing shaft surface (14) is arranged on one side of the inner ring of the adapter plate (2), a curved surface (15) is arranged on the right side of the adapter plate (2), an oil pump sealing shaft surface (17) is arranged on the other side of the inner ring of the adapter plate (2), the improved structure is characterized in that a second step (18) is arranged at the bottom of the adapter plate (2), a third step (19) is arranged on the right side of the adapter plate (2), and a fourth step (20) is arranged on the right side of the adapter plate (2).
2. The engine oil pump adapter plate switching structure according to claim 1, wherein: the adapter plate (2) is made of gray cast iron and is machined after casting.
3. The engine oil pump adapter plate switching structure according to claim 1, wherein: the adapter plate (2) is connected with one surface, adjacent to the oil pump (1), through a first bolt (6).
4. The engine oil pump adapter plate switching structure according to claim 1, wherein: and a third O-shaped sealing ring is arranged on the outer ring of the shaft of the oil pump (1).
5. The engine oil pump adapter plate switching structure according to claim 1, wherein: the second bolt (9) is a long bolt.
6. The engine oil pump adapter plate switching structure according to claim 1, wherein: the gear chamber bolt holes (10) are three, and the first threaded holes (11) are four.
CN201922310665.3U 2019-12-20 2019-12-20 Engine oil pump keysets switching structure Expired - Fee Related CN211422815U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922310665.3U CN211422815U (en) 2019-12-20 2019-12-20 Engine oil pump keysets switching structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922310665.3U CN211422815U (en) 2019-12-20 2019-12-20 Engine oil pump keysets switching structure

Publications (1)

Publication Number Publication Date
CN211422815U true CN211422815U (en) 2020-09-04

Family

ID=72254628

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922310665.3U Expired - Fee Related CN211422815U (en) 2019-12-20 2019-12-20 Engine oil pump keysets switching structure

Country Status (1)

Country Link
CN (1) CN211422815U (en)

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200904